021
WWUS76 KMTR 120602
NPWMTR
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1102 PM PDT THU JUN 11 2026
CAZ503-504-506-508-120715-
/O.EXP.KMTR.HT.Y.0002.000000T0000Z-260612T0600Z/
SONOMA COASTAL RANGE-NORTH BAY INTERIOR MOUNTAINS-NORTH BAY
INTERIOR VALLEYS-SAN FRANCISCO BAY SHORELINE-
1102 PM PDT THU JUN 11 2026
..HEAT ADVISORY HAS EXPIRED
CAZ510-513>515-121415-
/O.CON.KMTR.HT.Y.0002.000000T0000Z-260613T0200Z/
EAST BAY INTERIOR VALLEYS-SANTA CLARA VALLEY INCLUDING SAN JOSE-
EASTERN SANTA CLARA HILLS-EAST BAY HILLS-
1102 PM PDT THU JUN 11 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM PDT FRIDAY
* WHAT...TEMPERATURES BETWEEN 90 AND 95 FOR MOST AREAS, WITH SOME
READINGS ABOVE 100 DEGREES. HOTTEST CONDITIONS ACROSS THE EAST BAY
HILLS AND VALLEYS.
* WHERE...THE SANTA CLARA VALLEY AND EASTERN HILLS, AND THE EAST BAY
HILLS AND VALLEYS.
* WHEN...UNTIL 7 PM PDT FRIDAY.
* IMPACTS...THIS LEVEL OF HEAT AFFECTS PRIMARILY THOSE INDIVIDUALS
EXTREMELY SENSITIVE TO HEAT, ESPECIALLY WHEN OUTDOORS WITHOUT
EFFECTIVE COOLING AND/OR ADEQUATE HYDRATION.
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.
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