Tuesday, April 30, 2013

[californiadisasters] Red Flag Warnings - SoCal (4/30/13-AM)



...RED FLAG WARNING IN EFFECT FROM 5 AM WEDNESDAY UNTIL 5 PM PDT  THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE  MOUNTAINS OF VENTURA AND LOS ANGELES COUNTIES...THE VENTURA  VALLEYS AS WELL AS THE SANTA CLARITA AND SAN FERNANDO VALLEYS...    ...RED FLAG WARNING IN EFFECT FROM 8 PM WEDNESDAY UNTIL 5 PM PDT  THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE SANTA  MONICA MOUNTAINS...    .SURFACE HIGH PRESSURE WILL BUILD ACROSS THE GREAT BASIN ON  WEDNESDAY SETTING THE STAGE FOR AN EXTENDED PERIOD OF WARM AND  DRY OFFSHORE FLOW. GUSTY NORTHEAST WINDS ARE EXPECTED TO DEVELOP  ACROSS THE MOUNTAINS OF VENTURA AND LOS ANGELES COUNTIES LATE  TUESDAY NIGHT...THEN WILL FILTER DOWN INTO THE VALLEYS DURING THE  DAY ON WEDNESDAY. INITIALLY...THE VALLEY WINDS WILL BE CONFINED  TO THE FOOTHILL REGIONS BORDERING THE VENTURA AND LA MOUNTAINS  SUCH AS PORTER RANCH...SAUGUS...AND EASTERN SIMI VALLEY DUE TO A  LINGERING MARINE INVERSION WHICH WILL DELAY THE ONSET OF GUSTY  WINDS AND LOW HUMIDITIES. FOR THE REMAINDER OF THE VALLEYS AS WELL  AS THE SANTA MONICA MOUNTAINS RED FLAG CONDITIONS ARE EXPECTED TO  OCCUR BY WEDNESDAY EVENING. AS THE WINDS DEVELOP...RELATIVE  HUMIDITY WILL BEGIN TO FALL DRAMATICALLY...QUICKLY DROPPING INTO  THE TEENS AND SINGLE DIGITS WITH POOR OVERNIGHT RECOVERIES.    THE EXPECTED COMBINATION OF GUSTY NORTHEAST WINDS...VERY LOW  RELATIVE HUMIDITY AND HIGH TEMPERATURES...WILL PRODUCE AN EXTENDED  PERIOD OF CRITICAL FIRE WEATHER CONDITIONS. WINDS ARE EXPECTED TO  BE MUCH WEAKER ON FRIDAY...HOWEVER TEMPERATURES WILL BE HOTTER  AND SINGLE DIGIT HUMIDITIES ARE EXPECTED TO CONTINUE. AS A  RESULT...CRITICAL FIRE WEATHER CONDITIONS MAY CONTINUE INTO THE  DAY ON FRIDAY AND MAY REQUIRE THE EXTENSION OF THE RED FLAG  WARNINGS OVER PART OR ALL OF THE AREA CURRENTLY INCLUDED IN THE  WARNING.    CAZ288-010115-  /O.UPG.KLOX.FW.A.0001.130501T1200Z-130503T0000Z/  /O.NEW.KLOX.FW.W.0001.130501T1200Z-130503T0000Z/  SANTA CLARITA VALLEY-  1010 AM PDT TUE APR 30 2013    ...RED FLAG WARNING IN EFFECT FROM 5 AM WEDNESDAY TO 5 PM PDT  THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY IN THE SANTA  CLARITA VALLEY...    THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A  RED FLAG WARNING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY...WHICH  IS IN EFFECT FROM 5 AM WEDNESDAY TO 5 PM PDT THURSDAY. THE FIRE  WEATHER WATCH IS NO LONGER IN EFFECT.    * WINDS...NORTHEAST 20 TO 30 MPH WITH GUSTS TO 45 MPH.    * TIMING...NORTHEAST WINDS WILL INCREASE EARLY WEDNESDAY MORNING    AND CONTINUE THROUGH THURSDAY AFTERNOON WITH A SLIGHT DECREASE    IN SPEEDS POSSIBLE LATE WEDNESDAY AFTERNOON AND EVENING.    * RELATIVE HUMIDITY...RELATIVE HUMIDITY WILL FALL INTO THE    SINGLE DIGITS AND LOW TEENS ON WEDNESDAY AND THURSDAY WITH    LITTLE OR NO RECOVERY WEDNESDAY NIGHT.    * TEMPERATURES...DAYTIME READINGS IN THE LOW TO MID 90S...WITH    ISOLATED AREAS NEAR 100 POSSIBLE. OVERNIGHT LOWS IN THE UPPER    50S AND 60S.    * IMPACTS...IF FIRE IGNITION OCCURS...THERE COULD BE RAPID    SPREAD OF WILDFIRE THAT WOULD LEAD TO A THREAT OF LIFE AND    PROPERTY.    PRECAUTIONARY/PREPAREDNESS ACTIONS...    A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF  STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL  CREATE EXTREME FIRE BEHAVIOR. PLEASE ADVISE THE APPROPRIATE  OFFICIALS OR FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.    &&    $$

URGENT - FIRE WEATHER MESSAGE  NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA  1010 AM PDT TUE APR 30 2013    ...RED FLAG WARNING IN EFFECT FROM 5 AM WEDNESDAY UNTIL 5 PM PDT  THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE  MOUNTAINS OF VENTURA AND LOS ANGELES COUNTIES...THE VENTURA  VALLEYS AS WELL AS THE SANTA CLARITA AND SAN FERNANDO VALLEYS...    ...RED FLAG WARNING IN EFFECT FROM 8 PM WEDNESDAY UNTIL 5 PM PDT  THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE SANTA  MONICA MOUNTAINS...    .SURFACE HIGH PRESSURE WILL BUILD ACROSS THE GREAT BASIN ON  WEDNESDAY SETTING THE STAGE FOR AN EXTENDED PERIOD OF WARM AND  DRY OFFSHORE FLOW. GUSTY NORTHEAST WINDS ARE EXPECTED TO DEVELOP  ACROSS THE MOUNTAINS OF VENTURA AND LOS ANGELES COUNTIES LATE  TUESDAY NIGHT...THEN WILL FILTER DOWN INTO THE VALLEYS DURING THE  DAY ON WEDNESDAY. INITIALLY...THE VALLEY WINDS WILL BE CONFINED  TO THE FOOTHILL REGIONS BORDERING THE VENTURA AND LA MOUNTAINS  SUCH AS PORTER RANCH...SAUGUS...AND EASTERN SIMI VALLEY DUE TO A  LINGERING MARINE INVERSION WHICH WILL DELAY THE ONSET OF GUSTY  WINDS AND LOW HUMIDITIES. FOR THE REMAINDER OF THE VALLEYS AS WELL  AS THE SANTA MONICA MOUNTAINS RED FLAG CONDITIONS ARE EXPECTED TO  OCCUR BY WEDNESDAY EVENING. AS THE WINDS DEVELOP...RELATIVE  HUMIDITY WILL BEGIN TO FALL DRAMATICALLY...QUICKLY DROPPING INTO  THE TEENS AND SINGLE DIGITS WITH POOR OVERNIGHT RECOVERIES.    THE EXPECTED COMBINATION OF GUSTY NORTHEAST WINDS...VERY LOW  RELATIVE HUMIDITY AND HIGH TEMPERATURES...WILL PRODUCE AN EXTENDED  PERIOD OF CRITICAL FIRE WEATHER CONDITIONS. WINDS ARE EXPECTED TO  BE MUCH WEAKER ON FRIDAY...HOWEVER TEMPERATURES WILL BE HOTTER  AND SINGLE DIGIT HUMIDITIES ARE EXPECTED TO CONTINUE. AS A  RESULT...CRITICAL FIRE WEATHER CONDITIONS MAY CONTINUE INTO THE  DAY ON FRIDAY AND MAY REQUIRE THE EXTENSION OF THE RED FLAG  WARNINGS OVER PART OR ALL OF THE AREA CURRENTLY INCLUDED IN THE  WARNING.    