Alert archive / California / Winter Storm Warnings in 2016

Winter Storm Warning 1, NWS Los Angeles, CA

January 4, 2016

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WATCH IS NO LONGER IN EFFECT.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.

IssuedProductOfficeCountiesLasted
Jan 3, 5:26 PM PSTWind AdvisoryLOX8 hr
Jan 4, 2:40 PM PSTFlash Flood WatchLOXLos Angeles69 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.