AFOS product AFDSGX
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Displaying AFOS PIL: AFDSGX
Product Timestamp: 2013-03-11 10:20 UTC

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FXUS66 KSGX 111020
AFDSGX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
320 AM PDT MON MAR 11 2013

.SYNOPSIS...
HIGH PRESSURE ALOFT WILL BRING DRY WEATHER WITH WARMING THROUGH 
THURSDAY. WEAK SURFACE HIGH PRESSURE OVER THE GREAT BASIN WILL BRING 
LOCALLY GUSTY EAST TO NORTHEAST WINDS OF LESS THAN 35 MPH NEAR THE 
COASTAL FOOTHILLS EACH MORNING THROUGH THURSDAY. A WEAK TROUGH OF 
LOW PRESSURE MOVING INLAND THROUGH CALIFORNIA COULD BRING MODEST 
COOLING AND A BRIEF RETURN OF THE MARINE LAYER FOR FRIDAY AND 
SATURDAY MORNINGS WITH NIGHT AND MORNING COASTAL LOW CLOUDS AND FOG 
FOLLOWED BY CONTINUED DRY WEATHER AND MODEST WARMING FOR SUNDAY AND 
MONDAY.

&&

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

HIGH PRESSURE ALOFT OFF THE CALIFORNIA COAST WILL BRING A WARMING 
TREND INTO THURSDAY WITH WEAK SURFACE HIGH PRESSURE OVER THE GREAT 
BASIN BRINGING LOCALLY GUSTY NORTHEAST WINDS LESS THAN 35 MPH EACH 
MORNING THROUGH THURSDAY. FOR WEDNESDAY AND THURSDAY...WARMEST HIGH 
TEMPERATURES IN THE INLAND VALLEYS COULD BE AROUND 90 AND IN THE 
LOWER TO MID 90S IN THE LOWER DESERTS.

BY SUNDAY AND MONDAY...THE GFS IS COMPLETELY OUT OF PHASE WITH THE 
ECMWF AND CANADIAN MODELS NEAR THE WEST COAST. THE ECMWF WAS 
GENERALLY FOLLOWED FOR FRIDAY THROUGH MONDAY AS IT HAS SHOWN GREATER 
CONSISTENCY AND IS ALSO SUPPORTED BY THE CANADIAN MODEL. IN 
FOLLOWING THE ECMWF...A WEAK POSITIVELY TILTED TROUGH OF LOW 
PRESSURE MOVING INLAND THROUGH CALIFORNIA FRIDAY INTO SATURDAY WOULD 
DAMPEN THE RIDGE OF HIGH PRESSURE BRINGING MODEST COOLING THE RETURN 
OF WEAK ONSHORE FLOW BRINGING A BRIEF RETURN OF THE MARINE LAYER 
WITH NIGHT AND MORNING LOW CLOUDS FOR FRIDAY INTO SATURDAY. HIGH 
PRESSURE ALOFT TO THE SOUTHWEST OF CALIFORNIA WOULD CONTINUE THE DRY 
WEATHER AND BRING MODEST WARMING FOR SUNDAY AND MONDAY.

&&

.AVIATION...
110815Z...MOSTLY CLEAR WITH UNRESTRICTED VIS THROUGH TUESDAY.

&&

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

&&

$$

PUBLIC...17
AVIATION/MARINE...MAXWELL