CAZ547-010115-  /O.UPG.KLOX.FW.A.0001.130501T1200Z-130503T0000Z/  /O.NEW.KLOX.FW.W.0001.130501T1200Z-130503T0000Z/  LOS ANGELES COUNTY SAN FERNANDO VALLEY-  1010 AM PDT TUE APR 30 2013    ...RED FLAG WARNING IN EFFECT FROM 5 AM WEDNESDAY TO 5 PM PDT  THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE SAN  FERNANDO VALLEY...    THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A  RED FLAG WARNING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY...WHICH  IS IN EFFECT FROM 5 AM WEDNESDAY TO 5 PM PDT THURSDAY. THE FIRE  WEATHER WATCH IS NO LONGER IN EFFECT.    * WINDS...NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH.    STRONGEST IN THE NORTHERN AND WESTERN VALLEY AREAS AND    FOOTHILLS.    * TIMING...NORTHEAST WINDS WILL INCREASE WEDNESDAY    MORNING...INITIALLY JUST IN THE NORTHERN VALLEY AREAS NEAR THE    FOOTHILLS...SUCH AS PORTER RANCH...THEN SPREADING SOUTH INTO THE    VALLEY AREAS INCLUDING CHATSWORTH...NORTHRIDGE...AND WOODLAND    HILLS DURING THE DAY AND INTO WEDNESDAY EVENING. GUSTY WINDS    WILL CONTINUE THROUGH THURSDAY AFTERNOON.    * RELATIVE HUMIDITY...RELATIVE HUMIDITY WILL FALL INTO THE    SINGLE DIGITS AND LOW TEENS ON WEDNESDAY AND THURSDAY WITH    LITTLE OR NO RECOVERY WEDNESDAY NIGHT.    * TEMPERATURES...DAYTIME READINGS IN THE 90S WITH ISOLATED AREAS    NEAR 100 POSSIBLE. OVERNIGHT LOWS IN THE 50S AND 60S...WITH    ISOLATED LOWER 70S POSSIBLE IN THE WINDY AREAS.    * IMPACTS...IF FIRE IGNITION OCCURS...THERE COULD BE RAPID    SPREAD OF WILDFIRE THAT WOULD LEAD TO A THREAT OF LIFE AND    PROPERTY.    PRECAUTIONARY/PREPAREDNESS ACTIONS...    A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF  STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL  CREATE EXTREME FIRE BEHAVIOR. PLEASE ADVISE THE APPROPRIATE  OFFICIALS OR FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.    &&    $$

URGENT - FIRE WEATHER MESSAGE  NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA  1010 AM PDT TUE APR 30 2013    ...RED FLAG WARNING IN EFFECT FROM 5 AM WEDNESDAY UNTIL 5 PM PDT  THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE  MOUNTAINS OF VENTURA AND LOS ANGELES COUNTIES...THE VENTURA  VALLEYS AS WELL AS THE SANTA CLARITA AND SAN FERNANDO VALLEYS...    ...RED FLAG WARNING IN EFFECT FROM 8 PM WEDNESDAY UNTIL 5 PM PDT  THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE SANTA  MONICA MOUNTAINS...    .SURFACE HIGH PRESSURE WILL BUILD ACROSS THE GREAT BASIN ON  WEDNESDAY SETTING THE STAGE FOR AN EXTENDED PERIOD OF WARM AND  DRY OFFSHORE FLOW. GUSTY NORTHEAST WINDS ARE EXPECTED TO DEVELOP  ACROSS THE MOUNTAINS OF VENTURA AND LOS ANGELES COUNTIES LATE  TUESDAY NIGHT...THEN WILL FILTER DOWN INTO THE VALLEYS DURING THE  DAY ON WEDNESDAY. INITIALLY...THE VALLEY WINDS WILL BE CONFINED  TO THE FOOTHILL REGIONS BORDERING THE VENTURA AND LA MOUNTAINS  SUCH AS PORTER RANCH...SAUGUS...AND EASTERN SIMI VALLEY DUE TO A  LINGERING MARINE INVERSION WHICH WILL DELAY THE ONSET OF GUSTY  WINDS AND LOW HUMIDITIES. FOR THE REMAINDER OF THE VALLEYS AS WELL  AS THE SANTA MONICA MOUNTAINS RED FLAG CONDITIONS ARE EXPECTED TO  OCCUR BY WEDNESDAY EVENING. AS THE WINDS DEVELOP...RELATIVE  HUMIDITY WILL BEGIN TO FALL DRAMATICALLY...QUICKLY DROPPING INTO  THE TEENS AND SINGLE DIGITS WITH POOR OVERNIGHT RECOVERIES.    THE EXPECTED COMBINATION OF GUSTY NORTHEAST WINDS...VERY LOW  RELATIVE HUMIDITY AND HIGH TEMPERATURES...WILL PRODUCE AN EXTENDED  PERIOD OF CRITICAL FIRE WEATHER CONDITIONS. WINDS ARE EXPECTED TO  BE MUCH WEAKER ON FRIDAY...HOWEVER TEMPERATURES WILL BE HOTTER  AND SINGLE DIGIT HUMIDITIES ARE EXPECTED TO CONTINUE. AS A  RESULT...CRITICAL FIRE WEATHER CONDITIONS MAY CONTINUE INTO THE  DAY ON FRIDAY AND MAY REQUIRE THE EXTENSION OF THE RED FLAG  WARNINGS OVER PART OR ALL OF THE AREA CURRENTLY INCLUDED IN THE  WARNING.    CAZ244-245-010115-  /O.UPG.KLOX.FW.A.0001.130501T1200Z-130503T0000Z/  /O.NEW.KLOX.FW.W.0001.130501T1200Z-130503T0000Z/  VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-  1010 AM PDT TUE APR 30 2013    ...RED FLAG WARNING IN EFFECT FROM 5 AM WEDNESDAY TO 5 PM PDT  THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE VENTURA  COUNTY VALLEYS...    THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A  RED FLAG WARNING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY...WHICH  IS IN EFFECT FROM 5 AM WEDNESDAY TO 5 PM PDT THURSDAY. THE FIRE  WEATHER WATCH IS NO LONGER IN EFFECT.    * WINDS...NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS BETWEEN 35 AND    45 MPH. STRONGEST IN THE SANTA CLARA...SIMI...AND CONEJO    VALLEYS.    * TIMING...NORTHEAST WINDS WILL INCREASE WEDNESDAY    MORNING...INITIALLY JUST IN THE EASTERN COUNTY AREAS SUCH AS    SIMI VALLEY AND PIRU AREAS...THEN SPREADING SOUTH AND SOUTHWEST    INTO SANTA PAULA...FILLMORE...MOORPARK AND THE CONEJO VALLEY    DURING THE DAY AND INTO WEDNESDAY EVENING. GUSTY WINDS WILL    CONTINUE THROUGH THURSDAY AFTERNOON.    * RELATIVE HUMIDITY...RELATIVE HUMIDITY WILL FALL INTO THE    SINGLE DIGITS AND LOW TEENS ON WEDNESDAY AND THURSDAY WITH    LITTLE OR NO RECOVERY WEDNESDAY NIGHT.    * TEMPERATURES...DAYTIME READINGS IN THE UPPER 80S AND 90S WITH    ISOLATED AREAS NEAR 100 POSSIBLE. OVERNIGHT LOWS IN THE 50S AND    60S...WITH ISOLATED AREAS IN THE 70S WHERE IT REMAINS WINDY.    * IMPACTS...IF FIRE IGNITION OCCURS...THERE COULD BE RAPID    SPREAD OF WILDFIRE THAT WOULD LEAD TO A THREAT OF LIFE AND    PROPERTY.    PRECAUTIONARY/PREPAREDNESS ACTIONS...    A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF  STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL  CREATE EXTREME FIRE BEHAVIOR. PLEASE ADVISE THE APPROPRIATE  OFFICIALS OR FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.    &&    $$

