Alert archive / California / Winter Storm Watches in 2012

Winter Storm Watch 4, NWS San Diego, CA

March 14, 2012Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this winter storm watch at Mar 14, 2012, 2:57 AM PDT for Riverside County, San Bernardino County, San Diego County, California. It took effect at Mar 17, 2012, 10:00 AM PDT. It was in force for .

The area

The counties it named.

The facts

Issued
Mar 14, 2012, 2:57 AM PDT (09:57 UTC)
In effect from
Mar 17, 2012, 10:00 AM PDT
Expired
Mar 16, 2012, 3:15 AM PDT
In force
Issued by
NWS San Diego, CA

Counties Riverside County, CA, San Bernardino County, CA, San Diego County, CA

The radar

The Santa Ana Mts radar (KSOX), 122 km from the middle of the area, began a volume at 09:59 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

San Diego, CA (KNKX), launched 00:00Z, 10.0 hours before the alert went out and 145 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, San Diego, CA at 00:00Z on 2012-03-14Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, San Diego, CA at 00:00Z on 2012-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.193958Sfc1 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
1249 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
55 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.

635 
WWUS46 KSGX 140957
WSWSGX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
257 AM PDT WED MAR 14 2012

...WINTER STORM WATCH FOR THE MOUNTAINS ABOVE 4000 FEET FOR
SATURDAY AND SATURDAY NIGHT...

.A STRONG COLD LOW PRESSURE SYSTEM IS EXPECTED TO MOVE SLOWLY
INLAND ACROSS SOUTHERN CALIFORNIA SATURDAY THROUGH MONDAY WITH
PERIODS OF MODERATE TO LOCALLY HEAVY SNOWFALL AND LOW SNOW LEVELS.

CAZ055-142200-
/O.NEW.KSGX.WS.A.0004.120317T1700Z-120318T1000Z/
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE...
BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE...
FAWNSKIN...FOREST FALLS...I-15 AT CAJON SUMMIT...LAKE ARROWHEAD...
MOUNT BALDY...MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...
RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD
257 AM PDT WED MAR 14 2012

...WINTER STORM WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
LATE SATURDAY NIGHT ABOVE 4000 FEET...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER
STORM WATCH ABOVE 4000 FEET...WHICH IS IN EFFECT FROM SATURDAY
MORNING THROUGH LATE SATURDAY NIGHT. 

* ELEVATION: ABOVE 4000 FEET.

* SNOW LEVELS: LOWERING TO AROUND 3500 FEET BY LATE SATURDAY
  AFTERNOON...AND 2500 TO 300O FEET FOR SATURDAY NIGHT.

* SNOW ACCUMULATIONS: SNOWFALL OF 6 TO 10 INCHES ABOVE 4000 FEET
  AND 1 TO 2 FEET ABOVE 6500 FEET.

* TIMING: PRECIPITATION DEVELOPING FRIDAY NIGHT...BECOMING HEAVY
  AT TIMES SATURDAY AFTERNOON. SNOW LEVELS LOWERING SATURDAY.

* LOCATIONS INCLUDE: ANGELUS OAKS...BALDWIN LAKE...BARTON 
  FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE...
  FAWNSKIN...FOREST FALLS...I-15 AT CAJON SUMMIT...LAKE 
  ARROWHEAD...MOUNT BALDY...MOUNTAIN HOME VILLAGE...OAK GLEN...
  PHELAN...RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD

* WINDS: AREAS OF SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS TO 60
  MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPES.

* VISIBILITY: NEAR ZERO AT TIMES IN HEAVY SNOW...BLOWING
  SNOW...AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE
  MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER
  CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY
  CHAINS AND TAKE EXTRA FOOD AND CLOTHING. TRAVEL WILL LIKELY BE
  IMPACTED ON INTERSTATE 15 THROUGH THE CAJON PASS LATE SATURDAY
  AFTERNOON THROUGH SATURDAY NIGHT AND AT TIMES FOR SUNDAY INTO MONDAY.

* OUTLOOK: SNOW SHOWERS WILL CONTINUE AT TIMES FOR LATE SATURDAY
  NIGHT INTO MONDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

CAZ056-058-142200-
/O.NEW.KSGX.WS.A.0004.120317T2300Z-120318T1500Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...AGUANGA...ANZA...
GARNER VALLEY...IDYLLWILD...MOUNTAIN CENTER...PINE COVE...
PINYON PINES...VISTA GRANDE...CUYAMACA...JULIAN...MOUNT LAGUNA...
RANCHITA
257 AM PDT WED MAR 14 2012

...WINTER STORM WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY MORNING ABOVE 4000 FEET...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER
STORM WATCH ABOVE 4000 FEET...WHICH IS IN EFFECT FROM SATURDAY
AFTERNOON THROUGH SUNDAY MORNING. 

* ELEVATION: ABOVE 4000 FEET.

* SNOW LEVELS: LOWERING TO AROUND 4000 FEET BY LATE SATURDAY
  AFTERNOON...AND 3000 TO 3500 FEET SATURDAY NIGHT.

* SNOW ACCUMULATIONS: SNOWFALL OF 4 TO 8 INCHES ABOVE 4000 FEET
  AND 8 TO 12 INCHES ABOVE 5000 FEET WITH LOCALLY GREATER AMOUNTS
  ON THE HIGHEST PEAKS.

* TIMING: LIGHT PRECIPITATION IS POSSIBLE LATE FRIDAY NIGHT.
  PRECIPIATION IS EXPECTED TO INCREASE SATURDAY AND BECOME HEAVY
  AT TIMES LATE SATURDAY AFTERNOON AND SATURDAY NIGHT.

* LOCATIONS INCLUDE: CUYAMACA...JULIAN...MOUNT LAGUNA...
  RANCHITA...AGUANGA...ANZA...GARNER VALLEY...IDYLLWILD...
  MOUNTAIN CENTER...PINE COVE...PINYON PINES...VISTA GRANDE

* WINDS: AREAS OF SOUTHWEST TO WEST WINDS 25 TO 35 MPH WITH GUSTS
  TO 60 MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPES.

