Alert archive / California / Wind Advisories in 2011
Wind Advisory 62, NWS Los Angeles, CA
NWS Los Angeles, CA issued this wind advisory at Oct 26, 2011, 3:45 AM PDT for Los Angeles County, California. It took effect at Oct 26, 2011, 11:00 AM PDT. It was in force for 28 hr.
The area
The counties it named.
The facts
- Issued
- Oct 26, 2011, 3:45 AM PDT (10:45 UTC)
- In effect from
- Oct 26, 2011, 11:00 AM PDT
- Expired
- Oct 27, 2011, 3:00 PM PDT
- In force
- 28 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 10:46 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 00:00Z, 10.8 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
- 0 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
484 WWUS76 KLOX 261045 NPWLOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 345 AM PDT WED OCT 26 2011 ...GUSTY SANTA ANA WINDS EXPECTED TODAY THROUGH THURSDAY... ...AREAS OF FROST EXPECTED TONIGHT ACROSS INLAND AREAS... .SURFACE HIGH PRESSURE BUILDING INTO THE GREAT BASIN TODAY WILL BRING MODERATE SANTA ANA WINDS TO SECTIONS OF SOUTHWESTERN CALIFORNIA. THIS MORNING...NORTH WINDS WILL INCREASE ACROSS THE MOUNTAINS OF VENTURA AND LOS ANGELES COUNTIES...THEN THE WINDS WILL SHIFT TO THE NORTHEAST BY THIS AFTERNOON. THE GUSTY NORTHEAST WINDS WILL CONTINUE ACROSS THE MOUNTAINS OF VENTURA AND LOS ANGELES COUNTIES THROUGH THURSDAY AFTERNOON. THE NORTHEAST WINDS WILL ALSO FILTER DOWN INTO THE VALLEYS THIS EVENING AND CONTINUE THROUGH THURSDAY. NORTH TO NORTHEAST WIND GUSTS BETWEEN 40 AND 50 MPH CAN BE EXPECTED ACROSS THE MOUNTAINS OF VENTURA AND LOS ANGELES COUNTIES WHILE THE VALLEY AREAS ARE EXPECTED TO EXPERIENCE GUSTS BETWEEN 30 AND 40 MPH. THERE MAY BE ISOLATED HIGHER GUSTS TONIGHT IN THE MORE FAVORED PASSES AND CANYONS. AS THE OFFSHORE WINDS DEVELOP TONIGHT...SOME VERY COLD AIR WILL BE BROUGHT INTO THE INTERIOR VALLEYS OF SAN LUIS OBISPO AND SANTA BARBARA COUNTIES AS WELL AS THE ANTELOPE VALLEY. IN WIND SHELTERED AREAS...TEMPERATURES ARE EXPECTED TO DROP BELOW FREEZING TONIGHT IN THESE AREAS...LIKELY PRODUCING THE FIRST SIGNIFICANT FROST OF THE SEASON. THE BELOW FREEZING TEMPERATURES WILL ONCE AGAIN RETURN FRIDAY MORNING ACROSS THE SAME AREAS...AND COULD EVEN DIP TO BELOW 28 DEGREES ACROSS THE ANTELOPE VALLEY. CAZ059-261800- /O.NEW.KLOX.FR.Y.0006.111027T0800Z-111027T1600Z/ /O.NEW.KLOX.FZ.A.0001.111028T0800Z-111028T1600Z/ ANTELOPE VALLEY- INCLUDING THE CITIES OF...LANCASTER...PALMDALE 345 AM PDT WED OCT 26 2011 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM PDT THURSDAY... ...FREEZE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY MORNING... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 9 AM PDT THURSDAY. A FREEZE WATCH HAS ALSO BEEN ISSUED. THIS FREEZE WATCH IS IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY MORNING. * TEMPERATURES...TEMPERATURES ARE EXPECTED TO DROP TO BETWEEN 28 AND 32 DEGREES. BY FRIDAY MORNING...THERE IS THE POSSIBILITY OF TEMPERATURES DROPPING BELOW 28 DEGREES IN SOME AREAS. * TIMING...TEMPERATURES BETWEEN 28 AND 32 DEGREES WILL DEVELOP LATE TONIGHT AND THURSDAY MORNING. ANOTHER ROUND OF COLD TEMPERATURES IS EXPECTED THURSDAY NIGHT AND FRIDAY MORNING. * IMPACTS...THE COLD TEMPERATURES COULD RESULT IN POSSIBLE DAMAGE TO CROPS AND SENSITIVE PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS IMMINENT. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ CAZ037-038-261800- /O.NEW.KLOX.FR.Y.0006.111027T0800Z-111027T1600Z/ SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY- INCLUDING THE CITIES OF...PASO ROBLES...ATASCADERO...CUYAMA 345 AM PDT WED OCT 26 2011 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM PDT THURSDAY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 9 AM PDT THURSDAY. * TEMPERATURES...TEMPERATURES ARE EXPECTED TO DROP TO BETWEEN 28 AND 32 DEGREES. * TIMING...TEMPERATURES BETWEEN 28 AND 32 DEGREES WILL DEVELOP LATE TONIGHT AND THURSDAY MORNING. * IMPACTS...THE COLD TEMPERATURES COULD RESULT IN POSSIBLE DAMAGE TO CROPS AND SENSITIVE PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS IMMINENT. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ CAZ053-054-261800- /O.NEW.KLOX.WI.Y.0062.111026T1800Z-111027T2200Z/ VENTURA COUNTY MOUNTAINS- LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON... MOUNT WILSON...SANDBERG 345 AM PDT WED OCT 26 2011 ...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 3 PM PDT THURSDAY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 3 PM PDT THURSDAY. * WINDS...NORTH WINDS 15 TO 25 MPH THIS MORNING WILL SHIFT TO THE NORTHEAST AND INCREASE TO 20 TO 30 MPH WITH GUSTS BETWEEN 40 AND 50 MPH. * TIMING...THE NORTH WINDS WILL CONTINUE THROUGH SUNRISE...THEN WILL SHIFT TO THE NORTHEAST LATE THIS MORNING. THE GUSTY NORTHEAST WINDS WILL CONTINUE THROUGH THURSDAY AFTERNOON BEFORE DIMINISHING. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA...MAKING CONDITIONS DANGEROUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ046-261800- /O.NEW.KLOX.WI.Y.0062.111027T0300Z-111027T2200Z/ SANTA MONICA MOUNTAINS RECREATIONAL AREA- INCLUDING THE CITY OF...TOPANGA 345 AM PDT WED OCT 26 2011 ...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PDT THURSDAY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PDT THURSDAY. * WINDS...NORTH TO NORTHEAST ARE EXPECTED TO INCREASE TO 20 TO 30 MPH WITH GUSTS TO 45 MPH. THE STRONGEST WIND GUSTS WILL OCCUR THROUGH AND BELOW PASSES AND CANYONS. * TIMING...THE NORTH TO NORTHEAST WINDS WILL INCREASE THIS AFTERNOON...PEAKING IN STRENGTH FROM THIS EVENING THROUGH THURSDAY AFTERNOON. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA...MAKING CONDITIONS DANGEROUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ044-045-261800- /O.NEW.KLOX.WI.Y.0062.111027T0300Z-111027T2200Z/ VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS- INCLUDING THE CITIES OF...SANTA PAULA...FILLMORE...OJAI...PIRU... THOUSAND OAKS...NEWBURY PARK...MOORPARK...SIMI VALLEY 345 AM PDT WED OCT 26 2011 ...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PDT THURSDAY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PDT THURSDAY. * WINDS...NORTHEAST ARE EXPECTED TO INCREASE TO 15 TO 25 MPH WITH GUSTS TO 40 MPH. THE STRONGEST WIND GUSTS WILL OCCUR BELOW PASSES AND CANYONS. * TIMING...THE NORTH TO NORTHEAST WINDS WILL INCREASE THIS AFTERNOON...PEAKING IN STRENGTH FROM THIS EVENING THROUGH THURSDAY AFTERNOON. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA...MAKING CONDITIONS DANGEROUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ088-261800- /O.NEW.KLOX.WI.Y.0062.111027T0300Z-111027T2200Z/ SANTA CLARITA VALLEY- INCLUDING THE CITIES OF...SANTA CLARITA...NEWHALL...VALENCIA 345 AM PDT WED OCT 26 2011 ...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PDT THURSDAY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PDT THURSDAY. * WINDS...NORTH TO NORTHEAST ARE EXPECTED TO INCREASE TO 20 TO 30 MPH WITH GUSTS TO 40 MPH. THE STRONGEST WIND GUSTS WILL OCCUR BELOW PASSES AND CANYONS. * TIMING...THE NORTH TO NORTHEAST WINDS WILL INCREASE THIS AFTERNOON...PEAKING IN STRENGTH FROM THIS EVENING THROUGH THURSDAY AFTERNOON. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA...MAKING CONDITIONS DANGEROUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ547-261800- /O.NEW.KLOX.WI.Y.0062.111027T0300Z-111027T2200Z/ LOS ANGELES COUNTY SAN FERNANDO VALLEY- INCLUDING THE CITIES OF...WOODLAND HILLS...NORTHRIDGE...BURBANK... UNIVERSAL CITY 345 AM PDT WED OCT 26 2011 ...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PDT THURSDAY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PDT THURSDAY. * WINDS...NORTH TO NORTHEAST ARE EXPECTED TO INCREASE TO 15 TO 25 MPH WITH GUSTS TO 40 MPH. THE STRONGEST WIND GUSTS WILL OCCUR BELOW PASSES AND CANYONS. * TIMING...THE NORTH TO NORTHEAST WINDS WILL INCREASE THIS AFTERNOON...PEAKING IN STRENGTH FROM THIS EVENING THROUGH THURSDAY AFTERNOON. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA...MAKING CONDITIONS DANGEROUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ RAT
5 follow-up statements
025 WWUS76 KLOX 261657 NPWLOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 957 AM PDT WED OCT 26 2011 ...GUSTY SANTA ANA WINDS EXPECTED TODAY THROUGH THURSDAY... ...AREAS OF FROST EXPECTED TONIGHT ACROSS INLAND AREAS... .SURFACE HIGH PRESSURE BUILDING INTO THE GREAT BASIN TODAY WILL BRING MODERATE SANTA ANA WINDS TO SECTIONS OF SOUTHWESTERN CALIFORNIA. THIS MORNING...NORTH WINDS WILL INCREASE ACROSS THE MOUNTAINS OF VENTURA AND LOS ANGELES COUNTIES...SHIFTING TO THE NORTHEAST BY THIS AFTERNOON. THE GUSTY NORTHEAST WINDS WILL CONTINUE ACROSS THE MOUNTAINS OF VENTURA AND LOS ANGELES COUNTIES THROUGH THURSDAY AFTERNOON...AND ARE EXPECTED TO AFFECT THE VALLEYS AND SANTA MONICA MOUNTAINS THIS EVENING THROUGH THURSDAY. NORTH TO NORTHEAST WIND GUSTS BETWEEN 40 AND 50 MPH CAN BE EXPECTED ACROSS THE MOUNTAINS OF VENTURA AND LOS ANGELES COUNTIES...WITH GUSTS OF 30 TO 40 MPH OVER THE VALLEY AREAS. THERE MAY BE ISOLATED HIGHER GUSTS TONIGHT IN THE MORE FAVORED PASSES AND CANYONS. AS THE OFFSHORE WINDS DEVELOP TONIGHT...SOME VERY COLD AND DRY AIR WILL MOVE INTO THE INTERIOR VALLEYS OF SAN LUIS OBISPO AND SANTA BARBARA COUNTIES...AND THE ANTELOPE VALLEY. IN WIND SHELTERED AREAS TEMPERATURES ARE EXPECTED TO DROP BELOW FREEZING TONIGHT...LIKELY PRODUCING THE FIRST SIGNIFICANT FROST OF THE SEASON. THE BELOW-FREEZING TEMPERATURES WILL RETURN EARLY FRIDAY MORNING ACROSS THE SAME AREAS...AND COULD EVEN DIP TO BELOW 28 DEGREES ACROSS THE ANTELOPE VALLEY. CAZ059-270100- /O.CON.KLOX.FR.Y.0006.111027T0800Z-111027T1600Z/ /O.CON.KLOX.FZ.A.0001.111028T0800Z-111028T1600Z/ ANTELOPE VALLEY- INCLUDING THE CITIES OF...LANCASTER...PALMDALE 957 AM PDT WED OCT 26 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM PDT THURSDAY... ...FREEZE WATCH REMAINS IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY MORNING... * TEMPERATURES...TEMPERATURES ARE EXPECTED TO DROP TO BETWEEN 28 TO 32 DEGREES. BY FRIDAY MORNING...THERE IS THE POSSIBILITY OF TEMPERATURES DROPPING BELOW 28 DEGREES IN SOME AREAS. * TIMING...TEMPERATURES BETWEEN 28 TO 32 DEGREES WILL DEVELOP LATE TONIGHT INTO THURSDAY MORNING. ANOTHER ROUND OF COLD TEMPERATURES IS EXPECTED THURSDAY NIGHT INTO FRIDAY MORNING. * IMPACTS...THE COLD TEMPERATURES COULD RESULT IN DAMAGE TO CROPS AND SENSITIVE PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS IMMINENT. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ CAZ037-038-270100- /O.CON.KLOX.FR.Y.0006.111027T0800Z-111027T1600Z/ SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY- INCLUDING THE CITIES OF...PASO ROBLES...ATASCADERO...CUYAMA 957 AM PDT WED OCT 26 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM PDT THURSDAY... * TEMPERATURES...TEMPERATURES ARE EXPECTED TO DROP TO BETWEEN 28 AND 32 DEGREES. * TIMING...TEMPERATURES BETWEEN 28 TO 32 DEGREES WILL DEVELOP LATE TONIGHT AND THURSDAY MORNING. * IMPACTS...THE COLD TEMPERATURES COULD RESULT IN DAMAGE TO CROPS AND SENSITIVE PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS IMMINENT. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ CAZ053-054-270100- /O.CON.KLOX.WI.Y.0062.111026T1800Z-111027T2200Z/ VENTURA COUNTY MOUNTAINS- LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON... MOUNT WILSON...SANDBERG 957 AM PDT WED OCT 26 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THURSDAY... * WINDS...NORTH WINDS 15 TO 25 MPH THIS MORNING WILL SHIFT TO THE NORTHEAST AND INCREASE TO 20 TO 30 MPH WITH GUSTS OF 40 TO 50 MPH. * TIMING...THE NORTH WINDS WILL CONTINUE THROUGH SUNRISE...THEN WILL SHIFT TO THE NORTHEAST LATE THIS MORNING. THE GUSTY NORTHEAST WINDS WILL CONTINUE THROUGH THURSDAY AFTERNOON BEFORE DIMINISHING. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA...MAKING DRIVING CONDITIONS HAZARDOUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ046-270100- /O.CON.KLOX.WI.Y.0062.111027T0300Z-111027T2200Z/ SANTA MONICA MOUNTAINS RECREATIONAL AREA- INCLUDING THE CITY OF...TOPANGA 957 AM PDT WED OCT 26 2011 ...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PDT THURSDAY... * WINDS...NORTH TO NORTHEAST ARE EXPECTED TO INCREASE TO 20 TO 30 MPH WITH GUSTS TO 45 MPH. THE STRONGEST WIND GUSTS WILL OCCUR THROUGH AND BELOW PASSES AND CANYONS. * TIMING...THE NORTH TO NORTHEAST WINDS WILL INCREASE THIS AFTERNOON...PEAKING IN STRENGTH FROM THIS EVENING THROUGH THURSDAY AFTERNOON. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA...MAKING DRIVING CONDITIONS HAZARDOUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ044-045-270100- /O.CON.KLOX.WI.Y.0062.111027T0300Z-111027T2200Z/ VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS- INCLUDING THE CITIES OF...SANTA PAULA...FILLMORE...OJAI...PIRU... THOUSAND OAKS...NEWBURY PARK...MOORPARK...SIMI VALLEY 957 AM PDT WED OCT 26 2011 ...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PDT THURSDAY... * WINDS...NORTHEAST WILL INCREASE TO 15 TO 25 MPH WITH GUSTS TO 40 MPH. THE STRONGEST WIND GUSTS WILL OCCUR BELOW PASSES AND CANYONS. * TIMING...THE NORTH TO NORTHEAST WINDS WILL INCREASE THIS AFTERNOON...PEAKING IN STRENGTH FROM THIS EVENING THROUGH THURSDAY AFTERNOON. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA...MAKING DRIVING CONDITIONS HAZARDOUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ088-270100- /O.CON.KLOX.WI.Y.0062.111027T0300Z-111027T2200Z/ SANTA CLARITA VALLEY- INCLUDING THE CITIES OF...SANTA CLARITA...NEWHALL...VALENCIA 957 AM PDT WED OCT 26 2011 ...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PDT THURSDAY... * WINDS...NORTH TO NORTHEAST ARE EXPECTED TO INCREASE TO 20 TO 30 MPH WITH GUSTS TO 40 MPH. THE STRONGEST WIND GUSTS WILL OCCUR BELOW PASSES AND CANYONS. * TIMING...THE NORTH TO NORTHEAST WINDS WILL INCREASE THIS AFTERNOON...PEAKING IN STRENGTH FROM THIS EVENING THROUGH THURSDAY AFTERNOON. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA...MAKING DRIVING CONDITIONS HAZARDOUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ547-270100- /O.CON.KLOX.WI.Y.0062.111027T0300Z-111027T2200Z/ LOS ANGELES COUNTY SAN FERNANDO VALLEY- INCLUDING THE CITIES OF...WOODLAND HILLS...NORTHRIDGE...BURBANK... UNIVERSAL CITY 957 AM PDT WED OCT 26 2011 ...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PDT THURSDAY... * WINDS...NORTH TO NORTHEAST ARE EXPECTED TO INCREASE TO 15 TO 25 MPH WITH GUSTS TO 40 MPH. THE STRONGEST WIND GUSTS WILL OCCUR BELOW PASSES AND CANYONS. * TIMING...THE NORTH TO NORTHEAST WINDS WILL INCREASE THIS AFTERNOON...PEAKING IN STRENGTH FROM THIS EVENING THROUGH THURSDAY AFTERNOON. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA...MAKING DRIVING CONDITIONS HAZARDOUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
657 WWUS76 KLOX 262219 NPWLOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 319 PM PDT WED OCT 26 2011 ...GUSTY SANTA ANA WINDS EXPECTED TODAY THROUGH THURSDAY... ...AREAS OF FROST EXPECTED TONIGHT ACROSS INLAND AREAS... .SURFACE HIGH PRESSURE IN THE GREAT BASIN WILL BRING MODERATE SANTA ANA WINDS TO SECTIONS OF SOUTHWESTERN CALIFORNIA THROUGH THURSDAY AFTERNOON. GUSTY NORTHEAST WINDS WILL AFFECT THE MOUNTAINS OF VENTURA AND LOS ANGELES COUNTIES...AND ARE EXPECTED TO SPREAD ACROSS THE VALLEYS AND SANTA MONICA MOUNTAINS LATE THIS EVENING THROUGH THURSDAY. NORTH TO NORTHEAST WIND GUSTS BETWEEN 40 AND 50 MPH CAN BE EXPECTED ACROSS THE MOUNTAINS OF VENTURA AND LOS ANGELES COUNTIES...WITH GUSTS OF 30 TO 40 MPH OVER THE VALLEY AREAS. THERE MAY BE ISOLATED HIGHER GUSTS TONIGHT IN THE MORE FAVORED PASSES AND CANYONS. SOME ISOLATED GUSTS OF 35 TO 40 MPH MAY SPREAD TO THE COAST NEAR POINT MUGU LATE TONIGHT INTO THURSDAY MORNING. AS THE OFFSHORE WINDS DEVELOP...VERY COLD AND DRY AIR WILL MOVE INTO THE INTERIOR VALLEYS OF SAN LUIS OBISPO AND SANTA BARBARA COUNTIES...AND THE ANTELOPE VALLEY. IN WIND SHELTERED AREAS TEMPERATURES ARE EXPECTED TO DROP BELOW FREEZING TONIGHT...LIKELY PRODUCING THE FIRST SIGNIFICANT FROST OF THE SEASON. THE BELOW- FREEZING TEMPERATURES WILL RETURN EARLY FRIDAY MORNING ACROSS THE SAME AREAS...AND COULD DIP BELOW 28 DEGREES IN PORTIONS OF THE ANTELOPE VALLEY. CAZ059-270630- /O.CON.KLOX.FR.Y.0006.111027T0800Z-111027T1600Z/ /O.CON.KLOX.FZ.A.0001.111028T0800Z-111028T1600Z/ ANTELOPE VALLEY- INCLUDING THE CITIES OF...LANCASTER...PALMDALE 319 PM PDT WED OCT 26 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM PDT THURSDAY... ...FREEZE WATCH REMAINS IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY MORNING... * TEMPERATURES...TEMPERATURES ARE EXPECTED TO DROP TO BETWEEN 28 TO 32 DEGREES TONIGHT. BY FRIDAY MORNING...TEMPERATURES MAY DROP BELOW 28 DEGREES IN SOME AREAS. * TIMING...TEMPERATURES BETWEEN 28 TO 32 DEGREES WILL DEVELOP LATE TONIGHT INTO THURSDAY MORNING. ANOTHER ROUND OF COLD TEMPERATURES IS EXPECTED THURSDAY NIGHT INTO FRIDAY MORNING. * IMPACTS...THE COLD TEMPERATURES COULD RESULT IN DAMAGE TO CROPS AND SENSITIVE PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS IMMINENT. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ CAZ037-038-270630- /O.CON.KLOX.FR.Y.0006.111027T0800Z-111027T1600Z/ SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY- INCLUDING THE CITIES OF...PASO ROBLES...ATASCADERO...CUYAMA 319 PM PDT WED OCT 26 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM PDT THURSDAY... * TEMPERATURES...TEMPERATURES ARE EXPECTED TO DROP TO BETWEEN 28 TO 32 DEGREES. * TIMING...TEMPERATURES BETWEEN 28 TO 32 DEGREES WILL DEVELOP LATE TONIGHT INTO THURSDAY MORNING. * IMPACTS...THE COLD TEMPERATURES COULD RESULT IN DAMAGE TO CROPS AND SENSITIVE PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS IMMINENT. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ CAZ053-054-270630- /O.CON.KLOX.WI.Y.0062.000000T0000Z-111027T2200Z/ VENTURA COUNTY MOUNTAINS- LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON... MOUNT WILSON...SANDBERG 319 PM PDT WED OCT 26 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THURSDAY... * WINDS...NORTHEAST 20 TO 30 MPH WITH GUSTS OF 40 MPH AND LOCAL GUSTS TO 50 MPH. THE STRONGEST WINDS WILL OCCUR THROUGH AND BELOW PASSES AND CANYONS. * TIMING...GUSTY NORTHEAST WINDS WILL CONTINUE TO INCREASE THROUGH THIS EVENING...WITH PEAK WIND SPEEDS EXPECTED LATE TONIGHT THROUGH THURSDAY MORNING. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA... MAKING DRIVING CONDITIONS HAZARDOUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ046-270630- /O.CON.KLOX.WI.Y.0062.111027T0300Z-111027T2200Z/ SANTA MONICA MOUNTAINS RECREATIONAL AREA- INCLUDING THE CITY OF...TOPANGA 319 PM PDT WED OCT 26 2011 ...