URGENT - FIRE WEATHER MESSAGE  NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA  1010 AM PDT TUE APR 30 2013    ...RED FLAG WARNING IN EFFECT FROM 5 AM WEDNESDAY UNTIL 5 PM PDT  THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE  MOUNTAINS OF VENTURA AND LOS ANGELES COUNTIES...THE VENTURA  VALLEYS AS WELL AS THE SANTA CLARITA AND SAN FERNANDO VALLEYS...    ...RED FLAG WARNING IN EFFECT FROM 8 PM WEDNESDAY UNTIL 5 PM PDT  THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE SANTA  MONICA MOUNTAINS...    .SURFACE HIGH PRESSURE WILL BUILD ACROSS THE GREAT BASIN ON  WEDNESDAY SETTING THE STAGE FOR AN EXTENDED PERIOD OF WARM AND  DRY OFFSHORE FLOW. GUSTY NORTHEAST WINDS ARE EXPECTED TO DEVELOP  ACROSS THE MOUNTAINS OF VENTURA AND LOS ANGELES COUNTIES LATE  TUESDAY NIGHT...THEN WILL FILTER DOWN INTO THE VALLEYS DURING THE  DAY ON WEDNESDAY. INITIALLY...THE VALLEY WINDS WILL BE CONFINED  TO THE FOOTHILL REGIONS BORDERING THE VENTURA AND LA MOUNTAINS  SUCH AS PORTER RANCH...SAUGUS...AND EASTERN SIMI VALLEY DUE TO A  LINGERING MARINE INVERSION WHICH WILL DELAY THE ONSET OF GUSTY  WINDS AND LOW HUMIDITIES. FOR THE REMAINDER OF THE VALLEYS AS WELL  AS THE SANTA MONICA MOUNTAINS RED FLAG CONDITIONS ARE EXPECTED TO  OCCUR BY WEDNESDAY EVENING. AS THE WINDS DEVELOP...RELATIVE  HUMIDITY WILL BEGIN TO FALL DRAMATICALLY...QUICKLY DROPPING INTO  THE TEENS AND SINGLE DIGITS WITH POOR OVERNIGHT RECOVERIES.    THE EXPECTED COMBINATION OF GUSTY NORTHEAST WINDS...VERY LOW  RELATIVE HUMIDITY AND HIGH TEMPERATURES...WILL PRODUCE AN EXTENDED  PERIOD OF CRITICAL FIRE WEATHER CONDITIONS. WINDS ARE EXPECTED TO  BE MUCH WEAKER ON FRIDAY...HOWEVER TEMPERATURES WILL BE HOTTER  AND SINGLE DIGIT HUMIDITIES ARE EXPECTED TO CONTINUE. AS A  RESULT...CRITICAL FIRE WEATHER CONDITIONS MAY CONTINUE INTO THE  DAY ON FRIDAY AND MAY REQUIRE THE EXTENSION OF THE RED FLAG  WARNINGS OVER PART OR ALL OF THE AREA CURRENTLY INCLUDED IN THE  WARNING.    CAZ253-254-010115-  /O.UPG.KLOX.FW.A.0001.130501T1200Z-130503T0000Z/  /O.NEW.KLOX.FW.W.0001.130501T1200Z-130503T0000Z/  VENTURA COUNTY MOUNTAINS / LOS PADRES NATIONAL FOREST-  LOS ANGELES COUNTY MOUNTAINS / ANGELES NATIONAL FOREST-  1010 AM PDT TUE APR 30 2013    ...RED FLAG WARNING IN EFFECT FROM 5 AM WEDNESDAY TO 5 PM PDT  THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE  MOUNTAINS OF VENTURA AND LOS ANGELES COUNTIES...    THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A  RED FLAG WARNING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY...WHICH  IS IN EFFECT FROM 5 AM WEDNESDAY TO 5 PM PDT THURSDAY. THE FIRE  WEATHER WATCH IS NO LONGER IN EFFECT.    * WINDS...NORTHEAST 20 TO 30 MPH WITH GUSTS TO 55 MPH.    * TIMING...NORTHEAST WINDS WILL INCREASE AFTER MIDNIGHT    TONIGHT...AND PEAK WEDNESDAY MORNING. AFTER A BIT OF A LULL    WEDNESDAY AFTERNOON AND EVENING...THE WINDS WILL INCREASE YET    AGAIN WEDNESDAY NIGHT AND THURSDAY MORNING.    * RELATIVE HUMIDITY...RELATIVE HUMIDITY WILL FALL INTO THE    SINGLE DIGITS AND LOW TEENS ON WEDNESDAY AND THURSDAY WITH    LITTLE OR NO RECOVERY WEDNESDAY NIGHT.    * TEMPERATURES...DAYTIME READINGS IN THE MID 80S TO MID 90S AT    LOWER ELEVATIONS TO THE 70S TO LOWER 80S AT HIGHER ELEVATIONS.    OVERNIGHT LOWS IN THE 50S AND 60S.    * IMPACTS...IF FIRE IGNITION OCCURS...THERE COULD BE RAPID    SPREAD OF WILDFIRE THAT WOULD LEAD TO A THREAT OF LIFE AND    PROPERTY.    PRECAUTIONARY/PREPAREDNESS ACTIONS...    A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF  STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL  CREATE EXTREME FIRE BEHAVIOR. PLEASE ADVISE THE APPROPRIATE  OFFICIALS OR FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.    &&    $$

URGENT - FIRE WEATHER MESSAGE  NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA  1010 AM PDT TUE APR 30 2013    ...RED FLAG WARNING IN EFFECT FROM 5 AM WEDNESDAY UNTIL 5 PM PDT  THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE  MOUNTAINS OF VENTURA AND LOS ANGELES COUNTIES...THE VENTURA  VALLEYS AS WELL AS THE SANTA CLARITA AND SAN FERNANDO VALLEYS...    ...RED FLAG WARNING IN EFFECT FROM 8 PM WEDNESDAY UNTIL 5 PM PDT  THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE SANTA  MONICA MOUNTAINS...    .SURFACE HIGH PRESSURE WILL BUILD ACROSS THE GREAT BASIN ON  WEDNESDAY SETTING THE STAGE FOR AN EXTENDED PERIOD OF WARM AND  DRY OFFSHORE FLOW. GUSTY NORTHEAST WINDS ARE EXPECTED TO DEVELOP  ACROSS THE MOUNTAINS OF VENTURA AND LOS ANGELES COUNTIES LATE  TUESDAY NIGHT...THEN WILL FILTER DOWN INTO THE VALLEYS DURING THE  DAY ON WEDNESDAY. INITIALLY...THE VALLEY WINDS WILL BE CONFINED  TO THE FOOTHILL REGIONS BORDERING THE VENTURA AND LA MOUNTAINS  SUCH AS PORTER RANCH...SAUGUS...AND EASTERN SIMI VALLEY DUE TO A  LINGERING MARINE INVERSION WHICH WILL DELAY THE ONSET OF GUSTY  WINDS AND LOW HUMIDITIES. FOR THE REMAINDER OF THE VALLEYS AS WELL  AS THE SANTA MONICA MOUNTAINS RED FLAG CONDITIONS ARE EXPECTED TO  OCCUR BY WEDNESDAY EVENING. AS THE WINDS DEVELOP...RELATIVE  HUMIDITY WILL BEGIN TO FALL DRAMATICALLY...QUICKLY DROPPING INTO  THE TEENS AND SINGLE DIGITS WITH POOR OVERNIGHT RECOVERIES.    