* VISIBILITY: NEAR ZERO AT TIMES IN HEAVY SNOW...BLOWING
  SNOW...AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE
  MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER
  CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY
  CHAINS AND TAKE EXTRA FOOD AND CLOTHING. THIS WEATHER COULD BE
  DEADLY FOR UNPREPARED CAMPERS OR HIKERS.

* OUTLOOK: SNOW SHOWERS WILL CONTINUE AT TIMES FOR SUNDAY INTO
  MONDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

MARTIN
6 follow-up statements
170 
WWUS46 KSGX 142008
WSWSGX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
108 PM PDT WED MAR 14 2012

...WINTER STORM WATCH FOR THE MOUNTAINS ABOVE 4000 FEET FOR
SATURDAY THROUGH SATURDAY NIGHT...

.A STRONG COLD LOW PRESSURE SYSTEM IS EXPECTED TO MOVE SLOWLY
INLAND ACROSS SOUTHERN CALIFORNIA SATURDAY THROUGH MONDAY WITH
PERIODS OF MODERATE TO LOCALLY HEAVY SNOWFALL AND LOW SNOW
LEVELS.

CAZ055-150500-
/O.CON.KSGX.WS.A.0004.120317T1700Z-120318T1000Z/
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE...
BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE...
FAWNSKIN...FOREST FALLS...I-15 AT CAJON SUMMIT...LAKE ARROWHEAD...
MOUNT BALDY...MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...
RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD
108 PM PDT WED MAR 14 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH LATE SATURDAY NIGHT ABOVE 4000 FEET...

A WINTER STORM WATCH ABOVE 4000 FEET REMAINS IN EFFECT FROM
SATURDAY MORNING THROUGH LATE SATURDAY NIGHT. 

* ELEVATION: ABOVE 4000 FEET.

* SNOW LEVELS: LOWERING TO AROUND 3500 FEET BY LATE SATURDAY
  AFTERNOON...AND 2500 TO 300O FEET FOR SATURDAY NIGHT.

* SNOW ACCUMULATIONS: SNOWFALL OF 6 TO 10 INCHES ABOVE 4000 FEET
  AND 1 TO 2 FEET ABOVE 6500 FEET. MINOR ACCUMULATIONS ARE ALSO
  POSSIBLE BELOW 3000 FEET.

* TIMING: PRECIPITATION DEVELOPING LATE FRIDAY NIGHT...BECOMING
  HEAVY AT TIMES SATURDAY AFTERNOON. SNOW LEVELS LOWERING
  SATURDAY.

* LOCATIONS INCLUDE: ANGELUS OAKS...BALDWIN LAKE...BARTON
  FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE... FAWNSKIN...
  FOREST FALLS...I-15 AT CAJON SUMMIT...LAKE ARROWHEAD...MOUNT
  BALDY...MOUNTAIN HOME VILLAGE...OAK GLEN... PHELAN...RUNNING
  SPRINGS...TWIN PEAKS...WRIGHTWOOD

* WINDS: AREAS OF SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS TO 60
  MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPES.

* VISIBILITY: NEAR ZERO AT TIMES IN HEAVY SNOW...BLOWING SNOW...
  AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE
  MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER
  CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY
  CHAINS AND TAKE EXTRA FOOD AND CLOTHING. TRAVEL WILL LIKELY BE
  IMPACTED ON INTERSTATE 15 THROUGH THE CAJON PASS LATE SATURDAY
  AFTERNOON THROUGH SATURDAY NIGHT AND AT TIMES ON SUNDAY
  INTO MONDAY.

* OUTLOOK: SNOW SHOWERS WILL CONTINUE AT TIMES LATE SATURDAY
  NIGHT INTO MONDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

CAZ056-058-150500-
/O.CON.KSGX.WS.A.0004.120317T2300Z-120318T1500Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...AGUANGA...ANZA...
GARNER VALLEY...IDYLLWILD...MOUNTAIN CENTER...PINE COVE...
PINYON PINES...VISTA GRANDE...CUYAMACA...JULIAN...MOUNT LAGUNA...
RANCHITA
108 PM PDT WED MAR 14 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY MORNING ABOVE 4000 FEET...

A WINTER STORM WATCH ABOVE 4000 FEET REMAINS IN EFFECT FROM
SATURDAY AFTERNOON THROUGH SUNDAY MORNING. 

* ELEVATION: ABOVE 4000 FEET.

* SNOW LEVELS: LOWERING TO AROUND 4000 FEET BY LATE SATURDAY 
  AFTERNOON...AND 3000 TO 3500 FEET SATURDAY NIGHT.

* SNOW ACCUMULATIONS: SNOWFALL OF 4 TO 8 INCHES ABOVE 4000 FEET
  AND 8 TO 12 INCHES ABOVE 5000 FEET WITH LOCALLY GREATER AMOUNTS
  ON THE HIGHEST PEAKS. MINOR ACCUMULATIONS ARE ALSO POSSIBLE
  BELOW 3000 FEET.

* TIMING: LIGHT PRECIPITATION IS POSSIBLE LATE FRIDAY NIGHT.
  PRECIPIATION IS EXPECTED TO INCREASE SATURDAY AND BECOME HEAVY
  AT TIMES LATE SATURDAY AFTERNOON AND SATURDAY NIGHT.

* LOCATIONS INCLUDE: CUYAMACA...JULIAN...MOUNT LAGUNA...
  RANCHITA...AGUANGA...ANZA...GARNER VALLEY...IDYLLWILD...
  MOUNTAIN CENTER...PINE COVE...PINYON PINES...VISTA GRANDE

* WINDS: AREAS OF SOUTHWEST TO WEST WINDS 25 TO 35 MPH WITH
  GUSTS TO 60 MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPES.

* VISIBILITY: NEAR ZERO AT TIMES IN HEAVY SNOW...BLOWING SNOW...
  AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE
  MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER
  CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY
  CHAINS AND TAKE EXTRA FOOD AND CLOTHING. THIS WEATHER COULD BE
  DEADLY FOR UNPREPARED CAMPERS OR HIKERS.

* OUTLOOK: SNOW SHOWERS WILL CONTINUE AT TIMES SUNDAY INTO
  MONDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$
414 
WWUS46 KSGX 150349
WSWSGX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
849 PM PDT WED MAR 14 2012

...WINTER STORM WATCH FOR THE MOUNTAINS ABOVE 4000 FEET FOR
SATURDAY THROUGH SATURDAY NIGHT...

