Alert archive / California / Winter Storm Warnings in 2012
Winter Storm Warning 3, NWS Los Angeles, CA
NWS Los Angeles, CA issued this winter storm warning at Mar 24, 2012, 3:07 AM PDT. It took effect at Mar 25, 2012, 3:00 AM PDT. It was in force for 24 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
- Mar 24, 2012, 3:07 AM PDT (10:07 UTC)
- In effect from
- Mar 25, 2012, 3:00 AM PDT
- Expired
- Mar 26, 2012, 3:00 AM PDT
- In force
- 24 hr
- Issued by
- NWS Los Angeles, CA
The text
As transmitted, in the capitals the NWS used until 2016.
872 WWUS46 KLOX 241007 WSWLOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 307 AM PDT SAT MAR 24 2012 ...WINTER STORM EXPECTED TO IMPACT THE AREA LATE THIS WEEKEND... .A COLD STORM SYSTEM WILL BRING A WINTRY WEATHER PATTERN TO THE MOUNTAINS TONIGHT THROUGH SUNDAY NIGHT. HEAVY SNOW AND STRONG WINDS WILL COMBINE TO MAKE CONDITIONS DANGEROUS...AND TREACHEROUS FOR MOTORISTS. THE HIGHEST AMOUNT WILL LIKELY OCCUR ALONG SOUTHWEST FACING SLOPES ABOVE 5500 FEET. CAZ053-241815- /O.UPG.KLOX.WS.A.0003.120325T1000Z-120326T1000Z/ /O.NEW.KLOX.WS.W.0003.120325T1000Z-120326T1000Z/ VENTURA COUNTY MOUNTAINS- INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS 307 AM PDT SAT MAR 24 2012 ...WINTER STORM WARNING IN EFFECT FROM 3 AM SUNDAY TO 3 AM PDT MONDAY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A WINTER STORM WARNING FOR THE COMBINATION OF SNOW AND STRONG WINDS...WHICH IS IN EFFECT FROM 3 AM SUNDAY TO 3 AM PDT MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...A WINTER STORM SYSTEM WILL BRING A COMBINATION OF HEAVY SNOW AND STRONG WINDS TO THE AREA LATE TONIGHT AND SUNDAY. SNOW...HEAVY AT TIMES WILL COMBINE WITH STRONG WINDS TO PRODUCE NEAR WHITEOUT CONDITIONS. * SNOW ACCUMULATIONS...SNOW ACCUMULATIONS BETWEEN 8 AND 14 INCHES ARE LIKELY ABOVE 5500 FEET...WITH LOCAL AMOUNTS UP TO 16 INCHES IN FAVORABLE LOCATIONS ABOVE 7000 FEET. * WINDS...SOUTH WINDS WILL INCREASE TO 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * SNOW LEVELS...SNOW LEVELS WILL START OFF BETWEEN 6500 AND 7500 FEET THIS EVENING WILL THEN FALL TO BETWEEN 5000 AND 5500 FEET BY EARLY SUNDAY MORNING. THE SNOW LEVEL WILL LOWER LOCALLY TO 4500 FEET BY SUNDAY NIGHT. * IMPACTS...WINTER WEATHER CONDITIONS WILL BRING TREACHEROUS DRIVING CONDITIONS...AND POSSIBLE DOWNED TREES AND POWER LINES LATE THIS WEEKEND. ROADWAYS IMPACTED BY SNOW WILL BE LOCKWOOD VALLEY RD...WITH SNOW ACCUMULATIONS ON HIGHWAY 33 ACROSS THE HIGHER ELEVATIONS BETWEEN MEINERS OAKS AND VENTUCOPA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ CAZ054-241815- /O.UPG.KLOX.WS.A.0003.120325T1800Z-120326T1800Z/ /O.NEW.KLOX.WS.W.0003.120325T1800Z-120326T1800Z/ LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING THE CITIES OF...ACTON...MOUNT WILSON...SANDBERG 307 AM PDT SAT MAR 24 2012 ...WINTER STORM WARNING IN EFFECT FROM 11 AM SUNDAY TO 11 AM PDT MONDAY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A WINTER STORM WARNING FOR THE COMBINATION OF SNOW AND STRONG WINDS...WHICH IS IN EFFECT FROM 11 AM SUNDAY TO 11 AM PDT MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...A WINTER STORM SYSTEM WILL BRING A COMBINATION OF HEAVY SNOW AND STRONG WINDS TO THE AREA SUNDAY AND MONDAY. SNOW...HEAVY AT TIMES WILL COMBINE WITH THE STRONG WINDS TO PRODUCE NEAR WHITEOUT CONDITIONS. * SNOW ACCUMULATIONS...SNOW ACCUMULATIONS BETWEEN 10 AND 16 INCHES ARE LIKELY ABOVE 5500 FEET...WITH LOCAL AMOUNTS UP TO 20 INCHES IN FAVORABLE LOCATIONS ABOVE 7000 FEET. * WINDS...SOUTH WINDS WILL INCREASE TO 20 TO 30 MPH WITH GUSTS UP TO 45 MPH LATE TONIGHT AND WILL PERSIST THROUGH SUNDAY NIGHT. * SNOW LEVELS...SNOW LEVELS WILL START OFF BETWEEN 6500 AND 7500 FEET THIS EVENING THEN FALL TO BETWEEN 5000 AND 5500 FEET BY EARLY SUNDAY MORNING. THE SNOW LEVEL MAY POSSIBLY LOWER LOCALLY TO 4500 FEET IN SOME LOCATIONS. * IMPACTS...WINTER WEATHER CONDITIONS WILL IMPACT THE AREA WITH TREACHEROUS DRIVING CONDITIONS...AND POSSIBLE DOWNED TREES AND POWER LINES LATE THIS WEEKEND. ROADWAYS IMPACTED BY SNOW WILL BE HIGHWAYS 2 AND 39...WITH SNOW ACCUMULATIONS POSSIBLE ON INTERSTATE 5 BETWEEN CASTAIC AND THE KERN COUNTY LINE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ KAPLAN/ASR/WOFFORD
