iNWS Alert

CAZ006-508-510-513-515-231115-
/O.NEW.KMTR.HT.Y.0010.250923T1800Z-250924T0200Z/
San Francisco-San Francisco Bay Shoreline-East Bay Interior
Valleys-Santa Clara Valley Including San Jose-East Bay Hills-
804 PM PDT Mon Sep 22 2025

...HEAT ADVISORY IN EFFECT FROM 11 AM TO 7 PM PDT TUESDAY...

* WHAT...Temperatures up to 100 degrees for parts of the East Bay,
mid to upper 90's across portions of the San Francisco Bay
Shoreline and the Santa Clara Valley. Mid to upper 80's over
eastern portions of San Francisco.

* WHERE...The East Bay and San Francisco Bay Shoreline, The Santa
Clara Valley, and San Francisco.

* WHEN...From 11 AM to 7 PM PDT Tuesday.

* IMPACTS...Hot conditions can cause heat illnesses. This level of
heat affects anyone without effective cooling and/or adequate
hydration. Impacts likely in some health systems, heat-sensitive
industries and infrastructure.

* ADDITIONAL DETAILS...The warmest part of the day for the city of
San Francisco and adjacent San Francisco Bay Shoreline will be
late morning through mid-afternoon when a return of weak onshore
flow is expected to bring some relief.

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.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

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.

&&