Alert archive / California / Winter Storm Warnings in 2012

Winter Storm Warning 1, NWS San Diego, CA

January 22, 2012San Bernardino County, California

NWS San Diego, CA issued this winter storm warning at Jan 22, 2012, 1:20 PM PST for San Bernardino County, California. It took effect at Jan 23, 2012, 6:00 AM PST. It was in force for 12 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 22, 2012, 1:20 PM PST (21:20 UTC)
In effect from
Jan 23, 2012, 6:00 AM PST
Expired
Jan 23, 2012, 6:00 PM PST
In force
12 hr
Issued by
NWS San Diego, CA

County San Bernardino County, CA

The nearest sounding before it

Las Vegas, NV (KVEF), launched 12:00Z, 9.3 hours before the alert went out and 180 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Las Vegas, NV at 12:00Z on 2012-01-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Las Vegas, NV at 12:00Z on 2012-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3109 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
-36 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

009 
WWUS46 KSGX 222120
WSWSGX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
120 PM PST SUN JAN 22 2012

...WINTER WEATHER RETURNS TO THE MOUNTAINS ON MONDAY...

.A PACIFIC LOW PRESSURE SYSTEM MOVING INLAND THROUGH CALIFORNIA
WILL BRING PERIODS OF MODERATE AND HEAVY SNOWFALL TO THE
MOUNTAINS OF SAN BERNARDINO AND RIVERSIDE COUNTIES ON MONDAY.

CAZ055-230600-
/O.UPG.KSGX.WS.A.0001.120123T1400Z-120124T0200Z/
/O.NEW.KSGX.WS.W.0001.120123T1400Z-120124T0200Z/
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE...
BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN...
FOREST FALLS...RUNNING SPRINGS...WRIGHTWOOD
120 PM PST SUN JAN 22 2012

...WINTER STORM WARNING IN EFFECT FROM 6 AM TO 6 PM PST MONDAY
ABOVE 6000 FEET...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER
STORM WARNING ABOVE 6000 FEET FOR HEAVY SNOW AND BLOWING SNOW...WHICH
IS IN EFFECT FROM 6 AM TO 6 PM PST MONDAY. THE WINTER STORM WATCH
IS NO LONGER IN EFFECT.

* ELEVATION: ABOVE 6000 FEET.

* SNOW LEVELS: LOWERING TO BETWEEN 5000 TO 5500 LATE MONDAY
  AFTERNOON.

* SNOW ACCUMULATIONS: SNOWFALL OF 4 TO 8 INCHES POSSIBLE ABOVE
  6000 FEET...WITH SNOWFALL OF 10 TO 15 INCHES POSSIBLE ON THE
  HIGHER PEAKS.

* LOCATIONS INCLUDE: ANGELUS OAKS...BALDWIN LAKE...BARTON
  FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN... FOREST
  FALLS...RUNNING SPRINGS...WRIGHTWOOD.

* WINDS: AREAS OF SOUTHWEST TO WEST WINDS 25 TO 35 MPH...WITH
  GUSTS TO 65 MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPE.

* VISIBILITY: LOCALLY REDUCED TO NEAR ZERO IN SNOW...BLOWING 
  SNOW...AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE
  MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER AND
  POSSIBLE ROAD CLOSURES. CARRY CHAINS...AND TAKE EXTRA
  FOOD...WATER...AND CLOTHING.

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.

&&

$$

CAZ056-230600-
/O.NEW.KSGX.WW.Y.0001.120123T1600Z-120124T0400Z/
RIVERSIDE COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...PINE COVE
120 PM PST SUN JAN 22 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM TO 8 PM PST MONDAY
ABOVE 6000 FEET...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER
WEATHER ADVISORY ABOVE 6000 FEET FOR SNOW AND BLOWING SNOW...WHICH
IS IN EFFECT FROM 8 AM TO 8 PM PST MONDAY.

* ELEVATION: ABOVE 6000 FEET.

* SNOW LEVELS: LOWERING TO AROUND 5500 BY MONDAY AFTERNOON.

* SNOW ACCUMULATIONS: SNOWFALL OF 2 TO 6 INCHES POSSIBLE ABOVE
  6000 FEET...WITH SNOWFALL OF 3 TO 9 INCHES POSSIBLE ON THE
  HIGHER PEAKS.

* LOCATIONS INCLUDE: SAN JANCITO PEAK.

