Alert archive / California / Red Flag Warnings in 2014
Red Flag Warning 10, NWS Los Angeles, CA
NWS Los Angeles, CA issued this red flag warning at Oct 1, 2014, 10:09 AM PDT for Los Angeles County, California. It took effect at Oct 2, 2014, 12:00 AM PDT. It was in force for 43 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Oct 1, 2014, 10:09 AM PDT (17:09 UTC)
- In effect from
- Oct 2, 2014, 12:00 AM PDT
- Expired
- Oct 3, 2014, 7:00 PM PDT
- In force
- 43 hr
- Issued by
- NWS Los Angeles, CA
County Los Angeles County, CA
The radar
The Santa Ana Mts radar (KSOX), 71 km from the middle of the area, began a volume at 17:12 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
San Diego, CA (KNKX), launched 12:00Z, 5.2 hours before the alert went out and 184 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1215 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
631 WWUS86 KLOX 011709 RFWLOX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 1009 AM PDT WED OCT 1 2014 ...RED FLAG WARNING IN EFFECT TONIGHT THROUGH LATE THURSDAY AFTERNOON OVER THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND VALLEYS FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... ...FIRE WEATHER WATCH IN EFFECT THURSDAY NIGHT THROUGH FRIDAY AFTERNOON OVER THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND VALLEYS FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... .SURFACE HIGH PRESSURE WILL FORM OVER THE GREAT BASIN LATER TODAY THROUGH THURSDAY...WHICH WILL BRING GUSTY OFFSHORE FLOW TO SOUTHERN CALIFORNIA. THESE NORTHEAST WINDS WILL START TO FORM TODAY OVER INTERIOR LOS ANGELES AND VENTURA COUNTIES...THEN WILL STRENGTHEN AND PUSH DOWN INTO THE VALLEY AND COASTAL SECTIONS TONIGHT THROUGH THURSDAY. WINDS ARE GENERALLY EXPECTED TO BE OF THE 15 TO 25 MPH WITH GUSTS TO 35 MPH VARIETY. MEANWHILE...A RIDGE OF HIGH PRESSURE WILL BUILD OVER CALIFORNIA AND BRING HOT AND VERY DRY CONDITIONS TO THE REGION...WITH HUMIDITIES AROUND 10 PERCENT OVER MOST AREAS BY THURSDAY AFTERNOON. AS A RESULT...WIDESPREAD CRITICAL CONDITIONS ARE LIKELY OVER MUCH OF LOS ANGELES AND VENTURA COUNTIES ON THURSDAY...ESPECIALLY OVER THE MOUNTAINS AND VALLEYS. CONDITIONS WILL BECOME HOTTER AND DRIER THURSDAY NIGHT THROUGH SATURDAY...BUT THE WINDS WILL WEAKEN EACH DAY. THERE IS A CHANCE THAT RED FLAG CONDITIONS WILL CONTINUE THURSDAY NIGHT THROUGH FRIDAY...BUT LESS CERTAIN THAN THURSDAY DUE TO THE WEAKER WINDS. ISOLATED HILL AND CANYON LOCATIONS OF THE SAN GABRIEL VALLEY MAY SEE A FEW HOURS OF RED FLAG CONDITIONS...BUT IT IS NOT EXPECTED TO BE WIDESPREAD OR LONG ENOUGH TO WARRANT A RED FLAG WARNING. CAZ548-011815- /O.CAN.KLOX.FW.A.0008.141002T0700Z-141004T0200Z/ LOS ANGELES COUNTY SAN GABRIEL VALLEY- 1009 AM PDT WED OCT 1 2014 ...FIRE WEATHER WATCH IS CANCELLED FOR THE LOS ANGELES AND VENTURA COUNTY VALLEYS FOR LOW HUMIDITIES AND GUSTY NORTHEAST WINDS... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS CANCELLED THE FIRE WEATHER WATCH. ISOLATED HILL AND CANYON LOCATIONS OF THE SAN GABRIEL VALLEY MAY SEE A FEW HOURS OF RED FLAG CONDITIONS...BUT IT IS NOT EXPECTED TO BE WIDESPREAD OR LONG ENOUGH TO WARRANT A RED FLAG WARNING. $$ CAZ246-253-254-020115- /O.NEW.KLOX.FW.W.0010.141002T0700Z-141003T0100Z/ /O.EXT.KLOX.FW.A.0008.141003T0100Z-141004T0200Z/ SANTA MONICA MOUNTAINS RECREATIONAL AREA- VENTURA COUNTY MOUNTAINS / LOS PADRES NATIONAL FOREST- LOS ANGELES COUNTY MOUNTAINS / ANGELES NATIONAL FOREST- 1009 AM PDT WED OCT 1 2014 ...RED FLAG WARNING IN EFFECT FROM MIDNIGHT TONIGHT THROUGH 6 PM PDT THURSDAY OVER THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... ...FIRE WEATHER WATCH NOW EFFECT FROM THURSDAY NIGHT THROUGH FRIDAY AFTERNOON OVER THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A RED FLAG WARNING FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM PDT THURSDAY. * WINDS...AREAS OF NORTHEAST WINDS 15 TO 30 MPH WITH GUSTS TO 45 MPH ARE EXPECTED TONIGHT THROUGH THURSDAY. NORTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH ARE POSSIBLE THURSDAY NIGHT THROUGH FRIDAY. * RELATIVE HUMIDITY...DAILY MINIMUM HUMIDITIES BETWEEN 4 AND 10 PERCENT ARE EXPECTED THURSDAY THROUGH AT LEAST FRIDAY...WITH VERY POOR OVERNIGHT RECOVERIES BETWEEN 10 AND 20 PERCENT. DRIEST ON FRIDAY. * TEMPERATURES...DAILY MAXIMUM TEMPERATURES IN MID 70S TO MID 80S ON THURSDAY...RISING TO THE MID 80S TO MID 90S ON FRIDAY. * IMPACTS...WITH EXTREMELY DRY FUELS IN PLACE...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. 