7 follow-up statements
669 WWUS46 KLOX 241802 WSWLOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 1102 AM PDT SAT MAR 24 2012 ...WINTER STORM EXPECTED TO IMPACT THE AREA LATE THIS WEEKEND... .A COLD STORM SYSTEM WILL BRING A WINTRY WEATHER PATTERN TO THE MOUNTAINS TONIGHT THROUGH SUNDAY NIGHT. HEAVY SNOW AND STRONG WINDS WILL COMBINE TO MAKE CONDITIONS DANGEROUS...AND TREACHEROUS FOR MOTORISTS. THE HIGHEST AMOUNT WILL LIKELY OCCUR ALONG SOUTHWEST FACING SLOPES ABOVE 5500 FEET. CAZ053-250215- /O.CON.KLOX.WS.W.0003.120325T1000Z-120326T1000Z/ VENTURA COUNTY MOUNTAINS- INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS 1102 AM PDT SAT MAR 24 2012 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM SUNDAY TO 3 AM PDT MONDAY... * TIMING...A WINTER STORM SYSTEM WILL BRING A COMBINATION OF HEAVY SNOW AND BLOWING SNOW TO THE AREA LATE TONIGHT AND SUNDAY. SNOW...HEAVY AT TIMES WILL COMBINE WITH STRONG WINDS TO PRODUCE NEAR WHITEOUT CONDITIONS. * SNOW ACCUMULATIONS...SNOW ACCUMULATIONS BETWEEN 8 AND 14 INCHES ARE LIKELY ABOVE 5500 FEET...WITH LOCAL AMOUNTS UP TO 16 INCHES IN FAVORABLE LOCATIONS ABOVE 7000 FEET. * WINDS...SOUTH WINDS WILL INCREASE TO 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * SNOW LEVELS...SNOW LEVELS WILL START OFF BETWEEN 6500 AND 7500 FEET THIS EVENING WILL THEN FALL TO BETWEEN 5000 AND 5500 FEET BY EARLY SUNDAY MORNING. THE SNOW LEVEL WILL LOWER LOCALLY TO 4500 FEET BY SUNDAY NIGHT. * IMPACTS...WINTER WEATHER CONDITIONS WILL BRING TREACHEROUS DRIVING CONDITIONS...AND POSSIBLE DOWNED TREES AND POWER LINES LATE THIS WEEKEND. ROADWAYS IMPACTED BY SNOW WILL BE LOCKWOOD VALLEY RD...WITH SNOW ACCUMULATIONS ON HIGHWAY 33 ACROSS THE HIGHER ELEVATIONS BETWEEN MEINERS OAKS AND VENTUCOPA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ CAZ054-250215- /O.CON.KLOX.WS.W.0003.120325T1800Z-120326T1800Z/ LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING THE CITIES OF...ACTON...MOUNT WILSON...SANDBERG 1102 AM PDT SAT MAR 24 2012 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM SUNDAY TO 11 AM PDT MONDAY... * TIMING...A WINTER STORM SYSTEM WILL BRING A COMBINATION OF HEAVY SNOW AND BLOWING SNOW TO THE AREA SUNDAY AND MONDAY. SNOW...HEAVY AT TIMES WILL COMBINE WITH THE STRONG WINDS TO PRODUCE NEAR WHITEOUT CONDITIONS. * SNOW ACCUMULATIONS...SNOW ACCUMULATIONS BETWEEN 10 AND 16 INCHES ARE LIKELY ABOVE 5500 FEET...WITH LOCAL AMOUNTS UP TO 20 INCHES IN FAVORABLE LOCATIONS ABOVE 7000 FEET. * WINDS...SOUTH WINDS WILL INCREASE TO 20 TO 30 MPH WITH GUSTS UP TO 45 MPH LATE TONIGHT AND WILL PERSIST THROUGH SUNDAY NIGHT. * SNOW LEVELS...SNOW LEVELS WILL START OFF BETWEEN 6500 AND 7500 FEET THIS EVENING THEN FALL TO BETWEEN 5000 AND 5500 FEET BY EARLY SUNDAY MORNING. THE SNOW LEVEL MAY POSSIBLY LOWER LOCALLY TO 4500 FEET IN SOME LOCATIONS. * IMPACTS...WINTER WEATHER CONDITIONS WILL IMPACT THE AREA WITH TREACHEROUS DRIVING CONDITIONS...AND POSSIBLE DOWNED TREES AND POWER LINES LATE THIS WEEKEND. ROADWAYS IMPACTED BY SNOW WILL BE HIGHWAYS 2 AND 39...WITH SNOW ACCUMULATIONS POSSIBLE ON INTERSTATE 5 BETWEEN CASTAIC AND THE KERN COUNTY LINE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$
