Alert archive / California / Winter Storm Warnings in 2016
Winter Storm Warning 1, NWS Los Angeles, CA
NWS Los Angeles, CA issued this winter storm warning at Jan 4, 2016, 10:20 AM PST. It took effect at Jan 5, 2016, 4:00 AM PST. It was in force for 47 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
- Jan 4, 2016, 10:20 AM PST (18:20 UTC)
- In effect from
- Jan 5, 2016, 4:00 AM PST
- Expired
- Jan 7, 2016, 2:30 AM PST
- In force
- 47 hr
- Issued by
- NWS Los Angeles, CA
The text
As transmitted.
453 WWUS46 KLOX 041820 WSWLOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 1020 AM PST MON JAN 4 2016 ...FIRST BIG WINTER STORM EXPECTED TUESDAY AND WEDNESDAY... .A SERIES OF STORMS WILL MOVE THROUGH SOUTHERN CALIFORNIA THIS WEEK. WHILE A FEW LIGHT SHOWERS ARE POSSIBLE TODAY...TWO BIGGER STORMS WILL IMPACT THE AREA TUESDAY AND WEDNESDAY AND POSSIBLY THROUGH EARLY FRIDAY. THESE STORMS WILL BRING THE POTENTIAL FOR STRONG WINDS AND PERIODS OF HEAVY PRECIPITATION. THE SNOW LEVEL WILL LIKELY BE BETWEEN 6000 AND 7000 FEET TUESDAY...THEN FALLING TO AROUND 5000 FEET TUESDAY NIGHT AND WEDNESDAY. UP TO 2 FEET OF SNOW IS POSSIBLE DURING THIS PERIOD. CAZ053-054-050800- /O.UPG.KLOX.WS.A.0001.160105T1200Z-160107T0600Z/ /O.NEW.KLOX.WS.W.0001.160105T1200Z-160107T1200Z/ VENTURA COUNTY MOUNTAINS- LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON... MOUNT WILSON...SANDBERG 1020 AM PST MON JAN 4 2016 ...WINTER STORM WARNING IN EFFECT FROM 4 AM TUESDAY TO 4 AM PST THURSDAY... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 4 AM TUESDAY TO 4 AM PST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * SNOW...LIGHT SHOWERS TODAY AND TONIGHT WILL GENERATE LITTLE OR NO ACCUMULATION. PERIODS OF HEAVY SNOW ARE EXPECTED TUESDAY ABOVE 6000 TO 7000 FEET...TAPERING OFF TUESDAY NIGHT BUT THEN PICKING UP AGAIN WEDNESDAY AND WEDNESDAY NIGHT WITH SNOW LEVELS DOWN TO 5000 FEET. 1 TO 2 FEET OF SNOW ARE POSSIBLE ABOVE 6000 FEET WITH LESSER AMOUNTS DOWN TO 5000 FEET. * WINDS...SOUTHERLY WINDS 20 TO 30 MPH WITH GUSTS TO 45 MPH. THESE TWO SYSTEMS COULD BRING 1 TO 2 FEET OF SNOW TO AREAS ABOVE 6000 FEET. * MAIN IMPACT...THIS SYSTEM WILL LIKELY MAKE MOUNTAIN TRAVEL ABOVE THE 6000 FOOT LEVEL NEXT TO IMPOSSIBLE. PLAN YOUR TRAVEL ACCORDINGLY. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE PLANNING TRAVEL INTO THE MOUNTAINS THIS WEEK NEED TO MONITOR THE FORECAST FOR THE LATEST INFORMATION IN THIS POTENTIALLY DANGEROUS WINTER WEATHER EVENT. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. KEEP AN EMERGENCY KIT IN YOUR VEHICLE WHICH INCLUDES A FLASHLIGHT...FOOD AND WATER...EXTRA CLOTHES AND BLANKETS...AND TIRE CHAINS. && $$ MW
9 follow-up statements
716 WWUS46 KLOX 050801 WSWLOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 1201 AM PST TUE JAN 5 2016 ...HEAVY SNOW AND GUSTY WINDS EXPECTED IN THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS TUESDAY AND WEDNESDAY... .A SERIES OF STORMS WILL MOVE THROUGH SOUTHERN CALIFORNIA THIS WEEK. ONE STORM WILL PUSH ACROSS THE REGION TUESDAY...BRINGING PERIODS OF HEAVY RAIN AND SNOW TO THE MOUNTAINS OF LOS ANGELES AND VENTURA COUNTIES. AFTER A LULL IN THE PRECIPITATION TUESDAY NIGHT AND EARLY WEDNESDAY...ANOTHER STORM WILL LIKELY BRING RAIN AND SNOW...HEAVY AT TIMES...TO THE MOUNTAINS WEDNESDAY AFTERNOON INTO WEDNESDAY NIGHT. THERE WILL BE A SLIGHT CHANCE OF THUNDERSTORMS TUESDAY AND WEDNESDAY. IN ADDITION TO THE SNOW...GUSTY SOUTH TO WEST WINDS 20 TO 30 MPH WITH GUSTS TO 45 MPH WILL AFFECT THE MOUNTAINS AT TIMES THROUGH WEDNESDAY NIGHT. SNOW LEVELS WILL BE BETWEEN 6000 AND 7000 FEET TUESDAY...THEN FALL TO AROUND 5000 FEET TUESDAY NIGHT AND WEDNESDAY. IN HEAVIER SHOWERS AND THUNDERSTORMS...SNOW LEVELS COULD LOWER TO 4000 FEET ON WEDNESDAY. SNOW LEVELS WILL LOWER TO 4000 FEET IN MOST AREAS WEDNESDAY NIGHT. UP TO 2 FEET OF SNOW IS POSSIBLE DURING THIS PERIOD...WITH THE HIGHEST TOTALS ABOVE 6000 FEET. CAZ053-054-051615- /O.CON.KLOX.WS.W.0001.160105T1200Z-160107T1200Z/ VENTURA COUNTY MOUNTAINS- LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON... MOUNT WILSON...SANDBERG 1201 AM PST TUE JAN 5 2016 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 AM TUESDAY TO 4 AM PST THURSDAY... * SNOW...PERIODS OF HEAVY SNOW ARE EXPECTED TUESDAY. STEADY SNOW WILL TURN TO SCATTERED SNOW SHOWERS BY TUESDAY EVENING...THEN BECOME STEADY AND HEAVY AGAIN WEDNESDAY AFTERNOON AND WEDNESDAY NIGHT. THERE IS A SLIGHT CHANCE OF THUNDERSTORMS TUESDAY...AND AGAIN WEDNESDAY AFTERNOON AND EVENING. * SNOW LEVELS...SNOW LEVELS WILL BE BETWEEN 6000 AND 7000 FEET TUESDAY...THEN LOWER TO 5000 FEET WEDNESDAY...EXCEPT DOWN TO 4000 FEET IN THUNDERSTORMS. SNOW LEVELS WEDNESDAY NIGHT WILL BE BETWEEN 4000 AND 4500 FEET. * SNOW ACCUMULATIONS...1 TO 2 FEET OF SNOW IS EXPECTED ABOVE 6000 FEET WITH LESSER AMOUNTS DOWN TO 5000 FEET. * WINDS...SOUTH TO WEST WINDS 20 TO 30 MPH WITH GUSTS TO 45 MPH ARE EXPECTED TUESDAY THROUGH WEDNESDAY NIGHT. * MAIN IMPACT...THIS SYSTEM WILL LIKELY MAKE MOUNTAIN TRAVEL ABOVE THE 6000 FOOT LEVEL NEXT TO IMPOSSIBLE. SNOW COULD AFFECT INTERSTATE 5 NEAR THE GRAPEVINE LATE WEDNESDAY AND WEDNESDAY NIGHT. PLAN YOUR TRAVEL ACCORDINGLY. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE PLANNING TRAVEL INTO THE MOUNTAINS THIS WEEK SHOULD MONITOR THE FORECAST FOR THE LATEST INFORMATION IN THIS POTENTIALLY DANGEROUS WINTER WEATHER EVENT. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. KEEP AN EMERGENCY KIT IN YOUR VEHICLE WHICH INCLUDES A FLASHLIGHT...FOOD AND WATER...EXTRA CLOTHES AND BLANKETS...AND TIRE CHAINS. && $$ DB/ASR
840 WWUS46 KLOX 051600 WSWLOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 800 AM PST TUE JAN 5 2016 ...HEAVY SNOW AND GUSTY WINDS EXPECTED IN THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS TODAY AND WEDNESDAY... .A SERIES OF STORMS WILL MOVE THROUGH SOUTHERN CALIFORNIA THIS WEEK. ONE STORM WILL PUSH ACROSS THE REGION TODAY...BRINGING PERIODS OF HEAVY SNOW AND GUSTY WINDS TO THE MOUNTAINS OF LOS ANGELES AND VENTURA COUNTIES. AFTER A BREAK IN THE PRECIPITATION TONIGHT INTO EARLY WEDNESDAY...ANOTHER STORM WILL BRING HEAVY SNOW AND STRONGER WINDS TO THE MOUNTAINS WEDNESDAY AFTERNOON INTO WEDNESDAY NIGHT. THUNDERSTORMS ARE POSSIBLE WITH ANY OF THESE STORMS. CAZ053-054-060000- /O.CON.KLOX.WS.W.0001.000000T0000Z-160107T1200Z/ VENTURA COUNTY MOUNTAINS- LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON... MOUNT WILSON...SANDBERG 800 AM PST TUE JAN 5 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY... * SNOW...PERIODS OF HEAVY SNOW ARE EXPECTED THROUGH WEDNESDAY NIGHT...EXCEPT FOR A BRIEF BREAK TONIGHT INTO EARLY WEDNESDAY. ACCUMULATIONS TOTALING 1 TO 2 FEET ARE POSSIBLE THROUGH THE PERIOD ABOVE 6000 FEET ELEVATIONS...WITH LESSER AMOUNTS DOWN TO ELEVATIONS OF 4500 FEET. * SNOW LEVELS...SNOW LEVELS WILL BE BETWEEN 6000 AND 7000 FEET TODAY...THEN LOWER TO 4500 TO 5000 FEET ON WEDNESDAY. SNOW LEVELS COULD LOCALLY DROP TO 4000 FEET WITH ANY HEAVIER CELLS. * WINDS...SOUTH TO WEST WINDS 15 TO 30 MPH WITH GUSTS TO 45 MPH TODAY...AND 20 TO 35 MPH WITH GUSTS TO 55 MPH ON WEDNESDAY. * IMPACTS...MOUNTAIN OUTDOOR ACTIVITIES AND TRAVEL WILL BE HAZARDOUS...AND NEAR IMPOSSIBLE AT ELEVATIONS ABOVE 6000 FEET. SNOW COULD AFFECT INTERSTATE 5 NEAR THE GRAPEVINE LATE WEDNESDAY. BLOWING SNOW COULD REDUCE VISIBILITIES TO NEAR ZERO AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. KEEP AN EMERGENCY KIT IN YOUR VEHICLE WHICH INCLUDES A FLASHLIGHT...FOOD AND WATER...EXTRA CLOTHES AND BLANKETS...AND TIRE CHAINS. && $$ KITTELL
375 WWUS46 KLOX 060010 WSWLOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 410 PM PST TUE JAN 5 2016 ...WINTER STORM WARNING REMAINS IN EFFECT FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS THROUGH WEDNESDAY NIGHT... .A SERIES OF STORMS WILL MOVE THROUGH SOUTHERN CALIFORNIA THIS WEEK. THE COLD FRONT THAT PUSHED THROUGH THE MOUNTAINS TODAY HAS SHIFTED EAST OF LOS ANGELES COUNTY AS OF 4 PM THIS AFTERNOON BUT SCATTERED SHOWERS WILL CONTINUE THROUGH TONIGHT. ANOTHER STORM WILL BRING HEAVY SNOW AND EVEN STRONGER WINDS TO THE MOUNTAINS WEDNESDAY AFTERNOON INTO WEDNESDAY NIGHT. THUNDERSTORMS WILL BE POSSIBLE WITH ANY OF THESE STORMS. CAZ053-054-061200- /O.CON.KLOX.WS.W.0001.000000T0000Z-160107T1200Z/ VENTURA COUNTY MOUNTAINS- LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON... MOUNT WILSON...SANDBERG 410 PM PST TUE JAN 5 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY... * SNOW...SCATTERED SHOWERS WILL BRING PERIODS OF LIGHT TO MODERATE SNOW AT TIMES THROUGH EARLY WEDNESDAY. ANOTHER ROUND OF STEADY AND HEAVY SNOW IS EXPECTED LATE WEDNESDAY MORNING THROUGH WEDNESDAY NIGHT. TOTAL SNOW ACCUMULATIONS TOTALING 1 TO 2 FEET ARE POSSIBLE THROUGH WEDNESDAY NIGHT ABOVE 6000 FEET...WITH LESSER AMOUNTS DOWN TO ELEVATIONS OF 4500 FEET. * SNOW LEVELS...SNOW LEVELS WILL BE BETWEEN 5500 AND 6500 FEET TONIGHT...THEN LOWER TO 4500 TO 5000 FEET ON WEDNESDAY. SNOW LEVELS COULD LOCALLY DROP TO 4000 FEET WITH HEAVIER STORMS. * WINDS...SOUTHWEST TO WEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH TONIGHT...BECOMING SOUTHWEST 20 TO 35 MPH WITH GUSTS TO 55 MPH ON WEDNESDAY. * IMPACTS...MOUNTAIN OUTDOOR ACTIVITIES AND TRAVEL WILL BE HAZARDOUS...AND NEAR IMPOSSIBLE AT ELEVATIONS ABOVE 5000 FEET ON WEDNESDAY. SNOW COULD AFFECT INTERSTATE 5 NEAR THE GRAPEVINE LATE WEDNESDAY. BLOWING SNOW COULD REDUCE VISIBILITIES TO NEAR ZERO AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. KEEP AN EMERGENCY KIT IN YOUR VEHICLE WHICH INCLUDES A FLASHLIGHT...FOOD AND WATER...EXTRA CLOTHES AND BLANKETS...AND TIRE CHAINS. && $$ GOMBERG/SMITH
