Alert archive / California / Frost Advisories in 2011
Frost Advisory 2, NWS Los Angeles, CA
NWS Los Angeles, CA issued this frost advisory at Feb 26, 2011, 3:06 AM PST for Los Angeles County, California. It took effect at Feb 27, 2011, 2:00 AM PST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Feb 26, 2011, 3:06 AM PST (11:06 UTC)
- In effect from
- Feb 27, 2011, 2:00 AM PST
- Expired
- Feb 27, 2011, 8:00 AM PST
- In force
- 6 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 11:07 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, 11.1 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
- 1246 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- -40 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
995 WWUS76 KLOX 261106 NPWLOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 306 AM PST SAT FEB 26 2011 ...WIDESPREAD FROST EXPECTED ACROSS SOUTHWESTERN CALIFORNIA... .A VERY COLD AIR MASS WILL MOVE IN BEHIND THE EXITING STORM SYSTEM TONIGHT. MANY LOCATIONS WILL DROP TO SUBFREEZING TEMPERATURES DURING THE PRE-DAWN HOURS SUNDAY MORNING. WIDESPREAD FROST WILL DEVELOP IN SEVERAL AREAS EARLY SUNDAY. ALTHOUGH MOST AREAS WILL BE AFFECTED BY WIDESPREAD FROST...ONLY DESIGNATED REGIONS THAT ARE NOT ACCUSTOMED TO SUCH COLD TEMPERATURES WILL BE MENTIONED IN THE FROST ADVISORIES. AREAS SUCH AS THE ANTELOPE VALLEY AND OTHER INTERIOR VALLEY LOCATIONS AS WELL AS THE CENTRAL COAST WILL NOT BE MENTIONED AS THESE REGIONS HAVE ALREADY HAD SEVERAL HARD FREEZES. CAZ039-261915- /O.NEW.KLOX.FR.Y.0002.110227T1000Z-110227T1600Z/ SANTA BARBARA COUNTY SOUTH COAST- INCLUDING...SANTA BARBARA...MONTECITO...CARPINTERIA 306 AM PST SAT FEB 26 2011 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY. * TEMPERATURE: TEMPERATURES WILL DROP TO BETWEEN 29 TO 32 DEGREES IN WIND PROTECTED AREAS FOR AT LEAST 3 HOURS EARLY SUNDAY MORNING. * IMPACTS: SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PETS SHOULD BE BROUGHT INDOORS OR IN A BARN OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS IMMINENT. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ CAZ040-261915- /O.NEW.KLOX.FR.Y.0002.110227T1000Z-110227T1600Z/ VENTURA COUNTY COAST- INCLUDING...VENTURA...OXNARD...CAMARILLO 306 AM PST SAT FEB 26 2011 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY. * TEMPERATURE: TEMPERATURES WILL DROP TO BETWEEN 30 TO 32 DEGREES ACROSS THE WIND PROTECTED INTERIOR PORTION OF THE OXNARD PLAIN FOR AT LEAST 3 HOURS EARLY SUNDAY MORNING. * IMPACTS: SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PETS SHOULD BE BROUGHT INDOORS OR IN A BARN OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS IMMINENT. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ CAZ044-045-261915- /O.NEW.KLOX.FR.Y.0002.110227T1000Z-110227T1600Z/ VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS- INCLUDING...SANTA PAULA...FILLMORE...OJAI...PIRU... THOUSAND OAKS...NEWBURY PARK...MOORPARK...SIMI VALLEY 306 AM PST SAT FEB 26 2011 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY. * TEMPERATURE: TEMPERATURES WILL DROP TO BETWEEN 29 TO 32 DEGREES IN WIND PROTECTED AREAS FOR AT LEAST 3 HOURS EARLY SUNDAY MORNING. * IMPACTS: SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PETS SHOULD BE BROUGHT INDOORS OR IN A BARN OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS IMMINENT. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ CAZ088-261915- /O.NEW.KLOX.FR.Y.0002.110227T1000Z-110227T1600Z/ SANTA CLARITA VALLEY- INCLUDING...SANTA CLARITA...NEWHALL...VALENCIA 306 AM PST SAT FEB 26 2011 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY. * TEMPERATURE: TEMPERATURES WILL DROP TO BETWEEN 28 TO 32 DEGREES IN WIND PROTECTED AREAS FOR AT LEAST 3 HOURS EARLY SUNDAY MORNING. * IMPACTS: SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PETS SHOULD BE BROUGHT INDOORS OR IN A BARN OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS IMMINENT. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ CAZ547-548-261915- /O.NEW.KLOX.FR.Y.0002.110227T1000Z-110227T1600Z/ LOS ANGELES COUNTY SAN FERNANDO VALLEY- LOS ANGELES COUNTY SAN GABRIEL VALLEY- INCLUDING...WOODLAND HILLS...NORTHRIDGE...BURBANK... UNIVERSAL CITY...PASADENA...SAN GABRIEL...POMONA 306 AM PST SAT FEB 26 2011 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY. * TEMPERATURE: TEMPERATURES WILL DROP TO BETWEEN 29 TO 32 DEGREES IN WIND PROTECTED AREAS FOR AT LEAST 3 HOURS EARLY SUNDAY MORNING. * IMPACTS: SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PETS SHOULD BE BROUGHT INDOORS OR IN A BARN OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS IMMINENT. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ KAPLAN/ASR
4 follow-up statements
867 WWUS76 KLOX 261903 NPWLOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 1103 AM PST SAT FEB 26 2011 ...WIDESPREAD FROST EXPECTED ACROSS SOUTHWESTERN CALIFORNIA... .A VERY COLD AIR MASS WILL MOVE IN BEHIND THE EXITING STORM SYSTEM TONIGHT. MANY WIND PROTECTED LOCATIONS WILL DROP TO SUBFREEZING TEMPERATURES DURING THE PRE-DAWN HOURS SUNDAY MORNING. CAZ039-270600- /O.CON.KLOX.FR.Y.0002.110227T1000Z-110227T1600Z/ SANTA BARBARA COUNTY SOUTH COAST- INCLUDING...SANTA BARBARA...MONTECITO...CARPINTERIA 1103 AM PST SAT FEB 26 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY. * TEMPERATURE: TEMPERATURES WILL DROP TO BETWEEN 29 TO 32 DEGREES IN WIND PROTECTED AREAS FOR AT LEAST 3 HOURS EARLY SUNDAY MORNING. * IMPACTS: SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... SENSITIVE OUTDOOR PLANTS SHOULD BE COVERED OR BROUGHT INDOORS. PETS SHOULD BE BROUGHT INDOORS OR IN A BARN OVERNIGHT. && $$ CAZ040-270600- /O.CON.KLOX.FR.Y.0002.110227T1000Z-110227T1600Z/ VENTURA COUNTY COAST- INCLUDING...VENTURA...OXNARD...CAMARILLO 1103 AM PST SAT FEB 26 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY. * TEMPERATURE: TEMPERATURES WILL DROP TO BETWEEN 30 TO 32 DEGREES ACROSS THE WIND PROTECTED INTERIOR PORTION OF THE OXNARD PLAIN FOR AT LEAST 3 HOURS EARLY SUNDAY MORNING. * IMPACTS: SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... SENSITIVE OUTDOOR PLANTS SHOULD BE COVERED OR BROUGHT INDOORS. PETS SHOULD BE BROUGHT INDOORS OR IN A BARN OVERNIGHT. && $$ CAZ044-045-270600- /O.CON.KLOX.FR.Y.0002.110227T1000Z-110227T1600Z/ VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS- INCLUDING...SANTA PAULA...FILLMORE...OJAI...PIRU... THOUSAND OAKS...NEWBURY PARK...MOORPARK...SIMI VALLEY 1103 AM PST SAT FEB 26 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY. * TEMPERATURE: TEMPERATURES WILL DROP TO BETWEEN 29 TO 32 DEGREES IN WIND PROTECTED AREAS FOR AT LEAST 3 HOURS EARLY SUNDAY MORNING. * IMPACTS: SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... SENSITIVE OUTDOOR PLANTS SHOULD BE COVERED OR BROUGHT INDOORS. PETS SHOULD BE BROUGHT INDOORS OR IN A BARN OVERNIGHT. && $$ CAZ088-270600- /O.CON.KLOX.FR.Y.0002.110227T1000Z-110227T1600Z/ SANTA CLARITA VALLEY- INCLUDING...SANTA CLARITA...NEWHALL...VALENCIA 1103 AM PST SAT FEB 26 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY. * TEMPERATURE: TEMPERATURES WILL DROP TO BETWEEN 28 TO 32 DEGREES IN WIND PROTECTED AREAS FOR AT LEAST 3 HOURS EARLY SUNDAY MORNING. * IMPACTS: SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... SENSITIVE OUTDOOR PLANTS SHOULD BE COVERED OR BROUGHT INDOORS. PETS SHOULD BE BROUGHT INDOORS OR IN A BARN OVERNIGHT. && $$ CAZ547-548-270600- /O.CON.KLOX.FR.Y.0002.110227T1000Z-110227T1600Z/ LOS ANGELES COUNTY SAN FERNANDO VALLEY- LOS ANGELES COUNTY SAN GABRIEL VALLEY- INCLUDING...WOODLAND HILLS...NORTHRIDGE...BURBANK... UNIVERSAL CITY...PASADENA...SAN GABRIEL...POMONA 1103 AM PST SAT FEB 26 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY. * TEMPERATURE: TEMPERATURES WILL DROP TO BETWEEN 29 TO 32 DEGREES IN WIND PROTECTED AREAS FOR AT LEAST 3 HOURS EARLY SUNDAY MORNING. * IMPACTS: SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... SENSITIVE OUTDOOR PLANTS SHOULD BE COVERED OR BROUGHT INDOORS. PETS SHOULD BE BROUGHT INDOORS OR IN A BARN OVERNIGHT. && $$ WOFFORD
