Weather

THE SAN JOAQUIN VALLEY AIR POLLUTION CONTROL DISTRICT IS ISSUING
AN AIR QUALITY ALERT 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 MARIPOSA COUNTY AND TUOLUMNE COUNTY AIR POLLUTION CONTROL
DISTRICTS ARE ALSO ISSUING AIR QUALITY ALERTS ON SEPTEMBER 21,
2020, DUE TO SMOKE IMPACTS FROM SURROUNDING WILDFIRES FOR MARIPOSA
AND TUOLUMNE COUNTIES.

THE EASTERN KERN AIR POLLUTION CONTROL DISTRICT IS ALSO ISSUING
AN AIR QUALITY ALERT ON SEPTEMBER 21, 2020, 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

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

&&

...CRITICAL FIRE WEATHER CONDITIONS POSSIBLE SATURDAY MORNING
THROUGH MONDAY MORNING...

.GUSTY NORTHERLY AND EASTERLY WINDS ARE POSSIBLE THIS WEEKEND
INTO LATE MONDAY MORNING. POOR HUMIDITY RECOVERY IS EXPECTED
DURING THIS TIME FRAME AS WELL, WITH DAYTIME HUMIDITIES IN THE
TEENS. COMBINATION OF WIND, LOW HUMIDITY, AND HOT CONDITIONS
COULD RESULT IN CRITICAL FIRE WEATHER CONDITIONS WHICH MAY IMPACT
ONGOING WILDFIRES. EXTREME CAUTION SHOULD BE TAKEN TO PREVENT NEW
FIRE STARTS.

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH MONDAY MORNING FOR GUSTY WIND 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 SIERRA NEVADA FOOTHILLS AND THE DELTA.

* WIND...NORTH TO EAST WINDS 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.
STRONGER GUSTS MAY BE POSSIBLE THROUGH FAVORED GAPS AND CANYONS.
STRONGEST WINDS EXPECTED SATURDAY NIGHT, ESPECIALLY ON THE WEST
SIDE OF THE SACRAMENTO VALLEY AND ADJACENT TERRAIN.

* HUMIDITY...MINIMUM DAYTIME HUMIDITY OF 10 TO 20 PERCENT.
MAXIMUM OVERNIGHT HUMIDITY BETWEEN 20 AND 40 PERCENT. HIGHER
HUMIDITY RECOVERY EXPECTED IN THE CENTRAL VALLEY AND DELTA
AREAS.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

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