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PDT THURSDAY... * WINDS...NORTH WINDS OF 15 TO 25 MPH WILL SHIFT TO THE NORTHEAST AND INCREASE TO 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. THE STRONGEST WINDS WILL OCCUR THROUGH AND BELOW PASSES AND CANYONS. * TIMING...THE NORTH TO NORTHEAST WINDS WILL INCREASE THROUGH THIS EVENING...PEAKING IN STRENGTH FROM LATE IN THE EVENING THROUGH THURSDAY MORNING. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA... MAKING DRIVING CONDITIONS HAZARDOUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ044-045-270630- /O.CON.KLOX.WI.Y.0062.111027T0300Z-111027T2200Z/ VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS- INCLUDING THE CITIES OF...SANTA PAULA...FILLMORE...OJAI...PIRU... THOUSAND OAKS...NEWBURY PARK...MOORPARK...SIMI VALLEY 319 PM PDT WED OCT 26 2011 ...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PDT THURSDAY... * WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS OF 40 MPH WITH ISOLATED GUSTS TO 45 MPH IN THE HILLS. THE STRONGEST WIND GUSTS WILL OCCUR IN THE HILLS AND BELOW PASSES AND CANYONS. * TIMING...THE NORTH TO NORTHEAST WINDS WILL INCREASE THROUGH THIS EVENING...PEAKING IN STRENGTH FROM LATE IN THE EVENING THROUGH THURSDAY MORNING. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA... MAKING DRIVING CONDITIONS HAZARDOUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ088-270630- /O.CON.KLOX.WI.Y.0062.111027T0300Z-111027T2200Z/ SANTA CLARITA VALLEY- INCLUDING THE CITIES OF...SANTA CLARITA...NEWHALL...VALENCIA 319 PM PDT WED OCT 26 2011 ...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PDT THURSDAY... * WINDS...NORTHEAST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH. THE STRONGEST WIND GUSTS WILL OCCUR BELOW PASSES AND CANYONS. * TIMING...THE NORTH TO NORTHEAST WINDS WILL INCREASE THROUGH THIS EVENING...PEAKING IN STRENGTH FROM LATE THIS EVENING THROUGH THURSDAY MORNING. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA... MAKING DRIVING CONDITIONS HAZARDOUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ547-270630- /O.CON.KLOX.WI.Y.0062.111027T0300Z-111027T2200Z/ LOS ANGELES COUNTY SAN FERNANDO VALLEY- INCLUDING THE CITIES OF...WOODLAND HILLS...NORTHRIDGE...BURBANK... UNIVERSAL CITY 319 PM PDT WED OCT 26 2011 ...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PDT THURSDAY... * WINDS...NORTHEAST 15 TO 25 MPH INC WITH GUSTS UP TO 40 MPH. THE STRONGEST WIND GUSTS WILL OCCUR BELOW PASSES AND CANYONS. * TIMING...THE NORTH TO NORTHEAST WINDS WILL INCREASE THROUGH THIS EVENING...PEAKING IN STRENGTH FROM LATE IN THE EVENING THROUGH THURSDAY MORNING. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA... MAKING DRIVING CONDITIONS HAZARDOUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
228 WWUS76 KLOX 271004 NPWLOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 304 AM PDT THU OCT 27 2011 ...GUSTY SANTA ANA WINDS EXPECTED THROUGH THURSDAY... ...AREAS OF FROST EXPECTED THIS MORNING AND TONIGHT ACROSS THE ANTELOPE VALLEY...CUYAMA VALLEY...AND INTERIOR VALLEYS OF SAN LUIS OBISPO COUNTY... .SURFACE HIGH PRESSURE IN THE GREAT BASIN WILL BRING MODERATE SANTA ANA WINDS TO SECTIONS OF SOUTHWESTERN CALIFORNIA THROUGH THIS AFTERNOON. WINDS ARE EXPECTED TO INCREASE IN STRENGTH AND AREAL COVERAGE THIS MORNING. THE MOUNTAINS OF LOS ANGELES AND VENTURA COUNTIES CAN EXPECT WIND GUSTS BETWEEN 40 AND 50 MPH WHILE VALLEY LOCATIONS CAN GENERALLY EXPECT GUSTS BETWEEN 30 AND 40 MPH DURING THE PEAK OF THE EVENT. ISOLATED GUSTS TO 35 MPH CAN BE EXPECTED ACROSS COASTAL AREAS OF LOS ANGELES AND VENTURA COUNTIES ON THIS MORNING...WHICH MAY REQUIRE AN EXTENSION OF THE WIND ADVISORY TO THOSE AREAS. AS THE OFFSHORE WINDS DEVELOP...VERY COLD AND DRY AIR WILL MOVE INTO THE INTERIOR VALLEYS OF SAN LUIS OBISPO AND SANTA BARBARA COUNTIES...AND THE ANTELOPE VALLEY. IN WIND SHELTERED AREAS TEMPERATURES ARE EXPECTED TO DROP BELOW FREEZING THIS MORNING LIKELY PRODUCING THE FIRST SIGNIFICANT FROST OF THE SEASON. THE BELOW-FREEZING TEMPERATURES WILL RETURN EARLY FRIDAY MORNING ACROSS THE SAME AREAS...AND COULD DIP BELOW 28 DEGREES IN PORTIONS OF THE ANTELOPE VALLEY. A FREEZE WATCH IS IN EFFECT FOR TONIGHT ACROSS THE ANTELOPE VALLEY DUE TO THE POTENTIAL HARD FREEZE CONDITIONS...WHILE FROST ADVISORIES HAVE BEEN ISSUED AGAIN TONIGHT FOR THE CUYAMA VALLEY AND INTERIOR SAN LUIS OBISPO COUNTY. CAZ037-038-271600- /O.NEW.KLOX.FR.Y.0007.111028T0800Z-111028T1600Z/ /O.CON.KLOX.FR.Y.0006.000000T0000Z-111027T1600Z/ SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY- INCLUDING THE CITIES OF...PASO ROBLES...ATASCADERO...CUYAMA 304 AM PDT THU OCT 27 2011 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT THIS MORNING... ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM PDT FRIDAY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 9 AM PDT FRIDAY. * TEMPERATURES...TEMPERATURES ARE EXPECTED TO DROP TO BETWEEN 28 TO 32 DEGREES ACROSS WIND SHELTERED LOCATIONS. * TIMING...TEMPERATURES BETWEEN 28 TO 32 DEGREES WILL DEVELOP EARLY THIS MORNING...THEN AGAIN LATE TONIGHT INTO FRIDAY MORNING. * IMPACTS...THE COLD TEMPERATURES COULD RESULT IN DAMAGE TO CROPS AND SENSITIVE PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS IMMINENT. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ CAZ059-271600- /O.CON.KLOX.FR.Y.0006.000000T0000Z-111027T1600Z/ /O.CON.KLOX.FZ.A.0001.111028T0800Z-111028T1600Z/ ANTELOPE VALLEY- INCLUDING THE CITIES OF...LANCASTER...PALMDALE 304 AM PDT THU OCT 27 2011 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT THIS MORNING... ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING... * TEMPERATURES...TEMPERATURES ARE EXPECTED TO DROP TO BETWEEN 28 TO 32 DEGREES EARLY THIS MORNING. BY FRIDAY MORNING...TEMPERATURES MAY DROP BELOW 28 DEGREES IN SOME AREAS. * TIMING...TEMPERATURES BETWEEN 28 TO 32 DEGREES WILL DEVELOP EARLY THIS MORNING. ANOTHER ROUND OF COLD TEMPERATURES IS EXPECTED LATE TONIGHT INTO FRIDAY MORNING. * IMPACTS...THE COLD TEMPERATURES COULD RESULT IN DAMAGE TO CROPS AND SENSITIVE PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS IMMINENT. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ CAZ053-054-271600- /O.CON.KLOX.WI.Y.0062.000000T0000Z-111027T2200Z/ VENTURA COUNTY MOUNTAINS- LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON... MOUNT WILSON...SANDBERG 304 AM PDT THU OCT 27 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON... * WINDS...NORTHEAST 20 TO 30 MPH WITH GUSTS TO 45 MPH...EXCEPT ISOLATED GUSTS TO 50 MPH THROUGH FAVORED PASSES AND CANYONS. * TIMING...WINDS WILL PEAK IN STRENGTH THIS MORNING...THEN DIMINISH THIS AFTERNOON. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA... MAKING DRIVING CONDITIONS HAZARDOUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ046-271600- /O.CON.KLOX.WI.Y.0062.000000T0000Z-111027T2200Z/ SANTA MONICA MOUNTAINS RECREATIONAL AREA- INCLUDING THE CITY OF...TOPANGA 304 AM PDT THU OCT 27 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON... * WINDS...NORTH TO NORTHEAST 20 TO 30 MPH WITH GUSTS TO 50 MPH STRONGEST THROUGH AND BELOW PASSES AND CANYONS. * TIMING...WINDS WILL PEAK IN STRENGTH THIS MORNING...THEN DIMINISH THIS AFTERNOON. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA... MAKING DRIVING CONDITIONS HAZARDOUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ044-045-271600- /O.CON.KLOX.WI.Y.0062.000000T0000Z-111027T2200Z/ VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS- INCLUDING THE CITIES OF...SANTA PAULA...FILLMORE...OJAI...PIRU... THOUSAND OAKS...NEWBURY PARK...MOORPARK...SIMI VALLEY 304 AM PDT THU OCT 27 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON... * WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS TO 40 MPH...EXCEPT ISOLATED GUSTS TO 45 MPH IN THE HILLS. THE STRONGEST WIND GUSTS WILL OCCUR IN THE HILLS AND BELOW PASSES AND CANYONS. * TIMING...WINDS WILL PEAK IN STRENGTH THIS MORNING...THEN DIMINISH THIS AFTERNOON. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA... MAKING DRIVING CONDITIONS HAZARDOUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ088-271600- /O.CON.KLOX.WI.Y.0062.000000T0000Z-111027T2200Z/ SANTA CLARITA VALLEY- INCLUDING THE CITIES OF...SANTA CLARITA...NEWHALL...VALENCIA 304 AM PDT THU OCT 27 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON... * WINDS...NORTHEAST 20 TO 30 MPH WITH GUSTS TO 40 MPH. THE STRONGEST WIND GUSTS WILL OCCUR BELOW PASSES AND CANYONS. * TIMING...WINDS WILL PEAK IN STRENGTH THIS MORNING...THEN DIMINISH THIS AFTERNOON. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA... MAKING DRIVING CONDITIONS HAZARDOUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ547-271600- /O.CON.KLOX.WI.Y.0062.000000T0000Z-111027T2200Z/ LOS ANGELES COUNTY SAN FERNANDO VALLEY- INCLUDING THE CITIES OF...WOODLAND HILLS...NORTHRIDGE...BURBANK... UNIVERSAL CITY 304 AM PDT THU OCT 27 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON... * WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS TO 40 MPH. THE STRONGEST WINDS GUSTS ARE EXPECTED ACROSS NORTHERN AND WESTERN PORTIONS. * TIMING...WINDS WILL PEAK IN STRENGTH THIS MORNING...THEN DIMINISH THIS AFTERNOON. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA... MAKING DRIVING CONDITIONS HAZARDOUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ RAT
631 WWUS76 KLOX 271613 NPWLOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 913 AM PDT THU OCT 27 2011 ...GUSTY SANTA ANA WINDS EXPECTED THROUGH THIS AFTERNOON... ...AREAS OF FROST AND FREEZING TEMPERATURES POSSIBLE AGAIN TONIGHT ACROSS THE ANTELOPE VALLEY...CUYAMA VALLEY...AND INTERIOR VALLEYS OF SAN LUIS OBISPO COUNTY... .SURFACE HIGH PRESSURE IN THE GREAT BASIN WILL CONTINUE TO BRING MODERATE SANTA ANA WINDS TO SECTIONS OF SOUTHWESTERN CALIFORNIA THROUGH THIS AFTERNOON. WINDS WILL INCREASE IN STRENGTH AND AREAL COVERAGE THIS MORNING. THE MOUNTAINS OF LOS ANGELES AND VENTURA COUNTIES CAN EXPECT WIND GUSTS BETWEEN 40 AND 50 MPH WHILE VALLEY LOCATIONS CAN GENERALLY EXPECT GUSTS BETWEEN 30 AND 40 MPH DURING THE PEAK OF THE EVENT THIS MORNING. THESE OFFSHORE WINDS WILL ALLOW COLD AND DRY AIR TO MOVE INTO THE INTERIOR VALLEYS OF SAN LUIS OBISPO AND SANTA BARBARA COUNTIES... AND THE ANTELOPE VALLEY. IN WIND SHELTERED AREAS TEMPERATURES ARE EXPECTED TO DROP BELOW FREEZING OVERNIGHT PRODUCING ANOTHER ROUND OF FROST AND EVEN TEMPERATURES DIPPING BELOW 28 DEGREES IN PORTIONS OF THE ANTELOPE VALLEY. A FREEZE WATCH IS IN EFFECT FOR TONIGHT ACROSS THE ANTELOPE VALLEY DUE TO THE POTENTIAL HARD FREEZE CONDITIONS...WHILE FROST ADVISORIES HAVE BEEN ISSUED AGAIN TONIGHT FOR THE CUYAMA VALLEY AND INTERIOR SAN LUIS OBISPO COUNTY. CAZ037-038-272230- /O.EXP.KLOX.FR.Y.0006.000000T0000Z-111027T1600Z/ /O.CON.KLOX.FR.Y.0007.111028T0800Z-111028T1600Z/ SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY- INCLUDING THE CITIES OF...PASO ROBLES...ATASCADERO...CUYAMA 913 AM PDT THU OCT 27 2011 ...FROST ADVISORY ALLOWED TO EXPIRE AT 9 AM PDT THIS MORNING... ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM PDT FRIDAY... * TEMPERATURES...TEMPERATURES ARE EXPECTED TO DROP TO BETWEEN 28 TO 32 DEGREES ACROSS WIND SHELTERED LOCATIONS. * TIMING...TEMPERATURES BETWEEN 28 TO 32 DEGREES WILL DEVELOP LATE TONIGHT INTO FRIDAY MORNING. * IMPACTS...THE COLD TEMPERATURES COULD RESULT IN DAMAGE TO CROPS AND SENSITIVE PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS IMMINENT. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ CAZ059-272230- /O.EXP.KLOX.FR.Y.0006.000000T0000Z-111027T1600Z/ /O.CON.KLOX.FZ.A.0001.111028T0800Z-111028T1600Z/ ANTELOPE VALLEY- INCLUDING THE CITIES OF...LANCASTER...PALMDALE 913 AM PDT THU OCT 27 2011 ...FROST ADVISORY ALLOWED TO EXPIRE AT 9 AM PDT THIS MORNING... ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING... * TEMPERATURES...TEMPERATURES FRIDAY MORNING MAY DROP BELOW 28 DEGREES IN SOME AREAS. * TIMING...TEMPERATURES BELOW 28 DEGREES MAY OCCUR LATE TONIGHT INTO FRIDAY MORNING. * IMPACTS...THE COLD TEMPERATURES COULD RESULT IN DAMAGE TO CROPS AND SENSITIVE PLANTS PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ CAZ053-054-272200- /O.CON.KLOX.WI.Y.0062.000000T0000Z-111027T2200Z/ VENTURA COUNTY MOUNTAINS- LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON... MOUNT WILSON...SANDBERG 913 AM PDT THU OCT 27 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON... * WINDS...NORTHEAST 20 TO 30 MPH WITH GUSTS TO 45 MPH...EXCEPT ISOLATED GUSTS TO 50 MPH THROUGH FAVORED PASSES AND CANYONS. * TIMING...WINDS WILL PEAK IN STRENGTH LATE THIS MORNING...THEN DIMINISH THIS AFTERNOON. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA... MAKING DRIVING CONDITIONS HAZARDOUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 45 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ046-272200- /O.CON.KLOX.WI.Y.0062.000000T0000Z-111027T2200Z/ SANTA MONICA MOUNTAINS RECREATIONAL AREA- INCLUDING THE CITY OF...TOPANGA 913 AM PDT THU OCT 27 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON... * WINDS...NORTH TO NORTHEAST 20 TO 30 MPH WITH GUSTS TO 40 MPH STRONGEST THROUGH AND BELOW CANYONS. * TIMING...WINDS WILL PEAK IN STRENGTH LATE THIS MORNING...THEN DIMINISH THIS AFTERNOON. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA... MAKING DRIVING CONDITIONS HAZARDOUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ044-045-272200- /O.CON.KLOX.WI.Y.0062.000000T0000Z-111027T2200Z/ VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS- INCLUDING THE CITIES OF...SANTA PAULA...FILLMORE...OJAI...PIRU... THOUSAND OAKS...NEWBURY PARK...MOORPARK...SIMI VALLEY 913 AM PDT THU OCT 27 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON... * WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS TO 35 MPH. THE STRONGEST WIND GUSTS WILL OCCUR IN THE HILLS AND BELOW CANYONS. * TIMING...WINDS WILL PEAK IN STRENGTH LATE THIS MORNING...THEN DIMINISH THIS AFTERNOON. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA... MAKING DRIVING CONDITIONS HAZARDOUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ088-272200- /O.CON.KLOX.WI.Y.0062.000000T0000Z-111027T2200Z/ SANTA CLARITA VALLEY- INCLUDING THE CITIES OF...SANTA CLARITA...NEWHALL...VALENCIA 913 AM PDT THU OCT 27 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON... * WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS TO 35 MPH. THE STRONGEST WIND GUSTS WILL OCCUR BELOW CANYONS. * TIMING...WINDS WILL PEAK IN STRENGTH LATE THIS MORNING...THEN DIMINISH THIS AFTERNOON. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA... MAKING DRIVING CONDITIONS HAZARDOUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ547-272200- /O.CON.KLOX.WI.Y.0062.000000T0000Z-111027T2200Z/ LOS ANGELES COUNTY SAN FERNANDO VALLEY- INCLUDING THE CITIES OF...WOODLAND HILLS...NORTHRIDGE...BURBANK... UNIVERSAL CITY 913 AM PDT THU OCT 27 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON... * WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS TO 35 MPH. THE STRONGEST WINDS GUSTS ARE EXPECTED ACROSS NORTHERN AND WESTERN PORTIONS. * TIMING...WINDS WILL PEAK IN STRENGTH LATE THIS MORNING...THEN DIMINISH THIS AFTERNOON. * IMPACTS...DANGEROUS CROSS WINDS ARE LIKELY ACROSS THE AREA... MAKING DRIVING CONDITIONS HAZARDOUS FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ TRM
614 WWUS76 KLOX 272222 NPWLOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 322 PM PDT THU OCT 27 2011 ...SANTA ANA WINDS TO SUBSIDE THIS EVENING... ...AREAS OF FROST POSSIBLE AGAIN TONIGHT ACROSS THE ANTELOPE VALLEY...CUYAMA VALLEY...AND INTERIOR VALLEYS OF SAN LUIS OBISPO COUNTY... .SURFACE HIGH PRESSURE IN THE GREAT BASIN WILL CONTINUE TO WEAKEN THIS EVENING. AS A RESULT...WINDS WILL CONTINUE TO SUBSIDE BUT LINGER WITH GUSTS TO AS MUCH AS 30 MPH THROUGH AND BELOW CANYONS OF BOTH LOS ANGELES AND VENTURA COUNTIES. THE COMBINATION OF A DRY AND COLD AIRMASS OVER INTERIOR SECTIONS WILL LEAD TO ANOTHER ROUND OF SUB FREEZING TEMPERATURES IN WIND SHELTERED AREAS WITH AREAS OF FROST LIKELY TONIGHT FOR PORTIONS OF THE ANTELOPE VALLEY...THE CUYUMA VALLEY...AND INTERIOR SAN LUIS OBISPO COUNTY. CAZ044>046-053-054-088-547-272330- /O.EXP.KLOX.WI.Y.0062.000000T0000Z-111027T2200Z/ VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS- SANTA MONICA MOUNTAINS RECREATIONAL AREA-VENTURA COUNTY MOUNTAINS- LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- SANTA CLARITA VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY- INCLUDING THE CITIES OF...SANTA PAULA...FILLMORE...OJAI...PIRU... THOUSAND OAKS...NEWBURY PARK...MOORPARK...SIMI VALLEY...TOPANGA... LOCKWOOD VALLEY...MOUNT PINOS...ACTON...MOUNT WILSON...SANDBERG... SANTA CLARITA...NEWHALL...VALENCIA...WOODLAND HILLS... NORTHRIDGE...BURBANK...UNIVERSAL CITY 322 PM PDT THU OCT 27 2011 ...WIND ADVISORY HAS EXPIRED... WINDS HAVE BEGUN TO SUBSIDE AND ARE NO LONGER EXPECTED TO REACH ADVISORY CRITERIA. THUS THE ADVISORY HAS BEEN ALLOWED TO EXPIRE. $$ CAZ059-280630- /O.UPG.KLOX.FZ.A.0001.111028T0800Z-111028T1600Z/ /O.EXA.KLOX.FR.Y.0007.111028T0800Z-111028T1600Z/ ANTELOPE VALLEY- INCLUDING THE CITIES OF...LANCASTER...PALMDALE 322 PM PDT THU OCT 27 2011 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM PDT FRIDAY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 9 AM PDT FRIDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT. * TEMPERATURES...TEMPERATURES ARE EXPECTED TO DROP TO BETWEEN 28 TO 32 DEGREES ACROSS WIND SHELTERED LOCATIONS. * TIMING...TEMPERATURES BETWEEN 28 TO 32 DEGREES WILL DEVELOP AFTER MIDNIGHT TONIGHT AND CONTINUE UNTIL AS LATE AS 9 AM PDT FRIDAY MORNING. * IMPACTS...THE COLD TEMPERATURES COULD RESULT IN DAMAGE TO CROPS AND SENSITIVE PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS IMMINENT. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ CAZ037-038-280630- /O.CON.KLOX.FR.Y.0007.111028T0800Z-111028T1600Z/ SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY- INCLUDING THE CITIES OF...PASO ROBLES...ATASCADERO...CUYAMA 322 PM PDT THU OCT 27 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM PDT FRIDAY... * TEMPERATURES...TEMPERATURES ARE EXPECTED TO DROP TO BETWEEN 28 TO 32 DEGREES ACROSS WIND SHELTERED LOCATIONS. * TIMING...TEMPERATURES BETWEEN 28 TO 32 DEGREES WILL DEVELOP AFTER MIDNIGHT TONIGHT AND CONTINUE UNTIL AS LATE AS 9 AM PDT FRIDAY MORNING. * IMPACTS...THE COLD TEMPERATURES COULD RESULT IN DAMAGE TO CROPS AND SENSITIVE PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS IMMINENT. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ TRM
What forecasters said that day
The local office's own words before this wind advisory 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 wind advisory went out at Oct 26, 3:10 AM PDT, 35 minutes earlier.