* WINDS: AREAS OF SOUTHWEST TO WEST WINDS 25 TO 35 MPH...WITH
  GUSTS TO 65 MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPES.

* VISIBILITY: LOCALLY REDUCED TO NEAR ZERO IN SNOW...BLOWING 
  SNOW...AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE
  MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER AND
  POSSIBLE ROAD CLOSURES. CARRY CHAINS...AND TAKE EXTRA
  FOOD...WATER...AND CLOTHING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

PALMER
6 follow-up statements
018 
WWUS46 KSGX 222228 CCA
WSWSGX

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE SAN DIEGO CA
226 PM PST SUN JAN 22 2012

...WINTER WEATHER RETURNS TO THE MOUNTAINS ON MONDAY...

.A PACIFIC LOW PRESSURE SYSTEM MOVING INLAND THROUGH CALIFORNIA
WILL BRING PERIODS OF MODERATE AND HEAVY SNOWFALL TO THE
MOUNTAINS OF SAN BERNARDINO AND RIVERSIDE COUNTIES ON MONDAY.

CAZ055-230715-
/O.UPG.KSGX.WS.A.0001.120123T1400Z-120124T0200Z/
/O.NEW.KSGX.WS.W.0001.120123T1400Z-120124T0200Z/
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE...
BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN...
FOREST FALLS...RUNNING SPRINGS...WRIGHTWOOD
226 PM PST SUN JAN 22 2012

...WINTER STORM WARNING IN EFFECT FROM 6 AM TO 6 PM PST MONDAY
ABOVE 6000 FEET...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER
STORM WARNING ABOVE 6000 FEET FOR HEAVY SNOW AND BLOWING SNOW...WHICH
IS IN EFFECT FROM 6 AM TO 6 PM PST MONDAY. THE WINTER STORM WATCH
IS NO LONGER IN EFFECT.

* ELEVATION: ABOVE 6000 FEET.

* SNOW LEVELS: LOWERING TO BETWEEN 5000 TO 5500 LATE MONDAY
  AFTERNOON.

* SNOW ACCUMULATIONS: SNOWFALL OF 4 TO 8 INCHES POSSIBLE ABOVE
  6000 FEET...WITH SNOWFALL OF 10 TO 15 INCHES POSSIBLE ON THE
  HIGHER PEAKS.

* LOCATIONS INCLUDE: ANGELUS OAKS...BALDWIN LAKE...BARTON
  FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN... FOREST
  FALLS...RUNNING SPRINGS...WRIGHTWOOD.

* WINDS: AREAS OF SOUTHWEST TO WEST WINDS 25 TO 35 MPH...WITH
  GUSTS TO 65 MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPE.

* VISIBILITY: LOCALLY REDUCED TO NEAR ZERO IN SNOW...BLOWING 
  SNOW...AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE
  MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER AND
  POSSIBLE ROAD CLOSURES. CARRY CHAINS...AND TAKE EXTRA
  FOOD...WATER...AND CLOTHING.

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.

&&

$$

CAZ056-230715-
/O.COR.KSGX.WW.Y.0001.120123T1600Z-120124T0400Z/
RIVERSIDE COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...PINE COVE
226 PM PST SUN JAN 22 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM TO 8 PM PST MONDAY
ABOVE 6000 FEET...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER
WEATHER ADVISORY ABOVE 6000 FEET FOR SNOW AND BLOWING SNOW...WHICH
IS IN EFFECT FROM 8 AM TO 8 PM PST MONDAY.

* ELEVATION: ABOVE 6000 FEET.

* SNOW LEVELS: LOWERING TO AROUND 5500 BY MONDAY AFTERNOON.

* SNOW ACCUMULATIONS: SNOWFALL OF 2 TO 6 INCHES POSSIBLE ABOVE
  6000 FEET...WITH SNOWFALL OF 3 TO 9 INCHES POSSIBLE ON THE
  HIGHER PEAKS.

* LOCATIONS INCLUDE: SAN JACINTO PEAK AND PINE COVE.

* WINDS: AREAS OF SOUTHWEST TO WEST WINDS 25 TO 35 MPH...WITH
  GUSTS TO 65 MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPES.

