Monday, September 30, 2013

Re: [californiadisasters] Santa Ana Wind Fire Weather Watch (9/30/13-PM)



Here we go with the beginning of the "season."    This is going to be a risky few days for some L.A. communities.    Early to mid-October have traditionally been the most disastrous time for fires.

Jason
 
In a message dated 9/30/2013 9:49:02 P.M. Pacific Daylight Time, kimnoyes@gmail.com writes:
 

...FIRE WEATHER WATCH IS IN EFFECT THURSDAY EVENING THROUGH  SATURDAY EVENING FOR MODERATE SANTA ANA WINDS AND VERY LOW  HUMIDITY FOR VENTURA COUNTY AND LOS ANGELES COUNTY EXCLUDING  ANTELOPE VALLEY...    .CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED AS MODERATE SANTA  ANA WINDS COMBINE WITH VERY LOW RELATIVE HUMIDITY THURSDAY EVENING  THROUGH SATURDAY EVENING AND A FIRE WEATHER WATCH IS IN EFFECT.  CONFIDENCE IS RELATIVELY HIGH AS A RIDGE OF HIGH PRESSURE BUILDS  INTO THE GREAT BASIN THURSDAY NIGHT THROUGH FRIDAY AND THEN SHIFTS  EAST WHILE WEAKENING SATURDAY. THE SANTA ANA WINDS ARE EXPECTED  PEAK FRIDAY MIDDAY AND THEN PERSIST WHILE WEAKENING FRIDAY  AFTERNOON THROUGH SATURDAY. TEMPERATURES WILL RANGE 5 TO 10  DEGREES ABOVE NORMAL WITH POOR TO MODERATE RELATIVE HUMIDITY  RECOVERY. RELATIVE HUMIDITY IS EXPECTED TO FALL SHARPLY INTO THE  MID TEENS FRIDAY MORNING AND BY SATURDAY WIDESPREAD SINGLE DIGIT  HUMIDITY WILL EXTEND FROM THE HIGHER ELEVATIONS TO THE LOWER  ELEVATIONS.    CAZ240-244-245-253-011700-  /O.NEW.KLOX.FW.A.0004.131004T0400Z-131006T0200Z/  VENTURA COUNTY COAST-VENTURA COUNTY INTERIOR VALLEYS-  VENTURA COUNTY COASTAL VALLEYS-  VENTURA COUNTY MOUNTAINS / LOS PADRES NATIONAL FOREST-  235 PM PDT MON SEP 30 2013    ...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY EVENING THROUGH  SATURDAY EVENING FOR GUSTY SANTA ANA WINDS AND VERY LOW RELATIVE  HUMIDITY FOR VENTURA COUNTY...    THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A  FIRE WEATHER WATCH FOR GUSTY SANTA ANA WINDS AND VERY LOW RELATIVE  HUMIDITY...WHICH IS IN EFFECT FROM THURSDAY EVENING THROUGH  SATURDAY EVENING.    * WINDS...NORTHEAST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH IN THE    FAVORED RIDGES AND CANYONS AND 15 TO 25 MPH WITH GUSTS TO 35 MPH    ELSEWHERE.    * TIMING...WINDS WILL INCREASE THURSDAY NIGHT AND PEAK MIDDAY    FRIDAY AND THEN PERSIST THROUGH SATURDAY.    * RELATIVE HUMIDITY...MID TEENS FRIDAY AND SINGLE DIGITS SATURDAY    WITH POOR OVERNIGHT RECOVERY.    * TEMPERATURES...5 TO 10 DEGREES ABOVE SEASONAL NORMAL...UPPER 70S    TO MID 80S IN THE MOUNTAINS TO UPPER 80S TO LOWER 90S IN THE    VALLEYS AND MID 70S NEAR THE BEACHES.    * IMPACTS...IF FIRE IGNITION OCCURS THERE COULD BE RAPID SPREAD    OF WILDFIRE THAT WOULD LEAD TO A THREAT TO LIFE AND PROPERTY.    PRECAUTIONARY/PREPAREDNESS ACTIONS...    A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  ARE FORECAST TO OCCUR. PLEASE ADVISE THE APPROPRIATE OFFICIALS OR  FIRE CREWS IN THE FIELD OF THIS FIRE WEATHER WATCH. LISTEN FOR  LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS.    &&    $$