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. && $$ CAZ244-245-288-547-020115- /O.NEW.KLOX.FW.W.0010.141002T1300Z-141003T0100Z/ /O.EXT.KLOX.FW.A.0008.141003T0100Z-141004T0200Z/ VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS- SANTA CLARITA VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY- 1009 AM PDT WED OCT 1 2014 ...RED FLAG WARNING IN EFFECT FROM 6 AM TO 6 PM PDT THURSDAY OVER THE LOS ANGELES AND VENTURA COUNTY VALLEYS FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... ...FIRE WEATHER WATCH NOW EFFECT THURSDAY NIGHT THROUGH FRIDAY AFTERNOON OVER THE LOS ANGELES AND VENTURA COUNTY VALLEYS FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A RED FLAG WARNING FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 6 AM TO 6 PM PDT THURSDAY. * WINDS...AREAS OF NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH ARE EXPECTED TONIGHT THROUGH THURSDAY. NORTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH ARE POSSIBLE THURSDAY NIGHT THROUGH FRIDAY. * RELATIVE HUMIDITY...DAILY MINIMUM HUMIDITIES BETWEEN 4 AND 12 PERCENT ARE EXPECTED THURSDAY THROUGH AT LEAST FRIDAY...WITH POOR OVERNIGHT RECOVERIES BETWEEN 15 AND 30 PERCENT. DRIEST ON FRIDAY. * TEMPERATURES...DAILY MAXIMUM TEMPERATURES IN THE 90S ON THURSDAY...RISING TO 98 TO 106 ON FRIDAY. * IMPACTS...WITH EXTREMELY DRY FUELS IN PLACE...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. 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. && $$ KITTELL/WOFFORD
6 follow-up statements
966 WWUS86 KLOX 012237 RFWLOX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 337 PM PDT WED OCT 1 2014 ...RED FLAG WARNING IN EFFECT LATER TONIGHT THROUGH LATE THURSDAY AFTERNOON OVER THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND VALLEYS FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... ...FIRE WEATHER WATCH IN EFFECT THURSDAY NIGHT THROUGH LATE FRIDAY AFTERNOON OVER THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND VALLEYS FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... .SURFACE HIGH PRESSURE FORMING OVER THE GREAT BASIN WILL BRING GUSTY OFFSHORE FLOW TO SOUTHERN CALIFORNIA. THESE NORTHEAST WINDS HAVE ALREADY FORMED OVER INTERIOR LOS ANGELES COUNTY...AND WILL PUSH DOWN INTO THE VALLEY AND COASTAL SECTIONS TONIGHT THROUGH THURSDAY. WINDS ARE GENERALLY EXPECTED TO BE OF THE 15 TO 25 MPH WITH GUSTS TO 40 MPH VARIETY...BUT WILL BE LOCALLY STRONGER. MEANWHILE A RIDGE OF HIGH PRESSURE WILL CONTINUE TO BUILD OVER CALIFORNIA...BRINGING HOT AND VERY DRY CONDITIONS TO THE REGION WITH HUMIDITIES AROUND 10 PERCENT OVER MOST AREAS BY THURSDAY AFTERNOON. AS A RESULT...WIDESPREAD CRITICAL CONDITIONS ARE LIKELY OVER MUCH OF LOS ANGELES AND VENTURA COUNTIES ON THURSDAY...ESPECIALLY THE VALLEYS AND MOUNTAINS. CONDITIONS WILL BECOME HOTTER AND DRIER THURSDAY NIGHT THROUGH SATURDAY...BUT THE WINDS WILL WEAKEN EACH DAY. THERE IS A CHANCE THAT RED FLAG CONDITIONS WILL CONTINUE THURSDAY NIGHT THROUGH FRIDAY...BUT LESS CERTAIN THAN THURSDAY DUE TO THE WEAKER WINDS. CAZ246-253-254-021730- /O.CON.KLOX.FW.W.0010.141002T0700Z-141003T0100Z/ /O.CON.KLOX.FW.A.0008.141003T0100Z-141004T0200Z/ SANTA MONICA MOUNTAINS RECREATIONAL AREA- VENTURA COUNTY MOUNTAINS / LOS PADRES NATIONAL FOREST- LOS ANGELES COUNTY MOUNTAINS / ANGELES NATIONAL FOREST- 337 PM PDT WED OCT 1 2014 ...RED FLAG WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM PDT THURSDAY FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY EVENING FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... * WINDS...AREAS OF NORTHEAST WINDS 15 TO 30 MPH WITH LOCAL GUSTS TO 45 MPH ARE EXPECTED LATER TONIGHT THROUGH THURSDAY. NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH ARE POSSIBLE THURSDAY NIGHT THROUGH FRIDAY. * RELATIVE HUMIDITY...DAILY MINIMUM HUMIDITIES BETWEEN 4 AND 10 PERCENT ARE EXPECTED THURSDAY THROUGH AT LEAST FRIDAY...WITH VERY POOR OVERNIGHT RECOVERIES BETWEEN 10 AND 20 PERCENT. DRIEST ON FRIDAY. * TEMPERATURES...DAILY MAXIMUM TEMPERATURES IN MID 70S TO MID 80S ON THURSDAY...RISING TO THE MID 80S TO MID 90S ON FRIDAY. * IMPACTS...WITH EXTREMELY DRY FUELS IN PLACE...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. 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. && $$ CAZ244-245-288-547-021730- /O.CON.KLOX.FW.W.0010.141002T1300Z-141003T0100Z/ /O.CON.KLOX.FW.A.0008.141003T0100Z-141004T0200Z/ VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS- SANTA CLARITA VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY- 337 PM PDT WED OCT 1 2014 ...RED FLAG WARNING REMAINS IN EFFECT FROM 6 AM TO 6 PM PDT THURSDAY FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY EVENING FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... * WINDS...AREAS OF NORTHEAST WINDS 15 TO 25 MPH WITH LOCAL GUSTS TO 35 MPH ARE EXPECTED TONIGHT THROUGH THURSDAY. NORTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH ARE POSSIBLE THURSDAY NIGHT THROUGH FRIDAY. WINDS STRONGEST FROM SANTA PAULA THROUGH VAN NUYS...INCLUDING SANTA CLARITA. * RELATIVE HUMIDITY...DAILY MINIMUM HUMIDITIES BETWEEN 4 AND 12 PERCENT ARE EXPECTED THURSDAY THROUGH AT LEAST FRIDAY...WITH POOR OVERNIGHT RECOVERIES BETWEEN 15 AND 30 PERCENT. DRIEST ON FRIDAY. * TEMPERATURES...DAILY MAXIMUM TEMPERATURES IN THE 90S ON THURSDAY...RISING TO 95 TO 105 ON FRIDAY. * IMPACTS...WITH EXTREMELY DRY FUELS IN PLACE...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. 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. && $$ KITTELL