461 WWUS46 KLOX 060610 WSWLOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 1010 PM PST TUE JAN 5 2016 ...DANGEROUS WINTER STORM CONDITIONS FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS WEDNESDAY THROUGH WEDNESDAY NIGHT... .ANOTHER STRONG PACIFIC STORM IS EXPECTED TO BRING DANGEROUS WINTER WEATHER CONDITIONS FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS WEDNESDAY THROUGH WEDNESDAY NIGHT. WIDESPREAD HEAVY SNOW ACCUMULATIONS ARE EXPECTED WITH THE FRONT FROM MID MORNING THROUGH AFTERNOON ON WEDNESDAY...WITH SNOW LEVELS GENERALLY RANGING BETWEEN 5000 AND 6000 FEET. HEAVIER SHOWERS OR THUNDERSTORMS COULD LOCALLY BRING SNOW LEVELS DOWN TO 4000 FEET ON WEDNESDAY. ADDITIONAL MODERATE TO HEAVY SNOW WILL BE POSSIBLE ON WEDNESDAY NIGHT WHEN SNOW LEVELS COULD FALL AS LOW AS 4000 FEET. IN ADDITION TO THE HEAVY SNOW...SOUTHWEST WINDS GUSTING BETWEEN 50 AND 60 MPH COULD CREATE VISIBILITIES NEAR ZERO AT TIMES WITH BLOWING SNOW...WITH NEAR BLIZZARD CONDITIONS POSSIBLE AT TIMES. CAZ053-054-061330- /O.CON.KLOX.WS.W.0001.000000T0000Z-160107T1200Z/ VENTURA COUNTY MOUNTAINS- LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON... MOUNT WILSON...SANDBERG 1010 PM PST TUE JAN 5 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY... * SNOW...SCATTERED SHOWERS WILL BRING OCCASIONAL LIGHT TO MODERATE SNOW THROUGH EARLY WEDNESDAY. ANOTHER ROUND OF STEADY AND HEAVY SNOW IS EXPECTED MID MORNING WEDNESDAY THROUGH WEDNESDAY NIGHT. TOTAL SNOW ACCUMULATIONS THROUGH WEDNESDAY NIGHT ARE EXPECTED TO RANGE FROM 1 TO 2 FEET ABOVE 6000 FEET... WITH LESSER AMOUNTS DOWN TO ELEVATIONS OF 4000 FEET. * SNOW LEVELS...SNOW LEVELS WILL RANGE BETWEEN 5000 AND 6000 FEET ON WEDNESDAY...LOCALLY DOWN TO 4000 FEET IN HEAVIER SHOWERS OR THUNDERSTORMS. SNOW LEVELS COULD FALL AS LOW AS 4000 FEET ON WEDNESDAY NIGHT. * WINDS...SOUTHWEST TO WEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH TONIGHT...BECOMING SOUTHWEST 25 TO 40 MPH WITH GUSTS TO 60 MPH ON WEDNESDAY. * IMPACTS...A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW AND STRONG WINDS COULD CREATE BLOWING SNOW WITH WHITEOUT CONDITIONS AT TIMES...MAKING TRAVEL DANGEROUS. SNOW COULD AFFECT INTERSTATE 5 NEAR THE GRAPEVINE LATE WEDNESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW AND STRONG WINDS WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EMERGENCY KIT IN YOUR VEHICLE WHICH INCLUDES A FLASHLIGHT...FOOD AND WATER...EXTRA CLOTHES AND BLANKETS...AND TIRE CHAINS. && $$ GOMBERG/RORKE
771 WWUS46 KLOX 060952 WSWLOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 152 AM PST WED JAN 6 2016 ...DANGEROUS WINTER STORM CONDITIONS FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS THROUGH TONIGHT... .ANOTHER STRONG PACIFIC STORM IS EXPECTED TO BRING DANGEROUS WINTER WEATHER CONDITIONS FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS THROUGH TONIGHT. WIDESPREAD HEAVY SNOW ACCUMULATIONS ARE EXPECTED WITH THE FRONT FROM THE MID MORNING HOURS THROUGH AFTERNOON HOURS TODAY...WITH SNOW LEVELS GENERALLY RANGING BETWEEN 5000 AND 6000 FEET. HEAVIER SHOWERS OR THUNDERSTORMS COULD LOCALLY BRING SNOW LEVELS DOWN TO 4000 FEET AT TIMES. ADDITIONAL MODERATE TO HEAVY SNOW WILL BE POSSIBLE TONIGHT WHEN SNOW LEVELS COULD FALL AS LOW AS 4000 FEET. IN ADDITION TO THE HEAVY SNOW...SOUTHWEST WINDS GUSTING BETWEEN 50 AND 60 MPH WILL CREATE VISIBILITIES NEAR ZERO AT TIMES WITH BLOWING SNOW...AND NEAR BLIZZARD CONDITIONS POSSIBLE AT TIMES. CAZ053-054-061800- /O.CON.KLOX.WS.W.0001.000000T0000Z-160107T1200Z/ VENTURA COUNTY MOUNTAINS- LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON... MOUNT WILSON...SANDBERG 152 AM PST WED JAN 6 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY... * SNOW...SCATTERED SHOWERS WILL BRING OCCASIONAL LIGHT TO MODERATE SNOW THROUGH EARLY THIS MORNING. THEN...ANOTHER ROUND OF STEADY AND HEAVY SNOW IS EXPECTED TODAY AS A ANOTHER STORM MOVES INTO THE AREA. SNOW...HEAVY AT TIMES...WILL OCCUR THROUGH TONIGHT. TOTAL SNOW ACCUMULATIONS THROUGH TONIGHT ARE EXPECTED TO RANGE FROM 1 TO 2 