* VISIBILITY: LOCALLY REDUCED TO NEAR ZERO IN SNOW...BLOWING 
  SNOW...AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE
  MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER AND
  POSSIBLE ROAD CLOSURES. CARRY CHAINS...AND TAKE EXTRA
  FOOD...WATER...AND CLOTHING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

PALMER
187 
WWUS46 KSGX 230510
WSWSGX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
910 PM PST SUN JAN 22 2012

...WINTER WEATHER RETURNS TO THE MOUNTAINS ON MONDAY...

.A PACIFIC LOW PRESSURE SYSTEM MOVING INLAND THROUGH CALIFORNIA
WILL BRING PERIODS OF MODERATE TO LOCALLY HEAVY SNOWFALL TO THE
MOUNTAINS OF SAN BERNARDINO AND RIVERSIDE COUNTIES ON MONDAY.

CAZ055-231400-
/O.CON.KSGX.WS.W.0001.120123T1400Z-120124T0200Z/
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE...
BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN...
FOREST FALLS...RUNNING SPRINGS...WRIGHTWOOD
910 PM PST SUN JAN 22 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 6 PM PST
MONDAY ABOVE 6000 FEET...

A WINTER STORM WARNING ABOVE 6000 FEET REMAINS IN EFFECT FROM
6 AM TO 6 PM PST MONDAY. 

* ELEVATION: ABOVE 6000 FEET.

* SNOW LEVELS: LOWERING TO BETWEEN 5000 TO 5500 LATE MONDAY 
  AFTERNOON.

* SNOW ACCUMULATIONS: SNOWFALL OF 4 TO 8 INCHES POSSIBLE ABOVE
  6000 FEET...WITH SNOWFALL OF 8 TO 12 INCHES POSSIBLE ON THE
  HIGHER PEAKS.

* LOCATIONS INCLUDE: ANGELUS OAKS...BALDWIN LAKE...BARTON 
  FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN... FOREST 
  FALLS...RUNNING SPRINGS...WRIGHTWOOD.

* WINDS: AREAS OF SOUTHWEST TO WEST WINDS 25 TO 35 MPH...WITH 
  GUSTS TO 65 MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPE.

* VISIBILITY: LOCALLY REDUCED TO NEAR ZERO IN SNOW...BLOWING 
  SNOW...AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE
  MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER AND
  POSSIBLE ROAD CLOSURES. CARRY CHAINS...AND TAKE EXTRA FOOD...
  WATER...AND CLOTHING.

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.

&&

$$

CAZ056-231400-
/O.CON.KSGX.WW.Y.0001.120123T1600Z-120124T0400Z/
RIVERSIDE COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...PINE COVE
910 PM PST SUN JAN 22 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM
PST MONDAY ABOVE 6000 FEET...

A WINTER WEATHER ADVISORY ABOVE 6000 FEET REMAINS IN EFFECT FROM
8 AM TO 8 PM PST MONDAY. 

* ELEVATION: ABOVE 6000 FEET.

* SNOW LEVELS: LOWERING TO AROUND 5500 BY MONDAY AFTERNOON.

* SNOW ACCUMULATIONS: SNOWFALL OF 2 TO 6 INCHES POSSIBLE ABOVE
  6000 FEET...WITH SNOWFALL OF 4 TO 8 INCHES POSSIBLE ON THE
  HIGHEST PEAKS.

* LOCATIONS INCLUDE: SAN JACINTO PEAK AND PINE COVE.

* WINDS: AREAS OF SOUTHWEST TO WEST WINDS 25 TO 35 MPH...WITH 
  GUSTS TO 65 MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPES.

* VISIBILITY: LOCALLY REDUCED TO NEAR ZERO IN SNOW...BLOWING 
  SNOW...AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE
  MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER AND
  POSSIBLE ROAD CLOSURES. CARRY CHAINS...AND TAKE EXTRA FOOD...
  WATER...AND CLOTHING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

MAXWELL
802 
WWUS46 KSGX 231037
WSWSGX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
237 AM PST MON JAN 23 2012

...WINTER WEATHER RETURNS TO THE MOUNTAINS THROUGH THIS EVENING...

.A PACIFIC LOW PRESSURE SYSTEM MOVING INLAND THROUGH CALIFORNIA
WILL BRING PERIODS OF LIGHT TO MODERATE SNOWFALL TO THE MOUNTAINS
THROUGH THIS EVENING.

