Technical NOAA Weather Discussion

FXUS66 KMTR 270453
AFDMTR

Area Forecast Discussion
National Weather Service San Francisco Bay Area
953 PM PDT Wed Jun 26 2019

.SYNOPSIS...Unseasonably cool conditions will persist over the
region through late week with periods of night/morning low clouds
and breezy onshore winds. A slight warming trend is then forecast
for the upcoming weekend along with continued dry weather
conditions.

&&

.DISCUSSION...as of 9:53 PM PDT Wednesday...Low clouds are seen
redeveloping along the Sonoma county coast to northernmost Santa
Cruz county with fragments of low clouds elsewhere.

A sprawling upper low remains located off the Pacific Northwest
and cooler air continues to flow into northern California on
northwest winds. Low clouds should mix out again Thursday with a
fair amount of sun for the day, afternoon onshore winds picking up
again; the short term forecast is near persistence. Over the
weekend temperatures will warm up particularly over inland
valleys.

&&

.AVIATION...as of 7:45 PM PDT Wednesday...Clouds scattered for a
short time after 00Z but more clouds just keep developing to the
northwest and it looks like SFO will be under cigs for an extended
period of time probably through Thursday morning. Clouds are now
reaching the approach zone as well.

Vicinity of KSFO...MVFR cigs. Bases 1500-2000 feet lowering to
1200-1500 feet after 06Z. West winds to 15 kt decreasing after
04Z.

SFO Bridge Approach...MVFR cigs slowly spreading southeast across
the approach.

Monterey Bay Terminals...Clouds cleared out and will take some
time to redevelop. MVFR cigs returning sometime after 06Z.

&&

.MARINE...as of 07:41 PM PDT Wednesday...Low pressure will descend
into the northern waters today disrupting the northerly gradient
and bringing lighter winds. Locally moderate winds will persist
along the Big Sur coast through tonight. For Thursday, rebuilding
ridge offshore will  result in strengthening northerly winds,
especially along the  coast. Generally light wind driven NW swells
with a small 3 ft southerly swell.

&&

.MTR WATCHES/WARNINGS/ADVISORIES...
     .Tngt...SCA...Pt Pinos to Pt Piedras Blancas 0-10 nm

&&

$$

PUBLIC FORECAST: Canepa
AVIATION: W Pi
MARINE: CW

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Prepared by Boulder-Creek.com Weather at: Wed Jun 26 22:30:02 PDT 2019
From the National Weather Service