957 WWUS76 KLOX 270453 NPWLOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 853 PM PST SAT FEB 26 2011 ...WIDESPREAD FROST EXPECTED ACROSS SOUTHWESTERN CALIFORNIA... ...GUSTY WINDS EXPECTED ACROSS THE MOUNTAINS TONIGHT INTO EARLY SUNDAY... .A VERY COLD AIR MASS WILL MOVE IN BEHIND THE EXITING STORM SYSTEM TONIGHT. MANY WIND PROTECTED LOCATIONS WILL DROP TO SUBFREEZING TEMPERATURES DURING THE PRE-DAWN HOURS SUNDAY MORNING. IN ADDITION...GUSTY NORTHERLY WINDS WILL DEVELOP ACROSS THE MOUNTAINS TONIGHT IN THE WAKE OF THE COLD UPPER LOW PRESSURE SYSTEM MOVING EAST. CAZ053-054-271300- /O.NEW.KLOX.WI.Y.0018.110227T0453Z-110227T1700Z/ VENTURA COUNTY MOUNTAINS- LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING...LOCKWOOD VALLEY...MOUNT PINOS...ACTON... MOUNT WILSON...SANDBERG 853 PM PST SAT FEB 26 2011 ...WIND ADVISORY IN EFFECT UNTIL 9 AM PST SUNDAY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM PST SUNDAY. * TIMING: NORTHERLY WINDS WILL INCREASE OVERNIGHT. * WINDS: NORTHWEST TO NORTH 25 TO 35 MPH WITH GUSTS TO 50 MPH...STRONGEST NEAR I5 CORRIDOR. * IMPACTS: THE COMINBATION OF GUSTY WINDS AND ICY CONDITIONS WILL MAKE FOR TREACHEROUS DRIVING CONDITIONS ACROSS MANY MOUNTAIN ROADWAYS. 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. && $$ CAZ052-271300- /O.NEW.KLOX.WI.Y.0018.110227T0453Z-110227T1700Z/ SANTA BARBARA COUNTY MOUNTAINS- INCLUDING...SAN MARCOS PASS...SAN RAFAEL WILDERNESS AREA... DICK SMITH WILDERNESS AREA 853 PM PST SAT FEB 26 2011 ...WIND ADVISORY IN EFFECT UNTIL 9 AM PST SUNDAY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM PST SUNDAY. * TIMING: NORTHERLY WINDS WILL INCREASE OVERNIGHT. * WINDS: NORTH TO NORTHEAST 20 TO 30 MPH WITH GUSTS TO 45 MPH...STRONGEST THROUGH PASSES AND CANYONS. * IMPACTS: THE COMINBATION OF GUSTY WINDS AND ICY CONDITIONS WILL MAKE FOR TREACHEROUS DRIVING CONDITIONS ACROSS MANY MOUNTAIN ROADWAYS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ039-271300- /O.CON.KLOX.FR.Y.0002.110227T1000Z-110227T1600Z/ SANTA BARBARA COUNTY SOUTH COAST- INCLUDING...SANTA BARBARA...MONTECITO...CARPINTERIA 853 PM PST SAT FEB 26 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY. * TEMPERATURE: TEMPERATURES WILL DROP TO BETWEEN 29 TO 32 DEGREES IN WIND PROTECTED AREAS FOR AT LEAST 3 HOURS EARLY SUNDAY MORNING. * IMPACTS: SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... SENSITIVE OUTDOOR PLANTS SHOULD BE COVERED OR BROUGHT INDOORS. PETS SHOULD BE BROUGHT INDOORS OR IN A BARN OVERNIGHT. && $$ CAZ040-271300- /O.CON.KLOX.FR.Y.0002.110227T1000Z-110227T1600Z/ VENTURA COUNTY COAST- INCLUDING...VENTURA...OXNARD...CAMARILLO 853 PM PST SAT FEB 26 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY. * TEMPERATURE: TEMPERATURES WILL DROP TO BETWEEN 30 TO 32 DEGREES ACROSS THE WIND PROTECTED INTERIOR PORTION OF THE OXNARD PLAIN FOR AT LEAST 3 HOURS EARLY SUNDAY MORNING. * IMPACTS: SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... SENSITIVE OUTDOOR PLANTS SHOULD BE COVERED OR BROUGHT INDOORS. PETS SHOULD BE BROUGHT INDOORS OR IN A BARN OVERNIGHT. && $$ CAZ044-045-271300- /O.CON.KLOX.FR.Y.0002.110227T1000Z-110227T1600Z/ VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS- INCLUDING...SANTA PAULA...FILLMORE...OJAI...PIRU... THOUSAND OAKS...NEWBURY PARK...MOORPARK...SIMI VALLEY 853 PM PST SAT FEB 26 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY. * TEMPERATURE: TEMPERATURES WILL DROP TO BETWEEN 29 TO 32 DEGREES IN WIND PROTECTED AREAS FOR AT LEAST 3 HOURS EARLY SUNDAY MORNING. ISOLATED