Weather Alerts for Los AngelesIssued by the National Weather Service |
HIGH WIND WARNING | ||
LOS ANGELES | ||
Areas Affected: Santa Clarita Valley - Ventura County Beaches - Ventura County Inland Coast - Central Ventura County Valleys - Malibu Coast - Western Santa Monica Mountains Recreational Area - Calabasas and Agoura Hills - Western San Fernando Valley - Eastern San Fernando Valley - Southeastern Ventura County Valleys - Santa Susana Mountains - Southern Ventura County Mountains - Northern Ventura County Mountains - Interstate 5 Corridor - Western San Gabriel Mountains and Highway 14 Corridor - Eastern San Gabriel Mountains - San Miguel and Santa Rosa Islands - Santa Cruz and Anacapa Islands |
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Effective: Mon, 1/20 10:46am | Updated: Mon, 1/20 11:55am | Urgency: Expected |
Expires: Tue, 1/21 2:00pm | Severity: Severe | Certainty: Likely |
Details:
* WHAT...***POWERFUL DAMAGING WINDS EXPECTED!*** For the mountains and foothills, northeast winds increasing to 35 to 50 mph with widespread damaging gusts of 60 to 80 mph expected. Isolated gusts 80 to 100 mph expected in most wind-prone mountain locations, such as the San Gabriels, Santa Susanas, western Santa Monicas, and southern Ventura mountains adjacent to the Highway 126 corridor. For the coasts and valleys, northeast to east winds increasing to 25 to 40 mph with damaging gusts of 50 to 70 mph, strongest along the Highway 118, 126, and 210 corridors. * WHERE...A portion of southwest California. * WHEN...Until 2 PM PST Tuesday. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel will be difficult, especially for high profile vehicles. Information: Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. |
HIGH SURF WARNING | ||
LOS ANGELES | ||
Areas Affected: Catalina and Santa Barbara Islands |
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Effective: Mon, 1/20 8:54am | Updated: Mon, 1/20 11:55am | Urgency: Expected |
Expires: Mon, 1/20 3:00pm | Severity: Moderate | Certainty: Likely |
Details:
* WHAT...For the High Surf Warning, very large and choppy breaking waves of 5 to 8 feet along east facing shores, with strong and dangerous rip currents. For the Coastal Flood Advisory, coastal flooding is possible and could become locally damaging. * WHERE...East facing beaches and harbors of Catalina and Santa Barbara Islands. * WHEN...Until 2 PM PST Tuesday. * IMPACTS...Strong wind-induced waves may bring shallow flooding along the beach areas as well as coastal walkways and roads like Crescent Avenue and Saint Catherine Way. Flooding of sea water is likely, around the time of high tide, over vulnerable low- lying coastal areas such as parking lots, beaches, and walkways. Powerful waves and strong rip currents will pose an exceptional risk of ocean drowning and damage to coastal structures like piers and jetties. Large breaking waves can cause injury, wash people off beaches and rocks, and capsize small boats near shore. Information: Take the necessary actions to protect flood-prone property. Do NOT drive around barricades or through water of unknown depth. Everyone should remain out of the water due to life-threatening surf conditions. Stay off of jetties, piers, and other water side infrastructure. |
FREEZE WARNING | ||
LOS ANGELES | ||
Areas Affected: Antelope Valley |
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Effective: Mon, 1/20 10:46am | Updated: Mon, 1/20 11:55am | Urgency: Expected |
Expires: Wed, 1/22 9:00am | Severity: Moderate | Certainty: Likely |
Details:
* WHAT...For the Wind Advisory, northeast winds 25 to 35 mph with gusts up to 55 mph, and locally damaging wind gusts to 65 mph. For the Freeze Warning, sub-freezing temperatures as low as 15 to 20 expected. For the Freeze Watch, sub-freezing temperatures as low as 15 to 20 possible. * WHERE...Antelope Valley. * WHEN...For the Wind Advisory, until 2 PM PST Tuesday. For the Freeze Warning, from 7 PM this evening to 9 AM PST Tuesday. For the Freeze Watch, from Tuesday evening through Wednesday morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Information: Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. |
RED FLAG WARNING | ||
LOS ANGELES | ||
Areas Affected: Santa Clarita Valley - Ventura County Beaches - Ventura County Inland Coast - Central Ventura County Valleys - Malibu Coast - Western Santa Monica Mountains Recreational Area - Calabasas and Agoura Hills - Western San Fernando Valley - Eastern San Fernando Valley - Southeastern Ventura County Valleys - Santa Susana Mountains - Southern Ventura County Mountains - Northern Ventura County Mountains - Interstate 5 Corridor - Western San Gabriel Mountains and Highway 14 Corridor - Eastern San Gabriel Mountains |
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Effective: Mon, 1/20 9:57am | Updated: Mon, 1/20 11:55am | Urgency: Expected |
Expires: Tue, 1/21 9:30am | Severity: Severe | Certainty: Likely |
Details:
