• Laguna Hills, California, United States (92637)
  • WxZone: CAZ042ICAO: KSNALat: 33.61NLon: 117.71W

Discussions

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