301 WWUS86 KLOX 020319 RFWLOX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 819 PM PDT WED OCT 1 2014 ...RED FLAG WARNING IN EFFECT LATER TONIGHT THROUGH LATE THURSDAY AFTERNOON OVER THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND VALLEYS FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... ...FIRE WEATHER WATCH IN EFFECT THURSDAY NIGHT THROUGH LATE FRIDAY AFTERNOON OVER THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND VALLEYS FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... .SURFACE HIGH PRESSURE FORMING OVER THE GREAT BASIN WILL BRING GUSTY OFFSHORE FLOW TO SOUTHERN CALIFORNIA. THESE NORTHEAST WINDS HAVE ALREADY FORMED OVER INTERIOR LOS ANGELES COUNTY...AND WILL PUSH DOWN INTO THE VALLEY AND COASTAL SECTIONS TONIGHT THROUGH THURSDAY. WINDS ARE GENERALLY EXPECTED TO BE OF THE 15 TO 25 MPH WITH GUSTS TO 40 MPH VARIETY...BUT WILL BE LOCALLY STRONGER. MEANWHILE A RIDGE OF HIGH PRESSURE WILL CONTINUE TO BUILD OVER CALIFORNIA...BRINGING HOT AND VERY DRY CONDITIONS TO THE REGION WITH HUMIDITIES AROUND 10 PERCENT OVER MOST AREAS BY THURSDAY AFTERNOON. AS A RESULT...WIDESPREAD CRITICAL CONDITIONS ARE LIKELY OVER MUCH OF LOS ANGELES AND VENTURA COUNTIES ON THURSDAY...ESPECIALLY THE VALLEYS AND MOUNTAINS. CONDITIONS WILL BECOME HOTTER AND DRIER THURSDAY NIGHT THROUGH SATURDAY...BUT THE WINDS WILL WEAKEN EACH DAY. THERE IS A CHANCE THAT RED FLAG CONDITIONS WILL CONTINUE THURSDAY NIGHT THROUGH FRIDAY...BUT LESS CERTAIN THAN THURSDAY DUE TO THE WEAKER WINDS. CAZ246-253-254-021730- /O.CON.KLOX.FW.W.0010.141002T0700Z-141003T0100Z/ /O.CON.KLOX.FW.A.0008.141003T0100Z-141004T0200Z/ SANTA MONICA MOUNTAINS RECREATIONAL AREA- VENTURA COUNTY MOUNTAINS / LOS PADRES NATIONAL FOREST- LOS ANGELES COUNTY MOUNTAINS / ANGELES NATIONAL FOREST- 819 PM PDT WED OCT 1 2014 ...RED FLAG WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM PDT THURSDAY FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY EVENING FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... * WINDS...AREAS OF NORTHEAST WINDS 15 TO 30 MPH WITH GUSTS UP TO 45 MPH ARE EXPECTED LATER TONIGHT THROUGH THURSDAY. NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH ARE POSSIBLE THURSDAY NIGHT THROUGH FRIDAY. * RELATIVE HUMIDITY...DAILY MINIMUM HUMIDITIES BETWEEN 4 AND 10 PERCENT ARE EXPECTED THURSDAY THROUGH AT LEAST FRIDAY...WITH VERY POOR OVERNIGHT RECOVERIES BETWEEN 10 AND 20 PERCENT. DRIEST ON FRIDAY. * TEMPERATURES...DAILY MAXIMUM TEMPERATURES IN MID 70S TO MID 80S ON THURSDAY...RISING TO THE MID 80S TO MID 90S ON FRIDAY. * IMPACTS...WITH EXTREMELY DRY FUELS IN PLACE...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. 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. && $$ CAZ244-245-288-547-021730- /O.CON.KLOX.FW.W.0010.141002T1300Z-141003T0100Z/ /O.CON.KLOX.FW.A.0008.141003T0100Z-141004T0200Z/ VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS- SANTA CLARITA VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY- 819 PM PDT WED OCT 1 2014 ...RED FLAG WARNING REMAINS IN EFFECT FROM 6 AM TO 6 PM PDT THURSDAY FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY EVENING FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... * WINDS...AREAS OF NORTHEAST WINDS 15 TO 30 MPH WITH GUSTS UP TO 45 MPH ARE EXPECTED TONIGHT THROUGH THURSDAY. NORTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH ARE POSSIBLE THURSDAY NIGHT THROUGH FRIDAY. WINDS STRONGEST FROM SANTA PAULA THROUGH VAN NUYS...INCLUDING SANTA CLARITA. * RELATIVE HUMIDITY...DAILY MINIMUM HUMIDITIES BETWEEN 4 AND 12 PERCENT ARE EXPECTED THURSDAY THROUGH AT LEAST FRIDAY...WITH POOR OVERNIGHT RECOVERIES BETWEEN 15 AND 30 PERCENT. DRIEST ON FRIDAY. * TEMPERATURES...DAILY MAXIMUM TEMPERATURES IN THE 90S ON THURSDAY...RISING TO 95 TO 105 ON FRIDAY. * IMPACTS...WITH EXTREMELY DRY FUELS IN PLACE...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. 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. && $$ HALL
