[californiadisasters] Strong Santa Ana Wind Bulletin (12/13/11)

...STRONG AND POTENTIALLY DAMAGING OFFSHORE WINDS POSSIBLE THURSDAY 
 NIGHT INTO FRIDAY ACROSS PORTIONS OF SOUTHWEST CALIFORNIA...
 
 A VIGOROUS UPPER LEVEL LOW PRESSURE SYSTEM IS FORECAST TO MOVE 
 SOUTHEAST AND QUICKLY THROUGH CENTRAL CALIFORNIA THURSDAY MORNING... 
  INTO SOUTHEASTERN CALIFORNIA BY THURSDAY EVENING...THEN TO THE LOWER 
 COLORADO RIVER VALLEY BY EARLY FRIDAY. THE LATEST COMPUTER MODEL 
 FORECASTS ARE NOT CONSISTENT WITH THE TRACK OF THIS UPPER LEVEL LOW 
 WHICH COULD HAVE IMPLICATIONS ON THE TIMING AND STRENGTH OF THE 
  OFFSHORE WINDS.
 
 HOWEVER...AT THIS TIME IT APPEARS THAT STRONG NORTHERLY WINDS WILL 
 DEVELOP OVER PORTIONS OF VENTURA AND LOS ANGELES COUNTIES THURSDAY 
 NIGHT AND PERSIST THROUGH MUCH OF THE DAY ON FRIDAY. THE MOST 
  SUSCEPTIBLE AREAS FOR THE STRONG WINDS WILL BE ACROSS THE MOUNTAINS 
 AND VALLEYS...ESPECIALLY BELOW AND THROUGH THE PASSES AND CANYONS.
 THIS AREA INCLUDES THE INTERSTATE 5 CORRIDOR IN NORTHWESTERN LOS 
 ANGELES COUNTY...THE SANTA CLARITA...SAN FERNANDO AND SAN GABRIEL 
  VALLEYS...AND THE SANTA MONICA MOUNTAINS. STRONG WINDS WILL ALSO BE 
 POSSIBLE FOR THE LOS ANGELES COUNTY COAST ESPECIALLY FROM MALIBU TO 
 THE HOLLYWOOD HILLS...AND AREAS IN AND AROUND LAKE CASITAS IN 
 VENTURA COUNTY.
  
 THE PEAK OF THIS OFFSHORE WIND EVENT WOULD LIKELY BE LATE THURSDAY 
 NIGHT AND FRIDAY MORNING. WHILE IT IS STILL A BIT EARLY TO PINPOINT 
 EXACT WIND SPEEDS WITH THIS EVENT DUE TO THE UNCERTAINTY IN THE 
 TRACK OF THIS LOW PRESSURE SYSTEM...THERE IS THE POTENTIAL FOR 
  DAMAGING WIND GUSTS OF 60 MPH OR GREATER THROUGH FAVORED MOUNTAIN 
 PASSES...AND STRONG WIND GUSTS TO 50 MPH ACROSS WIND FAVORED COASTAL 
 AND VALLEY LOCATIONS. STRONG AND GUSTY OFFSHORE WINDS ARE EXPECTED 
 TO CONTINUE FRIDAY NIGHT INTO SATURDAY AS WELL.
  
 IF THIS STRONG OFFSHORE WIND EVENT DEVELOPS...THERE WOULD LIKELY BE 
 SUFFICIENTLY LOW HUMIDITIES TO CREATE HEIGHTENED FIRE WEATHER 
 CONCERNS. OTHER POTENTIAL IMPACTS WOULD INCLUDE DOWNED TREES AND 
 POWER LINES ESPECIALLY IN THE MOUNTAINS...AND STRONG CROSS WINDS FOR 
  MOTORISTS WHICH WOULD AFFECT HIGH PROFILE VEHICLES.
  
 PLEASE STAY TUNED TO THE LATEST NATIONAL WEATHER SERVICE FORECASTS 
 AND STATEMENTS ON THIS DEVELOPING WEATHER SITUATION.
 
 $$
 
 SIRARD

Source: http://www.wrh.noaa.gov/total_forecast/getprod.php?wfo=lox&sid=LOX&pil=SPS

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