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

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FXUS66 KMTR 062234
AFDMTR

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
234 PM PST FRI MAR 6 2015

.SYNOPSIS...A HIGH PRESSURE RIDGE OVER THE WEST WILL BRING BRING
CLEAR SKIES AND ABOVE NORMAL TEMPERATURES TO THE DISTRICT THROUGH THE
WEEKEND. THE RIDGE WILL MAINTAIN THROUGH MONDAY AND TUESDAY WITH
NEAR NORMAL TEMPERATURES. BY LATE TUESDAY NIGHT OR WEDNESDAY AN
UPPER LEVEL TROUGH WILL APPROACH THE COAST AND THIS MAY BRING RAIN
CHANCES TO THE AREA.

&&

.DISCUSSION...AS OF 2:34 PM PST FRIDAY...HIGH PRESSURE ALOFT...SUNNY
SKIES AND LIGHT OFFSHORE WINDS HAVE ALL CONTRIBUTED TO WARM
TEMPERATURES ACROSS THE DISTRICT. AFTERNOON READINGS ARE RANGING
FROM THE MID 60S TO UPPER 70S...WARMER EVERYWHERE BY SEVERAL
DEGREES. SURFACE PRESSURE GRADIENTS CONTINUE TO BE OFFSHORE WITH
5.1 MB FROM WMC TO SFO...AND 3.6 MB FROM ACV TO SFO. EXPECT
PLEASANT WEATHER TO PERSIST THROUGH THE WEEKEND WITH LIGHT WINDS
AND ABOVE-NORMAL TEMPERATURES. SUNNY SKIES WITH HIGH TEMPS FROM
THE UPPER 60S AT THE BEACHES...70S AROUND THE BAY AND EVEN SOME
LOWER 80S FOR THE INLAND VALLEYS OF MONTEREY/SAN BENITO COUNTY CAN
BE EXPECTED.

THE RIDGE IS FORECAST TO WEAKEN SLIGHTLY BY MONDAY AND TUESDAY
WITH PERHAPS SOME INCREASE IN ONSHORE FLOW NEAR THE COAST BUT
ONLY SLIGHTLY COOLER TEMPERATURES ARE FORECAST THROUGH AT LEAST
TUESDAY. BY WEDNESDAY A WEAK UPPER LEVEL TROUGH IS FORECAST TO
APPROACH THE WEST COAST. THERE CONTINUE TO BE SOME VARIANCE IN
MODEL SOLUTION CONCERNING HOW FAR SOUTH THE POSSIBLE RAIN CHANCES
WITH THIS SYSTEM WILL EXTEND. THE LATEST RUN OF THE GFS HAS BACKED
OFF RAIN CHANCES EVEN MORE...THUS POPS WERE LOWERED ACCORDINGLY
ACROSS THE AREA TO CHANCE OR SLIGHT CHANCES FOR MAINLY THE
NORTHERN HALF OF THE DISTRICT.

&&

.AVIATION...AS OF 9:56 AM PST FRIDAY...VFR AT ALMOST ALL TERMINALS
THROUGH THE FORECAST PERIOD. AS USUAL...THE EXCEPTION WILL BE KSTS
WHERE SOME PATCHY FOG WILL BE POSS LATE TONIGHT.

VICINITY OF KSFO...VFR. LIGHT EASTERLY FLOW THIS MORNING THEN SEA
BREEZE PUSH LATE THIS AFTERNOON. RELATIVELY LIGHT WINDS TONIGHT.

HIGH CONFIDENCE.

KSFO BRIDGE APPROACH...SIMILAR TO KSFO.

MONTEREY BAY AREA TERMINALS...VFR. LIGHT WINDS.

HIGH CONFIDENCE.

&&

.MARINE...AS OF 2:19 PM PST FRIDAY...LIGHT TO MODERATE WINDS WILL
PERSIST ALONG THE CENTRAL COAST AS HIGH PRESSURE REMAINS OVER THE
REGION. A RELATIVELY SMALL MIXED SWELL WILL PERSIST INTO THE
WEEKEND.

&&

.MTR WATCHES/WARNINGS/ADVISORIES...
     .TNGT...NONE.

$$

PUBLIC FORECAST: SIMS
AVIATION/MARINE: MM

VISIT US AT WEATHER.GOV/SANFRANCISCO

FOLLOW US ON FACEBOOK, TWITTER, AND YOUTUBE AT:
WWW.FACEBOOK.COM/NWSBAYAREA
WWW.TWITTER.COM/NWSBAYAREA
WWW.YOUTUBE.COM/NWSBAYAREA






USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.