CAZ055-232200-
/O.CON.KSGX.WS.W.0001.120123T1400Z-120124T0200Z/
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE...
BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN...
FOREST FALLS...RUNNING SPRINGS...WRIGHTWOOD
237 AM PST MON JAN 23 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING
TO 6 PM PST THIS EVENING ABOVE 6000 FEET...

A WINTER STORM WARNING ABOVE 6000 FEET REMAINS IN EFFECT FROM
6 AM THIS MORNING TO 6 PM PST THIS EVENING. 

* ELEVATION: ABOVE 6000 FEET.

* SNOW LEVELS: LOWERING TO 5000 TO 5500 FEET.

* SNOW ACCUMULATIONS: SNOWFALL OF 3 TO 6 INCHES POSSIBLE ABOVE
  6000 FEET...WITH SNOWFALL OF 6 TO 10 INCHES POSSIBLE ON THE
  HIGHER PEAKS.

* LOCATIONS INCLUDE: ANGELUS OAKS...BALDWIN LAKE...BARTON 
  FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN... FOREST 
  FALLS...RUNNING SPRINGS...WRIGHTWOOD 

* WINDS: AREAS OF SOUTHWEST TO WEST WINDS 25 TO 35 MPH...WITH 
  GUSTS TO 65 MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPES.

* VISIBILITY: LOCALLY REDUCED TO NEAR ZERO IN SNOW...BLOWING 
  SNOW...AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN 
  THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER 
  WEATHER AND POSSIBLE ROAD CLOSURES. CARRY CHAINS...AND TAKE 
  EXTRA FOOD... WATER...AND CLOTHING.

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.

&&

$$

CAZ058-232200-
/O.EXB.KSGX.WW.Y.0001.120123T2000Z-120124T0800Z/
SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...MOUNT LAGUNA
237 AM PST MON JAN 23 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO MIDNIGHT
PST TONIGHT ABOVE 5500 FEET...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER
WEATHER ADVISORY ABOVE 5500 FEET FOR SNOW...WHICH IS IN EFFECT
FROM NOON TODAY TO MIDNIGHT PST TONIGHT.

* ELEVATION: ABOVE 5500 FEET.

* SNOW LEVELS: LOWERING TO AROUND 5500 FEET.

* SNOW ACCUMULATIONS: SNOWFALL OF 2 TO 6 INCHES POSSIBLE ABOVE
  5500 FEET.

* LOCATIONS INCLUDE: CUYAMACA...MOUNT LAGUNA

* WINDS: AREAS OF SOUTHWEST TO WEST WINDS 25 TO 35 MPH...WITH 
  GUSTS TO 65 MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPES.

* VISIBILITY: LOCALLY REDUCED TO NEAR ZERO IN SNOW...BLOWING 
  SNOW...AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN 
  THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER 
  WEATHER AND POSSIBLE ROAD CLOSURES. CARRY CHAINS...AND TAKE 
  EXTRA FOOD... WATER...AND CLOTHING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

CAZ056-232200-
/O.CON.KSGX.WW.Y.0001.120123T1600Z-120124T0400Z/
RIVERSIDE COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...PINE COVE
237 AM PST MON JAN 23 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 AM THIS
MORNING TO 8 PM PST THIS EVENING ABOVE 6000 FEET...

A WINTER WEATHER ADVISORY ABOVE 6000 FEET REMAINS IN EFFECT FROM
8 AM THIS MORNING TO 8 PM PST THIS EVENING. 

* ELEVATION: ABOVE 6000 FEET.

* SNOW LEVELS: LOWERING TO 5000 TO 5500 FEET.

* SNOW ACCUMULATIONS: SNOWFALL OF 2 TO 6 INCHES POSSIBLE ABOVE 
  6000 FEET...WITH SNOWFALL OF 4 TO 8 INCHES POSSIBLE ON THE 
  HIGHEST PEAKS.

* LOCATIONS INCLUDE: PINE COVE

* WINDS: AREAS OF SOUTHWEST TO WEST WINDS 25 TO 35 MPH...WITH 
  GUSTS TO 65 MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPES.

* VISIBILITY: LOCALLY REDUCED TO NEAR ZERO IN SNOW...BLOWING 
  SNOW...AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN 
  THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER 
  WEATHER AND POSSIBLE ROAD CLOSURES. CARRY CHAINS...AND TAKE 
  EXTRA FOOD... WATER...AND CLOTHING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

MARTIN
673 
WWUS46 KSGX 232110
WSWSGX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
110 PM PST MON JAN 23 2012

...WINTER WEATHER RETURNS TO THE MOUNTAINS THROUGH THIS EVENING...