502 WWUS46 KLOX 250223 WSWLOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 723 PM PDT SAT MAR 24 2012 ...WINTER STORM EXPECTED TO IMPACT THE AREA OVERNIGHT INTO SUNDAY... .A COLD STORM SYSTEM WILL BRING A WINTRY WEATHER PATTERN TO THE MOUNTAINS TONIGHT THROUGH SUNDAY NIGHT. HEAVY SNOW AND STRONG WINDS WILL COMBINE TO MAKE CONDITIONS DANGEROUS...AND TREACHEROUS FOR MOTORISTS. THE HIGHEST AMOUNT WILL LIKELY OCCUR ALONG SOUTHWEST FACING SLOPES ABOVE 5500 FEET. CAZ053-251100- /O.CON.KLOX.WS.W.0003.120325T1000Z-120326T1000Z/ VENTURA COUNTY MOUNTAINS- INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS 723 PM PDT SAT MAR 24 2012 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM SUNDAY TO 3 AM PDT MONDAY... * TIMING...A WINTER STORM SYSTEM WILL BRING A COMBINATION OF HEAVY SNOW AND BLOWING SNOW TO THE AREA LATE TONIGHT AND SUNDAY. SNOW...HEAVY AT TIMES WILL COMBINE WITH STRONG WINDS TO PRODUCE NEAR WHITEOUT CONDITIONS. * SNOW ACCUMULATIONS...SNOW ACCUMULATIONS BETWEEN 8 AND 14 INCHES ARE LIKELY ABOVE 5500 FEET...WITH LOCAL AMOUNTS UP TO 16 INCHES IN FAVORABLE LOCATIONS ABOVE 7000 FEET. * WINDS...SOUTH WINDS WILL INCREASE TO 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * SNOW LEVELS...SNOW LEVELS WILL GENERALLY RANGE BETWEEN 5000 AND 5500 FEET ON SUNDAY...THEN FALL TO AROUND 4000 FEET SUNDAY NIGHT. * IMPACTS...WINTER WEATHER CONDITIONS WILL BRING TREACHEROUS DRIVING CONDITIONS...AND POSSIBLE DOWNED TREES AND POWER LINES LATE THIS WEEKEND. ROADWAYS IMPACTED BY SNOW WILL BE LOCKWOOD VALLEY RD...WITH SNOW ACCUMULATIONS ON HIGHWAY 33 ACROSS THE HIGHER ELEVATIONS BETWEEN MEINERS OAKS AND VENTUCOPA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ CAZ054-251100- /O.CON.KLOX.WS.W.0003.120325T1800Z-120326T1800Z/ LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING THE CITIES OF...ACTON...MOUNT WILSON...SANDBERG 723 PM PDT SAT MAR 24 2012 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM SUNDAY TO 11 AM PDT MONDAY... * TIMING...A WINTER STORM SYSTEM WILL BRING A COMBINATION OF HEAVY SNOW AND BLOWING SNOW TO THE AREA SUNDAY AND MONDAY. SNOW...HEAVY AT TIMES WILL COMBINE WITH THE STRONG WINDS TO PRODUCE NEAR WHITEOUT CONDITIONS. * SNOW ACCUMULATIONS...SNOW ACCUMULATIONS BETWEEN 10 AND 16 INCHES ARE LIKELY ABOVE 5500 FEET...WITH LOCAL AMOUNTS UP TO 20 INCHES IN FAVORABLE LOCATIONS ABOVE 7000 FEET. * WINDS...SOUTH WINDS WILL INCREASE TO 25 TO 35 MPH WITH GUSTS UP TO 50 MPH LATE TONIGHT AND WILL PERSIST THROUGH SUNDAY NIGHT. * SNOW LEVELS...SNOW LEVELS WILL GENERALLY RANGE BETWEEN 5000 AND 5500 FEET ON SUNDAY...THEN LOWER TO AS LOW AS 4000 FEET BY SUNDAY NIGHT. * IMPACTS...WINTER WEATHER CONDITIONS WILL IMPACT THE AREA WITH TREACHEROUS DRIVING CONDITIONS...AND POSSIBLE DOWNED TREES AND POWER LINES LATE THIS WEEKEND. MAJOR ROADWAYS THAT WILL LIKELY BE IMPACTED BY HEAVY SNOW INCLUDE HIGHWAYS 2 AND 39. IN ADDITION... INTERSTATE 5 NEAR THE GRAPEVINE COULD HAVE LIGHTER SNOW ACCUMULATIONS BY SUNDAY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ GOMBERG
515 WWUS46 KLOX 251056 WSWLOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 356 AM PDT SUN MAR 25 2012 ...WINTER STORM EXPECTED TO IMPACT THE AREA OVERNIGHT INTO SUNDAY... .A COLD STORM SYSTEM WILL BRING A WINTRY WEATHER PATTERN TO THE MOUNTAINS TODAY AND TONIGHT. HEAVY SNOW AND STRONG WINDS WILL COMBINE TO MAKE CONDITIONS DANGEROUS...AND TREACHEROUS FOR MOTORISTS. THE HIGHEST AMOUNT WILL LIKELY OCCUR ALONG SOUTHWEST FACING SLOPES ABOVE 5500 FEET. CAZ054-251900- /O.EXT.KLOX.WS.W.0003.120325T1800Z-120326T1000Z/ LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING THE CITIES OF...ACTON...MOUNT WILSON...SANDBERG 356 AM PDT SUN MAR 25 2012 ...WINTER STORM WARNING NOW IN EFFECT FROM 11 AM THIS MORNING TO 3 AM PDT MONDAY... * TIMING...A WINTER STORM SYSTEM WILL BRING A COMBINATION OF HEAVY SNOW AND