READINGS INTO THE MID 20S WILL BE POSSIBLE IN THE OJAI VALLEY. * IMPACTS: SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... SENSITIVE OUTDOOR PLANTS SHOULD BE COVERED OR BROUGHT INDOORS. PETS SHOULD BE BROUGHT INDOORS OR IN A BARN OVERNIGHT. && $$ CAZ088-271300- /O.CON.KLOX.FR.Y.0002.110227T1000Z-110227T1600Z/ SANTA CLARITA VALLEY- INCLUDING...SANTA CLARITA...NEWHALL...VALENCIA 853 PM PST SAT FEB 26 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY. * TEMPERATURE: TEMPERATURES WILL DROP TO BETWEEN 28 TO 32 DEGREES IN WIND PROTECTED AREAS FOR AT LEAST 3 HOURS EARLY SUNDAY MORNING. * IMPACTS: SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... SENSITIVE OUTDOOR PLANTS SHOULD BE COVERED OR BROUGHT INDOORS. PETS SHOULD BE BROUGHT INDOORS OR IN A BARN OVERNIGHT. && $$ CAZ547-548-271300- /O.CON.KLOX.FR.Y.0002.110227T1000Z-110227T1600Z/ LOS ANGELES COUNTY SAN FERNANDO VALLEY- LOS ANGELES COUNTY SAN GABRIEL VALLEY- INCLUDING...WOODLAND HILLS...NORTHRIDGE...BURBANK... UNIVERSAL CITY...PASADENA...SAN GABRIEL...POMONA 853 PM PST SAT FEB 26 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM PST SUNDAY. * TEMPERATURE: TEMPERATURES WILL DROP TO BETWEEN 29 TO 32 DEGREES IN WIND PROTECTED AREAS FOR AT LEAST 3 HOURS EARLY SUNDAY MORNING. * IMPACTS: SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... SENSITIVE OUTDOOR PLANTS SHOULD BE COVERED OR BROUGHT INDOORS. PETS SHOULD BE BROUGHT INDOORS OR IN A BARN OVERNIGHT. && $$ GOMBERG
346 WWUS76 KLOX 271204 NPWLOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 404 AM PST SUN FEB 27 2011 ...WIDESPREAD FROST EXPECTED ACROSS SOUTHWESTERN CALIFORNIA THROUGH MID MORNING... ...GUSTY WINDS EXPECTED ACROSS THE MOUNTAINS THROUGH MID MORNING... .A VERY COLD AIR MASS IS SITTING ATOP OF THE AREA THIS MORNING. MANY WIND PROTECTED LOCATIONS WILL EXPERIENCE SUBFREEZING TEMPERATURES THROUGH MID MORNING. IN ADDITION...THERE WILL BE GUSTY NORTH WINDS ACROSS THE MOUNTAINS IN THE MORNING. CAZ039-271600- /O.CON.KLOX.FR.Y.0002.000000T0000Z-110227T1600Z/ SANTA BARBARA COUNTY SOUTH COAST- INCLUDING...SANTA BARBARA...MONTECITO...CARPINTERIA 404 AM PST SUN FEB 27 2011 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS MORNING... A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS MORNING. * TEMPERATURE: TEMPERATURES WILL DROP TO BETWEEN 29 TO 32 DEGREES IN WIND PROTECTED AREAS FOR AT LEAST 3 HOURS EARLY THIS MORNING. * IMPACTS: SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... SENSITIVE OUTDOOR PLANTS SHOULD BE COVERED OR BROUGHT INDOORS. PETS SHOULD BE BROUGHT INDOORS OR IN A BARN OVERNIGHT. && $$ CAZ040-271600- /O.CON.KLOX.FR.Y.0002.000000T0000Z-110227T1600Z/ VENTURA COUNTY COAST- INCLUDING...VENTURA...OXNARD...CAMARILLO 404 AM PST SUN FEB 27 2011 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS MORNING... A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS MORNING. * TEMPERATURE: TEMPERATURES WILL DROP TO BETWEEN 30 TO 32 DEGREES ACROSS THE WIND PROTECTED INTERIOR PORTION OF THE OXNARD PLAIN FOR AT LEAST 3 HOURS EARLY THIS MORNING. * IMPACTS: SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... SENSITIVE OUTDOOR PLANTS SHOULD BE COVERED OR BROUGHT INDOORS. PETS SHOULD BE BROUGHT INDOORS OR IN A BARN OVERNIGHT. && $$ CAZ044-045-271600- /O.CON.KLOX.FR.Y.0002.000000T0000Z-110227T1600Z/ VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS- INCLUDING...SANTA PAULA...FILLMORE...OJAI...PIRU... THOUSAND OAKS...NEWBURY PARK...MOORPARK...SIMI VALLEY 404 AM PST SUN FEB 27 2011 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS MORNING... A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS MORNING. * TEMPERATURE: TEMPERATURES WILL DROP TO BETWEEN 29 TO 32 DEGREES IN WIND PROTECTED AREAS FOR AT LEAST 3 HOURS EARLY THIS MORNING. ISOLATED READINGS INTO THE MID 20S WILL BE POSSIBLE IN THE OJAI