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Local Wx Station Data Sacramento, Northern Sierra Nevada & the Motherlode Area Current Weather Conditions
Marin California (CAC041) Alerts
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NOAA's National Weather Service
Alerts for Marin California  (CAC041)
Spacer Gif Last update: August 14, 2020, 1:20 PM PDT    Spacer GifIcon key
Updates every 10 Minutes
icn  EXCESSIVE HEAT WARNING
MARIN CALIFORNIA   (CAC041)

Effective: Fri, Aug 14, 2020 12:29pm PDT Severity: Moderate
Updated: Fri, Aug 14, 2020 12:29pm PDT Urgency: Expected
Expires: Wed, Aug 19, 2020 09:00pm PDT Certainty: Likely

Areas Affected: East Bay Hills and the Diablo Range; East Bay Interior Valleys; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park; North Bay Mountains; Santa Clara Valley Including San Jose; Santa Lucia Mountains and Los Padres National Forest; Southern Salinas Valley, Arroyo Seco and Lake San Antonio
 
Alert:
...Extended Heat today through Wednesday across the San Francisco
Bay Area and Central Coast...
.A long duration heat wave will impact the region today through
at least Wednesday of next week, and possibly beyond. Excessive
heat will target interior locations for the full duration of the
heat event, with persistent daily afternoon highs in the upper
90s to mid 100s across the interior. Drastic temperature
differences will exist from the coast to the interior and
communities just a few to several miles inland may experience
rapid warming into the upper 80s to 90s on individual days. In
addition, minimal overnight relief is expected for locations
above 1000 feet where warm overnight lows will hover in the upper
60s to low 80s. Due to the long duration of this event,
accumulating heat stress will be a significant impact for the
general public, pets, vegetation, and livestock across the
region, particularly those sensitive to the heat. Relatively
cooler conditions are expected to persist near the immediate
coast with highs in the 70s to 80s, though wind sheltered coastal
areas could rise into the 90s or even locally 100.
...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT
WEDNESDAY...
* WHAT...Long duration, excessively hot conditions with daytime
highs in the upper 90s to mid 100s. The hottest locations may
approach 110 degrees.
* WHERE...Interior San Francisco Bay Area, Interior Central
Coast.
* WHEN...From 11 AM Friday to 9 PM PDT Wednesday.
* IMPACTS...Extreme heat will significantly increase the
potential for heat related illnesses, particularly due to the
long duration of the event.
* ADDITIONAL DETAILS...The heat will initially peak on Friday
with a few degrees of cooling in the temperatures through the
weekend. A second peak in the heat arrives Tuesday into
Wednesday of next week.
Instructions:
Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.
Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. 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.

 

icn  HEAT ADVISORY
MARIN CALIFORNIA   (CAC041)

Effective: Fri, Aug 14, 2020 12:29pm PDT Severity: Minor
Updated: Fri, Aug 14, 2020 12:29pm PDT Urgency: Expected
Expires: Fri, Aug 14, 2020 09:00pm PDT Certainty: Likely

Areas Affected: North Bay Interior Valleys; San Francisco Bay Shoreline; Santa Cruz Mountains
 
Alert:
...Extended Heat today through Wednesday across the San Francisco
Bay Area and Central Coast...
.A long duration heat wave will impact the region today through
at least Wednesday of next week, and possibly beyond. Excessive
heat will target interior locations for the full duration of the
heat event, with persistent daily afternoon highs in the upper
90s to mid 100s across the interior. Drastic temperature
differences will exist from the coast to the interior and
communities just a few to several miles inland may experience
rapid warming into the upper 80s to 90s on individual days. In
addition, minimal overnight relief is expected for locations
above 1000 feet where warm overnight lows will hover in the upper
60s to low 80s. Due to the long duration of this event,
accumulating heat stress will be a significant impact for the
general public, pets, vegetation, and livestock across the
region, particularly those sensitive to the heat. Relatively
cooler conditions are expected to persist near the immediate
coast with highs in the 70s to 80s, though wind sheltered coastal
areas could rise into the 90s or even locally 100.
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING...
* WHAT...Hottest temperatures are forecast for these areas on
Friday with highs in the 90s to lower 100s.
* WHERE...North Bay Interior Valleys, San Francisco Bay
Shoreline and Santa Cruz Mountains. Areas of greatest concern
are areas away from the immediate coast in the San Francisco
Bay Shoreline and northern most portions of the North Bay
valleys.
* WHEN...From 11 AM to 9 PM PDT Friday.
* IMPACTS...Elevated heat will increase the potential for heat
related illnesses, particularly among vulnerable populations
and those working outdoors or in areas without air
conditioning.
* ADDITIONAL DETAILS...Friday is forecast to be the warmest day
for the North Bay valleys, San Francisco Bay shoreline, and
Santa Cruz mountains. Additional heat advisories may be
warranted throughout the duration of the event.
Instructions:
Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.
Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. 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.

 





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