***THIS IS A PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG WARNING FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES!*** ***POWERFUL DAMAGING WINDS EXPECTED!*** ...PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG WARNING IN EFFECT NOON TODAY UNTIL 10 AM TUESDAY DUE TO DAMAGING SANTA ANA WINDS AND VERY LOW HUMIDITIES FOR THE FOLLOWING AREAS: SANTA CLARITA VALLEY / VENTURA COUNTY BEACHES / VENTURA COUNTY INLAND COAST / CENTRAL VENTURA COUNTY VALLEYS / MALIBU COAST FOR MALIBU AND POINTS WEST / WESTERN SANTA MONICA MOUNTAINS / CALABASAS AND AGOURA HILLS / WESTERN SAN FERNANDO VALLEY FOR RESEDA AND POINTS NORTH / EASTERN SAN FERNANDO VALLEY FOR BURBANK AND POINTS NORTH / SOUTHEASTERN VENTURA COUNTY VALLEYS / SANTA SUSANA MOUNTAINS / VENTURA COUNTY MOUNTAINS / INTERSTATE 5 CORRIDOR / SAN GABRIEL MOUNTAINS AND HIGHWAY 14 CORRIDOR / SAN GABRIEL VALLEY ALONG AND NORTH OF HIGHWAY 210 INCLUDING ALTADENA AND GLENDORA -- AND RED FLAG WARNING DUE TO STRONG SANTA ANA WINDS AND LOW HUMIDITIES FOR ALL OTHER TIMES 8 AM MONDAY UNTIL 10 PM TUESDAY IN THESE SAME AREAS AND ALSO FOR REMAINING PORTIONS OF THESE ZONES OUTSIDE OF THE PDS-DESIGNATED AREAS... ...RED FLAG WARNING IN EFFECT UNTIL 2 PM PST TUESDAY FOR STRONG SANTA ANA WINDS AND LOW RELATIVE HUMIDITY FOR EASTERN SANTA MONICA MOUNTAINS / CATALINA AND SANTA BARBARA ISLANDS / PALOS VERDES HILLS / ANTELOPE VALLEY FOOTHILLS / SAN MIGUEL AND SANTA ROSE ISLANDS / SANTA CRUZ AND ANACAPA ISLANDS... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH THURSDAY EVENING FOR GUSTY SANTA ANA WINDS AND VERY LOW RELATIVE HUMIDITY FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES... .Very strong Santa Ana winds are developing today and peaking this afternoon into Tuesday morning. Humidities will drastically lower to the single digits. Along with the extremely dry fuels, this will create Extremely Critical fire-weather conditions and rapid fire spread with any fires. Thereafter, with dry conditions lasting through at least Thursday, and additional rounds of enhanced offshore flow likely Wednesday night through Thursday. For this reason a Fire Weather Watch is in effect Tuesday night through Thursday. ***THIS IS A PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG WARNING FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES!*** ***POWERFUL DAMAGING WINDS EXPECTED!*** ...PARTICULARLY DANGEROUS SITUATION (PDS) RED LAG WARNING IN EFFECT NOON MONDAY UNTIL 10 AM TUESDAY DUE TO DAMAGING SANTA ANA WINDS AND VERY LOW HUMIDITIES FOR THE FOLLOWING AREAS: SANTA CLARITA VALLEY / VENTURA COUNTY BEACHES / VENTURA COUNTY INLAND COAST / CENTRAL VENTURA COUNTY VALLEYS / MALIBU COAST FOR MALIBU AND POINTS WEST / WESTERN SANTA MONICA MOUNTAINS / CALABASAS AND AGOURA HILLS / WESTERN SAN FERNANDO VALLEY FOR RESEDA AND POINTS NORTH / EASTERN SAN FERNANDO VALLEY FOR BURBANK AND POINTS NORTH / SOUTHEASTERN VENTURA COUNTY VALLEYS / SANTA SUSANA MOUNTAINS / VENTURA COUNTY MOUNTAINS / INTERSTATE 5 CORRIDOR / SAN GABRIEL MOUNTAINS AND HIGHWAY 14 CORRIDOR / SAN GABRIEL VALLEY ALONG AND NORTH OF HIGHWAY 210 INCLUDING ALTADENA AND GLENDORA -- AND RED FLAG WARNING DUE TO STRONG SANTA ANA WINDS AND LOW HUMIDITIES FOR ALL OTHER TIMES UNTIL 10 PM TUESDAY IN THESE SAME AREAS AND ALSO FOR REMAINING PORTIONS OF THESE ZONES OUTSIDE OF THE PDS-DESIGNATED AREAS... ...RED FLAG WARNING IN EFFECT UNTIL 2 PM PST TUESDAY FOR STRONG SANTA ANA WINDS AND LOW RELATIVE HUMIDITY FOR EASTERN SANTA MONICA MOUNTAINS / CATALINA AND SANTA BARBARA ISLANDS / PALOS VERDES HILLS / ANTELOPE VALLEY FOOTHILLS / SAN MIGUEL AND SANTA ROSE ISLANDS / SANTA CRUZ AND ANACAPA ISLANDS... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH THURSDAY EVENING FOR GUSTY SANTA ANA WINDS AND VERY LOW RELATIVE HUMIDITY FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES... * WINDS...For the PDS RED FLAG WARNING -- ***POWERFUL DAMAGING WINDS EXPECTED!*** For the mountains and foothills, northeast winds increasing to 35 to 50 mph with widespread damaging gusts of 60 to 80 mph expected. Isolated gusts 80 to 100 mph expected in most wind-prone mountain locations, such as the San Gabriels, Santa Susanas, western Santa Monicas, and southern Ventura mountains adjacent to the Highway 126 corridor. For the coasts and valleys, northeast to east winds increasing to 25 to 40 mph with damaging gusts of 50 to 70 mph, strongest along the Highway 118, 126, and 210 corridors. * RELATIVE HUMIDITY...Daily minimums of 5 to 15 percent with very poor overnight recoveries. * IMPACTS...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid fire growth, which would threaten life and property. Information: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. Use extreme caution with anything that can spark a wildfire. Residents near wildland interfaces should be prepared to evacuate if a wildfire breaks out. See readyforwildfire.org and wildfirerisk.org for information. A Fire Weather Watch means that critical fire weather conditions are likely to occur in the coming days. Residents near wildland interfaces should prepare now on what to do if a wildfire breaks out. See readyforwildfire.org and wildfirerisk.org for information. |
RED FLAG WARNING | ||