VALLEY. * IMPACTS: SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... SENSITIVE OUTDOOR PLANTS SHOULD BE COVERED OR BROUGHT INDOORS. PETS SHOULD BE BROUGHT INDOORS OR IN A BARN OVERNIGHT. && $$ CAZ088-271600- /O.CON.KLOX.FR.Y.0002.000000T0000Z-110227T1600Z/ SANTA CLARITA VALLEY- INCLUDING...SANTA CLARITA...NEWHALL...VALENCIA 404 AM PST SUN FEB 27 2011 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS MORNING... A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS MORNING. * TEMPERATURE: TEMPERATURES WILL DROP TO BETWEEN 28 TO 32 DEGREES IN WIND PROTECTED AREAS FOR AT LEAST 3 HOURS EARLY THIS MORNING. * IMPACTS: SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... SENSITIVE OUTDOOR PLANTS SHOULD BE COVERED OR BROUGHT INDOORS. PETS SHOULD BE BROUGHT INDOORS OR IN A BARN OVERNIGHT. && $$ CAZ547-548-271600- /O.CON.KLOX.FR.Y.0002.000000T0000Z-110227T1600Z/ LOS ANGELES COUNTY SAN FERNANDO VALLEY- LOS ANGELES COUNTY SAN GABRIEL VALLEY- INCLUDING...WOODLAND HILLS...NORTHRIDGE...BURBANK... UNIVERSAL CITY...PASADENA...SAN GABRIEL...POMONA 404 AM PST SUN FEB 27 2011 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS MORNING... A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS MORNING. * TEMPERATURE: TEMPERATURES WILL DROP TO BETWEEN 29 TO 32 DEGREES IN WIND PROTECTED AREAS FOR AT LEAST 3 HOURS EARLY THIS MORNING. * IMPACTS: SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... SENSITIVE OUTDOOR PLANTS SHOULD BE COVERED OR BROUGHT INDOORS. PETS SHOULD BE BROUGHT INDOORS OR IN A BARN OVERNIGHT. && $$ CAZ053-054-271700- /O.CON.KLOX.WI.Y.0018.000000T0000Z-110227T1700Z/ VENTURA COUNTY MOUNTAINS- LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING...LOCKWOOD VALLEY...MOUNT PINOS...ACTON... MOUNT WILSON...SANDBERG 404 AM PST SUN FEB 27 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING. * TIMING: STRONG NORTHERLY WINDS WILL LAST THROUGH MID MORNING BEFORE DIMINISHING. * WINDS: NORTHWEST TO NORTH 25 TO 35 MPH WITH GUSTS TO 50 MPH... STRONGEST NEAR I5 CORRIDOR. * IMPACTS: THE COMBINATION OF GUSTY WINDS AND ICY CONDITIONS WILL MAKE FOR TREACHEROUS DRIVING CONDITIONS ACROSS MANY MOUNTAIN ROADWAYS. 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. && $$ CAZ052-271700- /O.CON.KLOX.WI.Y.0018.000000T0000Z-110227T1700Z/ SANTA BARBARA COUNTY MOUNTAINS- INCLUDING...SAN MARCOS PASS...SAN RAFAEL WILDERNESS AREA... DICK SMITH WILDERNESS AREA 404 AM PST SUN FEB 27 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING. * TIMING: STRONG NORTHERLY WINDS WILL LAST THROUGH MID MORNING BEFORE DIMINISHING. * WINDS: NORTH TO NORTHEAST 20 TO 30 MPH WITH GUSTS TO 45 MPH... STRONGEST THROUGH PASSES AND CANYONS. * IMPACTS: THE COMBINATION OF GUSTY WINDS AND ICY CONDITIONS WILL MAKE FOR TREACHEROUS DRIVING CONDITIONS ACROSS MANY MOUNTAIN ROADWAYS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ ASR
894 WWUS76 KLOX 271601 NPWLOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 801 AM PST SUN FEB 27 2011 CAZ039-271715- /O.EXP.KLOX.FR.Y.0002.000000T0000Z-110227T1600Z/ SANTA BARBARA COUNTY SOUTH COAST- INCLUDING...SANTA BARBARA...MONTECITO...CARPINTERIA 801 AM PST SUN FEB 27 2011 ...FROST ADVISORY WILL EXPIRE AT 8 AM PST THIS MORNING... THE FROST ADVISORY WILL EXPIRE AT 8 AM PST THIS MORNING. TEMPERATURES ARE WARMING UP ABOVE FREEZING THIS MORNING BUT ARE EXPECTED TO FALL TO NEAR OR SLIGHTLY BELOW FREEZING WITH AREAS OF FROST AGAIN LATER TONIGHT. $$ CAZ040-271715- /O.EXP.KLOX.FR.Y.0002.000000T0000Z-110227T1600Z/ VENTURA COUNTY COAST- INCLUDING...VENTURA...OXNARD...CAMARILLO 801 AM PST SUN FEB 27 2011 ...FROST ADVISORY WILL EXPIRE AT 8 AM PST THIS MORNING... THE FROST ADVISORY WILL EXPIRE AT 8 AM PST THIS MORNING. TEMPERATURES ARE WARMING UP THIS MORNING BUT ARE EXPECTED TO FALL TO BETWEEN 32 AND 34 DEGREES WITH PATCHY FROST IN MANY AREAS AGAIN LATER