URGENT - FIRE WEATHER MESSAGE  NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA  235 PM PDT MON SEP 30 2013    ...FIRE WEATHER WATCH IS IN EFFECT THURSDAY EVENING THROUGH  SATURDAY EVENING FOR MODERATE SANTA ANA WINDS AND VERY LOW  HUMIDITY FOR VENTURA COUNTY AND LOS ANGELES COUNTY EXCLUDING  ANTELOPE VALLEY...    .CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED AS MODERATE SANTA  ANA WINDS COMBINE WITH VERY LOW RELATIVE HUMIDITY THURSDAY EVENING  THROUGH SATURDAY EVENING AND A FIRE WEATHER WATCH IS IN EFFECT.  CONFIDENCE IS RELATIVELY HIGH AS A RIDGE OF HIGH PRESSURE BUILDS  INTO THE GREAT BASIN THURSDAY NIGHT THROUGH FRIDAY AND THEN SHIFTS  EAST WHILE WEAKENING SATURDAY. THE SANTA ANA WINDS ARE EXPECTED  PEAK FRIDAY MIDDAY AND THEN PERSIST WHILE WEAKENING FRIDAY  AFTERNOON THROUGH SATURDAY. TEMPERATURES WILL RANGE 5 TO 10  DEGREES ABOVE NORMAL WITH POOR TO MODERATE RELATIVE HUMIDITY  RECOVERY. RELATIVE HUMIDITY IS EXPECTED TO FALL SHARPLY INTO THE  MID TEENS FRIDAY MORNING AND BY SATURDAY WIDESPREAD SINGLE DIGIT  HUMIDITY WILL EXTEND FROM THE HIGHER ELEVATIONS TO THE LOWER  ELEVATIONS.    CAZ241-246-254-288-547-548-011700-  /O.NEW.KLOX.FW.A.0004.131004T0400Z-131006T0200Z/  LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES-  SANTA MONICA MOUNTAINS RECREATIONAL AREA-  LOS ANGELES COUNTY MOUNTAINS / ANGELES NATIONAL FOREST-  SANTA CLARITA VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY-  LOS ANGELES COUNTY SAN GABRIEL VALLEY-  235 PM PDT MON SEP 30 2013    ...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY EVENING THROUGH  SATURDAY EVENING FOR GUSTY SANTA ANA WINDS AND VERY LOW RELATIVE  HUMIDITY FOR LOS ANGELES COUNTY EXCLUDING ANTELOPE VALLEY...    THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A  FIRE WEATHER WATCH FOR GUSTY SANTA ANA WINDS AND VERY LOW RELATIVE  HUMIDITY...WHICH IS IN EFFECT FROM THURSDAY EVENING THROUGH  SATURDAY EVENING.    * WINDS...NORTHEAST 20 TO 30 MPH WITH GUSTS UP TO 50 MPH IN THE    FAVORED RIDGES AND CANYONS AND 15 TO 25 MPH WITH GUSTS TO 35 MPH    ELSEWHERE.    * TIMING...WINDS WILL INCREASE THURSDAY NIGHT AND PEAK MIDDAY    FRIDAY AND THEN PERSIST THROUGH SATURDAY.    * RELATIVE HUMIDITY...MID TEENS FRIDAY AND SINGLE DIGITS SATURDAY    WITH POOR OVERNIGHT RECOVERY.    * TEMPERATURES...5 TO 10 DEGREES ABOVE SEASONAL NORMAL...UPPER 70S    TO MID 80S IN THE MOUNTAINS TO UPPER 80S TO LOWER 90S IN THE    VALLEYS AND MID 70S NEAR THE BEACHES.    * IMPACTS...IF FIRE IGNITION OCCURS THERE COULD BE RAPID SPREAD    OF WILDFIRE THAT WOULD LEAD TO A THREAT TO LIFE AND PROPERTY.    PRECAUTIONARY/PREPAREDNESS ACTIONS...    A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  ARE FORECAST TO OCCUR. PLEASE ADVISE THE APPROPRIATE OFFICIALS OR  FIRE CREWS IN THE FIELD OF THIS FIRE WEATHER WATCH. LISTEN FOR  LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS.  
Source: NWS Los Angeles/Oxnard



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