Area forecast discussion, Oct 26, 3:10 AM PDT, 35 minutes before
SOUTHWEST CALIFORNIA AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 310 AM PDT WED OCT 26 2011 .SYNOPSIS... MODERATE SANTA ANA WINDS ARE EXPECTED TO DEVELOP TODAY AND CONTINUE THROUGH THURSDAY. GUSTY NORTHEAST WINDS AND VERY DRY CONDITIONS CAN BE EXPECTED ACROSS THE AREA...ESPECIALLY BELOW PASSES AND CANYONS. WEAK OFFSHORE WINDS WILL CONTINUE THROUGH THE WEEKEND WITH WARM TEMPERATURES AND DRY CONDITIONS. LOW PRESSURE WILL MOVE ACROSS THE WEST COAST EARLY NEXT WEEK...BRINGING COOLER CONDITIONS TO THE AREA. && .SHORT TERM (TODAY-FRI)...OVERALL...00Z MODELS ARE IN VERY GOOD SYNOPTIC AGREEMENT FOR THE SHORT TERM. AT UPPER LEVELS...RIDGE OFF THE WEST COAST WILL ALLOW FOR SHARP TROUGH TO DIVE SOUTH ACROSS THE GREAT BASIN/INTERIOR CALIFORNIA THROUGH THIS EVENING...THEN THE TROUGH WILL MOVE EAST THURSDAY/FRIDAY AS RIDGE BUILDS OVER THE AREA. NEAR THE SURFACE...HIGH PRESSURE WILL BUILD INTO THE GREAT BASIN TODAY/TONIGHT...THEN WILL GRADUALLY WEAKEN THURSDAY/FRIDAY AND SHIFT EASTWARD. WITH THIS PATTERN...A MYRIAD OF WEATHER CONCERNS WILL PRESENT THEMSELVES THROUGH THE PERIOD. THE MOST IMMEDIATE CONCERN WILL BE THE DEVELOPING OFFSHORE WINDS. AS THE UPPER TROUGH DIVES SOUTHWARD AND HIGH PRESSURE BUILDS OVER THE GREAT BASIN...THE AREA WILL BE PRIMED FOR A MODERATE SANTA ANA WIND EVENT. CURRENTLY..NORTHERLY WINDS ARE BEGINNING TO INCREASE ACROSS THE MOUNTAINS. BY LATE THIS MORNING...THE WINDS WILL SHIFT TO THE NORTHEAST AND CONTINUE FROM THE NORTHEAST THROUGH THE REST OF THE PERIOD. AT THIS TIME...THERE LOOKS TO BE PRETTY GOOD UPPER LEVEL/THERMAL SUPPORT FOR OFFSHORE WINDS TODAY THROUGH THURSDAY (WRF 30 AGL WINDS BETWEEN 25 AND 35 KNOTS TONIGHT). SO...WILL ANTICIPATE WINDS TO REACH ADVISORY LEVELS ACROSS THE VENTURA/LA MOUNTAINS LATE THIS MORNING AND CONTINUE THROUGH THURSDAY AFTERNOON. AS THE PRESSURE GRADIENT INCREASES THIS AFTERNOON/EVENING...THE ADVISORY-LEVEL WINDS SHOULD FILTER DOWN TO THE VENTURA/LA VALLEYS AS WELL AS THE SANTA MONICA MOUNTAINS EARLY THIS EVENING AND CONTINUE THROUGH THURSDAY AFTERNOON. BY THURSDAY EVENING...THE UPPER SUPPORT WEAKENS AND THE OFFSHORE GRADIENTS RELAX WHICH WILL RESULT IN WEAKER WINDS. HOWEVER...THERE WILL STILL LIKELY BE SOME LOCAL NORTHEAST BREEZES THROUGH FRIDAY. THE NEXT MOST PRESSING CONCERN IS TEMPERATURES. HIGH TEMPS THROUGH THE PERIOD WILL SHOW A NICE WARMING TREND...WITH A SLIGHT INCREASE TODAY THEN MORE NOTICEABLE WARMING THURSDAY/FRIDAY AS OFFSHORE GRADIENTS CONTINUE AND BOUNDARY LAYER WARMS. THE MAIN ISSUE THE NEXT TWO DAYS WILL BE OVERNIGHT LOWS. AS THE OFFSHORE FLOW KICKS IN...THE AIR MASS WILL BECOME VERY DRY. COMBINED WITH SOME COLD AIR BEING ADVECTED INTO INTERIOR SECTIONS BY THE WINDS...WILL EXPECT SOME BELOW FREEZING TEMPS ACROSS INTERIOR VALLEYS OF SLO/SBA COUNTIES AS WELL AS THE ANTELOPE VALLEY. WITH THE MORNING FORECAST...WILL ISSUE A FROST ADVISORY FOR TONIGHT ACROSS SLO/SBA INTERIOR VALLEYS AND ANTELOPE VALLEY...AND THEN A FREEZE WATCH THURSDAY NIGHT FOR THE ANTELOPE VALLEY (AS TEMPS WILL LIKELY DIP BELOW 28 DEGREES IN SOME AREAS). AS FOR CLOUDS...THE DEVELOPING NORTHERLY FLOW IS STARTING TO SCOUR OUT THE MARINE LAYER CLOUDS. BY THIS AFTERNOON...WOULD EXPECT MOST...IF NOT ALL...CLOUDS TO BE GONE WITH CLEAR SKIES PREVAILING THROUGH FRIDAY. .LONG TERM (SAT-TUE)...FOR THE EXTENDED...MODELS START OUT IN GOOD SYNOPTIC AGREEMENT THROUGH ABOUT MONDAY...THEN START TO DIVERGE QUITE SIGNIFICANTLY. AT UPPER LEVELS...RIDGE WILL PEAK IN STRENGTH ON SATURDAY...THEN WEAKEN ON SUNDAY AS TROUGH APPROACHES THE PACIFIC NORTHWEST...AND THEN THE TROUGH MOVES INLAND ACROSS THE PACIFIC NORTHWEST ON MONDAY. NOW ON TUESDAY...THE GFS AND CANADIAN MOVE THE TROUGH QUICKLY EASTWARD. HOWEVER THE ECMWF DECIDES TO TAKE THE TROUGH AND DROP IT SOUTHWARD AS AN INSIDE SLIDER. NEAR THE SURFACE WEAK DIURNAL FLOW WILL PREVAIL THROUGH SUNDAY (WEAK OFFSHORE NIGHT/MORNING AND WEAK ONSHORE AFTERNOON/EVENING). ON MONDAY...THE ONSHORE FLOW WILL BECOME DOMINATE ACROSS THE AREA...AND CONTINUE WITH A NORTHWEST INFLUENCE ON TUESDAY. FORECAST WISE...SATURDAY AND SUNDAY WILL BE VERY NICE DAYS. THE OFFSHORE FLOW SHOULD KEEP THE AREA STRATUS FREE WHILE ALLOWING FOR SOME VERY NICE TEMPS. ON MONDAY AND TUESDAY...A COOLING TREND SHOULD DEVELOP FOR ALL AREAS. WITH THE POTENTIAL FOR AN INSIDE SLIDER ON TUESDAY...WILL HAVE TO MONITOR THE POSSIBILITY OF SOME SHOWERS. HOWEVER AT THIS TIME...WILL KEEP THE AREA DRY AS THIS IS THE FIRST ECMWF RUN WITH THIS INSIDE SLIDER. AS FOR WINDS...THERE MAY BE SOME LIGHT NORTHEAST BREEZES THROUGH/BELOW