Weather

THE SAN JOAQUIN VALLEY AIR POLLUTION CONTROL DISTRICT IS EXTENDING
THE AIR QUALITY ALERT ISSUED ON SEPTEMBER 21, 2020, DUE TO SMOKE
IMPACTS FROM THE CREEK FIRE, SQF COMPLEX, AND OTHER WILDFIRES
THROUGHOUT CALIFORNIA FOR SAN JOAQUIN, STANISLAUS, MERCED, MADERA,
FRESNO, KINGS, TULARE, AND VALLEY PORTION OF KERN COUNTY.

THE AIR QUALITY ALERTS ISSUED BY THE MARIPOSA COUNTY AND TUOLUMNE
COUNTY AIR POLLUTION CONTROL DISTRICTS REMAIN IN EFFECT, DUE TO
SMOKE IMPACTS FROM SURROUNDING WILDFIRES FOR MARIPOSA AND TUOLUMNE
COUNTIES.

THE AIR QUALITY ALERT ISSUED BY THE EASTERN KERN AIR POLLUTION
CONTROL DISTRICT ALSO REMAINS IN EFFECT, DUE TO SMOKE IMPACTS
FROM SURROUNDING WILDFIRES FOR EASTERN KERN COUNTY. THIS COVERS
LAKE ISABELLA SOUTH TO TEHACHAPI AND POINTS EAST TO ROSAMOND,
BORON AND RIDGECREST.

THESE AIR QUALITY ALERTS ARE IN EFFECT UNTIL THE FIRES ARE
EXTINGUISHED.

EXPOSURE TO PARTICLE POLLUTION CAN CAUSE SERIOUS HEALTH PROBLEMS,
AGGRAVATE LUNG DISEASE, CAUSE ASTHMA ATTACKS AND ACUTE
BRONCHITIS, AND INCREASE RISK OF RESPIRATORY INFECTIONS.

RESIDENTS ARE ADVISED TO USE CAUTION AS CONDITIONS WARRANT.
PEOPLE WITH HEART OR LUNG DISEASES SHOULD FOLLOW THEIR DOCTOR'S
ADVICE FOR DEALING WITH EPISODES OF UNHEALTHY AIR QUALITY.

ADDITIONALLY, OLDER ADULTS AND CHILDREN SHOULD AVOID PROLONGED
EXPOSURE, STRENUOUS ACTIVITIES OR HEAVY EXERTION, AS CONDITIONS
DICTATE.

FOR ADDITIONAL INFORMATION, CALL YOUR LOCAL AIR DISTRICT OFFICE.

SAN JOAQUIN VALLEY AIR DISTRICT: MODESTO 209-557-6400, FRESNO
559-230-6000, BAKERSFIELD 661-392-5500

TUOLUMNE COUNTY 209-533-5691

MARIPOSA COUNTY 888-777-0377

EASTERN KERN COUNTY 661-862-5251

RESIDENTS CAN ALSO FOLLOW AIR QUALITY CONDITIONS BY DOWNLOADING
THE FREE VALLEY AIR APP, AVAILABLE IN THE APPLE STORE OR GOOGLE
PLAY.

&&

...EXTREME FIRE WEATHER CONDITIONS LATE SATURDAY EVENING THROUGH
MONDAY...

.GUSTY NORTHERLY AND EASTERLY WINDS WILL CONTINUE TO IMPACT
PORTIONS OF THE SACRAMENTO VALLEY, THE NORTHERN SIERRA AND WESTERN
FOOTHILLS, AND THE COASTAL RANGE THROUGH MONDAY. DAYTIME
HUMIDITIES WILL BE EXTREMELY LOW IN THE SINGLE DIGITS TO TEENS
WITH POOR OVERNIGHT HUMIDITY RECOVERIES. THE COMBINATION OF WIND,
LOW HUMIDITY, AND HOT CONDITIONS WILL RESULT IN EXTREME FIRE
WEATHER CONDITIONS. THIS TYPE OF EXTREME FIRE WEATHER CONDITIONS
ONLY OCCURS A FEW TIMES A YEAR. THESE CONDITIONS MAY IMPACT
ONGOING WILDFIRES. EXTREME CAUTION SHOULD BE TAKEN TO PREVENT NEW
FIRE STARTS.

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT MONDAY FOR
GUSTY NORTH TO EAST WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
213, 215, 216, 217, 218, 219, 220, 221, 263, 266, 267, 268, 269,
AND 279...

* AFFECTED AREA...PORTIONS OF INTERIOR NORTHERN CALIFORNIA
INCLUDING THE WEST SIDE OF THE SACRAMENTO VALLEY, THE COASTAL
RANGE, THE WESTERN SIERRA NEVADA AND FOOTHILLS, AND THE DELTA.

* WIND...NORTH TO EAST WINDS 15 TO 30 MPH WITH GUSTS FROM 40 TO 45
MPH. STRONGER GUSTS UP TO TO 55 MPH MAY BE POSSIBLE THROUGH
FAVORED GAPS AND CANYONS.

* HUMIDITY...MINIMUM DAYTIME HUMIDITY OF 5 TO 20 PERCENT.
MAXIMUM OVERNIGHT HUMIDITY BETWEEN 15 AND 40 PERCENT.

* IMPACTS...NUMEROUS WILDFIRES ARE ALREADY OCCURRING. EXTREME
FIRE SAFETY PRECAUTIONS SHOULD BE EXERCISED TO PREVENT ANY
ADDITIONAL FIRES. OUTDOOR BURNING SHOULD BE AVOIDED.

* ADDITIONAL DETAILS...STRONGEST WINDS EXPECTED SATURDAY NIGHT
THROUGH SUNDAY OVER THE WEST SIDE OF THE SACRAMENTO VALLEY, AND
SUNDAY NIGHT THROUGH EARLY MONDAY OVER THE SIERRA FOOTHILLS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW, OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS, LOW RELATIVE HUMIDITY, AND WARM TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

INTERACT WITH US VIA SOCIAL MEDIA;
WWW.FACEBOOK.COM/NWS.SACRAMENTO;
WWW.TWITTER.COM/NWSSACRAMENTO