TONIGHT. $$ CAZ044-045-271715- /O.EXP.KLOX.FR.Y.0002.000000T0000Z-110227T1600Z/ VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS- INCLUDING...SANTA PAULA...FILLMORE...OJAI...PIRU... THOUSAND OAKS...NEWBURY PARK...MOORPARK...SIMI VALLEY 801 AM PST SUN FEB 27 2011 ...FROST ADVISORY WILL EXPIRE AT 8 AM PST THIS MORNING... THE FROST ADVISORY WILL EXPIRE AT 8 AM PST THIS MORNING. TEMPERATURES ARE WARMING UP ABOVE FREEZING THIS MORNING BUT ARE EXPECTED TO FALL BELOW FREEZING WITH AREAS OF FROST AGAIN LATER TONIGHT. $$ CAZ088-271715- /O.EXP.KLOX.FR.Y.0002.000000T0000Z-110227T1600Z/ SANTA CLARITA VALLEY- INCLUDING...SANTA CLARITA...NEWHALL...VALENCIA 801 AM PST SUN FEB 27 2011 ...FROST ADVISORY WILL EXPIRE AT 8 AM PST THIS MORNING... THE FROST ADVISORY WILL EXPIRE AT 8 AM PST THIS MORNING. TEMPERATURES ARE WARMING UP ABOVE FREEZING THIS MORNING BUT ARE EXPECTED TO FALL TO NEAR OR BELOW FREEZING WITH AREAS OF FROST AGAIN LATER TONIGHT. $$ CAZ547-548-271715- /O.EXP.KLOX.FR.Y.0002.000000T0000Z-110227T1600Z/ LOS ANGELES COUNTY SAN FERNANDO VALLEY- LOS ANGELES COUNTY SAN GABRIEL VALLEY- INCLUDING...WOODLAND HILLS...NORTHRIDGE...BURBANK... UNIVERSAL CITY...PASADENA...SAN GABRIEL...POMONA 801 AM PST SUN FEB 27 2011 ...FROST ADVISORY WILL EXPIRE AT 8 AM PST THIS MORNING... THE FROST ADVISORY WILL EXPIRE AT 8 AM PST THIS MORNING. TEMPERATURES ARE WARMING UP ABOVE FREEZING THIS MORNING BUT ARE EXPECTED TO FALL TO NEAR OR BELOW FREEZING WITH AREAS OF FROST AGAIN LATER TONIGHT. $$ CAZ053-054-271715- /O.CON.KLOX.WI.Y.0018.000000T0000Z-110227T1700Z/ VENTURA COUNTY MOUNTAINS- LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING...LOCKWOOD VALLEY...MOUNT PINOS...ACTON... MOUNT WILSON...SANDBERG 801 AM PST SUN FEB 27 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING. * TIMING: STRONG NORTHERLY WINDS WILL LAST THROUGH MID MORNING BEFORE DIMINISHING. * WINDS: NORTHWEST TO NORTH 25 TO 35 MPH WITH GUSTS TO 50 MPH...STRONGEST THROUGH THE INTERSTATE 5 CORRIDOR. * IMPACTS: THE COMBINATION OF GUSTY WINDS AND ICY CONDITIONS WILL MAKE FOR TREACHEROUS DRIVING CONDITIONS ACROSS MANY MOUNTAIN ROADWAYS. PRECAUTIONARY/PREPAREDNESS ACTIONS... WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ052-271715- /O.CON.KLOX.WI.Y.0018.000000T0000Z-110227T1700Z/ SANTA BARBARA COUNTY MOUNTAINS- INCLUDING...SAN MARCOS PASS...SAN RAFAEL WILDERNESS AREA... DICK SMITH WILDERNESS AREA 801 AM PST SUN FEB 27 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING. * TIMING: STRONG NORTHERLY WINDS WILL LAST THROUGH MID MORNING BEFORE DIMINISHING. * WINDS: NORTH TO NORTHEAST 20 TO 30 MPH WITH GUSTS TO 45 MPH...STRONGEST THROUGH PASSES AND CANYONS. * IMPACTS: THE COMBINATION OF GUSTY WINDS AND ICY CONDITIONS WILL MAKE FOR TREACHEROUS DRIVING CONDITIONS ACROSS MANY MOUNTAIN ROADWAYS. PRECAUTIONARY/PREPAREDNESS ACTIONS... WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ WOFFORD
What forecasters said that day
The local office's own words before this frost 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 frost advisory went out at Feb 25, 9:35 PM PST, 5 hours 31 minutes earlier.
Area forecast discussion, Feb 25, 9:35 PM PST, 5 hours 31 minutes before
SOUTHWEST CALIFORNIA AREA FORECAST DISCUSSION...UPDATE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 935 PM PST FRI FEB 25 2011 ***UPDATE FOR NEW AVIATION DISCUSSION*** .SYNOPSIS... A LOW PRESSURE SYSTEM WILL MOVE DOWN THE COAST TONIGHT. RAIN WILL TURN TO SHOWERS OVERNIGHT WITH SCATTERED SHOWERS AND POSSIBLE THUNDERSTORMS SATURDAY. VERY COLD AIR BEHIND THE FRONT WILL BRING VERY LOW SNOW LEVELS...WITH NEAR RECORD COLD TEMPERATURES SATURDAY AND SATURDAY NIGHT. WARMING SUNDAY THROUGH TUESDAY AS THE LOW DEPARTS. ANOTHER POSSIBILITY OF RAIN FOR THE MIDDLE TO END OF NEXT WEEK. && .SHORT TERM (TODAY-MON)... FORECAST IN GOOD SHAPE THIS EVENING WITH