FEET ABOVE 6000 FEET... WITH LESSER AMOUNTS DOWN TO ELEVATIONS OF 4000 FEET. * SNOW LEVELS...SNOW LEVELS WILL RANGE BETWEEN 5000 AND 6000 FEET...LOCALLY DOWN TO 4000 FEET IN HEAVIER SHOWERS OR THUNDERSTORMS. SNOW LEVELS COULD FALL AS LOW AS 4000 FEET TONIGHT. * WINDS...SOUTHWEST TO WEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL BECOME SOUTHWEST 25 TO 40 MPH WITH GUSTS TO 60 MPH LATE THIS MORNING AND REMAIN STRONG INTO THE AFTERNOON. * IMPACTS...TRAVEL MAY BE IMPACTED ACROSS MOUNTAIN HIGHWAYS THROUGH TONIGHT. SIGNIFICANT AMOUNTS OF SNOW AND STRONG WINDS WILL COMBINE TO CREATE WHITEOUT CONDITIONS AT TIMES. TRAVEL MAY DANGEROUS ON MOUNTAIN HIGHWAYS SUCH AS ANGELES CREST HIGHWAY AND HIGHWAY 39. SNOW COULD AFFECT INTERSTATE 5 NEAR THE GRAPEVINE LATE TODAY AND TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW AND STRONG WINDS WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EMERGENCY KIT IN YOUR VEHICLE WHICH INCLUDES A FLASHLIGHT...FOOD AND WATER...EXTRA CLOTHES AND BLANKETS...AND TIRE CHAINS. && $$ HALL/ASR
451 WWUS46 KLOX 061302 WSWLOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 502 AM PST WED JAN 6 2016 ...DANGEROUS WINTER STORM CONDITIONS FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS THROUGH TONIGHT... .ANOTHER STRONG PACIFIC STORM IS EXPECTED TO BRING DANGEROUS WINTER WEATHER CONDITIONS FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS THROUGH TONIGHT. WIDESPREAD HEAVY SNOW ACCUMULATIONS ARE EXPECTED WITH THE FRONT FROM THE MID MORNING HOURS THROUGH AFTERNOON HOURS TODAY...WITH SNOW LEVELS GENERALLY RANGING BETWEEN 5000 AND 6000 FEET. HEAVIER SHOWERS OR THUNDERSTORMS COULD LOCALLY BRING SNOW LEVELS DOWN TO 4000 FEET AT TIMES. ADDITIONAL MODERATE TO HEAVY SNOW WILL BE POSSIBLE TONIGHT WHEN SNOW LEVELS COULD FALL AS LOW AS 4000 FEET. IN ADDITION TO THE HEAVY SNOW...SOUTHWEST WINDS GUSTING BETWEEN 50 AND 60 MPH WILL CREATE VISIBILITIES NEAR ZERO AT TIMES WITH BLOWING SNOW...AND NEAR BLIZZARD CONDITIONS POSSIBLE AT TIMES. CAZ053-054-062130- /O.CON.KLOX.WS.W.0001.000000T0000Z-160107T1200Z/ VENTURA COUNTY MOUNTAINS- LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON... MOUNT WILSON...SANDBERG 502 AM PST WED JAN 6 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY... * SNOW...SCATTERED SHOWERS WILL BRING OCCASIONAL LIGHT TO MODERATE SNOW THROUGH EARLY THIS MORNING. THEN...ANOTHER ROUND OF STEADY AND HEAVY SNOW IS EXPECTED TODAY AS A ANOTHER STORM MOVES INTO THE AREA. SNOW...HEAVY AT TIMES...WILL OCCUR THROUGH TONIGHT. TOTAL SNOW ACCUMULATIONS THROUGH TONIGHT ARE EXPECTED TO RANGE FROM 1 TO 2 FEET ABOVE 6000 FEET... WITH LESSER AMOUNTS DOWN TO ELEVATIONS OF 4000 FEET. * SNOW LEVELS...SNOW LEVELS WILL RANGE BETWEEN 5000 AND 6000 FEET...LOCALLY DOWN TO 4000 FEET IN HEAVIER SHOWERS OR THUNDERSTORMS. SNOW LEVELS COULD FALL AS LOW AS 4000 FEET TONIGHT. * WINDS...SOUTHWEST TO WEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL BECOME SOUTHWEST 25 TO 40 MPH WITH GUSTS TO 60 MPH LATE THIS MORNING AND REMAIN STRONG INTO THE AFTERNOON. * IMPACTS...TRAVEL MAY BE IMPACTED ACROSS MOUNTAIN HIGHWAYS THROUGH TONIGHT. SIGNIFICANT AMOUNTS OF SNOW AND STRONG WINDS WILL COMBINE TO CREATE WHITEOUT CONDITIONS AT TIMES. TRAVEL MAY DANGEROUS ON MOUNTAIN HIGHWAYS SUCH AS ANGELES CREST HIGHWAY AND HIGHWAY 39. SNOW COULD AFFECT INTERSTATE 5 NEAR THE GRAPEVINE LATE TODAY AND TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW AND STRONG WINDS WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EMERGENCY KIT IN YOUR VEHICLE WHICH INCLUDES A FLASHLIGHT...FOOD AND WATER...EXTRA CLOTHES AND BLANKETS...AND TIRE CHAINS. && $$ HALL
483 WWUS46 KLOX 062130 WSWLOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 130 PM PST WED JAN 6 2016 ...DANGEROUS WINTER STORM CONDITIONS FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS THROUGH TONIGHT... .SNOW SHOWERS...HEAVY AT TIMES...WILL CONTINUE THROUGH TONIGHT. IN ADDITION TO THE HEAVY SNOW...SOUTHWEST WINDS GUSTING BETWEEN 50 AND 60 MPH WILL CREATE VISIBILITIES NEAR ZERO AT TIMES WITH BLOWING SNOW...AND NEAR BLIZZARD CONDITIONS POSSIBLE AT TIMES...ESPECIALLY THIS AFTERNOON AND EVENING. CAZ053-054-070600- /O.CON.KLOX.WS.W.0001.000000T0000Z-160107T1200Z/ VENTURA COUNTY MOUNTAINS- LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON... MOUNT WILSON...SANDBERG 130 PM PST WED JAN 6 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY... * SNOW...SHOWERS WILL BRING PERIODS OF MODERATE TO LOCALLY HEAVY SNOW THROUGH TONIGHT. TOTAL SNOW ACCUMULATIONS THROUGH TONIGHT ARE EXPECTED