LOS ANGELES | ||
Areas Affected: Los Angeles County San Gabriel Valley |
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Effective: Mon, 1/20 9:57am | Updated: Mon, 1/20 11:55am | Urgency: Expected |
Expires: Tue, 1/21 9:30am | Severity: Severe | Certainty: Likely |
Details:
***THIS IS A PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG WARNING FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES!*** ***POWERFUL DAMAGING WINDS EXPECTED!*** ...PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG WARNING IN EFFECT NOON TODAY UNTIL 10 AM TUESDAY DUE TO DAMAGING SANTA ANA WINDS AND VERY LOW HUMIDITIES FOR THE FOLLOWING AREAS: SANTA CLARITA VALLEY / VENTURA COUNTY BEACHES / VENTURA COUNTY INLAND COAST / CENTRAL VENTURA COUNTY VALLEYS / MALIBU COAST FOR MALIBU AND POINTS WEST / WESTERN SANTA MONICA MOUNTAINS / CALABASAS AND AGOURA HILLS / WESTERN SAN FERNANDO VALLEY FOR RESEDA AND POINTS NORTH / EASTERN SAN FERNANDO VALLEY FOR BURBANK AND POINTS NORTH / SOUTHEASTERN VENTURA COUNTY VALLEYS / SANTA SUSANA MOUNTAINS / VENTURA COUNTY MOUNTAINS / INTERSTATE 5 CORRIDOR / SAN GABRIEL MOUNTAINS AND HIGHWAY 14 CORRIDOR / SAN GABRIEL VALLEY ALONG AND NORTH OF HIGHWAY 210 INCLUDING ALTADENA AND GLENDORA -- AND RED FLAG WARNING DUE TO STRONG SANTA ANA WINDS AND LOW HUMIDITIES FOR ALL OTHER TIMES 8 AM MONDAY UNTIL 10 PM TUESDAY IN THESE SAME AREAS AND ALSO FOR REMAINING PORTIONS OF THESE ZONES OUTSIDE OF THE PDS-DESIGNATED AREAS... ...RED FLAG WARNING IN EFFECT UNTIL 2 PM PST TUESDAY FOR STRONG SANTA ANA WINDS AND LOW RELATIVE HUMIDITY FOR EASTERN SANTA MONICA MOUNTAINS / CATALINA AND SANTA BARBARA ISLANDS / PALOS VERDES HILLS / ANTELOPE VALLEY FOOTHILLS / SAN MIGUEL AND SANTA ROSE ISLANDS / SANTA CRUZ AND ANACAPA ISLANDS... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH THURSDAY EVENING FOR GUSTY SANTA ANA WINDS AND VERY LOW RELATIVE HUMIDITY FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES... .Very strong Santa Ana winds are developing today and peaking this afternoon into Tuesday morning. Humidities will drastically lower to the single digits. Along with the extremely dry fuels, this will create Extremely Critical fire-weather conditions and rapid fire spread with any fires. Thereafter, with dry conditions lasting through at least Thursday, and additional rounds of enhanced offshore flow likely Wednesday night through Thursday. For this reason a Fire Weather Watch is in effect Tuesday night through Thursday. * WINDS...Northeast winds 25 to 35 mph with gusts up to 45 to 55 mph expected. Locally damaging wind gusts to 65 mph along and north of Highway 210 from Altadena to Glendora -in the PDS RED FLAG WARNING AREA. * RELATIVE HUMIDITY...Minimum 5 to 10 percent. * IMPACTS...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid fire growth, which would threaten life and property. Information: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. Use extreme caution with anything that can spark a wildfire. Residents near wildland interfaces should be prepared to evacuate if a wildfire breaks out. See readyforwildfire.org and wildfirerisk.org for information. |
RED FLAG WARNING | ||
LOS ANGELES | ||
Areas Affected: Catalina and Santa Barbara Islands - Palos Verdes Hills - Western Antelope Valley Foothills - Eastern Antelope Valley Foothills - San Miguel and Santa Rosa Islands - Santa Cruz and Anacapa Islands |
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Effective: Mon, 1/20 9:57am | Updated: Mon, 1/20 11:55am | Urgency: Expected |
Expires: Tue, 1/21 9:30am | Severity: Severe | Certainty: Likely |
Details:
***THIS IS A PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG WARNING FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES!*** ***POWERFUL DAMAGING WINDS EXPECTED!*** ...PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG WARNING IN EFFECT NOON TODAY UNTIL 10 AM TUESDAY DUE TO DAMAGING SANTA ANA WINDS AND VERY LOW HUMIDITIES FOR THE FOLLOWING AREAS: SANTA CLARITA VALLEY / VENTURA COUNTY BEACHES / VENTURA COUNTY INLAND COAST / CENTRAL VENTURA COUNTY VALLEYS / MALIBU COAST FOR MALIBU AND POINTS WEST / WESTERN SANTA MONICA MOUNTAINS / CALABASAS AND AGOURA HILLS / WESTERN SAN FERNANDO VALLEY FOR RESEDA AND POINTS NORTH / EASTERN SAN FERNANDO VALLEY FOR BURBANK AND POINTS NORTH / SOUTHEASTERN VENTURA COUNTY VALLEYS / SANTA SUSANA MOUNTAINS / VENTURA COUNTY MOUNTAINS / INTERSTATE 5 CORRIDOR / SAN GABRIEL MOUNTAINS AND HIGHWAY 14 CORRIDOR / SAN GABRIEL VALLEY ALONG AND NORTH OF HIGHWAY 210 INCLUDING ALTADENA AND GLENDORA -- AND RED FLAG WARNING DUE TO STRONG SANTA ANA WINDS AND LOW HUMIDITIES FOR ALL OTHER TIMES 8 AM MONDAY UNTIL 10 PM TUESDAY IN THESE SAME AREAS AND ALSO FOR REMAINING PORTIONS OF THESE ZONES OUTSIDE OF THE PDS-DESIGNATED AREAS... ...RED FLAG WARNING IN EFFECT UNTIL 2 PM PST TUESDAY FOR STRONG SANTA ANA WINDS AND LOW RELATIVE HUMIDITY FOR EASTERN SANTA MONICA MOUNTAINS / CATALINA AND SANTA BARBARA ISLANDS / PALOS VERDES HILLS / ANTELOPE VALLEY FOOTHILLS / SAN MIGUEL AND SANTA ROSE ISLANDS / SANTA CRUZ AND ANACAPA ISLANDS... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH THURSDAY EVENING FOR GUSTY SANTA ANA WINDS AND VERY LOW RELATIVE HUMIDITY FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES... .Very strong Santa Ana winds are developing today and peaking this afternoon into Tuesday morning. Humidities will drastically lower to the single digits. Along with the extremely dry fuels, this will create Extremely Critical fire-weather conditions and rapid fire spread with any fires. Thereafter, with dry conditions lasting through at least Thursday, and additional rounds of enhanced offshore flow likely Wednesday night through Thursday. For this reason a Fire Weather Watch is in effect Tuesday night through Thursday. * WINDS...Northeast winds 25 to 35 mph with gusts up to 45 to 55 mph expected. Locally damaging wind gusts to 65 mph across the Antelope Valley Foothills, in addition to the Channel Islands. * RELATIVE HUMIDITY...Daily minimums of 5 to 15 percent with very poor overnight recoveries. * IMPACTS...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid fire growth, which would threaten life and property. Information: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. Use extreme caution with anything that can spark a wildfire. Residents near wildland interfaces should be prepared to evacuate if a wildfire breaks out. See readyforwildfire.org and wildfirerisk.org for information. |
RED FLAG WARNING | ||
LOS ANGELES | ||
Areas Affected: Eastern Santa Monica Mountains Recreational Area |
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Effective: Mon, 1/20 9:57am | Updated: Mon, 1/20 11:55am | Urgency: Expected |
Expires: Tue, 1/21 9:30am | Severity: Severe | Certainty: Likely |
Details:
***THIS IS A PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG WARNING FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES!*** ***POWERFUL DAMAGING WINDS EXPECTED!*** ...PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG WARNING IN EFFECT NOON TODAY UNTIL 10 AM TUESDAY DUE TO DAMAGING SANTA ANA WINDS AND VERY LOW HUMIDITIES FOR THE FOLLOWING AREAS: SANTA CLARITA VALLEY / VENTURA COUNTY BEACHES / VENTURA COUNTY INLAND COAST / CENTRAL VENTURA COUNTY VALLEYS / MALIBU COAST FOR MALIBU AND POINTS WEST / WESTERN SANTA MONICA MOUNTAINS / CALABASAS AND AGOURA HILLS / WESTERN SAN FERNANDO VALLEY FOR RESEDA AND POINTS NORTH / EASTERN SAN FERNANDO VALLEY FOR BURBANK AND POINTS NORTH / SOUTHEASTERN VENTURA COUNTY VALLEYS / SANTA SUSANA MOUNTAINS / VENTURA COUNTY MOUNTAINS / INTERSTATE 5 CORRIDOR / SAN GABRIEL MOUNTAINS AND HIGHWAY 14 CORRIDOR / SAN GABRIEL VALLEY ALONG AND NORTH OF HIGHWAY 210 INCLUDING ALTADENA AND GLENDORA -- AND RED FLAG WARNING DUE TO STRONG SANTA ANA WINDS AND LOW HUMIDITIES FOR ALL OTHER TIMES 8 AM MONDAY UNTIL 10 PM TUESDAY IN THESE SAME AREAS AND ALSO FOR REMAINING PORTIONS OF THESE ZONES OUTSIDE OF THE PDS-DESIGNATED AREAS... ...RED FLAG WARNING IN EFFECT UNTIL 2 PM PST TUESDAY FOR STRONG SANTA ANA WINDS AND LOW RELATIVE HUMIDITY FOR EASTERN SANTA MONICA MOUNTAINS / CATALINA AND SANTA BARBARA ISLANDS / PALOS VERDES HILLS / ANTELOPE VALLEY FOOTHILLS / SAN MIGUEL AND SANTA ROSE ISLANDS / SANTA CRUZ AND ANACAPA ISLANDS... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH THURSDAY EVENING FOR GUSTY SANTA ANA WINDS AND VERY LOW RELATIVE HUMIDITY FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES... .Very strong Santa Ana winds are developing today and peaking this afternoon into Tuesday morning. Humidities will drastically lower to the single digits. Along with the extremely dry fuels, this will create Extremely Critical fire-weather conditions and rapid fire spread with any fires. Thereafter, with dry conditions lasting through at least Thursday, and additional rounds of enhanced offshore flow likely Wednesday night through Thursday. For this reason a Fire Weather Watch is in effect Tuesday night through Thursday. ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH THURSDAY EVENING FOR GUSTY SANTA ANA WINDS AND VERY LOW RELATIVE HUMIDITY FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES... * WINDS...For the RED FLAG WARNING -Northeast winds 25 to 35 mph with gusts up to 45 to 55 mph expected Monday through Tuesday afternoon. * RELATIVE HUMIDITY...Daily minimums of 5 to 15 percent with very poor overnight recoveries. * IMPACTS...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid fire growth, which would threaten life and property. Information: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. Use extreme caution with anything that can spark a wildfire. Residents near wildland interfaces should be prepared to evacuate if a wildfire breaks out. See readyforwildfire.org and wildfirerisk.org for information. A Fire Weather Watch means that critical fire weather conditions are likely to occur in the coming days. Residents near wildland interfaces should prepare now on what to do if a wildfire breaks out. See readyforwildfire.org and wildfirerisk.org for information. |
COASTAL FLOOD ADVISORY | ||