812 WWUS86 KLOX 021609 RFWLOX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 909 AM PDT THU OCT 2 2014 ...RED FLAG WARNING NOW IN EFFECT THROUGH EARLY FRIDAY EVENING OVER THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND VALLEYS FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... .SURFACE HIGH PRESSURE OVER THE GREAT BASIN WILL BRING GUSTY OFFSHORE WINDS TO SOUTHERN CALIFORNIA. NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH THIS MORNING WILL WEAKEN THIS AFTERNOON TO 10 TO 20 MPH WITH GUSTS TO 30 MPH. THE GUSTY OFFSHORE WINDS WILL LIKELY CONTINUE THROUGH FRIDAY. HOT AND VERY DRY CONDITIONS WITH HUMIDITIES 10 PERCENT OR LESS OVER MOST AREAS WILL PERSIST THROUGH FRIDAY WITH POOR OVERNIGHT RECOVERY. AS A RESULT...WIDESPREAD CRITICAL CONDITIONS OVER MUCH OF LOS ANGELES AND VENTURA COUNTIES WILL PERSIST THROUGH FRIDAY...ESPECIALLY THE VALLEYS AND MOUNTAINS. CAZ246-253-254-022245- /O.CAN.KLOX.FW.A.0008.141003T0100Z-141004T0200Z/ /O.EXT.KLOX.FW.W.0010.000000T0000Z-141004T0200Z/ SANTA MONICA MOUNTAINS RECREATIONAL AREA- VENTURA COUNTY MOUNTAINS / LOS PADRES NATIONAL FOREST- LOS ANGELES COUNTY MOUNTAINS / ANGELES NATIONAL FOREST- 909 AM PDT THU OCT 2 2014 ...RED FLAG WARNING NOW IN EFFECT UNTIL 7 PM PDT FRIDAY FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS CANCELLED THE FIRE WEATHER WATCH. * WINDS...AREAS OF NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS UP TO 40 MPH THIS MORNING AND 10 TO 20 MPH WITH GUSTS TO 30 MPH THIS AFTERNOON. NORTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO 35 MPH ARE LIKELY FRIDAY. * RELATIVE HUMIDITY...DAILY MINIMUM HUMIDITIES BETWEEN 4 AND 10 PERCENT ARE EXPECTED TODAY THROUGH AT LEAST FRIDAY...WITH VERY POOR OVERNIGHT RECOVERIES BETWEEN 10 AND 20 PERCENT. DRIEST ON FRIDAY. * TEMPERATURES...DAILY MAXIMUM TEMPERATURES IN MID 70S TO MID 80S TODAY...RISING TO THE MID 80S TO MID 90S ON FRIDAY. * IMPACTS...WITH EXTREMELY DRY FUELS IN PLACE...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...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. && $$ CAZ244-245-288-547-022245- /O.CAN.KLOX.FW.A.0008.141003T0100Z-141004T0200Z/ /O.EXT.KLOX.FW.W.0010.000000T0000Z-141004T0200Z/ VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS- SANTA CLARITA VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY- 909 AM PDT THU OCT 2 2014 ...RED FLAG WARNING NOW IN EFFECT UNTIL 7 PM PDT FRIDAY FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS CANCELLED THE FIRE WEATHER WATCH. * WINDS...AREAS OF NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS UP TO 40 MPH THIS MORNING AND BECOMING 10 TO 15 MPH WITH GUSTS TO 25 MPH THIS AFTERNOON. NORTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH ARE LIKELY TONIGHT THROUGH FRIDAY. WINDS STRONGEST FROM SANTA PAULA THROUGH VAN NUYS...INCLUDING SANTA CLARITA. * RELATIVE HUMIDITY...DAILY MINIMUM HUMIDITIES BETWEEN 4 AND 12 PERCENT ARE EXPECTED THURSDAY THROUGH AT LEAST FRIDAY...WITH POOR OVERNIGHT RECOVERIES BETWEEN 15 AND 30 PERCENT. DRIEST ON FRIDAY. * TEMPERATURES...DAILY MAXIMUM TEMPERATURES IN THE 90S ON TODAY...RISING TO 95 TO 105 ON FRIDAY. * IMPACTS...WITH EXTREMELY DRY FUELS IN PLACE...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...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. && $$
833 WWUS86 KLOX 022149 RFWLOX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 249 PM PDT THU OCT 2 2014 ...RED FLAG WARNING IN EFFECT THROUGH EARLY FRIDAY EVENING OVER THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND VALLEYS FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... .WEAK SANTA ANA WINDS, VERY LOW RELATIVE HUMIDITY AND ABOVE SEASONAL NORMAL TEMPERATURES WILL CONTINUE TO CREATE CRITICAL FIRE WEATHER CONDITIONS THROUGH EARLY FRIDAY EVENING. THE SANTA ANA WINDS WILL STRENGTHEN AGAIN FRIDAY MORNING BUT ARE EXPECTED TO BE LIGHTER THAN THIS MORNING. WIDESPREAD SINGLE DIGIT RELATIVE HUMIDITY WILL CONTINUE THROUGH FRIDAY EVENING WILL LITTLE OR NO OVERNIGHT RECOVERY TONIGHT. A WARMING TREND WILL CONTINUE FRIDAY AND TEMPERATURE WILL LIKELY BE 10 TO 20 DEGREES ABOVE SEASONAL NORMAL. CAZ246-253-254-031645- /O.CON.KLOX.FW.W.0010.000000T0000Z-141004T0200Z/ SANTA MONICA MOUNTAINS RECREATIONAL AREA- VENTURA COUNTY MOUNTAINS / LOS PADRES NATIONAL FOREST- LOS ANGELES COUNTY MOUNTAINS / ANGELES NATIONAL FOREST- 249 PM PDT THU OCT 2 2014 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT FRIDAY FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... * WINDS...AREAS OF NORTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH THIS AFTERNOON. NORTHEAST WINDS 15 TO 20 MPH WITH GUSTS TO 35 MPH FRIDAY WITH THE STRONGEST WINDS IN THE MORNING. * RELATIVE HUMIDITY...MINIMUM HUMIDITIES BETWEEN 4 AND 10 PERCENT...WITH POOR OVERNIGHT RECOVERY BETWEEN 10 AND 20 PERCENT. * TEMPERATURES...MAXIMUM TEMPERATURES MID 80S TO MID 90S AND MINIMUM TEMPERATURES 60S. * IMPACTS...WITH EXTREMELY DRY FUELS IN PLACE...