TO RANGE FROM 1 TO 2 FEET ABOVE 6000 FEET... WITH LESSER AMOUNTS DOWN TO 4000 FEET. * SNOW LEVELS...SNOW LEVELS WILL BE AROUND 5000 FEET...LOCALLY DOWN TO 4000 FEET IN HEAVIER SHOWERS OR THUNDERSTORMS. * WINDS...SOUTHWEST 25 TO 40 MPH WITH GUSTS TO 60 MPH...DECREASING SOME OVERNIGHT. * IMPACTS...TRAVEL MAY BE IMPACTED ACROSS MOUNTAIN HIGHWAYS THROUGH TONIGHT. SIGNIFICANT AMOUNTS OF SNOW AND STRONG WINDS WILL COMBINE TO CREATE WHITEOUT CONDITIONS AT TIMES. TRAVEL MAY DANGEROUS ON MOUNTAIN HIGHWAYS SUCH AS ANGELES CREST HIGHWAY AND HIGHWAY 39. SNOW COULD AFFECT INTERSTATE 5 NEAR THE GRAPEVINE LATE TODAY AND TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW AND STRONG WINDS WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EMERGENCY KIT IN YOUR VEHICLE WHICH INCLUDES A FLASHLIGHT...FOOD AND WATER...EXTRA CLOTHES AND BLANKETS...AND TIRE CHAINS. && $$
232 WWUS46 KLOX 070239 WSWLOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 639 PM PST WED JAN 6 2016 ...DANGEROUS WINTER STORM CONDITIONS CONTINUE FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS TONIGHT... .SNOW SHOWERS...HEAVY AT TIMES...WILL CONTINUE TONIGHT. IN ADDITION TO THE HEAVY SNOW...SOUTHWEST WINDS GUSTING TO BETWEEN 35 AND 45 MPH WILL CREATE VISIBILITIES NEAR ZERO AT TIMES WITH BLOWING SNOW. SNOW LEVELS AROUND 4000 FEET...LOCALLY LOWER IN HEAVIER SHOWERS...WILL BRING POTENTIAL SNOW ACCUMULATIONS TO THE UPPER PORTIONS OF INTERSTATE 5 NEAR THE GRAPEVINE TONIGHT. CAZ053-054-071200- /O.CON.KLOX.WS.W.0001.000000T0000Z-160107T1200Z/ VENTURA COUNTY MOUNTAINS- LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON... MOUNT WILSON...SANDBERG 639 PM PST WED JAN 6 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY... * SNOW...SHOWERS WILL BRING PERIODS OF MODERATE TO LOCALLY HEAVY SNOW TONIGHT. TOTAL SNOW ACCUMULATIONS THROUGH TONIGHT ARE EXPECTED TO RANGE FROM 1 TO 2 FEET ABOVE 6000 FEET... WITH LESSER AMOUNTS DOWN TO 4000 FEET. * SNOW LEVELS...SNOW LEVELS WILL BE AROUND 4000 FEET...LOCALLY DOWN TO 3500 FEET IN HEAVIER SHOWERS OR THUNDERSTORMS. * WINDS...SOUTHWEST TO WEST 20 TO 30 MPH WITH GUSTS TO 45 MPH. * IMPACTS...TRAVEL WILL LIKELY BE IMPACTED ACROSS MOUNTAIN HIGHWAYS TONIGHT. SIGNIFICANT AMOUNTS OF SNOW AND GUSTY WINDS WILL COMBINE TO CREATE WHITEOUT CONDITIONS AT TIMES. TRAVEL WILL BE DANGEROUS ON MOUNTAIN HIGHWAYS SUCH AS ANGELES CREST HIGHWAY AND HIGHWAY 39. SNOW WILL LIKELY IMPACT UPPER PORTIONS OF INTERSTATE 5 NEAR THE GRAPEVINE TONIGHT AND EARLY THURSDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW AND STRONG WINDS WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EMERGENCY KIT IN YOUR VEHICLE WHICH INCLUDES A FLASHLIGHT...FOOD AND WATER...EXTRA CLOTHES AND BLANKETS...AND TIRE CHAINS. && $$ GOMBERG/RORKE
684 WWUS46 KLOX 071030 WSWLOX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 230 AM PST THU JAN 7 2016 CAZ053-054-071800- /O.CAN.KLOX.WS.W.0001.000000T0000Z-160107T1200Z/ /O.NEW.KLOX.WW.Y.0001.160107T1030Z-160107T2000Z/ VENTURA COUNTY MOUNTAINS- LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON... MOUNT WILSON...SANDBERG 230 AM PST THU JAN 7 2016 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON PST TODAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A WINTER WEATHER ADVISORY FOR ACCUMULATING SNOW AND GUSTY WINDS. THIS ADVISORY IS IN EFFECT UNTIL NOON PST TODAY AND REPLACES THE WINTER STORM WARNING. * SNOW...SHOWERS WILL BRING PERIODS OF MODERATE TO LOCALLY HEAVY SNOW THIS MORNING. TOTAL SNOW ACCUMULATIONS THIS MORNING ARE EXPECTED TO RANGE FROM 3 TO 6 INCHES ABOVE 4000 FEET. * SNOW LEVELS...SNOW LEVELS WILL BE AROUND 4000 FEET...LOCALLY DOWN TO 3500 FEET IN HEAVIER SHOWERS OR THUNDERSTORMS. * WINDS...SOUTHWEST TO WEST 20 TO 30 MPH WITH GUSTS TO 45 MPH. * IMPACTS...TRAVEL WILL LIKELY BE IMPACTED ACROSS MOUNTAIN HIGHWAYS THIS MORNING. ACCUMULATING SNOW AND GUSTY WINDS WILL COMBINE TO CREATE NEAR WHITEOUT CONDITIONS AT TIMES. IN ADDITION...BLACK ICE WILL IMPACT TRAVEL ON MOUNTAIN ROADWAYS THIS MORNING AS RAIN PUDDLES AND MELTED SNOW HAVE FROZEN OVERNIGHT. TRAVEL WILL BE TREACHEROUS AT TIMES ON MOUNTAIN HIGHWAYS THIS MORNING SUCH AS ANGELES CREST HIGHWAY...HIGHWAY 39...INTERSTATE 5 NEAR THE GRAPEVINE...AND HIGHWAY 14 NEAR THE SOLEDAD CANYON PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. KEEP AN EMERGENCY KIT IN YOUR VEHICLE WHICH INCLUDES A FLASHLIGHT...FOOD AND WATER...EXTRA CLOTHES AND BLANKETS...AND TIRE CHAINS. && $$ HALL
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 Jan 4, 9:05 AM PST, 1 hour 15 minutes earlier.
