Area Forecast Discussion
Issued by NWS San Francisco Bay Area, CA

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000
FXUS66 KMTR 261732
AFDMTR

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1032 AM PDT SAT JUL 26 2014

.SYNOPSIS...SLIGHTLY ABOVE NORMAL TEMPERATURES ARE EXPECTED ONCE
AGAIN TODAY AS A RIDGE OF HIGH PRESSURE RESIDES OVER THE WESTERN
CONUS. DUE TO A STRONGER SEA BREEZE TEMPERATURES ARE EXPECTED TO
BE A FEW DEGREES COOLER TODAY AND SUNDAY COMPARED TO YESTERDAY.

&&

.DISCUSSION...AS OF 9:05 AM PDT SATURDAY...SO FAR TEMPERATURE WISE IT
HAS BEEN A MILD START TO THE MORNING. CURRENTLY IN MONTEREY IT IS
62 DEGREES...61 IN DOWNTOWN SAN FRANCISCO AND 65 DEGREES IN NAPA.
SLIGHTLY ABOVE NORMAL TEMPERATURES ARE EXPECTED ONCE AGAIN TODAY.
HOWEVER...THE SEA BREEZE IS EXPECTED TO BE STRONGER TODAY WHICH
WILL HELP TO KEEP TEMPERATURES 5 TO 10 DEGREES COOLER THAN THOSE
OBSERVED YESTERDAY AT MANY LOCATIONS.

THE CURRENT SATELLITE WATER VAPOR IMAGE IS SHOWING MONSOON
MOISTURE ROTATING AROUND A BROAD RIDGE OF HIGH PRESSURE CENTERED
OVER NEW MEXICO. THIS MOISTURE IS BEGINNING TO WORK ITS WAY INTO
SOUTHERN CALIFORNIA THIS MORNING. THE 0000Z ECMWF AND 0600Z GFS40
HAVE INITIALIZED WELL WITH THE CURRENT SYNOPTIC PATTERN AND REMAIN
IN GOOD AGREEMENT THROUGH THE FORECAST PERIOD. BOTH MODELS ADVECT
THE A FORE  MENTIONED MONSOON MOISTURE INTO THE FORECAST AREA LATER
THIS AFTERNOON/EVENING IN THE FORM OF HIGH CLOUDS. THIS MOISTURE
IS EXPECTED TO STICK AROUND THROUGH MONDAY. AT THIS POINT NO
ELEVATED CONVECTION IS EXPECTED IN OUR FORECAST AREA BUT WE WILL
BE KEEPING AN EYE ON THIS SITUATION.

&&

.AVIATION...AS OF 10:32 AM PDT SATURDAY...THE NORTHERLY GRADIENT
CONTINUES TO WEAKEN BUT REMAINS MODERATE AT 3 MB FROM ACV TO SFO.
THE MARINE LAYER IS SHALLOW AND LOW CLOUDS HAVE CLEARED FROM ALL
TERMINAL SITES. EXPECT THE MARINE LAYER TO DEEPEN SOMEWHAT
OVERNIGHT WITH MORE EXTENSIVE LOW CLOUDS BY SUNDAY MORNING.

VICINITY OF KSFO...VFR. WEST WINDS ALL DAY...INCREASING TO AROUND
17 KT THIS AFTERNOON.

KSFO BRIDGE APPROACH...SIMILAR TO KSFO.

MONTEREY BAY AREA TERMINALS...VFR TODAY. STRATUS TO RETURN BY EVENING.

&&

.MARINE...AS OF 10:20 AM PDT SATURDAY...NORTHWEST WINDS OVER THE
NORTHERN COASTAL WATERS ARE CONTINUING TO DIMINISH THIS MORNING.
LIGHT WINDS AND SEAS WILL CONTINUE THROUGH THE WEEKEND INTO EARLY
NEXT WEEK.

&&

.MTR WATCHES/WARNINGS/ADVISORIES...
     .TDAY...SCA...PT ARENA TO PT REYES 10-60 NM
             SCA...PT REYES TO PIGEON PT 10-60 NM UNTIL 3 PM
             SCA...SF BAY NORTH OF THE BAY BRIDGE FROM 3 PM

&&

$$

PUBLIC FORECAST: LARRY
AVIATION/MARINE: SIMS

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