BLOWING SNOW TO THE AREA TODAY AND TONIGHT. SNOW...HEAVY AT TIMES WILL COMBINE WITH THE STRONG WINDS TO PRODUCE NEAR WHITEOUT CONDITIONS. * SNOW ACCUMULATIONS...SNOW ACCUMULATIONS BETWEEN 10 AND 16 INCHES ARE LIKELY ABOVE 5500 FEET...WITH LOCAL AMOUNTS UP TO 20 INCHES IN FAVORABLE LOCATIONS ABOVE 7000 FEET. * WINDS...SOUTH WINDS WILL INCREASE TO 25 TO 35 MPH WITH GUSTS UP TO 50 MPH LATE TONIGHT AND WILL PERSIST OVERNIGHT. * SNOW LEVELS...SNOW LEVELS WILL GENERALLY RANGE BETWEEN 5000 AND 5500 FEET TODAY...THEN LOWER TO AS LOW AS 4000 FEET TONIGHT. * IMPACTS...WINTER WEATHER CONDITIONS WILL IMPACT THE AREA WITH TREACHEROUS DRIVING CONDITIONS...AND POSSIBLE DOWNED TREES AND POWER LINES LATE THIS WEEKEND. MAJOR ROADWAYS THAT WILL LIKELY BE IMPACTED BY HEAVY SNOW INCLUDE HIGHWAYS 2 AND 39. IN ADDITION...INTERSTATE 5 NEAR THE GRAPEVINE COULD HAVE LIGHTER SNOW ACCUMULATIONS BY SUNDAY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ CAZ053-251900- /O.CON.KLOX.WS.W.0003.000000T0000Z-120326T1000Z/ VENTURA COUNTY MOUNTAINS- INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS 356 AM PDT SUN MAR 25 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 AM PDT MONDAY... * TIMING...A WINTER STORM SYSTEM WILL BRING A COMBINATION OF HEAVY SNOW AND BLOWING SNOW TO THE AREA TODAY AND TONIGHT. SNOW...HEAVY AT TIMES WILL COMBINE WITH THE STRONG WINDS TO PRODUCE NEAR WHITEOUT CONDITIONS. * SNOW ACCUMULATIONS...SNOW ACCUMULATIONS BETWEEN 8 AND 14 INCHES ARE LIKELY ABOVE 5500 FEET...WITH LOCAL AMOUNTS UP TO 16 INCHES IN FAVORABLE LOCATIONS ABOVE 7000 FEET. * WINDS...SOUTH WINDS WILL INCREASE TO 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * SNOW LEVELS...SNOW LEVELS WILL GENERALLY RANGE BETWEEN 5000 AND 5500 FEET TODAY...THEN FALL TO AROUND 4000 FEET TONIGHT. * IMPACTS...WINTER WEATHER CONDITIONS WILL BRING TREACHEROUS DRIVING CONDITIONS...AND POSSIBLE DOWNED TREES AND POWER LINES LATE THIS WEEKEND. ROADWAYS IMPACTED BY SNOW WILL BE LOCKWOOD VALLEY RD...WITH SNOW ACCUMULATIONS ON HIGHWAY 33 ACROSS THE HIGHER ELEVATIONS BETWEEN MEINERS OAKS AND VENTUCOPA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ ASR
087 WWUS46 KLOX 251857 WSWLOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 1157 AM PDT SUN MAR 25 2012 ...WINTER STORM IMPACTING THE AREA... .A COLD SPRING STORM SYSTEM IS BEGINNING TO BRING WINTER-LIKE WEATHER CONDITIONS TO THE MOUNTAINS WITH SNOW NOW FALLING ABOVE 5000 FEET ACROSS VENTURA COUNTY. HEAVY SNOW AND GUSTY WINDS WILL COMBINE TO MAKE CONDITIONS DANGEROUS...AND TREACHEROUS FOR MOTORISTS. THESE CONDITIONS WILL SPREAD EAST AND CONTINUE THROUGH TONIGHT. THE HIGHEST SNOW AMOUNTS WILL LIKELY OCCUR ALONG SOUTHWEST FACING SLOPES ABOVE 5500 FEET. CAZ053-260300- /O.CON.KLOX.WS.W.0003.000000T0000Z-120326T1000Z/ VENTURA COUNTY MOUNTAINS- INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS 1157 AM PDT SUN MAR 25 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 AM PDT MONDAY... * TIMING...A COLD SPRING STORM SYSTEM WILL BRING A COMBINATION OF HEAVY SNOW AND BLOWING SNOW TO THE AREA THROUGH TONIGHT. SNOW...HEAVY AT TIMES WILL COMBINE WITH THE STRONG WINDS TO PRODUCE NEAR WHITEOUT CONDITIONS. * SNOW ACCUMULATIONS...SNOW ACCUMULATIONS BETWEEN 8 AND 14 INCHES ARE LIKELY ABOVE 5500 FEET...WITH LOCAL AMOUNTS UP TO 16 INCHES IN FAVORABLE LOCATIONS ABOVE 7000 FEET. * WINDS...SOUTH WINDS 15 TO 30 MPH WITH GUSTS UP TO 40 MPH. * SNOW LEVELS...SNOW LEVELS WILL GENERALLY RANGE BETWEEN 5000 AND 5500 FEET THIS AFTERNOON...THEN FALL TO AROUND 4000 FEET TONIGHT. * IMPACTS...WINTER WEATHER CONDITIONS WILL BRING TREACHEROUS DRIVING CONDITIONS...AND POSSIBLE DOWNED TREES AND POWER LINES. ROADWAYS IMPACTED BY SNOW WILL BE LOCKWOOD VALLEY RD...WITH SNOW ACCUMULATIONS ON HIGHWAY 33 