Area forecast discussion, Jan 4, 9:05 AM PST, 1 hour 15 minutes before
SOUTHWEST CALIFORNIA AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 905 AM PST MON JAN 4 2016 .SYNOPSIS... A SERIES OF STORMS WILL BRING WIDESPREAD RAIN...MOUNTAIN SNOW AND GUSTY SOUTHWEST WINDS AT TIMES THROUGH THE NEXT SEVEN DAYS. COLDER AIR ALOFT WILL BUILD INTO THE REGION MID-WEEK LOWERING SNOW LEVELS TO NEAR THE TEJON PASS OVER THE GRAPEVINE. && .SHORT TERM (TODAY-WED)...FIRST SYSTEM HIT A WALL OF EAST WIND AND DRY AIR AT LOWER LEVELS AND JUST COULD NOT HOLD TOGETHER. THERE ARE A FEW LIGHT SHOWERS AROUND AND ONE LAST BATCH NEAR PT CONCEPTION BUT MODELS WEAKEN THIS FEATURE THROUGH THE MORNING AND I DON'T EXPECT IT WILL HOLD TOGETHER MUCH LONGER. LOWERED RAIN FORECAST TODAY TO SCATTERED SHOWERS FOR VENTURA/LA COUNTIES WITH AMOUNTS GENERALLY UNDER A TENTH OF AN INCH. THE FORECAST FOR THE REMAINDER OF THE WEEK IS STILL ON TRACK. TIMING MAY NEED SOME SLIGHT ADJUSTMENTS AS THE TUE STORM APPEARS TO BE A LITTLE FASTER MOVING THAN THOUGHT PREVIOUSLY BUT BOTH TUE/WED SYSTEMS WILL BRING PERIODS OF MODERATE TO HEAVY RAIN AND MOUNTAIN SNOW. MODELS ALSO SHOWING A LITTLE MORE INSTABILITY TUE SO THE ADDITION OF THUNDERSTORMS TO THE FORECAST LOOKS GOOD AS WELL. A FLASH FLOOD WATCH FOR BURN AREAS WILL BE ISSUED TODAY AT LEAST FOR THE TUE/WED SYSTEMS AND MAY NEED TO INCLUDE THU AS WELL GIVEN THE POTENTIAL FOR THUNDERSTORMS AGAIN. ***FROM PREVIOUS DISCUSSION*** LATER TONIGHT A TROF AND A SFC COLD FRONT EXTENDING FROM A COLD 533 DM UPPER LOW 150 MILES WEST OF COOS BAY OREGON WILL BEGIN ITS APPROACH INTO THE STATE. THIS SHOULD BE THE BIGGEST STORM OF THE WEEK. THE FRONT WILL SWEEP THROUGH SRN CA DURING THE DAY TUESDAY ARRIVING ALONG THE CENTRAL COAST AROUND DAWN AND EXITING L.A. COUNTY AROUND SUNSET. THE BIG NEWS WITH THIS SYSTEM IS THAT THERE WILL BE VERY LARGE AREA OF SOUTH FLOW AHEAD OF THE FRONT AND THIS WILL MAKE FOR A VERY WET DAY. THERE WILL BE ENOUGH DYNAMICS ALONG THE FRONT TO CREATE A FEW TSTMS AS WELL. RAINFALL WILL BE HEAVY AT TIMES AND RATES MAY BE HIGH ENOUGH TO CREATE SOME DEBRIS FLOWS BELOW THE RECENT BURN AREAS. IN THE MOUNTAINS SNOW LEVELS WILL HOVER AROUND 6000 FEET. THE SNOW LEVELS MAY BE VARIABLE HOWEVER AS THE WARM SOUTH FLOW WILL LIFT THE SNOW LEVELS IN THE SOUTHERN RANGES WHILE COLDER AIR WILL ALLOW FOR LOWER SNOW LEVELS NEAR THE KERN COUNTY LINE. THE TIGHT SFC PRESSURE GRADIENT WILL CREATE GUSTY WINDS AHEAD OF THE FRONT 15 TO 25 MPH ACROSS THE COASTS AND VLYS AND 20 TO 30 WITH GUSTS 45 MPH ACROSS THE HIGHER TERRAIN. RAINFALL TOTALS FOR TUESDAY STILL LOOK LIKE 1-2" COAST/VALLEYS AND 2- 4" FOOTHILLS/MOUNTAINS. LOTS OF SNOW ESPECIALLY AT ELEVATIONS AT OR ABOVE 7000 FEET WHERE UP TO 2 FEET IS POSSIBLE WITH ABOUT A FOOT AROUND THE 6000 FOOT LEVEL. THE DAY SHIFT WILL TAKE A LOOK AT THE 12Z MDLS AND MAKE FINAL TIMING ADJUSTMENTS AND WILL LIKELY CONVERT THE WINTER STORM WATCH TO A WINTER STORM WARNING. THE BIG QUESTION WILL BE HOW TO DEAL WITH THE BREAK IN THE ACTION TUESDAY EVENING. INDEED THERE WILL BE A BREAK IN THE ACTION TUESDAY NIGHT AND EARLY WEDNESDAY AS TUESDAYS FRONT EXITS AND A LITTLE RIDGE POPS UP AHEAD OF WEDNESDAYS STORM NUMBER THREE. THERE MAY BE SOME RESIDUAL SHOWERS BUT NOTHING TOO GREAT. ON WEDNESDAY A SECOND COLDER 526 DM UPPER LOW WILL ROTATE INTO THE PLACE OF TUESDAYS LOW. THE COLD FRONT AND THE RAIN WILL ENTER THE CENTRAL COAST IN THE MORNING AND WHILE THERE IS A CHC OF RAIN SOUTH OF POINT CONCEPTION IN THE MORNING THE BULK OF THE RAIN WILL MOVE INTO VTA AND LA COUNTIES IN THE AFTERNOON. THE MDLS ARE NOT IN TOTAL AGREEMENT BUT THERE IS A CHC OF ANOTHER BURST OF HEAVY RAIN WITH THIS SYSTEM. THERE IS NOT QUITE AS MUCH MOISTURE OR SOUTH FLOW TO WORK WITH THIS SYSTEM AND EXPECT RAIN AND SNOW AMOUNT TO BE ABOUT HALF OF THE AMOUNTS GENERATED ON TUESDAY. SNOW LEVELS MAY BE AS LOW AS 5000 FEET WHICH WOULD BE A PROBLEM FOR THE GRAPEVINE. .LONG TERM (WED NIGHT-SUN)... ON WEDNESDAY NIGHT THE UPPER LOW OFF OF OREGON ELONGATES AND TAKES ON A NEGATIVE TILT. THIS SETS UP A MOIST WNW FLOW PATTERN OVER SRN CA AND UNLIKE TUESDAY IT WILL KEEP THE RAIN GOING ALL NIGHT LONG. THE UPPER LOW WILL SLOWLY SLIDE THROUGH THE STATE THURSDAY AND THURSDAY NIGHT AND IT WILL BRING ENOUGH LIFT AND MOISTURE TO KEEP SHOWER ACTIVITY GOING ALL THE WAY INTO FRIDAY MORNING. RAINFALL AMOUNTS WILL NOT BE AS IMPRESSIVE AS ON TUESDAY AND WEDNESDAY BUT THEY WILL CONTINUE TO ADD TO THE WEEKS TOTALS. ALL MDLS AGREE THAT THERE WILL BE A BREAK IN THE ACTION LATER FRIDAY AND INTO SATURDAY MORNING AS RIDGE