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...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. && $$ CAZ244-245-288-547-031645- /O.CON.KLOX.FW.W.0010.000000T0000Z-141004T0200Z/ VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS- SANTA CLARITA VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY- 249 PM PDT THU OCT 2 2014 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT FRIDAY FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... * WINDS...AREAS OF NORTHEAST WINDS 10 TO 20 MPH WITH GUSTS UP TO 30 MPH. STRONGEST EARLY FRIDAY MORNING AND FROM SANTA PAULA THROUGH VAN NUYS...INCLUDING SANTA CLARITA. * RELATIVE HUMIDITY...MINIMUM HUMIDITIES BETWEEN 4 AND 12 PERCENT...WITH POOR OVERNIGHT RECOVERY BETWEEN 10 AND 20 PERCENT. * TEMPERATURES...MAXIMUM TEMPERATURES 95 TO 105 AND MINIMUM TEMPERATURES 63 TO 74. * IMPACTS...WITH EXTREMELY DRY FUELS IN PLACE...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...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. && $$
267 WWUS86 KLOX 031602 RFWLOX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 902 AM PDT FRI OCT 3 2014 ...RED FLAG WARNING IN EFFECT THROUGH EARLY THIS EVENING OVER THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND VALLEYS FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... .WEAK SANTA ANA WINDS... VERY LOW RELATIVE HUMIDITY AND ABOVE SEASONAL NORMAL TEMPERATURES WILL CONTINUE TO CREATE CRITICAL FIRE WEATHER CONDITIONS THROUGH EARLY THIS EVENING. WIDESPREAD SINGLE DIGIT RELATIVE HUMIDITY WILL CONTINUE THROUGH THIS EVENING. AFTERNOON TEMPERATURES TODAY WILL BE 10 TO 20 DEGREES ABOVE SEASONAL NORMAL. CAZ246-253-254-040200- /O.CON.KLOX.FW.W.0010.000000T0000Z-141004T0200Z/ SANTA MONICA MOUNTAINS RECREATIONAL AREA- VENTURA COUNTY MOUNTAINS / LOS PADRES NATIONAL FOREST- LOS ANGELES COUNTY MOUNTAINS / ANGELES NATIONAL FOREST- 902 AM PDT FRI OCT 3 2014 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... * WINDS...AREAS OF NORTH TO NORTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO 35 MPH WITH THE STRONGEST WINDS EXPECTED THIS MORNING. * RELATIVE HUMIDITY...MINIMUM HUMIDITIES BETWEEN 3 AND 10 PERCENT. * TEMPERATURES...MAXIMUM TEMPERATURES MID 80S TO MID 90S. * IMPACTS...WITH EXTREMELY DRY FUELS IN PLACE...IF FIRE IGNITION OCCURS THERE COULD BE RAPID SPREAD OF WILDFIRE THAT WOULD LEAD TO A THREAT TO LIFE AND PROPERTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE BEHAVIOR. PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$ CAZ244-245-288-547-040200- /O.CON.KLOX.FW.W.0010.000000T0000Z-141004T0200Z/ VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS- SANTA CLARITA VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY- 902 AM PDT FRI OCT 3 2014 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING FOR GUSTY OFFSHORE WINDS AND VERY LOW RELATIVE HUMIDITY... * WINDS...AREAS OF NORTH TO NORTHEAST WINDS 10 TO 20 MPH WITH GUSTS UP TO 35 MPH. THE STRONGEST WINDS WILL OCCUR THIS MORNING...FROM SANTA PAULA THROUGH VAN NUYS INCLUDING THE SANTA CLARITA VALLEY. * RELATIVE HUMIDITY...MINIMUM HUMIDITIES BETWEEN 4 AND 10 PERCENT. * TEMPERATURES...MAXIMUM TEMPERATURES 95 TO 105. * IMPACTS...WITH EXTREMELY DRY FUELS IN PLACE...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...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. && $$ RAT
369 WWUS86 KLOX 040205 RFWLOX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 705 PM PDT FRI OCT 3 2014 ...RED FLAG WARNING HAS EXPIRED FOR PORTIONS OF LOS ANGELES AND VENTURA COUNTIES... CAZ244>246-253-254-288-547-040315- /O.EXP.KLOX.FW.W.0010.000000T0000Z-141004T0200Z/ VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS- SANTA MONICA MOUNTAINS RECREATIONAL AREA- VENTURA COUNTY MOUNTAINS / LOS PADRES NATIONAL FOREST- LOS ANGELES COUNTY MOUNTAINS / ANGELES NATIONAL FOREST- SANTA CLARITA VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY- 705 PM PDT FRI OCT 3 2014 ...RED FLAG WARNING HAS EXPIRED FOR THE MOUNTAINS AND VALLEYS OF LOS ANGELES AND VENTURA COUNTIES... OFFSHORE WINDS CONTINUE TO DIMINISH TONIGHT...ALLOWING FOR THE EXPIRATION OF THE RED FLAG WARNING. HOWEVER...TRIPLE DIGIT HEAT AND WIDESPREAD SINGLE DIGIT HUMIDITIES COMBINED WITH CRITICALLY DRY FUELS WILL CONTINUE TO BRING A PERIOD OF ELEVATED FIRE DANGER TO THE REGION THROUGH THE WEEKEND. $$ GOMBERG
What forecasters said that day
The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Los Angeles, CA wrote its last area forecast discussion before this red flag warning went out at Oct 1, 9:25 AM PDT, 44 minutes earlier.