LOS ANGELES | ||
Areas Affected: Catalina and Santa Barbara Islands |
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Effective: Mon, 1/20 8:54am | Updated: Mon, 1/20 11:55am | Urgency: Expected |
Expires: Mon, 1/20 3:00pm | Severity: Minor | Certainty: Likely |
Details:
* WHAT...For the High Surf Warning, very large and choppy breaking waves of 5 to 8 feet along east facing shores, with strong and dangerous rip currents. For the Coastal Flood Advisory, coastal flooding is possible and could become locally damaging. * WHERE...East facing beaches and harbors of Catalina and Santa Barbara Islands. * WHEN...Until 2 PM PST Tuesday. * IMPACTS...Strong wind-induced waves may bring shallow flooding along the beach areas as well as coastal walkways and roads like Crescent Avenue and Saint Catherine Way. Flooding of sea water is likely, around the time of high tide, over vulnerable low- lying coastal areas such as parking lots, beaches, and walkways. Powerful waves and strong rip currents will pose an exceptional risk of ocean drowning and damage to coastal structures like piers and jetties. Large breaking waves can cause injury, wash people off beaches and rocks, and capsize small boats near shore. Information: Take the necessary actions to protect flood-prone property. Do NOT drive around barricades or through water of unknown depth. Everyone should remain out of the water due to life-threatening surf conditions. Stay off of jetties, piers, and other water side infrastructure. |
WIND ADVISORY | ||
LOS ANGELES | ||
Areas Affected: Antelope Valley |
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Effective: Mon, 1/20 10:46am | Updated: Mon, 1/20 11:55am | Urgency: Expected |
Expires: Wed, 1/22 9:00am | Severity: Moderate | Certainty: Likely |
Details:
* WHAT...For the Wind Advisory, northeast winds 25 to 35 mph with gusts up to 55 mph, and locally damaging wind gusts to 65 mph. For the Freeze Warning, sub-freezing temperatures as low as 15 to 20 expected. For the Freeze Watch, sub-freezing temperatures as low as 15 to 20 possible. * WHERE...Antelope Valley. * WHEN...For the Wind Advisory, until 2 PM PST Tuesday. For the Freeze Warning, from 7 PM this evening to 9 AM PST Tuesday. For the Freeze Watch, from Tuesday evening through Wednesday morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Information: Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. |
WIND ADVISORY | ||
LOS ANGELES | ||
Areas Affected: Catalina and Santa Barbara Islands - Palos Verdes Hills - Eastern Santa Monica Mountains Recreational Area - Western Antelope Valley Foothills - Eastern Antelope Valley Foothills - Los Angeles County San Gabriel Valley |
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Effective: Mon, 1/20 10:46am | Updated: Mon, 1/20 11:55am | Urgency: Expected |
Expires: Tue, 1/21 2:00pm | Severity: Moderate | Certainty: Likely |
Details:
* WHAT...Northeast winds 25 to 35 mph with gusts of 45 to 55 mph expected. Locally damaging wind gusts to 65 mph along and north of Highway 210 from Altadena to Glendora, and also across the Antelope Valley and Antelope Valley Foothills. * WHERE...Catalina and Santa Barbara Islands, Eastern Antelope Valley Foothills, Eastern Santa Monica Mountains Recreational Area, Los Angeles County San Gabriel Valley, Palos Verdes Hills, and Western Antelope Valley Foothills. * WHEN...Until 2 PM PST Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Information: Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. |
FREEZE WATCH | ||
LOS ANGELES | ||
Areas Affected: Antelope Valley |
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Effective: Mon, 1/20 10:46am | Updated: Mon, 1/20 11:55am | Urgency: Future |
Expires: Wed, 1/22 9:00am | Severity: Severe | Certainty: Possible |
Details:
* WHAT...For the Wind Advisory, northeast winds 25 to 35 mph with gusts up to 55 mph, and locally damaging wind gusts to 65 mph. For the Freeze Warning, sub-freezing temperatures as low as 15 to 20 expected. For the Freeze Watch, sub-freezing temperatures as low as 15 to 20 possible. * WHERE...Antelope Valley. * WHEN...For the Wind Advisory, until 2 PM PST Tuesday. For the Freeze Warning, from 7 PM this evening to 9 AM PST Tuesday. For the Freeze Watch, from Tuesday evening through Wednesday morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Information: Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. |
FIRE WEATHER WATCH | ||
LOS ANGELES | ||
Areas Affected: Santa Clarita Valley - Ventura County Beaches - Ventura County Inland Coast - Central Ventura County Valleys - Malibu Coast - Western Santa Monica Mountains Recreational Area - Calabasas and Agoura Hills - Western San Fernando Valley - Eastern San Fernando Valley - Southeastern Ventura County Valleys - Santa Susana Mountains - Southern Ventura County Mountains - Northern Ventura County Mountains - Interstate 5 Corridor - Western San Gabriel Mountains and Highway 14 Corridor - Eastern San Gabriel Mountains |