.A PACIFIC LOW PRESSURE SYSTEM MOVING INLAND THROUGH CALIFORNIA
WILL BRING PERIODS OF LIGHT TO MODERATE SNOWFALL TO THE MOUNTAINS
THROUGH THIS EVENING.

CAZ055-240200-
/O.CON.KSGX.WS.W.0001.000000T0000Z-120124T0200Z/
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE...
BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN...
FOREST FALLS...RUNNING SPRINGS...WRIGHTWOOD
110 PM PST MON JAN 23 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING...

A WINTER STORM WARNING FOR SNOW REMAINS IN EFFECT UNTIL 6 PM PST
THIS EVENING.

* ELEVATION: ABOVE 6000 FEET.

* SNOW LEVELS: LOWERING TO BETWEEN 5000 AND 5500 FEET.

* SNOW ACCUMULATIONS: SNOWFALL OF 3 TO 6 INCHES POSSIBLE ABOVE
  6000 FEET...WITH SNOWFALL OF 6 TO 10 INCHES POSSIBLE ON THE
  HIGHER PEAKS ABOVE RESORT LEVELS.

* LOCATIONS INCLUDE: ANGELUS OAKS...BALDWIN LAKE...BARTON
  FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN... FOREST
  FALLS...RUNNING SPRINGS...WRIGHTWOOD

* WINDS: AREAS OF SOUTHWEST TO WEST WINDS 25 TO 35 MPH...WITH
  GUSTS TO 65 MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPES.

* VISIBILITY: LOCALLY REDUCED TO NEAR ZERO IN SNOW...BLOWING
  SNOW...AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE
  MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER AND
  POSSIBLE ROAD CLOSURES. CARRY CHAINS...AND TAKE EXTRA FOOD...
  WATER...AND CLOTHING.

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.

&&

$$

CAZ058-240200-
/O.CON.KSGX.WW.Y.0001.000000T0000Z-120124T0800Z/
SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...MOUNT LAGUNA
110 PM PST MON JAN 23 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PST
TONIGHT...

A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL
MIDNIGHT PST TONIGHT.

* ELEVATION: ABOVE 5500 FEET.

* SNOW LEVELS: LOWERING TO AROUND 5500 FEET.

* SNOW ACCUMULATIONS: SNOWFALL OF 2 TO 6 INCHES POSSIBLE ABOVE
  5500 FEET.

* LOCATIONS INCLUDE: CUYAMACA AND MOUNT LAGUNA.

* WINDS: AREAS OF SOUTHWEST TO WEST WINDS 25 TO 35 MPH...WITH
  GUSTS TO 65 MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPES.

* VISIBILITY: LOCALLY REDUCED TO NEAR ZERO IN SNOW...BLOWING
  SNOW...AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE
  MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER AND
  POSSIBLE ROAD CLOSURES. CARRY CHAINS...AND TAKE EXTRA FOOD...
  WATER...AND CLOTHING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

CAZ056-240200-
/O.CON.KSGX.WW.Y.0001.000000T0000Z-120124T0400Z/
RIVERSIDE COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...PINE COVE
110 PM PST MON JAN 23 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM PST THIS
EVENING...

A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL 8 PM
PST THIS EVENING.

* ELEVATION: ABOVE 6000 FEET.

* SNOW LEVELS: LOWERING TO BETWEEN 5000 AND 5500 FEET.

* SNOW ACCUMULATIONS: SNOWFALL OF 2 TO 6 INCHES POSSIBLE ABOVE
  6000 FEET...WITH SNOWFALL OF 4 TO 8 INCHES POSSIBLE ON THE
  HIGHEST PEAKS.

* LOCATIONS INCLUDE: PINE COVE.

* WINDS: AREAS OF SOUTHWEST TO WEST WINDS 25 TO 35 MPH...WITH
  GUSTS TO 65 MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPES.

* VISIBILITY: LOCALLY REDUCED TO NEAR ZERO IN SNOW...BLOWING
  SNOW...AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE
  MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER AND
  POSSIBLE ROAD CLOSURES. CARRY CHAINS...AND TAKE EXTRA FOOD...
  WATER...AND CLOTHING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$
160 
WWUS46 KSGX 240024
WSWSGX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
424 PM PST MON JAN 23 2012

...SOME SNOW IN THE MOUNTAINS THROUGH THIS EVENING...

