Land Management Forecasts
Issued by NWS San Francisco Bay Area, CA

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532
FNUS86 KMTR 212204
FWLMTR

ECCDA Discussions
National Weather Service SAN FRANCISCO BAY AREA
304 PM PDT Thu Aug 21 2025

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##            Discussions from the latest FWF below                ##
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...Discussion from SFOFWFMTR...

...ELEVATED FIRE WEATHER THREAT CONTINUES THROUGH THE WEEKEND DUE
TO HOT AND DRY CONDITIONS AND AFTERNOON WINDS...

Hot and dry conditions across the district persist  as high pressure
continues over the region. Breezy onshore winds  develop each
afternoon as sea breezes push. Little to no relief  is expected
overnight with warm morning lows and poor humidity  recoveries in
the thermal belts. Monsoonal moisture from the south brings a very
low, but non-zero, chance for elevated convection  Friday and
Saturday, especially in the Central Coast. A gradual  cooling trend
begins the early part of next week as the ridge  breaks down.


...Discussion from SFOFWFEKA...

Hot and very dry weather will continue to rapidly build today. Highs
will peak around Friday with the hottest valleys  reaching over
110 with exceptionally dry RH in the single digits.  Overnight
recoveries will also become increasingly poor at mid and  upper
elevations. Marine influence will shallow and become  restricted to
the coast. Similar hot and dry conditions will  continue through the
weekend. There is a very slight chance (5-10%)  of dry thunderstorms
over high interior terrain by Sunday, but  chances for thunderstorms
increase early next week.


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##       Complete a discussion for each ECCDA segment below        ##
##      When done click transmit, product sent as KMTRFWLMTR       ##
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ECC010-221015-
St Helena ECC Dispatch-
DISCUSSION FOR Marin and Sonoma and Napa Counties
304 PM PDT Thu Aug 21 2025

...ELEVATED FIRE WEATHER THREAT CONTINUES THROUGH THE WEEKEND DUE
TO HOT AND DRY CONDITIONS AND AFTERNOON WINDS...

Hot and dry conditions across the district persist  as high pressure
continues over the region. Breezy onshore winds  develop each
afternoon as sea breezes push. Little to no relief  is expected
overnight with warm morning lows and poor humidity  recoveries in
the thermal belts. Monsoonal moisture from the south brings a very
low, but non-zero, chance for elevated convection  Friday and
Saturday, especially in the Central Coast. A gradual  cooling trend
begins the early part of next week as the ridge  breaks down.

$$

ECC014-221015-
Morgan Hill ECC Dispatch-
DISCUSSION FOR Alameda and Contra Costa and Santa Clara Counties
304 PM PDT Thu Aug 21 2025

...ELEVATED FIRE WEATHER THREAT CONTINUES THROUGH THE WEEKEND DUE
TO HOT AND DRY CONDITIONS AND AFTERNOON WINDS...

Hot and dry conditions across the district persist  as high pressure
continues over the region. Breezy onshore winds  develop each
afternoon as sea breezes push. Little to no relief  is expected
overnight with warm morning lows and poor humidity  recoveries in
the thermal belts. Monsoonal moisture from the south brings a very
low, but non-zero, chance for elevated convection  Friday and
Saturday, especially in the Central Coast. A gradual  cooling trend
begins the early part of next week as the ridge  breaks down.

$$

ECC013-221015-
Felton ECC Dispatch-
DISCUSSION FOR Santa Cruz and San Mateo Counties
304 PM PDT Thu Aug 21 2025

...ELEVATED FIRE WEATHER THREAT CONTINUES THROUGH THE WEEKEND DUE
TO HOT AND DRY CONDITIONS AND AFTERNOON WINDS...

Hot and dry conditions across the district persist  as high pressure
continues over the region. Breezy onshore winds  develop each
afternoon as sea breezes push. Little to no relief  is expected
overnight with warm morning lows and poor humidity  recoveries in
the thermal belts. Monsoonal moisture from the south brings a very
low, but non-zero, chance for elevated convection  Friday and
Saturday, especially in the Central Coast. A gradual  cooling trend
begins the early part of next week as the ridge  breaks down.

$$

ECC018-221015-
Monterey ECC Dispatch-
DISCUSSION FOR Monterey and San Benito County
304 PM PDT Thu Aug 21 2025

...ELEVATED FIRE WEATHER THREAT CONTINUES THROUGH THE WEEKEND DUE
TO HOT AND DRY CONDITIONS AND AFTERNOON WINDS...

Hot and dry conditions across the district persist  as high pressure
continues over the region. Breezy onshore winds  develop each
afternoon as sea breezes push. Little to no relief  is expected
overnight with warm morning lows and poor humidity  recoveries in
the thermal belts. Monsoonal moisture from the south brings a very
low, but non-zero, chance for elevated convection  Friday and
Saturday, especially in the Central Coast. A gradual  cooling trend
begins the early part of next week as the ridge  breaks down.

$$