404
WWUS76 KMTR 071542
NPWMTR
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
842 AM PDT WED OCT 7 2026
CAZ006-505-509-071645-
/O.EXP.KMTR.FG.Y.0010.000000T0000Z-261007T1600Z/
SAN FRANCISCO-COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL
SEASHORE-SAN FRANCISCO PENINSULA COAST-
842 AM PDT WED OCT 7 2026
..DENSE FOG ADVISORY WILL EXPIRE AT 9 AM PDT THIS MORNING
WIDESPREAD DENSE FOG IS NO LONGER BEING OBSERVED. PATCHY DENSE FOG
MAY LINGER FOR THE REST OF THE MORNING. IF YOU ENCOUNTER DENSE FOG
WHILE DRIVING, SLOW DOWN, USE LOW-BEAM HEADLIGHTS, AND KEEP PLENTY OF
SPACE BETWEEN YOU AND THE CAR IN FRONT IN YOU.
CAZ503-504-506-508-510-512>518-080900-
/O.CON.KMTR.HT.Y.0014.000000T0000Z-261009T0500Z/
SONOMA COASTAL RANGE-NORTH BAY INTERIOR MOUNTAINS-NORTH BAY
INTERIOR VALLEYS-SAN FRANCISCO BAY SHORELINE-EAST BAY INTERIOR
VALLEYS-SANTA CRUZ MOUNTAINS-SANTA CLARA VALLEY INCLUDING SAN
JOSE-EASTERN SANTA CLARA HILLS-EAST BAY HILLS-SOUTHERN SALINAS
VALLEY/ARROYO SECO AND LAKE SAN ANTONIO-SANTA LUCIA MOUNTAINS AND
LOS PADRES NATIONAL FOREST-MOUNTAINS OF SAN BENITO COUNTY AND
INTERIOR MONTEREY COUNTY INCLUDING PINNACLES NATIONAL PARK-
842 AM PDT WED OCT 7 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THURSDAY
* WHAT...HOT CONDITIONS WITH MAXIMUM TEMPERATURES IN THE MID-90S TO
NEAR 105. MILD MINIMUM TEMPERATURES AND WEAK ONSHORE FLOW WILL
LIMIT OVERNIGHT RELIEF.
* WHERE...THE EAST BAY AND SAN FRANCISCO BAY SHORELINE, NORTH BAY
INTERIOR MOUNTAINS AND VALLEYS, THE SANTA CLARA VALLEY AND EASTERN
HILLS, THE SANTA CRUZ MOUNTAINS, INTERIOR MONTEREY COUNTY AND THE
SANTA LUCIA RANGE, MOST OF SAN BENITO COUNTY AND THE CHOLAME HILLS
IN SOUTHEAST MONTEREY COUNTY, AND SOUTHERN SALINAS VALLEY/ARROYO
SECO AND LAKE SAN ANTONIO.
* WHEN...UNTIL 10 PM PDT THURSDAY.
* IMPACTS...THIS LEVEL OF HEAT AFFECTS ANYONE WITHOUT EFFECTIVE
COOLING AND/OR ADEQUATE HYDRATION. IMPACTS LIKELY IN SOME HEALTH
SYSTEMS, HEAT-SENSITIVE INDUSTRIES AND INFRASTRUCTURE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HYDRATION IS A CRITICAL PIECE TO SURVIVING THE HEAT. DRINK WATER, AND
IF POSSIBLE, TAKE WATER TO THOSE WHO ARE VULNERABLE.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO THE EARLY
MORNING OR EVENING. TAKE ACTION WHEN YOU EXPERIENCE SYMPTOMS OF HEAT
EXHAUSTION AND/OR HEAT STROKE.
BEAT THE HEAT AND CHECK THE BACKSEAT! DO NOT LEAVE YOUNG CHILDREN OR
PETS IN UNATTENDED VEHICLES. CAR INTERIORS WILL REACH LETHAL
TEMPERATURES IN A MATTER OF MINUTES.
DIALH
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