.A LATE WINTER STORM IS EXPECTED TO MOVE SLOWLY INLAND ACROSS
SOUTHERN CALIFORNIA SATURDAY THROUGH EARLY MONDAY WITH PERIODS OF
MODERATE TO LOCALLY HEAVY SNOWFALL...STRONG WINDS...AND LOW SNOW
LEVELS.

CAZ055-151200-
/O.CON.KSGX.WS.A.0004.120317T1700Z-120318T1000Z/
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE...
BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE...
FAWNSKIN...FOREST FALLS...I-15 AT CAJON SUMMIT...LAKE ARROWHEAD...
MOUNT BALDY...MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...
RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD
849 PM PDT WED MAR 14 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH LATE SATURDAY NIGHT...

A WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH LATE SATURDAY NIGHT. 

* ELEVATION: ABOVE 4000 FEET.

* SNOW LEVELS: LOWERING TO AROUND 3500 FEET BY LATE SATURDAY
  AFTERNOON...AND 2500 TO 300O FEET FOR SATURDAY NIGHT.

* SNOW ACCUMULATIONS: 6 TO 12 INCHES ABOVE 4000 FEET AND 1 TO 2
  FEET ABOVE 6500 FEET. MINOR ACCUMULATIONS ARE ALSO POSSIBLE
  BELOW 3000 FEET.

* TIMING: POSSIBLY DEVELOPING LATE FRIDAY NIGHT...OTHERWISE...
  BECOMING HEAVY SATURDAY AFTERNOON AND EVENING. SNOW LEVELS
  LOWERING SATURDAY.

* LOCATIONS INCLUDE: ANGELUS OAKS...BALDWIN LAKE...BARTON FLATS...
  BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE... FAWNSKIN... FOREST
  FALLS...I-15 AT CAJON SUMMIT...LAKE ARROWHEAD...MOUNT BALDY...
  MOUNTAIN HOME VILLAGE...OAK GLEN... PHELAN...RUNNING SPRINGS...
  TWIN PEAKS...WRIGHTWOOD

* WINDS: AREAS OF SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS TO 60 MPH
  NEAR RIDGE TOPS AND ALONG DESERT SLOPES.

* VISIBILITY: NEAR ZERO AT TIMES IN HEAVY SNOW...BLOWING SNOW...
  AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE
  MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER
  CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY
  CHAINS AND TAKE EXTRA FOOD AND CLOTHING. TRAVEL WILL LIKELY BE
  IMPACTED ON INTERSTATE 15 THROUGH THE CAJON PASS LATE SATURDAY
  AFTERNOON THROUGH SATURDAY NIGHT...AND AT TIMES ON SUNDAY INTO
  MONDAY. 

* OUTLOOK: MODERATE TO HEAVY SNOW SHOWERS WILL CONTINUE AT TIMES INTO
  EARLY MONDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

CAZ056-058-151200-
/O.CON.KSGX.WS.A.0004.120317T2300Z-120318T1500Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...AGUANGA...ANZA...
GARNER VALLEY...IDYLLWILD...MOUNTAIN CENTER...PINE COVE...
PINYON PINES...VISTA GRANDE...CUYAMACA...JULIAN...MOUNT LAGUNA...
RANCHITA
849 PM PDT WED MAR 14 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY MORNING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY MORNING. 

* ELEVATION: ABOVE 4000 FEET.

* SNOW LEVELS: LOWERING TO AROUND 3000 TO 3500 FEET SATURDAY
  NIGHT.

* SNOW ACCUMULATIONS: SNOWFALL OF 4 TO 8 INCHES ABOVE 4000 FEET AND
  8 TO 12 INCHES ABOVE 5000 FEET WITH LOCALLY GREATER AMOUNTS ON
  THE HIGHEST PEAKS. MINOR ACCUMULATIONS ARE ALSO POSSIBLE BELOW
  3000 FEET.

* TIMING: LATE SATURDAY AFTERNOON AND EVENING...BECOMING HEAVY
  OVERNIGHT.

* LOCATIONS INCLUDE: CUYAMACA...JULIAN...MOUNT LAGUNA...
  RANCHITA... AGUANGA...ANZA...GARNER VALLEY...IDYLLWILD...
  MOUNTAIN CENTER...PINE COVE...PINYON PINES...VISTA GRANDE

* WINDS: AREAS OF SOUTHWEST TO WEST WINDS 25 TO 35 MPH WITH GUSTS
  TO 60 MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPES. 

* VISIBILITY: NEAR ZERO AT TIMES IN FALLING AND BLOWING SNOW AND
  FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE
  MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER
  CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY
  CHAINS AND TAKE EXTRA FOOD AND CLOTHING. THIS WEATHER COULD BE
  DEADLY FOR UNPREPARED CAMPERS OR HIKERS.

* OUTLOOK: SNOW SHOWERS WILL CONTINUE AT TIMES INTO EARLY MONDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

JAD
852 
WWUS46 KSGX 151132
WSWSGX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
432 AM PDT THU MAR 15 2012

...WINTER STORM WATCH FOR THE MOUNTAINS ABOVE 4000 FEET FOR
SATURDAY THROUGH SATURDAY NIGHT...

.A LATE SEASON WINTER STORM IS EXPECTED TO MOVE SLOWLY INLAND
ACROSS SOUTHERN CALIFORNIA SATURDAY THROUGH EARLY MONDAY WITH
PERIODS OF MODERATE TO LOCALLY HEAVY SNOWFALL...STRONG WINDS...AND
LOW SNOW LEVELS.

CAZ055-152100-
/O.CON.KSGX.WS.A.0004.120317T1700Z-120318T1000Z/
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE...
BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE...
FAWNSKIN...FOREST FALLS...I-15 AT CAJON SUMMIT...LAKE ARROWHEAD...
MOUNT BALDY...MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...
RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD
432 AM PDT THU MAR 15 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH LATE SATURDAY NIGHT ABOVE 4000 FEET...

