FXUS66 KSGX 291052
AFDSGX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
300 AM PST SUN NOV 29 2009

.SYNOPSIS...THE UPPER LEVEL LOW PRESSURE SYSTEM WILL DROP SOUTH OVER 
NORTHERN BAJA TODAY. MOISTURE ROTATING AROUND THE LOW IS EXPECTED TO 
CONTINUE SOME SHOWERS AT TIMES OVER THE MOUNTAINS AND DESERTS TODAY. 
HIGH PRESSURE ALOFT WILL MOVE OVER MONDAY AND TUESDAY. AN OFFSHORE 
FLOW WILL DEVELOP TODAY WITH NORTHEAST WINDS ALOFT AND CONTINUE 
THROUGH MONDAY MORNING WITH GUSTY NORTH TO NORTHEAST WINDS AT TIMES. 
HIGH PRESSURE ALOFT WILL WEAKEN LATE WEDNESDAY INTO THURSDAY... 
OTHERWISE LITTLE CHANGE.

&&

.DISCUSSION...FOR SOUTHWEST CALIFORNIA INCLUDING SAN DIEGO... 
ORANGE...SOUTHWEST SAN BERNARDINO AND WEST RIVERSIDE COUNTIES.

SHOWERS DECREASING CURRENTLY AND MAINLY MOVING OVER THE UPPER 
DESERTS AND THE SAN BERNARDINO MOUNTAINS. THE UPPER LEVEL LOW WILL 
RELOCATE OVER NORTHERN BAJA TODAY WITH MOISTURE ROTATING INTO THE 
AREA WITH SHOWERS POSSIBLE THROUGH AFTERNOON IN THE MOUNTAINS AND IN 
THE MORNING FOR THE DESERTS. SNOW LEVEL RISING TO 6000 FT LATE 
MORNING. A NORTH FLOW WITH NORTHEAST WINDS ALOFT WILL DEVELOP TODAY 
WITH STRONG GUSTY NORTH TO NORTHEAST WINDS IN THE MOUNTAINS AND 
INLAND VALLEYS. WINDS ARE EXPECTED TO BE STRONGEST OVER THE SAN 
BERNARDINO MOUNTAINS...THE INLAND EMPIRE AND SANTA ANA MOUNTAINS 
THROUGH MONDAY MORNING...EXCEPT DECREASING IN THE SAN BERNARDINO 
MOUNTAINS THIS AFTERNOON. HIGH PRESSURE ALOFT WILL MOVE OVER MONDAY 
THROUGH TUESDAY...WEAKENING LATE WEDNESDAY THROUGH THURSDAY...THEN 
HIGH PRESSURE ALOFT RETURNS FRIDAY AND SATURDAY. WEAK SURFACE 
PRESSURE GRADIENTS AFTER MONDAY WITH GENERALLY LIGHT WINDS. SLIGHTLY 
WARMER OR NOT AS COOL TODAY...WARMER MONDAY AND TUESDAY...LITTLE 
CHANGE WEDNESDAY...SLIGHTLY COOLER THURSDAY...WARMER FRIDAY WITH 
LITTLE CHANGE SATURDAY.

&&

.AVIATION...
290930Z...LIGHT TO MODERATE SHOWERS ARE CURRENTLY MOVING SW OVER SAN 
BERNARDINO COUNTY AND INTO NORTHERN ORANGE COUNTY AND FAR WESTERN 
RIVERSIDE COUNTY. SHOWER ACTIVITY WILL DECREASE THROUGH THE MORNING. 
CIGS WILL GENERALLY BE VFR...WITH PERIODS OF MVFR CIGS AS SHOWERS 
MOVE THROUGH. HIGHER TERRAIN MAY BE OBSCURED AT 
TIMES...ESPECIALLY THE NORTHERN SLOPES OF THE SAN BERNARDINO COUNTY 
MOUNTAINS. SKIES SHOULD BE MOSTLY CLEAR BY LATE AFTERNOON. 

N TO NE WINDS WILL INCREASE THROUGH THE MORNING AND MAY PRODUCE 
MOUNTAIN WAVE AND ROTOR ACTIVITY AS WELL AS LLWS IN THE VICINITY OF 
KONT...KRAL...AND KSBD. GUSTY N WINDS MAY ALSO IMPACT KPSP AND KTRM.

&&

.MARINE...
THE WNW SWELL IS SLOWLY DECREASING AND WILL RAPIDLY DECREASE THIS 
AFTERNOON. WINDS HAVE ALSO DECREASED OVER THE COASTAL WATERS TO 5 TO 
10 KTS WITH GUSTS TO 15 KTS. SURF WILL REMAIN ABOVE NORMAL IN THE 
MORNING...DECREASING THROUGH THE DAY. SHOWERS HAVE MOVED OUT OF THE 
AREA AND ONLY A STRAY SHOWER OR TWO IS EXPECTED THROUGH THE MORNING. 

&&

.SGX WATCHES/WARNINGS/ADVISORIES...
CA...WIND ADVISORY FOR THE SAN BERNARDINO MOUNTAINS UNTIL 2 PM.

     WIND ADVISORY FOR THE INLAND EMPIRE AND THE SANTA ANA MOUNTAINS
     FROM UNTIL 2 PM MONDAY.

PZ...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS UNTIL 8 AM PST FOR THE
     OUTER WATERS.

&&

$$

PUBLIC...WHITLOW
AVIATION/MARINE...SS