COLD FRONT JUST ABOUT TO MOVE INTO WESTERN VENTURA COUNTY AFTER GIVING THE SBA SOUTH COAST A GOOD SOAKING WITH ABOUT AN INCH FALL IN THE LAST 4 HOURS WITH SLIGHTLY HIGHER AMOUNTS IN THE FOOTHILL. ACROSS THE REST OF SLO AND SBA COUNTIES ABOUT A HALF TO AN INCH OF RAIN HAS FALLEN SO FAR. SO FAR HARDLY ANY RAIN HAS FALLEN ACROSS THE EASTERN PORTION OF L.A. COUNTY AND A QUARTER INCH TO A HALF INCH HAS FALLEN ACROSS THE WESTERN THIRD. THE WINDS HAVE SETTLED DOWN ACROSS SBA AND SLO COUNTIES AND THE WIND ADVISORIES HAVE BEEN ALLOWED TO EXPIRE. GUSTS TO 50 MPH WILL CONTINUE IN THE MTNS OF SBA/VTA/LA COUNTIES AS WELL AS THE ANTELOPE VLY WHERE THE WINDS ARE COVERED BY A WINTER STORM WARING (MTNS) AND A WIND ADVISORY (ANTELOPE VLY) THE SANTA MONICA RANGE IS ALSO UNDER A WIND ADVISORY WHERE THE WINDS HAVE NOT COME UP YET...BUT THEY WILL LIKELY AS THE FRONT APPROACHES. SNOW LEVELS ARE CURRENTLY BETWEEN 4000 AND 5000 FEET AHEAD OF THE FRONT WITH SNOW STICKING 5000 FT AND ABOVE. SNOW WILL BEGIN TO FALL ON THE GRAPEVINE OVER THE NEXT FEW HOURS. RADAR SHOWS THE COLD AIR TROF ABOUT 60 MILES BEHIND THE ACTUAL FRONT DRAPED OVER THE LOWER THIRD OF SLO COUNTY. THE AIR BEHIND THIS TROF IS MUCH DRIER AND COLDER THAN THE AIR OVER THE REST OF THE AREA. THIS COLD AIR WILL DROP THE SNOW LEVELS DOWN TO BETWEEN 500 AND 1000 FEET OVERNIGHT OVER SLO AND SBA COUNTIES AND 1500 TO 2000 FEET OVER SOUTHERN VTA AND LA COUNTIES WITH SNOW LEVELS FALLING ENOUGH TO ALLOW SNOW TO FALL ALL ACROSS THE ANTELOPE VLY BY DAYBREAK. SINCE THE AIR IS SO MUCH DRIER WITH THE COLDER AIR THERE WILL NOT BE THAT MUCH EXTRA PRECIP WITH THE LOW SNOW LEVELS. AS NOTED BY THE DAY SHIFT IT MAY BE DIFFICULT TO SQUEEZE VERY MUCH SNOW OUT OF THE SHOWERS THAT WILL FORM BEHIND THE FRONT AND WHILE MOST AREAS MAY ONLY RECEIVE A DUSTING A FEW AREAS MAY WELL SEE 1 TO 3 INCHES ACROSS THE SLO INTERIOR VLY...CUYAMA VLY...ANTELOPE VLY AND HIGHER ELEVATIONS OF THE SANTA MONICA RANGE AND WINTER WEATHER ADVISORIES COVER THIS POSSIBILITY. RAINFALL AMOUNTS MAYBE A TICK HIGHER OVER VTA AND LA COUNTY AND PERHAPS CLOSER TO THE INCH MARK. 1 TO 2 FEET OF SNOW LOOKS GOOD ABOVE 5000 FEET. LOOK FOR LOTS OF SHOWERS IN THE VERY COLD SLIGLTY UNSTABLE AIR TOMORROW. SINCE THE WATERS WILL BE FAIRLY WARM IN COMPARISON TO THE VERY COLD AIR ALOFT...SHOWER AND THUNDERSTORM DEVELOPMENT WILL BE MOST NUMEROUS OVER THE WATERS. THESE SHOWERS AND TSTMS SHOULD BE ABLE TO SUSTAIN THEMSELVES AS THEY MOVE ASHORE WITH SUCH STEEP LAPSE RATES. THERE WILL LIKELY BE QUITE A FEW COLD AIR FUNNEL CLOUDS TOMORROW ESP OVER THE WATERS. RAINFALL WITH THIS SHOWER ACTIVITY WILL BE ON THE LIGHT SIDE AND VERY VARIABLE. FROM PREVIOUS DISCUSSION SHOWER CHANCES WILL DWINDLE TO NEAR ZERO SATURDAY NIGHT INTO SUNDAY AS THE UPPER LOW PASSES TO THE EAST AND DRIER NORTHERLY FLOW SETS UP. GOOD CHANCE OF FROST ACROSS THE LA/VENTURA COUNTY VALLEYS SUNDAY MORNING AND POSSIBLY PORTIONS OF THE COAST AS WELL. COLDER SPOTS LIKE OJAI AND MALIBU CANYON WILL PROBABLY DROP TO AROUND 25, BUT THE VAST MAJORITY WILL BE 28 OR HIGHER SO FROST ADVISORIES WILL LIKELY BE NEEDED ACROSS THE LA/VTU VALLEYS. COOL AND DRY SUNDAY WITH HIGHS MOSTLY IN THE 50S AT LOWER ELEVATIONS. ABOUT 5 DEGREES OF WARMING MONDAY UNDER MOSTLY SUNNY SKIES. .LONG TERM (TUE-FRI)...A FEW MORE DEGREES OF WARMING TUESDAY. MODELS CONTINUE TO ADVERTISE A VERY WEAK MID-WEEK SYSTEM BUT STRUGGLING WITH TIMING. 