A WINTER STORM WATCH ABOVE 4000 FEET REMAINS IN EFFECT FROM
SATURDAY MORNING THROUGH LATE SATURDAY NIGHT. 

* ELEVATION: ABOVE 4000 FEET.

* SNOW LEVELS: LOWERING TO AROUND 3500 FEET BY LATE SATURDAY 
  AFTERNOON...AND 2500 TO 300O FEET FOR SATURDAY NIGHT.

* SNOW ACCUMULATIONS: 6 TO 12 INCHES ABOVE 4000 FEET AND 1 TO 2 
  FEET ABOVE 6500 FEET. MINOR ACCUMULATIONS ARE ALSO POSSIBLE 
  BELOW 3000 FEET.

* TIMING: POSSIBLY DEVELOPING LATE FRIDAY NIGHT...OTHERWISE... 
  BECOMING HEAVY SATURDAY AFTERNOON AND EVENING. SNOW LEVELS 
  LOWERING SATURDAY.

* LOCATIONS INCLUDE: ANGELUS OAKS...BALDWIN LAKE...BARTON 
  FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE... 
  FAWNSKIN... FOREST FALLS...I-15 AT CAJON SUMMIT...LAKE 
  ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...OAK 
  GLEN... PHELAN...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD 

* WINDS: AREAS OF SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS TO 60 
  MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPES. 

* VISIBILITY: NEAR ZERO AT TIMES IN HEAVY SNOW...BLOWING SNOW...AND
  FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN 
  THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER 
  WEATHER CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...
  CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING. TRAVEL WILL 
  LIKELY BE IMPACTED ON INTERSTATE 15 THROUGH THE CAJON PASS 
  LATE SATURDAY AFTERNOON THROUGH SATURDAY NIGHT...AND AT 
  TIMES ON SUNDAY INTO MONDAY.

* OUTLOOK: MODERATE TO HEAVY SNOW SHOWERS WILL CONTINUE AT TIMES
  INTO EARLY MONDAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

CAZ056-058-152100-
/O.CON.KSGX.WS.A.0004.120317T2300Z-120318T1500Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...AGUANGA...ANZA...
GARNER VALLEY...IDYLLWILD...MOUNTAIN CENTER...PINE COVE...
PINYON PINES...VISTA GRANDE...CUYAMACA...JULIAN...MOUNT LAGUNA...
RANCHITA
432 AM PDT THU MAR 15 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY MORNING ABOVE 4000 FEET...

A WINTER STORM WATCH ABOVE 4000 FEET REMAINS IN EFFECT FROM
SATURDAY AFTERNOON THROUGH SUNDAY MORNING. 

* ELEVATION: ABOVE 4000 FEET.

* SNOW LEVELS: LOWERING TO AROUND 3000 TO 3500 FEET SATURDAY 
  NIGHT.

* SNOW ACCUMULATIONS: SNOWFALL OF 6 TO 12 INCHES ABOVE 4000 FEET
  WITH LOCALLY GREATER AMOUNTS ON THE HIGHEST PEAKS. MINOR ACCUMULATIONS
  ARE ALSO POSSIBLE BELOW 3000 FEET.

* TIMING: LATE SATURDAY AFTERNOON AND EVENING...BECOMING HEAVY 
  OVERNIGHT.

* LOCATIONS INCLUDE: CUYAMACA...JULIAN...MOUNT LAGUNA... 
  RANCHITA... AGUANGA...ANZA...GARNER VALLEY...IDYLLWILD... 
  MOUNTAIN CENTER...PINE COVE...PINYON PINES...VISTA GRANDE

* WINDS: AREAS OF SOUTHWEST TO WEST WINDS 25 TO 35 MPH WITH 
  GUSTS TO 60 MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPES. 

* VISIBILITY: NEAR ZERO AT TIMES IN SNOW...BLOWING SNOW...AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN 
  THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER 
  WEATHER CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...
  CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING. THIS WEATHER 
  COULD BE DEADLY FOR UNPREPARED CAMPERS OR HIKERS.

* OUTLOOK: SNOW SHOWERS WILL CONTINUE AT TIMES INTO EARLY 
  MONDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

SS
776 
WWUS46 KSGX 152035
WSWSGX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
135 PM PDT THU MAR 15 2012

...WINTER STORM WATCH FOR THE MOUNTAINS ABOVE 4000 FEET FOR
SATURDAY THROUGH SATURDAY NIGHT...

.A LATE SEASON WINTER STORM IS EXPECTED TO MOVE ACROSS SOUTHERN
CALIFORNIA SATURDAY THROUGH EARLY MONDAY WITH PERIODS OF MODERATE
TO LOCALLY HEAVY SNOWFALL...STRONG WINDS...AND LOW SNOW LEVELS.

CAZ055-160500-
/O.CON.KSGX.WS.A.0004.120317T1700Z-120318T1000Z/
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE...
BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE...
FAWNSKIN...FOREST FALLS...I-15 AT CAJON SUMMIT...LAKE ARROWHEAD...
MOUNT BALDY...MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...
RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD
135 PM PDT THU MAR 15 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH LATE SATURDAY NIGHT ABOVE 4000 FEET...

A WINTER STORM WATCH ABOVE 4000 FEET REMAINS IN EFFECT FROM
SATURDAY MORNING THROUGH LATE SATURDAY NIGHT. 

* ELEVATION: ABOVE 4000 FEET.

* SNOW LEVELS: LOWERING TO AROUND 3500 FEET BY LATE SATURDAY
  AFTERNOON...AND 2500 FEET BY SUNDAY MORNING.

* SNOW ACCUMULATIONS: 6 TO 12 INCHES ABOVE 4000 FEET AND 1 TO 2
  FEET ABOVE 6500 FEET. MINOR ACCUMULATIONS ARE ALSO POSSIBLE
  BELOW 3000 FEET.

* TIMING: POSSIBLY DEVELOPING LATE FRIDAY NIGHT...OTHERWISE...
  BECOMING HEAVY SATURDAY AFTERNOON AND EVENING. SNOW LEVELS
  LOWERING SATURDAY.