BUILDS IN BEHIND THE EXITING UPPER LOW. FORECAST GETS A LITTLE MURKY LATER SATURDAY INTO SUNDAY AS SOME MDLS BRING AN EMBEDDED IMPULSE DOWN IN THE NW FLOW OVER THE STATE. ITS NOT A SURE THING BUT IT IS WORTH A CHC OF SHOWERS FOR LATER SATURDAY THROUGH SUNDAY. AGAIN IF IT DOES RAIN IT DOES NOT LOOK LIKE IT WILL BE TOO MUCH. && .AVIATION...04/1200Z. AT 1100Z...THERE WAS NO MARINE INVERSION AT KLAX. WEAKENING FRONTAL SYSTEM HAS PIVOTED INTO THE REGION...AND WAS DRAPED ACROSS THE FCST AREA THIS MORNING. THERE WERE MERGING CLOUD LAYERS FROM ABOUT 4000 FEET UP TO 15000 FEET. CIGS WILL BE MOSTLY VFR TODAY...BUT THERE COULD BE A PERIOD OF MVFR CIGS IN MANY AREA THIS MORNING INTO EARLY THIS AFTERNOON...ALONG WITH SOME LIGHT RAIN. IN THE MTNS AND FOOTHILLS...THERE WILL BE SOME IFR CONDS THIS MORNING. RAIN OR SHOWERS SHOULD END IN MOST AREAS BY MID OR LATE AFTERNOON. CONDS WILL GENERALLY BE VFR FROM LATE AFTERNOON THROUGH THIS EVENING IN MOST AREAS...EXCEPT MVFR IN THE MTNS. CLOUDS WILL LOWER TONIGHT AS THE LEADING EDGE OF THE NEXT STORM PUSHES INTO THE AREA...WITH MVFR AND LOCALLY HIGH IFR CIGS AND RAIN PUSHING INTO SLO AND SBA COUNTIES BY LATE TONIGHT. KLAX...MODERATE CONFIDENCE IN THE 12Z TAF. THERE IS A 20 TO 30 PERCENT CHANCE OF MVFR CIGS BETWEEN 13Z AND 18Z. THERE IS A 20 TO 30 PERCENT CHANCE THAT EAST WINDS WILL EXCEED 10 KNOTS BETWEEN 12Z AND 18Z. THERE IS A 20 PERCENT CHANCE THAT MVFR CIGS WILL ARRIVE AS EARLY AS 06Z TONIGHT...WITH RAIN POSSIBLY ARRIVING AS EARLY AS 10Z. KBUR...MODERATE CONFIDENCE IN THE 12Z TAF. THERE IS A 20 TO 30 PERCENT CHANCE OF MVFR CIGS BETWEEN 13Z AND 18Z. THERE IS A 20 PERCENT CHANCE THAT MVFR CIGS WILL ARRIVE AS EARLY AS 06Z TONIGHT...WITH RAIN POSSIBLY ARRIVING AS EARLY AS 10Z. && .MARINE... 04/340 AM. THERE WILL BE PERIODS OF GUSTY WINDS THROUGH THURSDAY WITH A BUILDING LONG PERIOD WEST SWELL BRINGING SWELLS OVER 10 FEET SWELLS MUCH OF THIS WEEK. THEREFORE A COVER-ALL SMALL CRAFT ADVISORY HANDLING BOTH THE HAZARDOUS SEAS AND WINDS WILL PERSIST THROUGH AT LEAST THURSDAY AFTERNOON. SCA CONDS ARE ALSO AFFECTING THE INNER WATERS. GUSTS TO 25 KNOTS ARE EXPECTED THROUGH MID MORNING FOR THE SOCAL BIGHT. A LONG-PERIOD LARGE WESTERLY SWELL WILL LIKELY IMPACT THE COASTAL WATERS FOR MID-TO-LATE NEXT WEEK...WITH WAVE HEIGHTS NEAR 20 FEET. IF THIS SWELL DEVELOPS AS FORECAST BY THE MODELS...THE VERY LARGE SWELL MIXING WITH SOUTHERLY WIND WAVES WOULD CAUSE ROUGH SEAS ACROSS ALL COASTAL WATERS...ALONG WITH HAZARDOUS CONDITIONS FOR WEST AND NORTHWEST FACING HARBORS SUCH AS MORRO BAY...VENTURA HARBOR...AND MARINA DEL REY. && .BEACHES...04/400 AM. A LARGE LONG-PERIOD WESTERLY SWELL IS EXPECTED TO CAUSE HIGH SURF ACROSS THE CENTRAL COAST...SPREADING INTO THE WATERS SOUTH OF PT CONCEPTION EARLY TODAY. HIGH SURF ADVISORIES HAVE BEEN POSTED FOR ALL BEACH AREAS. SURF WILL REMAIN HIGH THROUGH THE WEEK...AND MAY BUILD TO NEAR OR ABOVE HIGH SURF WARNING LEVELS BY THE MIDDLE OF THE WEEK. THERE IS MODERATE-TO-HIGH CONFIDENCE THAT LARGE AND POTENTIALLY DAMAGING SURF...COASTAL FLOODING...AND BEACH EROSION WILL AFFECT SOUTHERN CALIFORNIA BEACHES TUESDAY NIGHT THROUGH THURSDAY NIGHT. IN ADDITION...THERE WILL BE A SIGNIFICANT RISK OF SNEAKER WAVES WITH THIS EVENT. MANY HARBORS AND COASTAL STRUCTURES HAVE THE POTENTIAL TO BE AFFECTED. && .LOX WATCHES/WARNINGS/ADVISORIES... WINTER STORM WATCH (SEE LAXWSWLOX). SMALL CRAFT ADVISORY (SEE LAXMWWLOX). HIGH SURF ADVISORY (SEE LAXCFWLOX). MARINE WEATHER STATEMENT (SEE LAXMWSLOX). SPECIAL WEATHER STATEMENT (SEE LAXSPSLOX). && PUBLIC...MW/RORKE AVIATION/MARINE...DB/KAPLAN SYNOPSIS...THORNTON WWW.WEATHER.GOV/LOSANGELES
Hazardous weather outlook, Jan 4, 6:00 AM PST, 4 hours 20 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 600 AM PST MON JAN 4 2016 CAZ034>041-044>046-051>054-059-087-088-547-548-051400- 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 MON JAN 4 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA. .DAY ONE... TODAY AND TONIGHT SCATTERED SHOWERS WILL AFFECT THE AREA TODAY ALONG WITH MOUNTAIN SNOW ABOVE 6000 FEET. * MARINE WEATHER STATEMENT...SEE FZUS76 KLOX - MWSLOX FOR DETAILS * * SPECIAL WEATHER STATEMENT..SEE WWUS86 KLOX - SPSLOX FOR DETAILS * .DAYS TWO THROUGH SEVEN... TUESDAY THROUGH SUNDAY LARGE SWELLS WILL CONTINUE ACROSS THE COASTAL WATERS THROUGH MUCH OF THE WEEK. A SERIES OF STORMS WILL MOVE ACROSS THE REGION FOR MUCH OF THE WEEK. THERE IS THE POTENTIAL FOR 2 FEET OF SNOW ACROSS THE MOUNTAINS ABOVE 6000 FT THROUGH WEDNESDAY MAKING MOUNTAIN TRAVEL VERY HAZARDOUS. HEAVY RAIN WILL CREATE A POTENTIAL FOR DEBRIS FLOWS BELOW THE RECENT BURN AREAS...ESPECIALLY ON TUESDAY. * WINTER STORM WATCH.........SEE WWUS46 KLOX - WSWLOX FOR DETAILS * * HIGH SURF ADVISORY.........SEE WHUS46 KLOX - CFWLOX 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. ASR
