Area Forecast Discussion
Issued by NWS San Diego, CA

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000
FXUS66 KSGX 271119
AFDSGX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
320 AM PST TUE JAN 27 2015

.SYNOPSIS...
SHOWERS WILL END THIS MORNING WITH PATCHY DENSE FOG EARLY THIS
MORNING...MAINLY IN SOME DESERT AND VALLEY AREAS. DRY AND A LITTLE
WARMER FOR WEDNESDAY. FOR LATE THURSDAY THROUGH EARLY SATURDAY...A
WEAK LOW PRESSURE SYSTEM FROM THE SOUTHWEST WILL BRING A CHANCE OF
SHOWERS. DRIER AND WARMER WITH OFFSHORE FLOW AND LOCALLY GUSTY
NORTHEAST WINDS FOR SUNDAY AND MONDAY.

&&

.DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE...
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...

.SHORT TERM (TODAY THROUGH THURSDAY)...
A WEAK LOW PRESSURE SYSTEM CENTERED OVER CENTRAL CALIFORNIA WILL
MOVE QUICKLY TOWARDS THE NORTHEAST TODAY. RADAR SHOWS WIDELY
SCATTERED SHOWERS FROM THE INLAND EMPIRE NORTHWARD INTO THE UPPER
DESERTS WITH THE SHOWERS MOVING TOWARDS THE NORTH. THESE SHOWERS ARE
EXPECTED TO END EARLY THIS MORNING. SATELLITE IMAGERY SHOWS ABUNDANT
LOW AND MID LEVEL CLOUD COVER ACROSS THE MOUNTAINS...DESERTS...AND
INLAND EMPIRE WITH SURFACE REPORTS SHOWING A FEW REPORTS OF DENSE
FOG...MAINLY IN LOWER LYING PORTIONS OF THE DESERTS AND INLAND
VALLEYS. GRADUAL DECREASING CLOUDINESS FROM SOUTH TO NORTH IS
EXPECTED DURING THE DAY.

DRY AND A LITTLE WARMER FOR WEDNESDAY.

FOR THURSDAY...ANOTHER WEAK LOW PRESSURE SYSTEM WILL APPROACH FROM
THE SOUTHWEST. THE CURRENT FORECAST CONTINUES WITH A BLEND OF THE
SLIGHTLY FASTER GFS AND SLIGHTLY SLOWER ECMWF SOLUTIONS WHICH WOULD
BRING A SLIGHT CHANCE OF SHOWERS BEGINNING LATE THURSDAY.

&&

.LONG TERM (FRIDAY THROUGH MONDAY)...
THE BLEND OF THE ECMWF AND GFS SOLUTIONS CONTINUES INTO THE WEEKEND
WHICH WOULD CONTINUE THE CHANCE OF SHOWERS INTO EARLY SATURDAY.
DRIER AND WARMER OFFSHORE FLOW WITH GUSTY NORTHEAST WINDS WOULD
FOLLOW FOR SUNDAY AND MONDAY.

&&

.AVIATION...
2701000Z...A FEW LINGERING SHOWERS NORTH OF SAN DIEGO COUNTY THROUGH
ABOUT 12Z THIS MORNING. SOME VIS RESTRICTIONS OF 3-5SM OR LOCALLY
LOWER WILL CONTINUE IN THE DESERT AND IN SOME INLAND VALLEYS
THROUGH 16Z. BROKEN TO OCCASIONALLY SCATTERED CLOUD BASES WILL BE
MOSTLY AROUND 7000 FEET MSL MOUNTAINS WESTWARD...BUT DOWN TO 2500
FEET IN THE DESERTS THROUGH ABOUT 17Z. AFTER 17Z ALL AREAS WILL BE
SCATTERED AROUND 7000 FEET AND AROUND 15000 FEET THROUGH TONIGHT.

&&

.MARINE...
200 AM....NO HAZARDOUS MARINE WEATHER IS EXPECTED THROUGH SATURDAY.

&&

.SKYWARN...
SKYWARN ACTIVATION IS NOT REQUESTED. HOWEVER WEATHER SPOTTERS ARE
ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS.

&&

.SGX WATCHES/WARNINGS/ADVISORIES...
CA...NONE.
PZ...NONE.

&&

$$

PUBLIC...17
AVIATION/MARINE...MM








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