12Z GFS WAS A LITTLE FASTER TODAY AND BROUGHT VERY LIGHT PRECIP AS FAR SOUTH AS LA COUNTY WED AFTERNOON. EC IS A LITTLE SLOWER. NOT A BIG STORM BY ANY MEANS BUT WORTH OF LOW POPS WED/THU WITH A SLIGHT COOLING TREND. DRY AND WARMER FRIDAY. && .AVIATION...26/0530Z...MODERATE CONFIDENCE OVERALL IN THE CURRENT TAF PACKAGE. TIMING OF MVFR TO IFR CONDITIONS MAY BE OFF SLIGHTLY BUT THESE CONDITIONS ARE LIKELY AT THE AIRFIELDS TONIGHT WITH IMPROVING CONDITIONS TO GENERALLY VFR FROM LATE TONIGHT THRU SAT EVENING ACROSS THE REGION. IN ADDITION...RAIN THIS EVENING ESPECIALLY OVER VTU/L.A. COUNTIES WILL TURN TO SCATTERED SHOWERS TONIGHT...WITH ISOLATED THUNDERSTORMS POSSIBLE ACROSS THE REGION SAT. AT KLAX...GUSTY S WINDS WILL SWITCH TO NW BY 08Z THEN CONTINUE GUSTY THRU SAT. KLAX...MODERATE CONFIDENCE OVERALL IN THE CURRENT TAF DUE TO TIMING ISSUES BETWEEN MVFR AND VFR CONDITIONS...ALTHO MVFR CONDITIONS WILL BE LIKELY FOR AT LEAST THRU VERY EARLY SAT MORNING. GENERALLY HI CONFIDENCE IN VFR CONDITIONS ON SAT ALTHO OCCASIONAL MVFR CIGS CANNOT BE RULED OUT. IN ADDITION... THERE WILL BE STRONG AND GUSTY S WINDS THIS EVENING THEN SWITCH TO NW BY 08Z AND CONTINUE THRU SAT. KBUR...MODERATE CONFIDENCE OVERALL IN THE CURRENT TAF DUE TO TIMING ISSUES BETWEEN MVFR AND VFR CONDITIONS...ALTHO MVFR CONDITIONS WILL BE LIKELY AT LEAST THRU 09Z. GENERALLY HI CONFIDENCE IN VFR CONDITIONS ON SAT ALTHO OCCASIONAL MVFR CIGS CANNOT BE RULED OUT. && .LOX WATCHES/WARNINGS/ADVISORIES... WINTER STORM WARNING (SEE LAXWSWLOX). WIND ADVISORY (SEE LAXNPWLOX). WINTER WEATHER ADVISORY (SEE LAXWSWLOX). SMALL CRAFT ADVISORY (SEE LAXMWWLOX). MARINE WEATHER STATEMENT (SEE LAXMWSLOX). && PUBLIC...WOFFORD/ASR AVIATION...SIRARD SYNOPSIS...WOFFORD WWW.WEATHER.GOV/LOSANGELES
Hazardous weather outlook, Feb 25, 6:00 AM PST, 21 hours 6 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 600 AM PST FRI FEB 25 2011 CAZ034>041-044>046-051>054-059-087-088-547-548-261400- 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 PST FRI FEB 25 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA. .DAY ONE... TODAY A COLD WINTER STORM WILL MOVE INTO THE AREA TODAY AND TONIGHT... BRINGING RAIN AND LOW ELEVATION SNOW TO SOUTHERN CALIFORNIA. RAIN WILL OVERSPREAD THE CENTRAL COAST TODAY...THEN ACROSS VENTURA AND LOS ANGELES COUNTY THIS EVENING AND OVERNIGHT. BEHIND THE FRONT SCATTERED SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS WILL PREVAIL. SNOW LEVELS WILL DROP FROM BETWEEN 4000 AND 5000 FEET TODAY...DOWN TO BETWEEN 500 AND 1500 FEET LATE TONIGHT. SIGNIFICANT SNOW ACCUMULATION IS EXPECTED ACROSS THE MOUNTAINS...AND EVEN LOWER ELEVATION INLAND AREAS WILL LIKELY RECEIVE SEVERAL INCHES OF SNOWFALL. GUSTY SOUTHERLY WINDS WILL PRODUCE DANGEROUS WINTER STORM CONDITIONS ACROSS THE MOUNTAINS THROUGH TONIGHT. ANY THUNDERSTORMS THAT DEVELOP TONIGHT WILL BE CAPABLE OF PRODUCING WATERSPOUTS OVER THE COASTAL WATERS. * WINTER STORM WARNING.......SEE WWUS46 KLOX - WSWLOX FOR DETAILS * * WIND ADVISORY..............SEE WWUS76 KLOX - NPWLOX FOR DETAILS * * WINTER WEATHER ADVISORY....SEE WWUS46 KLOX - WSWLOX FOR DETAILS * * MARINE WEATHER STATEMENT...SEE FZUS76 KLOX - MWSLOX FOR DETAILS * * SPECIAL WEATHER STATEMENT..SEE WWUS86 KLOX - SPSLOX FOR DETAILS * .DAYS TWO THROUGH SEVEN... SATURDAY THROUGH THURSDAY SCATTERED SHOWERS AND POSSIBLE THUNDERSTORMS WILL PERSIST THROUGH EARLY SUNDAY MORNING. SNOW LEVELS WILL REMAIN QUITE LOW...RESULTING IN ADDITIONAL SNOWFALL ACCUMULATION ACROSS THE AREA. * WINTER STORM WARNING.......SEE WWUS46 KLOX - WSWLOX FOR DETAILS * * WINTER WEATHER ADVISORY....SEE WWUS46 KLOX - WSWLOX FOR DETAILS * * MARINE WEATHER STATEMENT...SEE FZUS76 KLOX - MWSLOX 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. THOMPSON
The office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 25, 6:40 PM PST | Areal Flood Advisory | LOX | Santa Barbara | 2 hr |
| Feb 25, 6:47 PM PST | Areal Flood Advisory | LOX | Ventura | 4 hr |
| Feb 25, 8:42 PM PST | Areal Flood Advisory | LOX | Los Angeles | 4 hr |
| Feb 25, 10:53 PM PST | Areal Flood Advisory | LOX | Ventura | 3 hr |
| Feb 26, 12:38 AM PST | Areal Flood Advisory | LOX | Los Angeles, Ventura | 4 hr |
Nearby
Frost Advisories in California, 2011Every frost 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.