Area forecast discussion, Oct 1, 9:25 AM PDT, 44 minutes before
SOUTHWEST CALIFORNIA AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 925 AM PDT WED OCT 1 2014 .SYNOPSIS... A SIGNIFICANT WARMING TREND IS EXPECTED INTO THE WEEKEND AS SURFACE HIGH PRESSURE BUILDS INTO THE GREAT BASIN AND OFFSHORE FLOW STRENGTHENS THROUGH LATE THIS WEEK. WEAKER OFFSHORE FLOW IS EXPECTED FOR THE WEEKEND...BUT HOT AND DRY WEATHER WILL CONTINUE AS HIGH PRESSURE BUILDS ALOFT. COOLER WEATHER IS POSSIBLE EARLY TO MID NEXT WEEK. && .SHORT TERM (TODAY-FRI)...TODAY IS A TRANSITION DAY FROM ONSHORE TO OFFSHORE FLOW AND AS SUCH TEMPS WILL BE A LITTLE TRICKY, BUT ULTIMATELY PROBABLY NOT MUCH DIFFERENT FROM YESTERDAY ONCE ALL IS SAID AND DONE. GRADIENTS ARE TRENDING WEAKLY ONSHORE THIS MORNING AS A TROF PASSES THROUGH THE GREAT BASIN. HOWEVER, THE TRENDS THEMSELVES ARE ACTUALLY TRENDING OFFSHORE WHICH IS GOOD SIGN THAT OFFSHORE GRADIENTS ARE NOT TOO FAR BEHIND. MODELS HAVE BEEN FAIRLY CONSISTENT THE LAST COUPLE DAYS SHOWING A LIGHT NORTHEAST WIND STARTING UP SOMETIME THIS MORNING IN THE LA/VENTURA MTNS AND ANTELOPE VALLEY AND WORKING THEIR WAY DOWN TO THE VALLEYS THIS AFTERNOON OR EVENING. ALL THAT STILL LOOKS ON TRACK. WITH WEAK ONSHORE FLOW THIS MORNING AND PROFILERS ALL SHOWING 1-3 DEGREES OF COOLING BELOW 3K FT WE'RE OFF TO A SLOWER START TEMPERATURE-WISE BUT THE OFFSHORE TRENDS BY AFTERNOON SHOULD OFFSET THAT AND BRING TEMPS BACK UP TO AND POSSIBLY EVEN SLIGHTLY HIGHER THAN YESTERDAY. THE REMAINDER OF THE FORECAST LOOKS GOOD BASED ON WHAT THE 12Z MODELS ARE SHOWING AND I'M NOT ANTICIPATING MAKING ANY SIGNIFICANT CHANGES. WITHOUT THE GOOD UPPER LEVEL SUPPORT THIS IS PRETTY LOW END WIND EVENT FOR SANTA ANAS AND IT WILL BE A MARGINAL CASE FOR WIND ADVISORIES AT BEST. I'M SURE OUR USUAL WINDY MTN SPOTS WILL GET SOME ADVISORY LEVEL GUSTS BUT JUST NOT CONFIDENT IT WILL BE WIDESPREAD. DESPITE TEMPERATURES BEING 15-25 DEGREES ABOVE NORMAL AND POSSIBLY NEAR RECORD LEVELS THIS EVENT WILL LIKELY NOT MEET OUR EXCESSIVE HEAT CRITERIA WHICH REQUIRES HEAT INDEX VALUES OF 105 OR GREATER AT LOWER ELEVATIONS. WITH HUMIDITIES IN THE SINGLE DIGITS THE NEXT SEVERAL DAYS HEAT INDEX READINGS WILL GENERALLY RUN ABOUT 5-7 DEGREES BELOW WHAT IS MEASURED BY THERMOMETERS. NONE THE LESS IT WILL BE HOT THU-SUN, PROBABLY HOTTEST ON SATURDAY. ***FROM PREVIOUS DISCUSSION*** AS THE UPPER HIGH MOVES OVERHEAD TONIGHT INTO THURSDAY...THE MARINE LAYER WILL BE VERY SHALLOW AND OFFSHORE WINDS WILL STRENGTHEN ACROSS THE LA/VTU COUNTY MOUNTAINS LATE THIS EVENING THEN SPREAD INTO THE WIND PRONE VALLEY AND COASTAL AREAS BY EARLY THURSDAY MORNING. LATEST NAM-WRF MODEL IS SUGGESTING THE LAX-DAG GRADIENT WILL BE AROUND -5.4MB BY 5 AM THU MORNING. THIS UPCOMING WIND EVENT IS MAINLY SURFACE GRADIENT DRIVEN. THERE WILL NOT BE MUCH UPPER SUPPORT TO DRIVE THE WINDS STRONGER AS THE UPPER HIGH WILL BE DIRECTLY OVER THE REGION. WIND ADVISORIES WILL LIKELY BE NEEDED FOR THE LA/VTU COUNTY MOUNTAINS...SANTA CLARITA VALLEY...VENTURA COUNTY VALLEYS AND POSSIBLY THE NW PORTION OF THE SAN FERNANDO VALLEY FOR THURSDAY MORNING. LATER SHIFTS WILL TAKE A LOOK AT THIS AS WE DRAW CLOSER TO THE FIRST SANTA ANA OF THE SEASON. NOT EXPECTING MUCH IN THE WAY OF LOW CLOUDS OVERNIGHT INTO THURSDAY MORNING AS GUSTY