ACROSS THE HIGHER ELEVATIONS BETWEEN MEINERS OAKS AND VENTUCOPA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR ARE OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ CAZ054-260300- /O.CON.KLOX.WS.W.0003.000000T0000Z-120326T1000Z/ LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING THE CITIES OF...ACTON...MOUNT WILSON...SANDBERG 1157 AM PDT SUN MAR 25 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 AM PDT MONDAY... * TIMING...A COLD SPRING STORM SYSTEM WILL BRING A COMBINATION OF HEAVY SNOW AND BLOWING SNOW TO THE AREA THIS AFTERNOON AND TONIGHT. SNOW...HEAVY AT TIMES WILL COMBINE WITH THE STRONG WINDS TO PRODUCE NEAR WHITEOUT CONDITIONS. * SNOW ACCUMULATIONS...SNOW ACCUMULATIONS BETWEEN 10 AND 16 INCHES ARE LIKELY ABOVE 5500 FEET...WITH LOCAL AMOUNTS UP TO 20 INCHES IN FAVORABLE LOCATIONS ABOVE 7000 FEET. * WINDS...SOUTH WINDS WILL INCREASE TO 25 TO 35 MPH WITH GUSTS UP TO 50 MPH AND WILL PERSIST OVERNIGHT. * SNOW LEVELS...SNOW LEVELS WILL GENERALLY RANGE BETWEEN 5000 AND 5500 FEET THIS AFTERNOON...THEN LOWER TO AS LOW AS 4000 FEET TONIGHT. * IMPACTS...WINTER WEATHER CONDITIONS WILL IMPACT THE AREA WITH TREACHEROUS DRIVING CONDITIONS...AND POSSIBLE DOWNED TREES AND POWER LINES. MAJOR ROADWAYS THAT WILL LIKELY BE IMPACTED BY HEAVY SNOW INCLUDE HIGHWAYS 2 AND 39. IN ADDITION...INTERSTATE 5 NEAR THE GRAPEVINE COULD HAVE LIGHTER SNOW ACCUMULATIONS BY LATE TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ TRM
724 WWUS46 KLOX 252322 WSWLOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 422 PM PDT SUN MAR 25 2012 ...WINTER STORM IMPACTING THE AREA... .A COLD SPRING STORM SYSTEM IS BRINGING WINTER-LIKE WEATHER CONDITIONS TO THE MOUNTAINS WITH SNOW NOW FALLING ACROSS VENTURA AND LOS ANGELES COUNTIES ABOVE 4500 FEET AND OCCASIONALLY DOWN TO 4000 FEET. HEAVY SNOW AND GUSTY WINDS WILL COMBINE TO MAKE CONDITIONS DANGEROUS...AND TREACHEROUS FOR MOTORISTS. THESE CONDITIONS WILL SPREAD EAST AND CONTINUE THROUGH TONIGHT. THE HIGHEST SNOW AMOUNTS WILL LIKELY OCCUR ALONG SOUTH FACING SLOPES ABOVE 5500 FEET. CAZ053-260730- /O.CON.KLOX.WS.W.0003.000000T0000Z-120326T1000Z/ VENTURA COUNTY MOUNTAINS- INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS 422 PM PDT SUN MAR 25 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 AM PDT MONDAY... * TIMING...A COLD SPRING STORM SYSTEM WILL BRING A COMBINATION OF HEAVY SNOW AND BLOWING SNOW TO THE AREA THROUGH TONIGHT. SNOW...HEAVY AT TIMES WILL COMBINE WITH THE STRONG WINDS TO PRODUCE NEAR WHITEOUT CONDITIONS. * SNOW ACCUMULATIONS...SNOW ACCUMULATIONS BETWEEN 8 AND 14 INCHES ARE LIKELY ABOVE 5500 FEET...WITH LOCAL AMOUNTS UP TO 16 INCHES IN FAVORABLE LOCATIONS ABOVE 7000 FEET. * WINDS...SOUTH WINDS 15 TO 30 MPH WITH GUSTS UP TO 40 MPH. * SNOW LEVELS...SNOW LEVELS WILL GENERALLY RANGE BETWEEN 4000 AND 5000 FEET. * IMPACTS...WINTER WEATHER CONDITIONS WILL BRING TREACHEROUS DRIVING CONDITIONS...AND POSSIBLE DOWNED TREES AND POWER LINES. ROADWAYS MOST IMPACTED BY SNOW WILL BE LOCKWOOD VALLEY RD... WITH SNOW ACCUMULATIONS ON HIGHWAY 33 ACROSS THE HIGHER ELEVATIONS BETWEEN MEINERS OAKS AND VENTUCOPA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR ARE OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ CAZ054-260730- /O.CON.KLOX.WS.W.0003.000000T0000Z-120326T1000Z/ LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING THE CITIES OF...ACTON...MOUNT WILSON...SANDBERG 422 PM PDT SUN MAR 25 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 AM PDT MONDAY... * TIMING...A COLD SPRING STORM SYSTEM WILL BRING A COMBINATION OF HEAVY SNOW AND BLOWING SNOW TO THE AREA THROUGH TONIGHT. SNOW...HEAVY AT TIMES WILL COMBINE WITH THE STRONG WINDS TO PRODUCE NEAR WHITEOUT CONDITIONS. * SNOW ACCUMULATIONS...SNOW ACCUMULATIONS