.A PACIFIC LOW PRESSURE SYSTEM MOVING INLAND THROUGH CALIFORNIA
WILL BRING PERIODS OF LIGHT TO MODERATE SNOWFALL TO THE MOUNTAINS
LATE THIS AFTERNOON. SOME SNOW WILL LINGER MAINLY IN SAN DIEGO
COUNTY THIS EVENING. TOTAL ACCUMULATIONS WILL MOSTLY BE 1 TO 3
INCHES IN ABOVE 6000 FEET. BLOWING SNOW WILL OCCUR NEAR THE PASSES
AND RIDGES.

CAZ055-240200-
/O.CON.KSGX.WS.W.0001.000000T0000Z-120124T0200Z/
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE...
BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN...
FOREST FALLS...RUNNING SPRINGS...WRIGHTWOOD
424 PM PST MON JAN 23 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING ABOVE 6000 FEET...

A WINTER STORM WARNING ABOVE 6000 FEET REMAINS IN EFFECT UNTIL
6 PM PST THIS EVENING. 

* ELEVATION: ABOVE 6000 FEET.

* SNOW LEVELS: LOWERING TO BETWEEN 5000 AND 5500 FEET.

* SNOW ACCUMULATIONS: SNOWFALL WILL MOSTLY BE 1 TO 3 INCHES.

* LOCATIONS INCLUDE: ANGELUS OAKS...BALDWIN LAKE...BARTON 
  FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN... FOREST 
  FALLS...RUNNING SPRINGS...WRIGHTWOOD

* WINDS: AREAS OF SOUTHWEST TO WEST WINDS 15 TO 25 MPH...WITH VERY
  LOCAL GUSTS TO 60 MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPES.

* VISIBILITY: LOCALLY REDUCED TO NEAR ZERO IN SNOW...BLOWING 
  SNOW...AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE
  MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER AND
  POSSIBLE ROAD CLOSURES. CARRY CHAINS...AND TAKE EXTRA FOOD...
  WATER...AND CLOTHING.

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.

&&

$$

CAZ058-240800-
/O.CON.KSGX.WW.Y.0001.000000T0000Z-120124T0800Z/
SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...MOUNT LAGUNA
424 PM PST MON JAN 23 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PST
TONIGHT ABOVE 5500 FEET...

A WINTER WEATHER ADVISORY ABOVE 5500 FEET REMAINS IN EFFECT UNTIL
MIDNIGHT PST TONIGHT. 

* ELEVATION: ABOVE 5500 FEET.

* SNOW LEVELS: LOWERING TO AROUND 5500 FEET.

* SNOW ACCUMULATIONS: SNOWFALL OF 1 TO 3 INCHES POSSIBLE ABOVE
  5500 FEET.

* LOCATIONS INCLUDE: CUYAMACA AND MOUNT LAGUNA.

* WINDS: AREAS OF SOUTHWEST TO WEST WINDS 20 TO 30 MPH...WITH VERY
  LOCAL GUSTS TO 60 MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPES.

* VISIBILITY: LOCALLY REDUCED TO NEAR ZERO IN SNOW...BLOWING 
  SNOW...AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN 
  THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER 
  WEATHER AND POSSIBLE ROAD CLOSURES. CARRY CHAINS...AND TAKE 
  EXTRA FOOD... WATER...AND CLOTHING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

CAZ056-240400-
/O.CON.KSGX.WW.Y.0001.000000T0000Z-120124T0400Z/
RIVERSIDE COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...PINE COVE
424 PM PST MON JAN 23 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM PST THIS
EVENING ABOVE 6000 FEET...

A WINTER WEATHER ADVISORY ABOVE 6000 FEET REMAINS IN EFFECT UNTIL
8 PM PST THIS EVENING. 

* ELEVATION: ABOVE 6000 FEET.

* SNOW LEVELS: LOWERING TO BETWEEN 5000 AND 5500 FEET.

* SNOW ACCUMULATIONS: SNOWFALL OF 1 TO 3 INCHES POSSIBLE ABOVE
  6000 FEET.

* LOCATIONS INCLUDE: PINE COVE.

* WINDS: AREAS OF SOUTHWEST TO WEST WINDS 20 TO 30 MPH...WITH
  GUSTS TO 60 MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPES.