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Effective: Mon, 1/20 9:57am | Updated: Mon, 1/20 11:55am | Urgency: Future |
Expires: Tue, 1/21 9:30am | Severity: Severe | Certainty: Possible |
Details:
***THIS IS A PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG WARNING FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES!*** ***POWERFUL DAMAGING WINDS EXPECTED!*** ...PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG WARNING IN EFFECT NOON TODAY UNTIL 10 AM TUESDAY DUE TO DAMAGING SANTA ANA WINDS AND VERY LOW HUMIDITIES FOR THE FOLLOWING AREAS: SANTA CLARITA VALLEY / VENTURA COUNTY BEACHES / VENTURA COUNTY INLAND COAST / CENTRAL VENTURA COUNTY VALLEYS / MALIBU COAST FOR MALIBU AND POINTS WEST / WESTERN SANTA MONICA MOUNTAINS / CALABASAS AND AGOURA HILLS / WESTERN SAN FERNANDO VALLEY FOR RESEDA AND POINTS NORTH / EASTERN SAN FERNANDO VALLEY FOR BURBANK AND POINTS NORTH / SOUTHEASTERN VENTURA COUNTY VALLEYS / SANTA SUSANA MOUNTAINS / VENTURA COUNTY MOUNTAINS / INTERSTATE 5 CORRIDOR / SAN GABRIEL MOUNTAINS AND HIGHWAY 14 CORRIDOR / SAN GABRIEL VALLEY ALONG AND NORTH OF HIGHWAY 210 INCLUDING ALTADENA AND GLENDORA -- AND RED FLAG WARNING DUE TO STRONG SANTA ANA WINDS AND LOW HUMIDITIES FOR ALL OTHER TIMES 8 AM MONDAY UNTIL 10 PM TUESDAY IN THESE SAME AREAS AND ALSO FOR REMAINING PORTIONS OF THESE ZONES OUTSIDE OF THE PDS-DESIGNATED AREAS... ...RED FLAG WARNING IN EFFECT UNTIL 2 PM PST TUESDAY FOR STRONG SANTA ANA WINDS AND LOW RELATIVE HUMIDITY FOR EASTERN SANTA MONICA MOUNTAINS / CATALINA AND SANTA BARBARA ISLANDS / PALOS VERDES HILLS / ANTELOPE VALLEY FOOTHILLS / SAN MIGUEL AND SANTA ROSE ISLANDS / SANTA CRUZ AND ANACAPA ISLANDS... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH THURSDAY EVENING FOR GUSTY SANTA ANA WINDS AND VERY LOW RELATIVE HUMIDITY FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES... .Very strong Santa Ana winds are developing today and peaking this afternoon into Tuesday morning. Humidities will drastically lower to the single digits. Along with the extremely dry fuels, this will create Extremely Critical fire-weather conditions and rapid fire spread with any fires. Thereafter, with dry conditions lasting through at least Thursday, and additional rounds of enhanced offshore flow likely Wednesday night through Thursday. For this reason a Fire Weather Watch is in effect Tuesday night through Thursday. ***THIS IS A PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG WARNING FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES!*** ***POWERFUL DAMAGING WINDS EXPECTED!*** ...PARTICULARLY DANGEROUS SITUATION (PDS) RED LAG WARNING IN EFFECT NOON MONDAY UNTIL 10 AM TUESDAY DUE TO DAMAGING SANTA ANA WINDS AND VERY LOW HUMIDITIES FOR THE FOLLOWING AREAS: SANTA CLARITA VALLEY / VENTURA COUNTY BEACHES / VENTURA COUNTY INLAND COAST / CENTRAL VENTURA COUNTY VALLEYS / MALIBU COAST FOR MALIBU AND POINTS WEST / WESTERN SANTA MONICA MOUNTAINS / CALABASAS AND AGOURA HILLS / WESTERN SAN FERNANDO VALLEY FOR RESEDA AND POINTS NORTH / EASTERN SAN FERNANDO VALLEY FOR BURBANK AND POINTS NORTH / SOUTHEASTERN VENTURA COUNTY VALLEYS / SANTA SUSANA MOUNTAINS / VENTURA COUNTY MOUNTAINS / INTERSTATE 5 CORRIDOR / SAN GABRIEL MOUNTAINS AND HIGHWAY 14 CORRIDOR / SAN GABRIEL VALLEY ALONG AND NORTH OF HIGHWAY 210 INCLUDING ALTADENA AND GLENDORA -- AND RED FLAG WARNING DUE TO STRONG SANTA ANA WINDS AND LOW HUMIDITIES FOR ALL OTHER TIMES UNTIL 10 PM TUESDAY IN THESE SAME AREAS AND ALSO FOR REMAINING PORTIONS OF THESE ZONES OUTSIDE OF THE PDS-DESIGNATED AREAS... ...RED FLAG WARNING IN EFFECT UNTIL 2 PM PST TUESDAY FOR STRONG SANTA ANA WINDS AND LOW RELATIVE HUMIDITY FOR EASTERN SANTA MONICA MOUNTAINS / CATALINA AND SANTA BARBARA ISLANDS / PALOS VERDES HILLS / ANTELOPE VALLEY FOOTHILLS / SAN MIGUEL AND SANTA ROSE ISLANDS / SANTA CRUZ AND ANACAPA ISLANDS... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH THURSDAY EVENING FOR GUSTY SANTA ANA WINDS AND VERY LOW RELATIVE HUMIDITY FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES... * WINDS...For the PDS RED FLAG WARNING -- ***POWERFUL DAMAGING WINDS EXPECTED!*** For the mountains and foothills, northeast winds increasing to 35 to 50 mph with widespread damaging gusts of 60 to 80 mph expected. Isolated gusts 80 to 100 mph expected in most wind-prone mountain locations, such as the San Gabriels, Santa Susanas, western Santa Monicas, and southern Ventura mountains adjacent to the Highway 126 corridor. For the coasts and valleys, northeast to east winds increasing to 25 to 40 mph with damaging gusts of 50 to 70 mph, strongest along the Highway 118, 126, and 210 corridors. * RELATIVE HUMIDITY...Daily minimums of 5 to 15 percent with very poor overnight recoveries. * IMPACTS...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid fire growth, which would threaten life and property. Information: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. Use extreme caution with anything that can spark a wildfire. Residents near wildland interfaces should be prepared to evacuate if a wildfire breaks out. See readyforwildfire.org and wildfirerisk.org for information. A Fire Weather Watch means that critical fire weather conditions are likely to occur in the coming days. Residents near wildland interfaces should prepare now on what to do if a wildfire breaks out. See readyforwildfire.org and wildfirerisk.org for information. |
FIRE WEATHER WATCH | ||