BETWEEN 10 AND 16 INCHES ARE LIKELY ABOVE 5500 FEET...WITH LOCAL AMOUNTS UP TO 20 INCHES IN FAVORABLE LOCATIONS ABOVE 7000 FEET. * WINDS...SOUTH WINDS WILL INCREASE TO 25 TO 35 MPH WITH GUSTS UP TO 50 MPH AND WILL PERSIST OVERNIGHT. * SNOW LEVELS...SNOW LEVELS WILL GENERALLY RANGE BETWEEN 4000 AND 5000 FEET. * IMPACTS...WINTER WEATHER CONDITIONS WILL IMPACT THE AREA WITH TREACHEROUS DRIVING CONDITIONS...AND POSSIBLE DOWNED TREES AND POWER LINES. MAJOR ROADWAYS THAT WILL BE IMPACTED BY HEAVY SNOW INCLUDE HIGHWAYS 2 AND 39. IN ADDITION...INTERSTATE 5 NEAR THE GRAPEVINE COULD HAVE LIGHTER SNOW ACCUMULATIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ TRM
503 WWUS46 KLOX 260722 WSWLOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 1222 AM PDT MON MAR 26 2012 CAZ053-261000- /O.CON.KLOX.WS.W.0003.000000T0000Z-120326T1000Z/ VENTURA COUNTY MOUNTAINS- INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS 1222 AM PDT MON MAR 26 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 AM PDT EARLY THIS MORNING... * TIMING...A COLD SPRING STORM SYSTEM WILL BRING A COMBINATION OF HEAVY SNOW AND BLOWING SNOW TO THE AREA THROUGH EARLY THIS MORNING. * SNOW ACCUMULATIONS...SNOW ACCUMULATIONS BETWEEN 8 AND 14 INCHES ARE LIKELY ABOVE 5500 FEET...WITH LOCAL AMOUNTS UP TO 16 INCHES IN FAVORABLE LOCATIONS ABOVE 7000 FEET. * WINDS...SOUTH WINDS 15 TO 30 MPH WITH GUSTS UP TO 40 MPH. * SNOW LEVELS...SNOW LEVELS WILL GENERALLY RANGE BETWEEN 4000 AND 5000 FEET. * IMPACTS...WINTER WEATHER CONDITIONS WILL BRING TREACHEROUS DRIVING CONDITIONS...AND POSSIBLE DOWNED TREES AND POWER LINES. ROADWAYS MOST IMPACTED BY SNOW WILL BE LOCKWOOD VALLEY RD... WITH SNOW ACCUMULATIONS ON HIGHWAY 33 ACROSS THE HIGHER ELEVATIONS BETWEEN MEINERS OAKS AND VENTUCOPA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR ARE OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ CAZ054-261000- /O.CON.KLOX.WS.W.0003.000000T0000Z-120326T1000Z/ LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING THE CITIES OF...ACTON...MOUNT WILSON...SANDBERG 1222 AM PDT MON MAR 26 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 AM PDT EARLY THIS MORNING... * TIMING...A COLD SPRING STORM SYSTEM WILL BRING A COMBINATION OF HEAVY SNOW AND BLOWING SNOW TO THE AREA THROUGH EARLY THIS MORNING. * SNOW ACCUMULATIONS...SNOW ACCUMULATIONS BETWEEN 10 AND 16 INCHES ARE LIKELY ABOVE 5500 FEET...WITH LOCAL AMOUNTS UP TO 20 INCHES IN FAVORABLE LOCATIONS ABOVE 7000 FEET. * WINDS...SOUTH WINDS WILL INCREASE TO 25 TO 35 MPH WITH GUSTS UP TO 50 MPH AND WILL PERSIST OVERNIGHT. * SNOW LEVELS...SNOW LEVELS WILL GENERALLY RANGE BETWEEN 4000 AND 5000 FEET. * IMPACTS...WINTER WEATHER CONDITIONS WILL IMPACT THE AREA WITH TREACHEROUS DRIVING CONDITIONS...AND POSSIBLE DOWNED TREES AND POWER LINES. MAJOR ROADWAYS THAT WILL BE IMPACTED BY HEAVY SNOW INCLUDE HIGHWAYS 2 AND 39. IN ADDITION...INTERSTATE 5 NEAR THE GRAPEVINE COULD HAVE LIGHTER SNOW ACCUMULATIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ ASR
413 WWUS46 KLOX 261018 WSWLOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 318 AM PDT MON MAR 26 2012 CAZ053-054-261130- /O.EXP.KLOX.WS.W.0003.000000T0000Z-120326T1000Z/ VENTURA COUNTY MOUNTAINS- LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON... MOUNT WILSON...SANDBERG 318 AM PDT MON MAR 26 2012 ...WINTER STORM WARNING HAS EXPIRED... SUNDAYS STORM HAS EXITED THE AREA AND ONLY A FEW LIGHT SNOW SHOWERS REMAIN OVER THE MOUNTAINS. THERE WILL BE A FEW LOCAL ACCUMULATIONS UP TO 2 INCHES THROUGH THE MORNING. $$ ASR
What forecasters said that day
The local office's own words before this winter storm 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 winter storm warning went out at Mar 23, 8:30 PM PDT, 6 hours 37 minutes earlier.
