Saturday, October 5, 2013

[californiadisasters] Santa Ana Wind Red Flag Warnings (10/04/13-PM)



...RED FLAG WARNING IN EFFECT THROUGH SUNDAY EVENING FOR STRONG  SANTA ANA WINDS AND VERY LOW HUMIDITY FOR VENTURA COUNTY AND LOS  ANGELES COUNTY EXCLUDING ANTELOPE VALLEY...    ...RED FLAG WARNING IN EFFECT FROM THIS EVENING THROUGH SUNDAY  AFTERNOON FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY  FOR THE MOUNTAINS OF SANTA BARBARA AND SAN LUIS OBISPO COUNTIES...    .CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THROUGH SUNDAY  EVENING AND A RED FLAG WARNING IS IN EFFECT FOR VENTURA COUNTY AND  LOS ANGELES COUNTY EXCLUDING THE ANTELOPE VALLEY. A STRONG SANTA  ANA WIND EVENT WILL DEVELOP OVER THE AREA THROUGH SATURDAY  AFTERNOON BEFORE WEAKENING SATURDAY NIGHT AND SUNDAY...BRINGING  THE MOST SIGNIFICANT FIRE WEATHER THREAT IN THE PAST 5 YEARS. THE  PEAK WINDS WILL OCCUR OVERNIGHT TONIGHT THROUGH EARLY SATURDAY  AFTERNOON. SINGLE DIGIT HUMIDITIES WILL BE COMMONPLACE THROUGH  SUNDAY WITH VERY MINIMAL OVERNIGHT RECOVERY. THE SANTA ANA WINDS  WILL DIMINISH SATURDAY NIGHT THROUGH SUNDAY MORNING AND TRANSITION  TO ONSHORE SUNDAY AFTERNOON. CHAOTIC WINDS ARE EXPECTED AND  RELATIVE HUMIDITY WILL BE SLOW TO RECOVER DURING THE TRANSITION  AND CRITICAL FIRE WEATHER CONDITIONS WILL PERSIST. TEMPERATURES  WILL RANGE 10 TO 20 DEGREES ABOVE NORMAL THROUGH THE PERIOD WITH  THE WARMEST DAY FOR COASTAL AREAS ON SATURDAY WHILE INLAND AREAS  EXPERIENCE THEIR WARMEST DAY ON SUNDAY.    A RED FLAG WARNING HAS ALSO BEEN ISSUED FOR THE MOUNTAINS OF  SANTA BARBARA AND SAN LUIS OBISPO COUNTIES TONIGHT THROUGH SUNDAY  AS EASTERLY WINDS INCREASE THERE WITH HUMIDITIES IN THE TEENS AND  SINGLE DIGITS. AT LOWER ELEVATIONS WINDS ARE NOT EXPECTED TO BE  QUITE AS STRONG THOUGH HUMIDITIES NEAR 10 PERCENT ARE STILL  EXPECTED. OVERNIGHT HUMIDITY RECOVERIES WILL BE POOR IN ALL AREAS  EXCEPT THOSE CLOSEST TO THE BEACHES.    CAZ251-252-051700-  /O.CON.KLOX.FW.W.0005.131005T0200Z-131007T0100Z/  SAN LUIS OBISPO COUNTY MOUNTAINS / LOS PADRES NATIONAL FOREST-  SANTA BARBARA COUNTY MOUNTAINS-  311 PM PDT FRI OCT 4 2013    ...RED FLAG WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO  6 PM PDT SUNDAY FOR GUSTY EAST WINDS AND VERY LOW RELATIVE  HUMIDITY FOR THE MOUNTAINS OF SANTA BARBARA AND SAN LUIS OBISPO  COUNTIES...    * WINDS AND TIMING...EAST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.    THE STRONGEST WINDS ARE EXPECTED TONIGHT AND EARLY SATURDAY.    * RELATIVE HUMIDITY...WIDESPREAD 10 PERCENT OR LESS. VERY POOR    OVERNIGHT RECOVERIES.    * TEMPERATURES...MAXIMUM TEMPERATURES AROUND 80 TO LOWER 90S.    WARMEST SUNDAY.    * 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 RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF  STRONG WINDS...VERY LOW RELATIVE HUMIDITY...AND VERY 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  311 PM PDT FRI OCT 4 2013    ...RED FLAG WARNING IN EFFECT THROUGH SUNDAY EVENING FOR STRONG  SANTA ANA WINDS AND VERY LOW HUMIDITY FOR VENTURA COUNTY AND LOS  ANGELES COUNTY EXCLUDING ANTELOPE VALLEY...    ...RED FLAG WARNING IN EFFECT FROM THIS EVENING THROUGH SUNDAY  AFTERNOON FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY  FOR THE MOUNTAINS OF SANTA BARBARA AND SAN LUIS OBISPO COUNTIES...    .CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THROUGH SUNDAY  EVENING AND A RED FLAG WARNING IS IN EFFECT FOR VENTURA COUNTY AND  LOS ANGELES COUNTY EXCLUDING THE ANTELOPE VALLEY. A STRONG SANTA  ANA WIND EVENT WILL DEVELOP OVER THE AREA THROUGH SATURDAY  AFTERNOON BEFORE WEAKENING SATURDAY NIGHT AND SUNDAY...BRINGING  THE MOST SIGNIFICANT FIRE WEATHER THREAT IN THE PAST 5 YEARS. THE  PEAK WINDS WILL OCCUR OVERNIGHT TONIGHT THROUGH EARLY SATURDAY  AFTERNOON. SINGLE DIGIT HUMIDITIES WILL BE COMMONPLACE THROUGH  SUNDAY WITH VERY MINIMAL OVERNIGHT RECOVERY. THE SANTA ANA WINDS  WILL DIMINISH SATURDAY NIGHT THROUGH SUNDAY MORNING AND TRANSITION  TO ONSHORE SUNDAY AFTERNOON. CHAOTIC WINDS ARE EXPECTED AND  RELATIVE HUMIDITY WILL BE SLOW TO RECOVER DURING THE TRANSITION  AND CRITICAL FIRE WEATHER CONDITIONS WILL PERSIST. TEMPERATURES  WILL RANGE 10 TO 20 DEGREES ABOVE NORMAL THROUGH THE PERIOD WITH  THE WARMEST DAY FOR COASTAL AREAS ON SATURDAY WHILE INLAND AREAS  EXPERIENCE THEIR WARMEST DAY ON SUNDAY.    A RED FLAG WARNING HAS ALSO BEEN ISSUED FOR THE MOUNTAINS OF  SANTA BARBARA AND SAN LUIS OBISPO COUNTIES TONIGHT THROUGH SUNDAY  AS EASTERLY WINDS INCREASE THERE WITH HUMIDITIES IN THE TEENS AND  SINGLE DIGITS. AT LOWER ELEVATIONS WINDS ARE NOT EXPECTED TO BE  QUITE AS STRONG THOUGH HUMIDITIES NEAR 10 PERCENT ARE STILL  EXPECTED. OVERNIGHT HUMIDITY RECOVERIES WILL BE POOR IN ALL AREAS  EXCEPT THOSE CLOSEST TO THE BEACHES.    CAZ253-254-051700-  /O.CON.KLOX.FW.W.0005.000000T0000Z-131007T0100Z/  VENTURA COUNTY MOUNTAINS / LOS PADRES NATIONAL FOREST-  LOS ANGELES COUNTY MOUNTAINS / ANGELES NATIONAL FOREST-  311 PM PDT FRI OCT 4 2013    ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PDT SUNDAY FOR  STRONG NORTHEAST WINDS AND VERY LOW RELATIVE HUMIDITY FOR THE  VENTURA AND LOS ANGELES COUNTY MOUNTAINS...    * WINDS AND TIMING...NORTHEAST 30 TO 45 MPH WITH GUSTS UP TO 70    MPH...EXCEPT ISOLATED GUSTS TO 80 MPH ACROSS FAVORED LOCATIONS.    STRONGEST TONIGHT THROUGH EARLY SATURDAY AFTERNOON. WINDS    SATURDAY NIGHT INTO SUNDAY WILL BE WEAKER BUT GUSTS UP TO 45 MPH    ARE STILL EXPECTED.    * RELATIVE HUMIDITY...10 PERCENT OR LESS THROUGH SUNDAY WITH VERY    POOR OVERNIGHT RECOVERIES.    * 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 RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF  STRONG WINDS...VERY 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 SAN FRANCISCO BAY AREA  1117 AM PDT FRI OCT 4 2013    CAZ511-051300-  /O.CON.KMTR.FW.W.0005.000000T0000Z-131005T1300Z/  EAST BAY HILLS AND DIABLO RANGE-  1117 AM PDT FRI OCT 4 2013    ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM PDT SATURDAY FOR  FOR GUSTY WINDS AND LOW HUMIDITY FOR THE EAST BAY HILLS ABOVE  1000 FEET...    * AFFECTED AREA: FIRE ZONE 511 EAST BAY HILLS AND DIABLO RANGE.    THE HILLS OF CONTRA COSTA...ALAMEDA AND INTERIOR SANTA CLARA    COUNTY ABOVE 1000 FEET INCLUDING MOUNT DIABLO STATE PARK AND    HENRY COE STATE PARK.    * TIMING: STRONG AND GUSTY WINDS WILL CONTINUE THROUGH THIS    EVENING AND GRADUALLY DECREASE LATE FRIDAY BUT VERY DRY    CONDITIONS WILL CONTINUE THROUGH THE WEEKEND.    * WIND: NORTHEAST WINDS 15 TO 25 MPH WITH FREQUENT GUSTS 35 TO 45    MPH...DECREASING TO 5 TO 15 MPH OVERNIGHT.    * HUMIDITY: 10 TO 20 PERCENT BY FRIDAY AFTERNOON WITH 20 TO 30    PERCENT RECOVERY FRIDAY NIGHT.    * IMPACTS: THE COMBINATION OF DRY FUELS...STRONG WINDS AND LOW    HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS WHERE    ANY NEW IGNITIONS COULD SEE RAPID FIRE GROWTH.    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 CAN  CONTRIBUTE TO EXTREME FIRE BEHAVIOR.
NWS LOS ANGLES/OXNARD


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