LOS ANGELES | ||
Areas Affected: Eastern Santa Monica Mountains Recreational Area |
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Effective: Mon, 1/20 9:57am | Updated: Mon, 1/20 11:55am | Urgency: Future |
Expires: Tue, 1/21 9:30am | Severity: Severe | Certainty: Possible |
Details:
***THIS IS A PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG WARNING FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES!*** ***POWERFUL DAMAGING WINDS EXPECTED!*** ...PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG WARNING IN EFFECT NOON TODAY UNTIL 10 AM TUESDAY DUE TO DAMAGING SANTA ANA WINDS AND VERY LOW HUMIDITIES FOR THE FOLLOWING AREAS: SANTA CLARITA VALLEY / VENTURA COUNTY BEACHES / VENTURA COUNTY INLAND COAST / CENTRAL VENTURA COUNTY VALLEYS / MALIBU COAST FOR MALIBU AND POINTS WEST / WESTERN SANTA MONICA MOUNTAINS / CALABASAS AND AGOURA HILLS / WESTERN SAN FERNANDO VALLEY FOR RESEDA AND POINTS NORTH / EASTERN SAN FERNANDO VALLEY FOR BURBANK AND POINTS NORTH / SOUTHEASTERN VENTURA COUNTY VALLEYS / SANTA SUSANA MOUNTAINS / VENTURA COUNTY MOUNTAINS / INTERSTATE 5 CORRIDOR / SAN GABRIEL MOUNTAINS AND HIGHWAY 14 CORRIDOR / SAN GABRIEL VALLEY ALONG AND NORTH OF HIGHWAY 210 INCLUDING ALTADENA AND GLENDORA -- AND RED FLAG WARNING DUE TO STRONG SANTA ANA WINDS AND LOW HUMIDITIES FOR ALL OTHER TIMES 8 AM MONDAY UNTIL 10 PM TUESDAY IN THESE SAME AREAS AND ALSO FOR REMAINING PORTIONS OF THESE ZONES OUTSIDE OF THE PDS-DESIGNATED AREAS... ...RED FLAG WARNING IN EFFECT UNTIL 2 PM PST TUESDAY FOR STRONG SANTA ANA WINDS AND LOW RELATIVE HUMIDITY FOR EASTERN SANTA MONICA MOUNTAINS / CATALINA AND SANTA BARBARA ISLANDS / PALOS VERDES HILLS / ANTELOPE VALLEY FOOTHILLS / SAN MIGUEL AND SANTA ROSE ISLANDS / SANTA CRUZ AND ANACAPA ISLANDS... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH THURSDAY EVENING FOR GUSTY SANTA ANA WINDS AND VERY LOW RELATIVE HUMIDITY FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES... .Very strong Santa Ana winds are developing today and peaking this afternoon into Tuesday morning. Humidities will drastically lower to the single digits. Along with the extremely dry fuels, this will create Extremely Critical fire-weather conditions and rapid fire spread with any fires. Thereafter, with dry conditions lasting through at least Thursday, and additional rounds of enhanced offshore flow likely Wednesday night through Thursday. For this reason a Fire Weather Watch is in effect Tuesday night through Thursday. ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH THURSDAY EVENING FOR GUSTY SANTA ANA WINDS AND VERY LOW RELATIVE HUMIDITY FOR A LARGE PORTION OF LOS ANGELES AND VENTURA COUNTIES... * WINDS...For the RED FLAG WARNING -Northeast winds 25 to 35 mph with gusts up to 45 to 55 mph expected Monday through Tuesday afternoon. * RELATIVE HUMIDITY...Daily minimums of 5 to 15 percent with very poor overnight recoveries. * IMPACTS...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid fire growth, which would threaten life and property. Information: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. Use extreme caution with anything that can spark a wildfire. Residents near wildland interfaces should be prepared to evacuate if a wildfire breaks out. See readyforwildfire.org and wildfirerisk.org for information. A Fire Weather Watch means that critical fire weather conditions are likely to occur in the coming days. Residents near wildland interfaces should prepare now on what to do if a wildfire breaks out. See readyforwildfire.org and wildfirerisk.org for information. |
AIR QUALITY ALERT | ||
LOS ANGELES | ||
Areas Affected: Santa Clarita Valley - Malibu Coast - Los Angeles County Beaches - Palos Verdes Hills - Los Angeles County Inland Coast including Downtown Los Angeles - Western Santa Monica Mountains Recreational Area - Eastern Santa Monica Mountains Recreational Area - Calabasas and Agoura Hills - Western San Fernando Valley - Eastern San Fernando Valley - Santa Susana Mountains - Interstate 5 Corridor - Western San Gabriel Mountains and Highway 14 Corridor - Eastern San Gabriel Mountains - Los Angeles County San Gabriel Valley |
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Effective: Sun, 1/19 9:33pm | Updated: Mon, 1/20 11:55am | Urgency: Unknown |
