619
WWUS76 KMTR 202158
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco CA
258 PM PDT Wed Aug 20 2025

CAZ506-508-211300-
/O.EXB.KMTR.HT.Y.0004.250821T1700Z-250822T0500Z/
North Bay Interior Valleys-San Francisco Bay Shoreline-
258 PM PDT Wed Aug 20 2025

...HEAT ADVISORY IN EFFECT FROM 10 AM TO 10 PM PDT THURSDAY...

* WHAT...Temperatures in the 80s to the middle 90s expected.

* WHERE...North Bay Interior Valleys and San Francisco Bay Shoreline.

* WHEN...From 10 AM to 10 PM PDT Thursday.

* IMPACTS...Hot conditions can cause heat illnesses. This level of
  heat affects most individuals sensitive to heat, especially those
  without effective cooling and/or adequate hydration. Impacts
  possible in some health systems and in heat-sensitive industries.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Hydration is a critical piece to surviving the heat. Drink water,
and if possible, take water to those who are vulnerable.

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.

&&

$$

CAZ504-510-512>518-211300-
/O.CON.KMTR.HT.Y.0004.250821T1700Z-250823T0500Z/
North Bay Interior Mountains-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-
258 PM PDT Wed Aug 20 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THURSDAY TO 10 PM PDT
FRIDAY...

* WHAT...Temperatures from the 90s to near 105 expected.

* WHERE...Santa Clara Valley and eastern hills, interior East Bay,
  North Bay interior mountains, Santa Cruz Mountains, Santa Lucia
  Range, southern Salinas Valley, Most of San Benito County and the
  interior mountains of Monterey County.

* WHEN...From 10 AM Thursday to 10 PM PDT Friday.

* IMPACTS...Hot conditions can cause heat illnesses. This level of
  heat affects most individuals sensitive to heat, especially those
  without effective cooling and/or adequate hydration. Impacts
  possible in some health systems and in heat-sensitive industries.

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.

&&

$$

DialH