* VISIBILITY: LOCALLY REDUCED TO NEAR ZERO IN SNOW...BLOWING 
  SNOW...AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN 
  THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER 
  WEATHER AND POSSIBLE ROAD CLOSURES. CARRY CHAINS...AND TAKE 
  EXTRA FOOD... WATER...AND CLOTHING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

MAXWELL
112 
WWUS46 KSGX 240155
WSWSGX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
555 PM PST MON JAN 23 2012

...SOME SNOW IN THE SAN DIEGO COUNTY MOUNTAINS THROUGH THIS
EVENING...

...SNOW HAS MOSTLY ENDED IN SAN BERNARDINO AND RIVERSIDE
COUNTY MOUNTAINS...

.SHOWERS WILL PRODUCE BRIEF HEAVY SNOW EARLY THIS EVENING IN THE
SAN DIEGO COUNTY MOUNTAINS. LOCAL SNOWFALL OF 1 TO 3 INCHES WILL
BE POSSIBLE ABOVE 5500 FEET. FURTHER NORTH...THE SAN BERNARDINO
COUNTY AND RIVERSIDE COUNTY MOUNTAINS WILL HAVE ONLY A FEW
LINGERING SNOW FLURRIES THIS EVENING.

CAZ055-240300-
/O.EXP.KSGX.WS.W.0001.000000T0000Z-120124T0200Z/
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE...
BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN...
FOREST FALLS...RUNNING SPRINGS...WRIGHTWOOD
555 PM PST MON JAN 23 2012

...WINTER STORM WARNING WILL EXPIRE AT 6 PM PST THIS EVENING
ABOVE 6000 FEET...

THE WINTER STORM WARNING ABOVE 6000 FEET WILL EXPIRE AT 6 PM PST
THIS EVENING. 

$$

CAZ056-240300-
/O.CAN.KSGX.WW.Y.0001.000000T0000Z-120124T0400Z/
RIVERSIDE COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...PINE COVE
555 PM PST MON JAN 23 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE
WINTER WEATHER ADVISORY. 

ONLY LINGERING SNOW FLURRIES ARE EXPECTED THIS EVENING. LITTLE OR
NO ACCUMULATION IS EXPECTED.

$$

CAZ058-240800-
/O.CON.KSGX.WW.Y.0001.000000T0000Z-120124T0800Z/
SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...MOUNT LAGUNA
555 PM PST MON JAN 23 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PST
TONIGHT ABOVE 5500 FEET...

A WINTER WEATHER ADVISORY ABOVE 5500 FEET REMAINS IN EFFECT UNTIL
MIDNIGHT PST TONIGHT. 

* ELEVATION: ABOVE 5500 FEET.

* SNOW LEVELS: LOWERING TO AROUND 5500 FEET.

* SNOW ACCUMULATIONS: SNOWFALL OF 1 TO 3 INCHES POSSIBLE ABOVE 
  5500 FEET. HEAVIEST SNOW WILL OCCUR BEFORE 900 PM.

* LOCATIONS INCLUDE: CUYAMACA...MOUNT LAGUNA

* WINDS: AREAS OF SOUTHWEST TO WEST WINDS 20 TO 30 MPH...WITH
  LOCAL GUSTS OVER 50 MPH NEAR RIDGE TOPS AND ALONG DESERT
  SLOPES.

* VISIBILITY: LOCALLY REDUCED TO NEAR ZERO IN SNOW...BLOWING 
  SNOW...AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN 
  THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER 
  WEATHER AND POSSIBLE ROAD CLOSURES. CARRY CHAINS...AND TAKE 
  EXTRA FOOD... WATER...AND CLOTHING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW OR BLOWING
SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY
ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

&&

$$

MAXWELL

The office that day

Everything else NWS San Diego, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 22, 1:39 AM PSTHigh Wind WatchSGXRiverside, San Bernardino, San Diego12 hr
Jan 22, 1:45 AM PSTWinter Storm WatchSGXSan Bernardino13 hr
Jan 22, 11:17 AM PSTSmall Craft Advisory for WindsSGX33 hr
Jan 22, 1:10 PM PSTHigh Wind WarningSGXRiverside, San Bernardino, San Diego33 hr
Jan 22, 1:20 PM PSTWinter Weather AdvisorySGXRiverside, San Diego34 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; the sounding from the Mesonet's radiosonde archive.