Expires: Mon, 1/20 9:45pm | Severity: Unknown | Certainty: Unknown |
Details:
* WHAT...The South Coast AQMD has issued an air quality alert due to harmful levels of windblown dust and ash. * WHERE...in the South Coast Air Basin. Pollution levels can vary by time and location depending on emissions and local weather conditions. * WHEN...10 AM Monday through 10 PM Tuesday. * IMPACTS...Particle pollution can get deep into the lungs and cause serious health problems such as asthma attacks, heart and lung disease symptoms, and increased risk of respiratory infections. Everyone can be affected, but sensitive groups such as people with lung or heart disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk. Information: To protect your health, in areas affected by windblown dust and ash: * Avoid outdoor activity * Keep windows and doors closed * Run your air conditioner and/or an air purifier * Do not use whole house fans or swamp coolers that bring in outside air if you have other methods to stay cool * Avoid other sources of pollution such as fireplaces, candles, incense, grilling, and gasoline-powered lawn and garden equipment * ADDITIONAL DETAILS... Cleaning up ash can be harmful for your health. See California Department of Public Health Guidelines for the safe cleanup of ash at https://www.cdph.ca.gov/Programs/EPO/Pages/Wildfire%20Pages/Safe- Cleanup-of-Ash.aspx. To view current and forecasted air quality levels, visit the South Coast Air Quality Management District website at aqmd.gov or download the mobile app at www.aqmd.gov/mobileapp. Additional details for this air quality alert may be available at www.aqmd.gov/advisory. To view current and forecasted air quality levels, visit the antelope Valley Air Quality Management District website at www.avaqmd.ca.gov. |
AIR QUALITY ALERT | ||
LOS ANGELES | ||
Areas Affected: Calabasas and Agoura Hills - Eastern San Fernando Valley - Eastern San Gabriel Mountains - Eastern Santa Monica Mountains Recreational Area - Interstate 5 Corridor - Los Angeles County Beaches - Los Angeles County San Gabriel Valley - Malibu Coast - Palos Verdes Hills - Santa Clarita Valley - Santa Susana Mountains - Western San Fernando Valley - Western San Gabriel Mountains and Highway 14 Corridor - Western Santa Monica Mountains Recreational Area |
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Effective: Sun, 1/19 4:25pm | Updated: Mon, 1/20 11:55am | Urgency: Unknown |
Expires: Tue, 1/21 10:00pm | Severity: Unknown | Certainty: Unknown |
Details:
* WHAT...The South Coast AQMD has issued an air quality alert due to harmful levels of windblown dust and ash. * WHERE...in the South Coast Air Basin, Coachella Valley, and eastern Riverside County. Pollution levels can vary by time and location depending on emissions and local weather conditions. * WHEN...10 AM Monday through 10 PM Tuesday. * IMPACTS...Particle pollution can get deep into the lungs and cause serious health problems such as asthma attacks, heart and lung disease symptoms, and increased risk of respiratory infections. Everyone can be affected, but sensitive groups such as people with lung or heart disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk. Information: To protect your health, in areas affected by windblown dust and ash: * Avoid outdoor activity * Keep windows and doors closed * Run your air conditioner and/or an air purifier * Do not use whole house fans or swamp coolers that bring in outside air if you have other methods to stay cool * Avoid other sources of pollution such as fireplaces, candles, incense, grilling, and gasoline-powered lawn and garden equipment * ADDITIONAL DETAILS... Cleaning up ash can be harmful for your health. See California Department of Public Health Guidelines for the safe cleanup of ash at https://www.cdph.ca.gov/Programs/EPO/Pages/Wildfire%20Pages/Safe- Cleanup-of-Ash.aspx. To view current and forecasted air quality levels, visit the South Coast Air Quality Management District website at aqmd.gov or download the mobile app at www.aqmd.gov/mobileapp. Additional details for this air quality alert may be available at www.aqmd.gov/advisory. To view current and forecasted air quality levels, visit the Mojave Desert Air Quality Management District website at mdaqmd.ca.gov. Additional details for this air quality alert may be available at www.mdaqmd.ca.gov/advisories. To view current and forecasted air quality levels, visit the antelope Valley Air Quality Management District website at www.avaqmd.ca.gov. To view current and forecasted air quality levels, visit the San Diego County Air Pollution Control District website at www.sdapcd.org/content/sdapcd/air-quality.html. Additional details for this air quality alert may be available at www.sdapcd.org/content/sdapcd/air-quality/smoke-advisory.html. To view current and forecast air quality within Imperial County visit the Imperial County Air Quality website at http://www.imperialvalleyair.org/ or follow ICAPCD on Twitter, facebook or Instagram (@county_air). |