Area forecast discussion, Mar 23, 8:30 PM PDT, 6 hours 37 minutes before
SOUTHWEST CALIFORNIA AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 830 PM PDT FRI MAR 23 2012 .SYNOPSIS... A STORM WILL MOVE SOUTH OVER THE REGION LATE SATURDAY AND SUNDAY BRINGING PERIODS OF RAIN AND MOUNTAIN SNOW. THE LOW WILL MOVE EAST ON MONDAY FOR FAIR WEATHER. ANOTHER LOW WILL APPROACH BY MIDWEEK FOR POSSIBLE LIGHT RAIN IN SAN LUIS OBISPO AND SANTA BARBARA COUNTIES. THE TEMPERATURES WILL BE BACK TO SEASONAL NORMALS ON THURSDAY. && .SHORT TERM (TONIGHT-MON)... INFLUX OF HIGHER LEVEL CLOUDS ACROSS THE REGION THIS EVENING HAS DISRUPTED THE REFORMATION OF LOW CLOUDS. STILL THINKING THAT LOW CLOUDS WILL REDEVELOP TONIGHT BUT WILL NOT BE AS EXTENSIVE AS LAST NIGHT DUE TO LACK OF AN EDDY CIRCULATION. BASED ON TIME-HEIGHT CROSS SECTION...LOW CLOUDS ARE GENERALLY EXPECTED TO BE CONFINED TO LA COUNTY COASTAL AND VALLEY AREAS. WITH SOUTHERLY FLOW AHEAD OF NEXT STORM SYSTEM AND MORE SUNSHINE PROJECTED...LOOK FOR SOME WARMING IN MOST AREAS ON SATURDAY. LATEST 00Z NAM MODEL STILL IN GENERAL SYNOPTIC AGREEMENT WITH EARLIER MODEL SOLUTIONS. BY SATURDAY EVENING...A RATHER IMPRESSIVE 535 DM UPPER LEVEL LOW WILL BE CENTERED ABOUT 500 MILES WEST OF MONTEREY WITH BROAD SOUTHWEST FLOW ALOFT ACROSS SOUTHERN CALIFORNIA. ON SUNDAY...THIS UPPER LOW IS EXPECTED TO DIVE SOUTHEASTWARD INTO THE COASTAL WATERS OFF SOUTHERN CALIFORNIA...WITH THE COLD CORE COMING ASHORE NEAR THE LA BASIN ON SUNDAY EVENING. WHILE THERE IS STILL SOME MODEL DIFFERENCES IN TIMING AND INTENSITY...MOST OF THE REGION CAN EXPECT A GOOD LATE SEASON SOAKING. RAINFALL IS EXPECTED TO BECOME WIDESPREAD ACROSS THE CENTRAL COAST ON SATURDAY NIGHT...SPREADING INTO THE LOS ANGELES BASIN ON SUNDAY. WIDESPREAD RAINFALL AMOUNTS BETWEEN .75 AND 1.50 INCHES STILL SEEMS ON TRACK FOR MOST COASTAL AND VALLEY AREAS. WITH THE GOOD SOUTHERLY LOW LEVEL FLOW BEING PROJECTED WITH THIS SYSTEM...LOOK FOR GOOD OROGRAPHIC EHANCEMENT ACROSS SOUTH FACING FOOTHILLS AND MOUNTAINS. THESE LOCATIONS COULD SEE SOME STORM TOTALS IN THE 2 TO 4 INCH RANGE. AT THIS TIME...APPEARS THAT SOUTH FACING FOOTHILLS AND MOUNTAINS OF VENTURA AND LOS ANGELES COUNTIES WILL SEE THE HIGHEST TOTALS DUE TO THE LONGEST DURATION OF SOUTHERLY FLOW AND BEST UPPER LEVEL DYNAMICS. IN FACT...00Z NAM CONTINUES TO ADVERTISE STRONGEST UPPER LEVEL DIVERGENCE AND INSTABILITY OCCURRING LATE SUNDAY AFTERNOON INTO EARLY SUNDAY EVENING...WHICH WILL LIKELY BE THE FOCUS FOR HIGHEST RAINFALL INTENSITIES AND POSSIBLE CONVECTION FOR THE LOS ANGELES BASIN. IN TERMS OF CONVECTIVE PARAMETERS...00Z NAM INDICATES LIFTED INDEX VALUES BETWEEN 0 AND -2 AND CAPE VALUES EXCEEDING 400 RIGHT OFF THE LA COUNTY COAST DURING THIS TIME. THIS DUE TO THE PROJECTED COLD UPPER LEVEL LOW (500 MB TEMPERATURES AS LOW AS -26 DEGREES CELSIUS) MOVING OVER THE REGION AND DESTABILIZING THE ATMOSPHERE. THESE TYPE OF PARAMETERS SUPPORT THE SLIGHT CHANCE OF THUNDERSTORMS...WITH THE GREATEST THREATS BEING SMALL HAIL AND BRIEF HEAVY DOWNPOURS. THESE CONVECTIVE PARAMETERES COMBINED WITH SOME LOW LEVEL WIND SHEAR ALSO MAKE CONDITIONS FAVORABLE FOR POSSIBLE WATERSPOUTS ACROSS THE COASTAL WATERS OF LA AND ORANGE COUNTIES. WINTER STORM WATCH IN EFFECT FOR MOUNTAINS OF LOS ANGELES AND VENTURA COUNTIES. SNOW LEVELS WILL BE TRICKY WITH OPPOSING FORCES. THIS SYSTEM HAS FAIRLY COLD AIR ALOFT BUT THE LOW LEVELS WILL HAVE SOUTHERLY FLOW THAT TENDS TO MODIFY SNOW LEVELS. CURRENT