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

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047
FNUS86 KMTR 291106
FWLMTR

ECCDA Discussions
National Weather Service SAN FRANCISCO BAY AREA
406 AM PDT Sun Jun 29 2025

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

Drizzly and foggy conditions affect the coast until the afternoon,
but cloud cover will remain at the immediate cast  through the day.
Cloud cover and marine moisture have spread  farther inland as week
low pressure has built into the region.  This has also fostered a
deepening of the marine layer, and will  call even more far reaching
cloud cover and marine moisture into  the work week. The low
pressure is also offering non- zero chances (2-5%) for storms moving
into the North Bay form the more  convective environments to the
north on Monday and Tuesday. This  low pressure exits into the mid
week but is replaced with another  troughing pattern, offering a
slight increase in onshore flow as  well as a deeper marine layer
that expands farther inland. This  will lead to slight cooling and
better humidity recoveries for the interior. Otherwise the daily
pattern remains mostly the same  with cloudy mornings and clearing
afternoons for the slightly  inland areas, with cloud cover staying
along the coast through the day, and clear conditions for the
interior.


...Discussion from SFOFWFEKA...

Temperatures are forecast to peak into the 100s for many  interior
valley locations Sunday. Relative humidity will be dry in the mid
teens with moderate RH recovery overnight. An approaching low
pressure system will slightly cool temperatures and pull moisture
across the area early next week. This system will increase chances
of thunderstorms over the  interior Monday and Tuesday, with the
highest chances of storms in Trinity and interior Humboldt counties
during the peak of the  afternoon Monday.


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##       Complete a discussion for each ECCDA segment below        ##
##      When done click transmit, product sent as KMTRFWLMTR       ##
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ECC010-292315-
St Helena ECC Dispatch-
DISCUSSION FOR Marin and Sonoma and Napa Counties
406 AM PDT Sun Jun 29 2025

Drizzly and foggy conditions affect the coast until the afternoon,
but cloud cover will remain at the immediate cast  through the day.
Cloud cover and marine moisture have spread  farther inland as week
low pressure has built into the region.  This has also fostered a
deepening of the marine layer, and will  call even more far reaching
cloud cover and marine moisture into  the work week. The low
pressure is also offering non- zero chances (2-5%) for storms moving
into the North Bay form the more  convective environments to the
north on Monday and Tuesday. This  low pressure exits into the mid
week but is replaced with another  troughing pattern, offering a
slight increase in onshore flow as  well as a deeper marine layer
that expands farther inland. This  will lead to slight cooling and
better humidity recoveries for the interior. Otherwise the daily
pattern remains mostly the same  with cloudy mornings and clearing
afternoons for the slightly  inland areas, with cloud cover staying
along the coast through the day, and clear conditions for the
interior.

$$

ECC014-292315-
Morgan Hill ECC Dispatch-
DISCUSSION FOR Alameda and Contra Costa and Santa Clara Counties
406 AM PDT Sun Jun 29 2025

Drizzly and foggy conditions affect the coast until the afternoon,
but cloud cover will remain at the immediate cast  through the day.
Cloud cover and marine moisture have spread  farther inland as week
low pressure has built into the region.  This has also fostered a
deepening of the marine layer, and will  call even more far reaching
cloud cover and marine moisture into  the work week. The low
pressure is also offering non- zero chances (2-5%) for storms moving
into the North Bay form the more  convective environments to the
north on Monday and Tuesday. This  low pressure exits into the mid
week but is replaced with another  troughing pattern, offering a
slight increase in onshore flow as  well as a deeper marine layer
that expands farther inland. This  will lead to slight cooling and
better humidity recoveries for the interior. Otherwise the daily
pattern remains mostly the same  with cloudy mornings and clearing
afternoons for the slightly  inland areas, with cloud cover staying
along the coast through the day, and clear conditions for the
interior.

$$

ECC013-292315-
Felton ECC Dispatch-
DISCUSSION FOR Santa Cruz and San Mateo Counties
406 AM PDT Sun Jun 29 2025

Drizzly and foggy conditions affect the coast until the afternoon,
but cloud cover will remain at the immediate cast  through the day.
Cloud cover and marine moisture have spread  farther inland as week
low pressure has built into the region.  This has also fostered a
deepening of the marine layer, and will  call even more far reaching
cloud cover and marine moisture into  the work week. This  low
pressure exits into the mid week but is replaced with another
troughing pattern, offering a slight increase in onshore flow as
well as a deeper marine layerthat expands farther inland. This
will lead to slight cooling andbetter humidity recoveries for the
interior. Otherwise the dailypattern remains mostly the same
with cloudy mornings and clearingafternoons for the slightly inland
areas, with cloud cover staying along the coast through the day,
and clear conditions for the interior.

$$

ECC018-292315-
Monterey ECC Dispatch-
DISCUSSION FOR Monterey and San Benito County
406 AM PDT Sun Jun 29 2025

Drizzly and foggy conditions affect the coast until the afternoon,
but cloud cover will remain at the immediate cast  through the day.
Cloud cover and marine moisture have spread  farther inland as week
low pressure has built into the region.  This has also fostered a
deepening of the marine layer, and will  call even more far reaching
cloud cover and marine moisture into  the work week. This  low
pressure exits into the mid week but is replaced with another
troughing pattern, offering a slight increase in onshore flow as
well as a deeper marine layerthat expands farther inland. This
will lead to slight cooling andbetter humidity recoveries for the
interior. Otherwise the dailypattern remains mostly the same
with cloudy mornings and clearingafternoons for the slightly inland
areas, with cloud cover staying along the coast through the day,
and clear conditions for the interior.

$$