NWS Forecast Discussion
000 FXUS66 KSGX 111014 AFDSGX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN DIEGO CA 100 AM PST THU MAR 11 2010 .SYNOPSIS...HIGH PRESSURE ALOFT WILL BRING WARMER DAYS TODAY AND FRIDAY. IT WILL TURN COOLER SATURDAY AS A TROUGH OF LOW PRESSURE APPROACHES FROM THE NORTH. MUCH WARMER EARLY NEXT WEEK UNDER HIGH PRESSURE AND WEAK TO MODERATE OFFSHORE FLOW. && .DISCUSSION...FOR SOUTHWEST CALIFORNIA INCLUDING SAN DIEGO... ORANGE...SOUTHWEST SAN BERNARDINO AND WEST RIVERSIDE COUNTIES. WARMER TODAY AND FRIDAY WITH HIGH PRESSURE BUILDING ALOFT AND WEAK OFFSHORE FLOW AT THE SURFACE. WIND PRONE MOUNTAIN AREAS WILL EXPERIENCE SEVERAL HOURS OF GUSTY NORTH WINDS THIS MORNING BEFORE SUBSIDING IN THE AFTERNOON. 570 RIDGE BUILDS TODAY...RESULTING IN SURFACE TEMPERATURES INCREASING 6 TO 12 DEGREES OVER YDY HIGHS... EXCEPT NEAR THE COAST DUE TO MARINE LAYER INFLUENCES. THE MILD WEATHER CONTINUES FRIDAY BEFORE THE HIGH SHIFTS EAST. ON FRIDAY NIGHT AND SATURDAY ANOTHER FAST MOVING TROUGH WILL BRING CLOUDS AND COOLING. THE MARINE LAYER WILL RAPIDLY DEEPEN TO 5K FT SATURDAY... DEEP ENOUGH FOR POSSIBLE LIGHT PRECIP. HIGH PRESSURE ALOFT AND WEAK OFFSHORE FLOW WILL BRING EVEN WARMER WEATHER SUNDAY THROUGH TUESDAY. HIGH TEMPERATURES WILL BE 5 TO 10 DEGREES ABOVE AVERAGE MONDAY AND TUESDAY WITH HIGHS IN THE VALLEY AREAS NEAR 80 DEGREES. && .AVIATION... 111000Z...PATCHY STRATUS AND FOG ON THE LOWER COASTAL SLOPES EARLY THIS MORNING WILL BURN OFF BY 17Z...OTHERWISE CLEAR WITH UNRESTRICTED VISIBILITY THURSDAY THROUGH FRIDAY. PG && .SGX WATCHES/WARNINGS/ADVISORIES...NONE. && $$ PUBLIC...MACKECHNIE AVIATION/MARINE...PG
NWS SGX Office Area Forecast Discussion