NE WINDS SHOULD SCOUR OUT ANY STRATUS. WITH THE WINDS EXPECTED TO BE STRONGER THURSDAY MORNING...EXPECT HIGH TEMPS TO RISE SIGNIFICANTLY ACROSS MANY COASTAL AREAS AS WELL AS THE COASTAL VALLEYS. WARMEST VALLEY LOCATIONS REACHING THE MID TO UPPER 90S. THE ANTELOPE VALLEY SHOULD BE EVEN COOLER ON THURSDAY WITH HIGHS ONLY IN THE LOWER TO MID 80S. THE STRONGEST WINDS WILL OCCUR THURDAY MORNING...WITH SLIGHTLY WEAKER WINDS EXPECTED ON FRIDAY MORNING. HIGHEST TEMPS OF THE WEEK ARE EXPECTED TO BE FRI AND SAT. FOR FRIDAY THERE WILL BE TRIPLE DIGIT READINGS ACROSS THE LA/VTU COUNTY COASTAL VALLEYS AND UP THE MID 90S ACROSS THE COASTAL PLAIN. ALTHOUGH WINDS WILL NOT BE AN ISSUE FOR THE SBA/SLO COUNTIES...THERE WILL BE SOME VERY WARM TEMPS ACROSS THE COASTAL AREAS AS WEAK OFFSHORE FLOW PERSISTS...ESPECIALLY THU-FRI. DONT BE SURPRISED TO SEE AVILA BEACH TO REACH 90 WITH SOME DOWNSLOPING EXPECTED ACROSS THE ADJACENT FOOTHILL. .LONG TERM (SAT-TUE)...AT THIS TIME...IT LOOKS LIKE SATURDAY WILL THE BE THE HOTTEST DAY OF THE WEEK WITH HIGH TEMPS BETWEEN 101-106 FOR THE LA/VTU COUNTY COASTAL VALLEYS AND THE UPPER 90S FOR DOWNTOWN LA AND LONG BEACH. THERE SHOULD BE A FEW DEGREES OF COOLING ON SUNDAY...BUT STILL VERY HOT. THE UPPER HIGH BEGINS TO BREAKDOWN AS A WEAK UPPER TROUGH APPROACHES CALIFORNIA. EXPECT TEMPERATURES TO REMAIN WELL ABOVE NORMAL THROUGH MONDAY...WITH SOME RELIEF POSSIBLE BY TUESDAY...ESPECIALLY ACROSS THE COASTAL AREAS AS NIGHT THROUGH MORNING LOW CLOUDS SHOULD AFFECT THE COASTAL AREAS. IT WILL REMAIN QUITE WARM THROUGH THE EXTENDED PERIOD...BUT NOT AS HOT AS THE WEEKEND. && .AVIATION...01/1130Z... MARINE LAYER AT KLAX AT 0815Z WAS 900 FEET DEEP AND THE INVERSION TOP WAS 2700 FEET WITH A TEMPERATURE OF 21 DEGREES C. OVERALL...MODERATE CONFIDENCE IN 12Z TAF PACKAGE. IN THE IMMEDIATE SHORT TERM...LOW CONFIDENCE IN MOST COASTAL TAF SITES DUE TO THE SOMEWHAT CHAOTIC NATURE OF THE STRATUS. ONCE THIS STRATUS CLEARS OUT BY LATE THIS MORNING...HIGH CONFIDENCE IN VFR CONDS PREVAILING THIS AFTERNOON THROUGH TONIGHT. KLAX...OVERALL...MODERATE CONFIDENCE IN 12Z TAF. LOW CONFIDENCE IN TAF FROM 12Z THRU 17Z AS THERE IS A 50% CHANCE THAT CIG RESTRICTIONS WILL NOT DEVELOP AS FORECAST. BEYOND 17Z...HIGH CONFIDENCE IN VFR CONDS PREVAILING THRU THE REMAINDER OF THE TAF PERIOD. KBUR...OVERALL...HIGH CONFIDENCE IN 12Z TAF. && .MARINE...01/900 AM... FOR THE OUTER WATERS...EXPECT NORTHWEST WINDS TO DIMINISH IN THE NEXT FEW HOURS...SO WILL LET THE SMALL CRAFT ADVISORIES EXPIRE AND WILL MENTION LOCAL GUST TO 25 KT THROUGH TODAY. FOR TONIGHT AND THROUGH THE WEEKEND...WINDS ARE EXPECTED TO REMAIN BELOW SMALL CRAFT ADVISORY LEVELS. FOR THE INNER WATERS...HIGH CONFIDENCE IN WINDS REMAINING BELOW ADVISORY LEVELS THROUGH THIS EVENING. BY LATE TONIGHT AND THURSDAY HIGH CONFIDENCE IN NORTHEAST WINDS DEVELOPING WITH A CHANCE OF WINDS REACHING SMALL CRAFT ADVISORY THRESHOLDS THURSDAY MORNING (ESPECIALLY NEAR SHORE) FROM VENTURA TO MALIBU AND OUT TO THE ISLANDS. FOR FRIDAY THROUGH THE WEEKEND...WEAK OFFSHORE FLOW CAN BE EXPECTED AT NIGHT...AND WEAK ONSHORE FLOW IN THE AFTERNOON/EVENING HOURS. A LONG PERIOD SOUTH-SOUTHWEST SWELL IS ANTICIPATED TO ARRIVE ON WEDNESDAY AND CONTINUE THROUGH FRIDAY. && .FIRE WEATHER...CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED TO DEVELOP ACROSS MUCH OF VENTURA AND LOS ANGELES COUNTIES TONIGHT AS OFFSHORE GRADIENTS INCREASE AND HUMIDITIES FALL. NORTHEAST WINDS WILL ACTUALLY BEGIN AS EARLY AS THIS MORNING ACROSS THE MOUNTAINS VALLEYS, HOWEVER HUMIDITIES ARE EXPECTED TO REMAIN ABOVE 20 PERCENT IN MOST AREAS UNTIL TONIGHT WHEN MUCH DRIER AIR MOVES IN. THE STRONGEST WINDS ARE EXPECTED TONIGHT THROUGH EARLY AFTERNOON THURSDAY WITH GUSTS UP TO 40 MPH IN THE MOUNTAINS AND 25-30 MPH IN THE VALLEYS. HUMIDITIES THURSDAY WILL GENERALLY RANGE FROM 10-15 PERCENT. NORTHEAST WINDS ARE EXPECTED TO BE WEAKER THURSDAY NIGHT INTO FRIDAY BUT STILL REMAIN GUSTY AT TIMES. VERY POOR HUMIDITY RECOVERIES ARE EXPECTED THURSDAY NIGHT WITH WIDESPREAD SINGLE DIGIT HUMIDITIES FRIDAY THROUGH SUNDAY. && .LOX WATCHES/WARNINGS/ADVISORIES... FIRE WEATHER WATCH (SEE LAXRFWLOX). SPECIAL WEATHER STATEMENT (SEE LAXSPSLOX). && PUBLIC...MW/KAPLAN AVIATION/MARINE...RAT/SWEET FIRE...MW SYNOPSIS...SUKUP WWW.WEATHER.GOV/LOSANGELES
Hazardous weather outlook, Oct 1, 6:00 AM PDT, 4 hours 9 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 600 AM PDT WED OCT 1 2014 CAZ034>041-044>046-051>054-059-087-088-547-548-021300- SAN LUIS OBISPO COUNTY CENTRAL COAST- SANTA BARBARA COUNTY CENTRAL COAST-SANTA YNEZ VALLEY- SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY- SANTA BARBARA COUNTY SOUTH COAST-VENTURA COUNTY COAST- LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES- VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS- SANTA MONICA MOUNTAINS RECREATIONAL AREA- SAN LUIS OBISPO COUNTY MOUNTAINS- SANTA BARBARA COUNTY MOUNTAINS-VENTURA COUNTY MOUNTAINS- LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- ANTELOPE VALLEY-CATALINA ISLAND-SANTA CLARITA VALLEY- LOS ANGELES COUNTY SAN FERNANDO VALLEY- LOS ANGELES COUNTY SAN GABRIEL VALLEY- 600 AM PDT WED OCT 1 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA. .DAY ONE... TODAY AND TONIGHT A FIRE WEATHER WATCH IS IN EFFECT BEGINNING LATE TONIGHT THROUGH FRIDAY EVENING. THIS WATCH MAY BE UPGRADED TO A RED FLAG WARNING AT SOME POINT TODAY. THIS WATCH WAS ISSUED FOR GUSTY OFFSHORE WINDS AND LOW RELATIVE HUMIDITIES ACROSS THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND VALLEYS. A SPECIAL WEATHER STATEMENT WILL HIGHLIGHT THIS UPCOMING WIND AND HOT TEMPERATURE EVENT. * FIRE WEATHER WATCH.........SEE WWUS86 KLOX - RFWLOX FOR DETAILS * * SPECIAL WEATHER STATEMENT..SEE WWUS86 KLOX - SPSLOX FOR DETAILS * .DAYS TWO THROUGH SEVEN... THURSDAY THROUGH TUESDAY A FIRE WEATHER WATCH WILL REMAIN IN EFFECT THROUGH AT LEAST FRIDAY EVENING. THERE WILL BE THE POSSIBILITY THAT THIS WATCH OR AT SOME POINT A RED FLAG WARNING MIGHT NEED TO BE EXTENDED INTO THE WEEKEND. THIS WATCH WAS ISSUED FOR GUSTY OFFSHORE WINDS AND LOW RELATIVE HUMIDITIES ACROSS THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND VALLEYS. A SPECIAL WEATHER STATEMENT WILL HIGHLIGHT THIS UPCOMING WIND AND HOT TEMPERATURE EVENT. * FIRE WEATHER WATCH.........SEE WWUS86 KLOX - RFWLOX FOR DETAILS * * SPECIAL WEATHER STATEMENT..SEE WWUS86 KLOX - SPSLOX FOR DETAILS * .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. KAPLAN
Nearby
Red Flag Warnings in California, 2014Every red flag warning in 2014
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.