* LOCATIONS INCLUDE: ANGELUS OAKS...BALDWIN LAKE...BARTON
  FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE...FAWNSKIN...
  FOREST FALLS...I-15 AT CAJON SUMMIT...LAKE ARROWHEAD...MOUNT
  BALDY...MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...RUNNING
  SPRINGS...TWIN PEAKS...WRIGHTWOOD

* WINDS: AREAS OF SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS TO 60 
  MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPES.

* VISIBILITY: NEAR ZERO AT TIMES IN HEAVY SNOW...BLOWING SNOW...
  AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE
  MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER
  CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY
  CHAINS AND TAKE EXTRA FOOD AND CLOTHING. TRAVEL WILL LIKELY BE
  IMPACTED ON INTERSTATE 15 THROUGH THE CAJON PASS LATE SATURDAY
  AFTERNOON THROUGH SATURDAY NIGHT...AND AT TIMES ON SUNDAY INTO
  MONDAY.

* OUTLOOK: MODERATE TO HEAVY SNOW SHOWERS WILL CONTINUE AT TIMES
  INTO EARLY MONDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

CAZ056-058-160500-
/O.CON.KSGX.WS.A.0004.120317T2300Z-120318T1500Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...AGUANGA...ANZA...
GARNER VALLEY...IDYLLWILD...MOUNTAIN CENTER...PINE COVE...
PINYON PINES...VISTA GRANDE...CUYAMACA...JULIAN...MOUNT LAGUNA...
RANCHITA
135 PM PDT THU MAR 15 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY MORNING ABOVE 4000 FEET...

A WINTER STORM WATCH ABOVE 4000 FEET REMAINS IN EFFECT FROM
SATURDAY AFTERNOON THROUGH SUNDAY MORNING. 

* ELEVATION: ABOVE 4000 FEET.

* SNOW LEVELS: LOWERING TO AROUND 3000 TO 3500 FEET SATURDAY
  NIGHT...LOCALLY BELOW 3000 FEET BY SUNDAY MORNING.

* SNOW ACCUMULATIONS: SNOWFALL OF 6 TO 12 INCHES ABOVE 4000 FEET
  WITH LOCALLY GREATER AMOUNTS ON THE HIGHEST PEAKS. MINOR
  ACCUMULATIONS ARE ALSO POSSIBLE BELOW 3000 FEET.

* TIMING: LATE SATURDAY EVENING...BECOMING HEAVY OVERNIGHT.

* LOCATIONS INCLUDE: CUYAMACA...JULIAN...MOUNT LAGUNA...
  RANCHITA...AGUANGA...ANZA...GARNER VALLEY...IDYLLWILD...
  MOUNTAIN CENTER...PINE COVE...PINYON PINES...VISTA GRANDE

* WINDS: AREAS OF SOUTHWEST TO WEST WINDS 25 TO 35 MPH WITH 
  GUSTS TO 60 MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPES.

* VISIBILITY: NEAR ZERO AT TIMES IN SNOW...BLOWING SNOW...AND
  FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN 
  THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER 
  WEATHER CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...
   CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING. THIS WEATHER 
  COULD BE DEADLY FOR UNPREPARED CAMPERS OR HIKERS.

* OUTLOOK: SNOW SHOWERS WILL CONTINUE AT TIMES INTO EARLY 
  MONDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$
791 
WWUS46 KSGX 160440
WSWSGX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
940 PM PDT THU MAR 15 2012

...WINTER STORM WATCH FOR THE MOUNTAINS ABOVE 4000 FEET FOR
SATURDAY THROUGH SATURDAY NIGHT...

.A LATE SEASON WINTER STORM IS EXPECTED TO MOVE ACROSS SOUTHERN
CALIFORNIA SATURDAY THROUGH EARLY MONDAY WITH PERIODS OF MODERATE
TO LOCALLY HEAVY SNOWFALL...STRONG WINDS...AND LOW SNOW LEVELS.

CAZ055-161300-
/O.CON.KSGX.WS.A.0004.120317T1700Z-120318T1000Z/
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE...
BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE...
FAWNSKIN...FOREST FALLS...I-15 AT CAJON SUMMIT...LAKE ARROWHEAD...
MOUNT BALDY...MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...
RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD
940 PM PDT THU MAR 15 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH LATE SATURDAY NIGHT...

A WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY MORNING THROUGH
LATE SATURDAY NIGHT.

* ELEVATION: ABOVE 4000 FEET.

* SNOW LEVELS: 5500 FEET SATURDAY LOWERING TO AROUND 3500 FEET SATURDAY
  EVENING...AND 2500 FEET BY SUNDAY MORNING.

* SNOW ACCUMULATIONS: 6 TO 12 INCHES BETWEEN 4000 AND 6000 FEET AND
  1 TO 2 FEET ABOVE 6000 FEET. LOCAL SNOWFALL OF OVER 2 FEET IS
  POSSIBLE AT THE HIGHEST PEAKS. MINOR ACCUMULATIONS ARE ALSO
  POSSIBLE BELOW 3000 FEET.

* TIMING: POSSIBLY DEVELOPING LATE FRIDAY NIGHT...OTHERWISE...
  BECOMING HEAVY SATURDAY AFTERNOON AND EVENING. SNOW LEVELS
  LOWERING SATURDAY AFTERNOON AND EVENING.

* LOCATIONS INCLUDE: ANGELUS OAKS...BALDWIN LAKE...BARTON
  FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE...FAWNSKIN...FOREST
  FALLS...I-15 AT CAJON SUMMIT...LAKE ARROWHEAD...MOUNT
  BALDY...MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...RUNNING
  SPRINGS...TWIN PEAKS...WRIGHTWOOD

* WINDS: AREAS OF SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS TO 60
  MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPES.

* VISIBILITY: NEAR ZERO AT TIMES IN HEAVY SNOW...BLOWING SNOW...AND
  FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE MOUNTAINS
  SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS AND
  POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY CHAINS AND TAKE
  EXTRA FOOD AND CLOTHING. TRAVEL WILL LIKELY BE IMPACTED ON
  INTERSTATE 15 THROUGH THE CAJON PASS LATE SATURDAY AFTERNOON
  THROUGH SATURDAY NIGHT...AND AT TIMES ON SUNDAY INTO MONDAY.