THINKING IS THAT SNOW LEVELS WILL GENERALLY RANGE BETWEEN 5000 AND 5500 FEET ON SUNDAY...LOWERING TO 4500 FEET ON SUNDAY NIGHT. HOWEVER...MOST OF THE ACCUMULATIONS ARE EXPECTED TO OCCUR ABOVE 5500 FEET...IN THE 8 TO 16 INCH RANGE. LOCAL AMOUNTS TO 20 INCHES WILL BE POSSIBLE ABOVE 7000 FEET. IN ADDITION TO SNOW...THERE WILL LIKELY BE SOUTHERLY WINDS GUSTING TO 50 MPH IN THE MOUNTAINS. *** FROM PREVIOUS DISCUSSION *** PRECIP EXPECTED TO START TAPERING OFF LATE SUNDAY WITH JUST SOME LINGERING SHOWERS MONDAY, MAINLY OVER THE MTNS AND ERN/SRN LA COUNTY. .LONG TERM (TUE-FRI)...DRY AND A LITTLE WARMER MOST AREAS TUESDAY. BY LATE TUESDAY INTO WEDNESDAY MOISTURE FROM THE TAIL END OF A SYSTEM MOVING INTO NORTHERN CALIFORNIA WILL BRUSH THE CENTRAL COAST AND LEFT IN THE SLIGHT CHANCE POPS WE HAD GOING FOR THOSE AREAS. THE FRONT WASHES OUT AS IT MOVES SOUTH SO NO PRECIP EXPECTED SOUTH OF PT CONCEPTION BUT POSSIBLY SOME INCREASE IN CLOUDS WED. THEN A LITTLE RIDGE STARTS TO BUILD OVER THE AREA THU/FRI FOR DRY WEATHER AND A WARMING TREND. && .AVIATION...23/2345Z. MARINE LAYER CLOUDS HAVE GENERALLY MIXED OUT IN MOST AREAS LATE THIS AFTERNOON. RESIDUAL MOISTURE STILL IN PLACE ACROSS LOS ANGELES BASIN...EXPECTING LOW CLOUDS TO REDEVELOP ACROSS COASTAL AND VALLEY PORTIONS. HOWEVER...CONFIDENCE IS LOW FOR TIMING WHEN CEILINGS WILL REDEVELOP. INCREASING SOUTH TO SOUTHEAST WINDS EXPECTED FOR AREAS NORTH OF POINT CONCEPTION ON SATURDAY IN ADVANCE OF NEXT WEATHER SYSTEM. KLAX...FAIRLY HIGH CONFIDENCE FOR CEILING TO REDEVELOP AT SOME POINT TONIGHT...BUT CONFIDENCE IS LOW FOR TIMING. EXPECTING CEILINGS TO GENERALLY SETTLE IN THE 1000-2000 FOOT RANGE. KBUR...FAIRLY HIGH CONFIDENCE FOR CEILING TO REDEVELOP AT SOME POINT TONIGHT...BUT CONFIDENCE IS LOW FOR TIMING. EXPECTING CEILINGS TO GENERALLY SETTLE IN THE 1000-1500 FOOT RANGE. && .LOX WATCHES/WARNINGS/ADVISORIES... WINTER STORM WATCH (SEE LAXWSWLOX). SMALL CRAFT ADVISORY (SEE LAXMWWLOX). SPECIAL WEATHER STATEMENT (SEE LAXSPSLOX). && PUBLIC...GOMBERG/WOFFORD AVIATION...GOMBERG SYNOPSIS...SETO WWW.WEATHER.GOV/LOSANGELES
Hazardous weather outlook, Mar 23, 2:12 PM PDT, 12 hours 55 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 212 PM PDT FRI MAR 23 2012 CAZ034>041-044>046-051>054-059-087-088-547-548-241300- 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- 212 PM PDT FRI MAR 23 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA. .DAY ONE... TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED. .DAYS TWO THROUGH SEVEN... SATURDAY THROUGH THURSDAY A STORM SYSTEM WILL LIKELY BRING RAIN AND MOUNTAIN SNOW TO THE REGION OVER THE WEEKEND. IT APPEARS THAT THE BULK OF THE STORM WILL OCCUR LATE SATURDAY NIGHT INTO SUNDAY NIGHT. PRECIPITATION MAY BE HEAVY AT TIMES. THERE WILL BE A CHANCE OF THUNDERSTORMS SUNDAY INTO SUNDAY NIGHT. THERE WILL BE GUSTY SOUTH WINDS SATURDAY AFTERNOON THROUGH SUNDAY MORNING ACROSS SAN LUIS OBISPO AND SANTA BARBARA COUNTIES...AND IN THE MOUNTAINS. SIGNIFICANT SNOW COULD FALL AT LEVELS LOW ENOUGH TO AFFECT TRAVEL ON INTERSTATE 5 OVER THE GRAPEVINE LATE SUNDAY AND SUNDAY NIGHT. * WINTER STORM WATCH.........SEE WWUS46 KLOX - WSWLOX 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. WOFFORD
The office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 24, 2:21 PM PDT | Wind Advisory | LOX | Santa Barbara | 19 hr |
Nearby
Winter Storm Warnings in California, 2012Every winter storm warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.