THE EXPECTED COMBINATION OF GUSTY NORTHEAST WINDS...VERY LOW  RELATIVE HUMIDITY AND HIGH TEMPERATURES...WILL PRODUCE AN EXTENDED  PERIOD OF CRITICAL FIRE WEATHER CONDITIONS. WINDS ARE EXPECTED TO  BE MUCH WEAKER ON FRIDAY...HOWEVER TEMPERATURES WILL BE HOTTER  AND SINGLE DIGIT HUMIDITIES ARE EXPECTED TO CONTINUE. AS A  RESULT...CRITICAL FIRE WEATHER CONDITIONS MAY CONTINUE INTO THE  DAY ON FRIDAY AND MAY REQUIRE THE EXTENSION OF THE RED FLAG  WARNINGS OVER PART OR ALL OF THE AREA CURRENTLY INCLUDED IN THE  WARNING.    CAZ246-010115-  /O.UPG.KLOX.FW.A.0001.130502T1200Z-130503T0000Z/  /O.NEW.KLOX.FW.W.0001.130502T0300Z-130503T0000Z/  SANTA MONICA MOUNTAINS RECREATIONAL AREA-  1010 AM PDT TUE APR 30 2013    ...RED FLAG WARNING IN EFFECT FROM 8 PM WEDNESDAY TO 5 PM PDT  THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE SANTA  MONICA MOUNTAINS...    THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A  RED FLAG WARNING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY...WHICH IS  IN EFFECT FROM 8 PM WEDNESDAY TO 5 PM PDT THURSDAY. THE FIRE  WEATHER WATCH IS NO LONGER IN EFFECT.    * WINDS...NORTH TO NORTHEAST 20 TO 30 MPH WITH GUSTS TO 50 MPH.    ISOLATED GUSTS TO 65 MPH OVER THE WESTERN PEAKS SUCH AS LAGUNA    PEAK.    * TIMING...NORTH TO NORTHEAST WINDS WILL INCREASE DURING THE DAY    WEDNESDAY AND WEDNESDAY NIGHT...PEAKING LATE WEDNESDAY NIGHT    AND THURSDAY MORNING...THEN DIMINISHING THURSDAY AFTERNOON AND    EVENING.    * RELATIVE HUMIDITY...RELATIVE HUMIDITY WILL FALL INTO THE SINGLE    DIGITS AND LOW TEENS WEDNESDAY EVENING AND CONTINUE THROUGH    FRIDAY.    * TEMPERATURES...DAYTIME READINGS IN THE UPPER 80S AND 90S.    OVERNIGHT LOWS IN THE 60S AND LOWER 70S.    * IMPACTS...IF FIRE IGNITION OCCURS...THERE COULD BE RAPID    SPREAD OF WILDFIRE THAT WOULD LEAD TO A THREAT OF LIFE AND    PROPERTY.    PRECAUTIONARY/PREPAREDNESS ACTIONS...    A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF  STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL  CREATE EXTREME FIRE BEHAVIOR. PLEASE ADVISE THE APPROPRIATE  OFFICIALS OR FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.    &&    $$    MW

URGENT - FIRE WEATHER MESSAGE  NATIONAL WEATHER SERVICE SAN DIEGO CA  1018 AM PDT TUE APR 30 2013      ...A RED FLAG WARNING HAS BEEN ISSUED FOR THE SAN BERNARDINO  COUNTY MOUNTAINS...THE INLAND EMPIRE...AND THE MOUNTAIN TOP AND  FRONT COUNTRY RANGER DISTRICTS OF THE SAN BERNARDINO NATIONAL  FOREST...BEGINNING 8 AM WEDNESDAY MORNING AND CONTINUING THROUGH  5 PM THURSDAY AFTERNOON FOR VERY LOW RELATIVE HUMIDITY AND  MODERATE SANTA ANA WINDS...    ...FIRE WEATHER WATCH CONTINUES FOR ORANGE COUNTY COASTAL  AREAS...THE RIVERSIDE COUNTY MOUNTAINS... THE SAN JACINTO RANGER  DISTRICT OF THE SAN BERNARDINO NATIONAL FOREST...THE SANTA ANA  MOUNTAINS...AND THE SAN DIEGO COUNTY MOUNTAINS...INCLUDING ALL  RANGER DISTRICTS OF THE CLEVELAND NATIONAL FOREST...BEGINNING 5 AM  THURSDAY MORNING AND CONTINUING THROUGH 5 PM THURSDAY  AFTERNOON...FOR VERY LOW RELATIVE HUMIDITY AND MODERATE SANTA ANA  WINDS...    ...THE FIRE WEATHER WATCH FOR THE SAN DIEGO COUNTY INLAND VALLEYS  HAS BEEN CANCELLED...DURATION OF SIX HOURS OR MORE OF BOTH  RELATIVE HUMIDITY BELOW 15 PERCENT AND WIND GUSTS OVER 35 MPH ARE  NO LONGER EXPECTED TO BE MET.    .TONIGHT INTO FRIDAY...A WEAK TO MODERATE SANTA ANA WEATHER  PATTERN DEVELOPS FOLLOWING THE PASSAGE OF A STRONG UPPER LEVEL  TROUGH. RED FLAG CONDITIONS...WINDS GUSTING OVER 35 MPH AND  RELATIVE HUMIDITY BELOW 15 PERCENT... EXPECTED TO MET AS EARLY AS  8 AM WEDNESDAY MORNING FOR THE SAN BERNARDINO COUNTY MOUNTAINS AND  INLAND EMPIRE...BUT NOT UNTIL EARLY THURSDAY MORNING FOR REMAINING  MOUNTAINS AND EASTERN HALF OF ORANGE COUNTY.    BY THURSDAY EVENING...THE SANTA ANA WIND GUSTS SHOULD DIMINISH TO  25 MPH OR LESS...BUT VERY DRY AND WARM CONDITIONS WILL PREVAIL  THROUGH FRIDAY ACROSS ALL OF SOUTHWEST CALIFORNIA.    CAZ248-255-010630-  /O.UPG.KSGX.FW.A.0002.130501T1200Z-130503T0000Z/  /O.NEW.KSGX.FW.W.0002.130501T1500Z-130503T0000Z/  SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-  SAN BERNARDINO COUNTY MOUNTAINS-  INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF  THE SAN BERNARDINO NATIONAL FOREST-  1018 AM PDT TUE APR 30 2013    ...RED FLAG WARNING IN EFFECT FROM 8 AM WEDNESDAY TO 5 PM PDT  THURSDAY FOR NORTHEAST WINDS GUSTING OVER 35 MPH AND RELATIVE  HUMIDITY BELOW 15 PERCENT...    THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A RED FLAG  WARNING FOR STRONG GUSTY WINDS AND LOW HUMIDITY...WHICH IS IN  EFFECT FROM 8 AM WEDNESDAY TO 5 PM PDT THURSDAY. THE FIRE WEATHER  WATCH IS NO LONGER IN EFFECT.    * WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS 40 TO 60 MPH.    * RELATIVE HUMIDITY...MINIMUM RELATIVE HUMIDITY AROUND 5 PERCENT    WITH VERY POOR OVERNIGHT RECOVERY.    * TEMPERATURES...10 TO 15 DEGREES ABOVE NORMAL WITH HIGHS IN THE    MID 80S TO MID 90S.    * TIMING...8 AM PDT WEDNESDAY MORNING THROUGH 5 PM THURSDAY    AFTERNOON.    * OUTLOOK...VERY LOW RELATIVE HUMIDITY AND VERY WARM TEMPERATURES    WILL CONTINUE INTO FRIDAY...HOWEVER WIND GUSTS SHOULD DIMINISH    BELOW 25 MPH FOR MOST AREAS BY LATE THURSDAY AFTERNOON.    PRECAUTIONARY/PREPAREDNESS ACTIONS...    A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF  STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL  CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.
Source: NWS Los Angeles/Oxnard


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