* OUTLOOK: MODERATE TO HEAVY SNOW SHOWERS WILL CONTINUE AT TIMES INTO
  EARLY MONDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

CAZ056-058-161300-
/O.CON.KSGX.WS.A.0004.120317T2300Z-120318T1500Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...AGUANGA...ANZA...
GARNER VALLEY...IDYLLWILD...MOUNTAIN CENTER...PINE COVE...
PINYON PINES...VISTA GRANDE...CUYAMACA...JULIAN...MOUNT LAGUNA...
RANCHITA
940 PM PDT THU MAR 15 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY MORNING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY MORNING. 

* ELEVATION: ABOVE 4000 FEET.

* SNOW LEVELS: LOWERING TO AROUND 3500 FEET SATURDAY
  NIGHT...LOCALLY BELOW 3000 FEET BY SUNDAY MORNING.

* SNOW ACCUMULATIONS: SNOWFALL OF 6 TO 12 INCHES ABOVE 4000 FEET
  WITH LOCALLY GREATER AMOUNTS ON THE HIGHEST PEAKS. MINOR ACCUMULATIONS
  ARE ALSO POSSIBLE BELOW 3000 FEET.

* TIMING: LATE SATURDAY EVENING...BECOMING HEAVY OVERNIGHT.

* LOCATIONS INCLUDE: CUYAMACA...JULIAN...MOUNT LAGUNA...
  RANCHITA...AGUANGA...ANZA...GARNER VALLEY...IDYLLWILD...MOUNTAIN
  CENTER...PINE COVE...PINYON PINES...VISTA GRANDE

* WINDS: AREAS OF SOUTHWEST TO WEST WINDS 25 TO 35 MPH WITH 
  GUSTS TO 60 MPH NEAR RIDGE TOPS AND ALONG DESERT SLOPES.

* VISIBILITY: NEAR ZERO AT TIMES IN SNOW...BLOWING SNOW...AND FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE
  MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER
  CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY
  CHAINS AND TAKE EXTRA FOOD AND CLOTHING. THIS WEATHER COULD BE
  DEADLY FOR UNPREPARED CAMPERS OR HIKERS.

* OUTLOOK: SNOW SHOWERS WILL CONTINUE AT TIMES INTO EARLY MONDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

MAXWELL
635 
WWUS46 KSGX 161015
WSWSGX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
315 AM PDT FRI MAR 16 2012

...WINTER STORM WATCH FOR THE MOUNTAINS ABOVE 4000 FEET FOR
SATURDAY THROUGH SATURDAY NIGHT...

.A LATE SEASON WINTER STORM IS EXPECTED TO MOVE ACROSS SOUTHERN
CALIFORNIA SATURDAY THROUGH EARLY MONDAY WITH PERIODS OF MODERATE
TO LOCALLY HEAVY SNOWFALL...STRONG WINDS...AND LOW SNOW LEVELS.

CAZ055-162100-
/O.UPG.KSGX.WS.A.0004.120317T1700Z-120318T1000Z/
/O.NEW.KSGX.WS.W.0004.120317T1500Z-120319T0000Z/
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE...
BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE...
FAWNSKIN...FOREST FALLS...I-15 AT CAJON SUMMIT...LAKE ARROWHEAD...
MOUNT BALDY...MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...
RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD
315 AM PDT FRI MAR 16 2012

...WINTER STORM WARNING IN EFFECT FROM 8 AM SATURDAY TO 5 PM PDT
SUNDAY ABOVE 4000 FEET...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER
STORM WARNING ABOVE 4000 FEET FOR HEAVY SNOW AND STRONG WINDS...WHICH
IS IN EFFECT FROM 8 AM SATURDAY TO 5 PM PDT SUNDAY. THE WINTER
STORM WATCH IS NO LONGER IN EFFECT.

* ELEVATION: ABOVE 4000 FEET.

* SNOW LEVELS: 6000 FEET TO 6500 FT SATURDAY MORNING LOWERING TO AROUND
  3500 FEET SATURDAY EVENING...AND 2500 FEET BY SUNDAY MORNING.

* SNOW ACCUMULATIONS: 6 TO 12 INCHES BETWEEN 4000 AND 6000 FEET
  AND 1 TO 2 FEET ABOVE 6000 FEET. LOCAL SNOWFALL IN EXCESS OF 2 
  FEET IS POSSIBLE AT THE HIGHEST PEAKS. MINOR ACCUMULATIONS 
  ARE ALSO POSSIBLE BELOW 3000 FEET. 

* TIMING: LIGHT SNOW SHOWERS BEGINNING AS EARLY AS FRIDAY
  NIGHT...BECOMING WIDESPREAD AND HEAVY LATE SATURDAY MORNING
  THROUGH SATURDAY EVENING EVENING. SNOW SHOWERS WILL CONTINUE
  THROUGH SUNDAY AFTERNOON.

* LOCATIONS INCLUDE: ANGELUS OAKS...BALDWIN LAKE...BARTON 
  FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE...
  FAWNSKIN...FOREST FALLS...I-15 AT CAJON SUMMIT...LAKE 
  ARROWHEAD...MOUNT BALDY...MOUNTAIN HOME VILLAGE...OAK GLEN...
  PHELAN...RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD

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

* VISIBILITY: NEAR ZERO AT TIMES IN SNOW...BLOWING SNOW... AND
  FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE
  MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER
  CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY
  CHAINS AND TAKE EXTRA FOOD AND CLOTHING. TRAVEL WILL LIKELY BE
  IMPACTED ON INTERSTATE 15 THROUGH THE CAJON PASS LATE SATURDAY
  AFTERNOON THROUGH SATURDAY NIGHT...AND AT TIMES ON SUNDAY INTO
  MONDAY. 

* OUTLOOK: MODERATE SNOW SHOWERS WILL CONTINUE AT TIMES SUNDAY
  EVENING INTO EARLY MONDAY.

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.