In the hours before
Special weather statement, Jan 4, 5:24 AM PST, 4 hours 56 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 524 AM PST MON JAN 4 2016 CAZ034>041-044>046-051>054-059-087-088-547-548-050215- 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 AND SANTA BARBARA ISLANDS- SANTA CLARITA VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY- LOS ANGELES COUNTY SAN GABRIEL VALLEY- 524 AM PST MON JAN 4 2016 ...A STORMY WEEK IN STORE FOR SOUTHWESTERN CALIFORNIA... ...RESIDENTS NEAR RECENT BURN AREAS SHOULD PREPARE FOR POTENTIAL FLOODING AND DEBRIS FLOWS... A SERIES OF STORMS WILL MARCH ACROSS THE PACIFIC INTO SOUTHWESTERN CALIFORNIA THIS WEEK. THE FIRST STORM WAS BRINGING LIGHT RAIN TO THE REGION THIS MORNING. PLENTY OF DRY AIR AT LOW LEVELS DUE TO OFFSHORE FLOW IN PLACE ACROSS THE AREA HAS DRAMATICALLY CUT DOWN ON RAINFALL TOTALS WITH THIS SYSTEM. RAINFALL TOTALS THROUGH TODAY WILL BE ONE TENTH TO ONE THIRD OF AN INCH IN MOST AREAS...WITH LOCAL HIGHER TOTALS. IN THE MOUNTAINS ABOVE 6000 FEET...AN INCH OR TWO OF SNOW MAY FALL. ANY SHOWERS SHOULD BECOME SCATTERED IN NATURE THIS AFTERNOON AND EVENING. THE NEXT STORM SYSTEM...MUCH STRONGER AND WETTER...WILL CAUSE RAIN TO DEVELOP ACROSS SAN LUIS OBISPO AND SANTA BARBARA COUNTIES TONIGHT. RAIN WILL QUICKLY SPREAD INTO VENTURA AND LOS ANGELES COUNTIES TUESDAY MORNING. RAIN WILL TURN TO SHOWERS NORTH OF POINT CONCEPTION IN THE AFTERNOON...BUT WILL LIKELY CONTINUE MOST OF THE DAY ELSEWHERE. RAIN MAY BE HEAVY AT TIMES TUESDAY...AND THERE IS A SLIGHT CHANCE OF THUNDERSTORMS. SOUTHERLY FLOW WILL HELP ENHANCE RAINFALL TOTALS...ESPECIALLY ACROSS SOUTH FACING MOUNTAINS AND FOOTHILLS. RAINFALL TOTALS WITH THIS SECONDS STORM SHOULD AVERAGE ONE TO TWO INCHES IN COASTAL AND VALLEY AREAS...AND TWO TO FOUR INCHES IN THE FOOTHILLS AND MOUNTAINS. RAINFALL RATES COULD REACH OR EXCEED ONE HALF INCH PER HOUR PLACING RECENT BURN AREAS...INCLUDING THE NEW SOLIMAR BURN AREA...AT RISK FOR FLASH FLOODING WITH MUD AND DEBRIS FLOWS. SNOW LEVELS WITH THIS SECOND STORM ARE GENERALLY EXPECTED TO RANGE FROM 5500 TO 6500 FEET. THERE IS THE POTENTIAL FOR SIGNIFICANT SNOW WITH 1 TO 2 FOOT ACCUMULATIONS POSSIBLE ABOVE 7000 FEET...AND LESSER AMOUNTS DOWN TO 5500 FEET. A THIRD STORM WILL BRING ANOTHER ROUND OF RAIN...POSSIBLY HEAVY AT TIMES...WEDNESDAY INTO WEDNESDAY NIGHT...WITH A FOURTH STORM LIKELY THURSDAY INTO THURSDAY NIGHT. THESE SYSTEMS ARE EXPECTED TO BE COLDER...WITH SNOW LEVELS POSSIBLY AS LOW AS 4000 FEET. THE LOWER SNOW LEVELS COULD RESULT IN MORE WIDESPREAD SNOW IMPACTS ACROSS THE LOCAL MOUNTAINS...INCLUDING INTERSTATE 5 NEAR THE GRAPEVINE. YET ANOTHER STORM MAY AFFECT THE REGION LATE SATURDAY INTO SATURDAY NIGHT. THERE IS STILL SOME UNCERTAINTY IN THE EXACT TIMING AND TRACK OF THESE SYSTEMS LATER IN THE WEEK...BUT THE POTENTIAL FOR HEAVY DOWNPOURS AND ISOLATED THUNDERSTORMS WILL CONTINUE. IN ADDITION TO THE RAIN AND SNOW...HIGH SURF IS EXPECTED MUCH OF THE WEEK. BY WEDNESDAY AND THURSDAY...SURF COULD REACH DAMAGING LEVELS. THE COMBINATION OF HIGH SURF...GUSTY WINDS AND ASTRONOMICAL HIGH TIDES WILL BRING THE POTENTIAL FOR SOME COASTAL FLOODING BY MIDWEEK. FOR MORE DETAILS ON HIGH SURF AND COASTAL FLOODING...PLEASE REFER TO THE LATEST COASTAL HAZARD MESSAGE. RESIDENTS OF SOUTHWESTERN CALIFORNIA...ESPECIALLY THOSE LIVING IN OR BELOW RECENT BURN AREAS...SHOULD PREPARE NOW FOR THE IMPENDING HEAVIER RAINFALL THIS WEEK. NOW IS THE TIME TO TAKE ACTION. FINISH UP OUTDOOR PROJECTS AND CONSIDER PREPARING SAND BAGS FOR POSSIBLE FLOODING AND DEBRIS FLOWS. RESIDENTS WITH BEACHFRONT PROPERTY ARE ADVISED TO MONITOR THE LATEST FORECASTS...WATCHES...WARNINGS...AND ADVISORIES THIS WEEK. MOTORISTS...ESPECIALLY THOSE TRAVELING INTO THE MOUNTAINS...OR ON HIGHWAY 101 NEAR THE RECENT SOLIMAR BURN AREA SHOULD MONITOR THE LATEST FORECASTS AND CHECK THE LATEST ROAD REPORTS. LOCAL COMMUTES COULD BE AFFECTED DUE TO POSSIBLE ROADWAY FLOODING AND PONDING ON PAVEMENT SURFACES. DB/ASR
The office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 3, 5:26 PM PST | Wind Advisory | LOX | 8 hr | |
| Jan 4, 2:40 PM PST | Flash Flood Watch | LOX | Los Angeles | 69 hr |
Nearby
Winter Storm Warnings in California, 2016Every winter storm warning in 2016
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.