PASSES AND CANYONS ON SATURDAY AND SUNDAY...THEN GUSTY ONSHORE WINDS ACROSS THE MOUNTAINS AND DESERTS ON MONDAY AND TUESDAY. && .AVIATION...26/1200Z. PREDOMINANTLY VFR CONDITIONS WILL CONTINUE THROUGH 17Z THIS MORNING...EXCEPT FOR OCCASIONAL IFR TO MVFR CONDITIONS AT COASTAL AND VALLEY TERMINALS AND VLIFR TO LIFR CONDITIONS AT KPRB. PERIODS OF MODERATE TO LOCALLY STRONG WIND SHEAR AND TURBULENCE WILL DEVELOP AT KPMD AND KWJF THIS MORNING...AND AT KBUR...KVNY...KOXR TONIGHT. KLAX...THERE IS A 30 PERCENT CHANCE OF MVFR CONDITIONS THROUGH 17Z THIS MORNING...OTHERWISE VFR CONDITIONS WILL BECOME PREDOMINANT. ANY EAST WINDS WILL LIKELY REMAIN LESS THAN 10 KNOTS TONIGHT. KBUR...THERE IS A 30 PERCENT CHANCE OF MVFR CONDITIONS THROUGH 15Z THIS MORNING...OTHERWISE VFR CONDITIONS WILL BECOME PREDOMINANT. PERIODS OF MODERATE TO OCCASIONALLY STRONG WIND SHEAR AND TURBULENCE IS EXPECTED BETWEEN 06Z TONIGHT AND 13Z WEDNESDAY. && .FIRE WEATHER... WITH INCREASES CONFIDENCE IN A MODERATE SANTA ANA WIND EVENT THROUGH THURSDAY...THERE WILL DEFINITELY BE SIGNIFICANT FIRE WEATHER CONCERNS THE NEXT COUPLE OF DAYS. CURRENTLY THERE IS A RED FLAG WARNING IN EFFECT FOR THE VENTURA AND LA MOUNTAINS (EXCLUDING THE SANTA MONICAS) FROM THIS AFTERNOON THROUGH THURSDAY AFTERNOON. THIS LOOKS VERY GOOD AS THE RELATIVE HUMIDITY SHOULD DROP TO VERY LOW LEVELS LATER THIS AFTERNOON (AND REMAIN VERY LOW THROUGH THURSDAY) WHILE THE WINDS INCREASE TO ADVISORY LEVELS FOR A SUFFICIENT DURATION. THE MORE TRICKY PART OF THE FORECAST WILL BE THE VALLEYS AND SANTA MONICA MOUNTAINS. WHILE THESE AREAS WILL EXPERIENCE THE GUSTY WINDS AND VERY LOW RELATIVE HUMIDITY ALSO...CRITICAL CONDITIONS MAY OR MAY NOT REACH DURATION THRESHOLDS. THE POTENTIAL FOR RED FLAG CONDITIONS FOR THESE AREAS WILL HAVE TO BE COORDINATED AMONG THE LOCAL OFFICES AND FIRE AGENCIES DURING THE DAY SHIFT TODAY. EITHER WITH OR WITHOUT A RED FLAG WARNING...THE VALLEYS AND SANTA MONICA MOUNTAINS WILL DEFINITELY HAVE A VERY HEIGHTENED FIRE WEATHER CONCERN THROUGH THURSDAY. FROM THURSDAY AFTERNOON THROUGH SATURDAY...WEAK OFFSHORE FLOW WILL PERSIST ACROSS THE AREA. THE OFFSHORE WINDS WILL BE MUCH WEAKER. HOWEVER...THE VERY DRY AIR MASS WILL REMAIN IN PLACE. SO...A HEIGHTENED FIRE WEATHER CONCERN WILL CONTINUE THROUGH SATURDAY. && .LOX WATCHES/WARNINGS/ADVISORIES... RED FLAG WARNING (SEE LAXRFWLOX). FREEZE WATCH (SEE LAXNPWLOX). FROST ADVISORY (SEE LAXNPWLOX). SPECIAL WEATHER STATEMENT (SEE LAXSPSLOX). && PUBLIC...THOMPSON AVIATION...HALL SYNOPSIS...RAT WWW.WEATHER.GOV/LOSANGELES
Hazardous weather outlook, Oct 25, 4:03 PM PDT, 11 hours 42 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 403 PM PDT TUE OCT 25 2011 CAZ034>041-044>046-051>054-059-087-088-547-548-261300- 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- 403 PM PDT TUE OCT 25 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA. .DAY ONE... TODAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. * SPECIAL WEATHER STATEMENT..SEE WWUS86 KLOX - SPSLOX FOR DETAILS * .DAYS TWO THROUGH SEVEN... WEDNESDAY THROUGH MONDAY FROM WEDNESDAY AFTERNOON THROUGH THURSDAY MORNING...THERE WILL BE A MODERATE SANTA ANA WIND EVENT. GUSTY OFFSHORE WINDS WILL MOSTLY BE FOCUSED BELOW AND THROUGH PASSES AND CANYONS OF LOS ANGELES AND VENTURA COUNTIES. WITH THE OFFSHORE WINDS... HUMIDITIES WILL FALL INTO SINGLE DIGITS ACROSS INLAND PORTIONS OF SOUTHERN CALIFORNIA WEDNESDAY AFTERNOON INTO THURSDAY. WHILE OFFSHORE WINDS ARE EXPECTED TO DIMINISH LATE THURSDAY...A VERY DRY AND WARM AIR MASS WILL LIKELY LINGER INTO THE WEEKEND. A RED FLAG WARNING HAS BEEN ISSUED FOR THE MOUNTAINS OF LOS ANGELES AND VENTURA COUNTIES DUE TO THIS OFFSHORE WIND EVENT AND LOWER RELATIVE HUMIDITIES EXPECTED FOR WEDNESDAY AFTERNOON THROUGH THURSDAY AFTERNOON. THE GREATEST CONCERN IS IN THE MOUNTAINS...WHERE THE STRONGEST AND LONGER DURATION WINDS ARE EXPECTED. THE INFLUX OF VERY DRY AIR WILL ALLOW MUCH COLDER TEMPERATURES ON WEDNESDAY AND THURSDAY NIGHTS ACROSS ACROSS WIND PROTECTEDPORTIONS OF THE MOUNTAINS...ANTELOPE VALLEY...AND INTERIOR VALLEYSOF SAN LUIS OBISPO AND SANTA BARBARA COUNTIES. THERE IS THE POTENTIAL FOR TEMPERATURES TO APPROACH THE FREEZING MARK IN THE ANTELOPE VALLEY. * RED FLAG WARNING...........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
The office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 26, 3:45 AM PDT | Frost Advisory | LOX | Santa Barbara | 29 hr |
| Oct 26, 3:45 AM PDT | Freeze Watch | LOX | 36 hr |
Nearby
Wind Advisories in California, 2011Every wind advisory in 2011
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.