&&

$$

CAZ056-058-162100-
/O.UPG.KSGX.WS.A.0004.120317T2300Z-120318T1500Z/
/O.NEW.KSGX.WS.W.0004.120317T1800Z-120319T0000Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...AGUANGA...ANZA...
GARNER VALLEY...IDYLLWILD...MOUNTAIN CENTER...PINE COVE...
PINYON PINES...VISTA GRANDE...CUYAMACA...JULIAN...MOUNT LAGUNA...
RANCHITA
315 AM PDT FRI MAR 16 2012

...WINTER STORM WARNING IN EFFECT FROM 11 AM SATURDAY TO 5 PM PDT
SUNDAY ABOVE 4000 FEET...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER
STORM WARNING ABOVE 4000 FEET FOR HEAVY SNOW AND STRONG WINDS...WHICH
IS IN EFFECT FROM 11 AM SATURDAY TO 5 PM PDT SUNDAY. THE WINTER
STORM WATCH IS NO LONGER IN EFFECT.

* ELEVATION: ABOVE 4000 FEET.

* SNOW LEVELS: 5500-6000 FT SATURDAY AFTERNOON...LOWERING TO
  AROUND 3500 FEET SATURDAY NIGHT...LOCALLY BELOW 3000 FEET BY
  SUNDAY MORNING.

* SNOW ACCUMULATIONS: SNOWFALL OF 6 TO 12 INCHES ABOVE 4000 
  FEET WITH LOCALLY GREATER AMOUNTS ON THE HIGHEST PEAKS. 
  MINOR ACCUMULATIONS ARE ALSO POSSIBLE BELOW 3000 FEET. 

* TIMING: SNOW BEGINNING LATE SATURDAY MORNING AT THE HIGHER
  ELEVATIONS. HEAVIEST SNOW DURING THE AFTERNOON AND EVENING IN
  THE RIVERSIDE COUNTY MOUNTAINS...AND SATURDAY NIGHT THROUGH
  SUNDAY MORNING IN SAN DIEGO COUNTY. SHOW SHOWERS WILL CONTINUE
  INTO SUNDAY AFTERNOON.

* LOCATIONS INCLUDE: CUYAMACA...JULIAN...MOUNT LAGUNA... 
  RANCHITA...AGUANGA...ANZA...GARNER VALLEY...IDYLLWILD...
  MOUNTAIN CENTER...PINE COVE...PINYON PINES...VISTA GRANDE 

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

* VISIBILITY: NEAR ZERO AT TIMES IN SNOW...BLOWING SNOW...AND
  FOG.

* IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE
  MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER
  CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE... CARRY
  CHAINS AND TAKE EXTRA FOOD AND CLOTHING. THIS WEATHER COULD BE
  DEADLY FOR UNPREPARED CAMPERS OR HIKERS. TRAVEL MAY BE IMPACTED
  ALONG INTERSTATE 8 THROUGH THE MOUNTAINS AT TIMES.

* OUTLOOK: SNOW SHOWERS WILL CONTINUE AT TIMES INTO EARLY MONDAY.

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.

&&

$$

SS

What forecasters said that day

The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Diego, CA wrote its last area forecast discussion before this winter storm watch went out at Mar 13, 9:25 PM PDT, 5 hours 32 minutes earlier.

Area forecast discussion, Mar 13, 9:25 PM PDT, 5 hours 32 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
925 PM PDT TUE MAR 13 2012

.SYNOPSIS...
A TROUGH OF LOW PRESSURE NEAR THE WEST COAST WILL MAINTAIN STRONGER
ONSHORE FLOW THROUGH FRIDAY...WITH BELOW AVERAGE TEMPERATURES WEST
OF THE MOUNTAINS AS WELL AS AREAS OF NIGHT AND MORNING COASTAL LOW
CLOUDS AND FOG.  LOCALLY GUSTY WEST WINDS WILL BE POSSIBLE IN THE
MOUNTAINS AND DESERTS AT TIMES.  FOR SATURDAY THROUGH MONDAY...THIS
STRONG TROUGH WILL MOVE SLOWLY INLAND THROUGH CALIFORNIA...BRINGING
MUCH COOLER TEMPERATURES...STRONG GUSTY WEST WINDS...MODERATE TO
LOCALLY HEAVY PRECIPITATION...AND LOW SNOW LEVELS.

&&

.DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE...
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...

WATER VAPOR IMAGERY CONTINUES TO SHOW A SERIES OF STORMS LINING UP
OVER THE PACIFIC TO TAKE AIM AT NORTHERN CALIFORNIA.  ONE OF WHICH
IS CURRENTLY STALLED OVER THE I-80 CORRIDOR...WHILE THE NEXT ONE IS
STARTING TO MOVE INLAND ACROSS THE NORTHWEST COAST.  ALTHOUGH THE
PRECIPITATION ASSOCIATED WITH THESE STORMS WILL STAY OVER NORTHERN
CALIFORNIA THIS WEEK...SOUTHERN CALIFORNIA REMAINS UNDER THE
INFLUENCE OF THE BROAD TROUGH.  THIS MEANS THAT PERIODS OF HIGH
CLOUDS WILL BE POSSIBLE THROUGH THURSDAY...WITH ONLY MINOR
FLUCTUATIONS POSSIBLE IN OUR DAYTIME TEMPERATURES AND THE MARINE
LAYER.

THE REAL CHANGES FOR SOUTHERN CALIFORNIA WILL START ON FRIDAY...AS
THE UPPER LEVEL TROUGH DEEPENS OVER THE REGION ONCE AGAIN AND THE
PRECIPITABLE WATER PLUME SAGS SOUTH.  AT THIS TIME...IT LOOKS LIKE
SOME LIGHT PRECIPITATION MAY SPREAD INTO THE SOUTHERN CALIFORNIA
DURING THE DAY ON FRIDAY...WITH A GREATER CHANCE OF PRECIPITATION
FOR FRIDAY NIGHT.  THE COLD FRONT WILL THEN SPREAD ACROSS THE REGION
ON SATURDAY AND SATURDAY NIGHT...WITH PERIODS OF MODERATE AND HEAVY
RAIN AND MOUNTAIN SNOW POSSIBLE.  THE STRONGEST WINDS WILL LIKELY
MOVE THROUGH THE REGION WITH THE FRONT AS WELL...WITH THE FAVORED
MOUNTAIN AND DESERT LOCATIONS SEEING GUSTS UPWARDS OF 75 MPH.

SNOW LEVELS WILL RAPIDLY FALL SATURDAY NIGHT INTO SUNDAY...BEHIND
THE COLD FRONT.  AT THIS TIME...IT LOOKS AS THROUGH SNOW LEVELS WILL
ROUGHLY RANGE BETWEEN 2500 AND 3000 FEET...BUT MAY BE LOCALLY LOWER
ON SUNDAY...AS THINGS TURN MORE SHOWERY.  THE COLDEST AIR WILL MOVE
OVER THE REGION ON SUNDAY AND SUNDAY NIGHT...SO CANNOT RULE OUT THE
THREAT OF THUNDERSTORMS.  THESE THUNDERSTORMS WILL BE CAPABLE OF
PRODUCING SMALL HAIL...GRAUPEL...POSSIBLE WATER SPOUTS OVER THE
COASTAL WATERS...AND LOCALLY LOWER SNOW LEVELS.

THINGS START TO DIVERGE ON MONDAY AND TUESDAY...AS THE ECMWF KEEPS
THE UPPER LEVEL TROUGH OVER THE REGION WHILE THE GFS PUSHES IT OFF
TO THE EAST.  FOR NOW...THINK THE SLOWER TIMING LOOKS MORE
REASONABLE...WHICH IS ALSO MORE CONSISTENT WITH PREVIOUS RUNS.
THEREFORE...THINK THAT THE THREAT OF SHOWERS WILL CONTINUE ON MONDAY
AND POTENTIALLY INTO TUESDAY.

&&

.AVIATION...
140400Z...COAST/VALLEYS...STRATUS WILL CONTINUE TO DEVELOP WITHIN 20
MI OF THE COAST THROUGH 07Z...THEN SPREAD INTO THE VALLEYS THROUGH
12Z. CIGS WILL AVERAGE 1500-1800 FT MSL WITH TOPS TO 2500 FT MSL.
LOCAL VIS AROUND 3 MI IS EXPECTED IN THE VALLEYS...AND SOME TERRAIN
WILL BE OBSCURED 1500-2500 FT MSL. MOST AREAS WILL CLEAR BETWEEN 17Z
AND 20Z WED. STRATUS WILL ARRIVE EARLIER WED NIGHT...00Z-03Z NEAR
THE COAST AND 03Z-07Z IN THE VALLEYS.

MTNS/DESERTS...VFR CONDS AND FEW-SCT CLDS AOA FL200 THROUGH
WEDNESDAY NIGHT.

&&

.MARINE...
A LARGE WEST-NORTHWEST SWELL AND LOCALLY GENERATED STEEP WIND WAVES
FROM A TROUGH PASSING THROUGH SOUTHERN CALIFORNIA WILL RESULT IN
HAZARDOUS BOATING CONDITIONS AND HIGH SURF...MAINLY SATURDAY THROUGH
MONDAY. WINDS OVER THE COASTAL WATERS COULD GET QUITE GUSTY AS
WELL...POSSIBLY OVER 25 KTS.....ALTHOUGH THE STRENGTH OF THE WINDS
REMAINS SOMEWHAT UNCERTAIN.

&&

.SGX WATCHES/WARNINGS/ADVISORIES...NONE.

&&

PUBLIC...PALMER
AVIATION/MARINE...MAXWELL
Hazardous weather outlook, Mar 13, 3:35 PM PDT, 11 hours 22 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN DIEGO CA
335 PM PDT TUE MAR 13 2012

CAZ042-043-048-050-055>058-060>062-PZZ750-775-141330-
ORANGE COUNTY COASTAL AREAS-SAN DIEGO COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS-
RIVERSIDE COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
COASTAL WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER AND OUT
30 NM-
WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER EXTENDING 30 TO
60 NM OUT INCLUDING SAN CLEMENTE ISLAND-
335 PM PDT TUE MAR 13 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EXTREME
SOUTHWESTERN CALIFORNIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

A STRONG COLD PACIFIC STORM SYSTEM WILL MOVE SLOWLY INLAND THROUGH
SOUTHERN CALIFORNIA LATE FRIDAY THROUGH MONDAY. WHILE THERE IS
STILL SOME UNCERTAINTY AS TO THE TIMING AND LOCATION OF THE MORE
SIGNIFICANT IMPACTS...SATURDAY THROUGH MONDAY SHOULD BE MUCH
COOLER...WITH PERIODS OF STRONG GUSTY WEST WINDS...ESPECIALLY IN
THE MOUNTAINS AND DESERTS...AND PERIODS OF MODERATE TO LOCALLY
HEAVY PRECIPITATION WITH LOW SNOW LEVELS.

WEST WINDS IN THE MOUNTAINS AND DESERTS COULD GUST TO 75 MPH AT
TIMES. RAINFALL TOTALS FOR THE SATURDAY THROUGH MONDAY PERIOD
COULD RANGE FROM ONE TO TWO INCHES NEAR THE COAST TO 3 TO 5 INCHES
IN THE MOUNTAINS...WITH AN INCH OR LESS IN THE DESERTS. SNOW LEVELS
MAY LOWER TO BETWEEN 2500 AND 3000 FEET...WITH LOCALLY LOWER SNOW
LEVELS POSSIBLE. SEVERAL INCHES OF SNOWFALL ARE POSSIBLE AT LOWER
MOUNTAIN ELEVATIONS...WITH A FEW FEET LOCALLY POSSIBLE AT HIGHER
ELEVATIONS. THERE IS ALSO THE POSSIBILITY OF THUNDERSTORMS...CAPABLE
OF PRODUCING SMALL HAIL OR GRAUPEL...AND WATERSPOUTS OVER THE
COASTAL WATERS. THIS STORM MAY ALSO BRING HIGH SURF TO THE
BEACHES.

.SPOTTER INFORMATION STATEMENT...
SKYWARN WEATHER ACTIVATION IS NOT REQUESTED FOR THIS AREA...
HOWEVER WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT
WEATHER CONDITIONS.

PALMER

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 14, 3:03 AM PDTHigh Wind WatchSGXRiverside, San Bernardino, San Diego48 hr

Nearby

Winter Storm Watches in California, 2012Every winter storm watch 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; radar from the NEXRAD Level II archive.