Alert archive / California / Winter Storm Warnings in 2012
Winter Storm Warning 2, NWS San Diego, CA
NWS San Diego, CA issued this winter storm warning at Feb 15, 2012, 12:23 PM PST for Riverside County, San Bernardino County, San Diego County, California. It was in force for 25 hr. 19 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 15, 2012, 12:23 PM PST (20:23 UTC)
- Expired
- Feb 16, 2012, 1:00 PM PST
- In force
- 25 hr
- 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 20:26 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 15, 3:15 PM PST | SNOW 0 | Apple Valley, CA | SNOW LEVEL 3000 FEET |
| Feb 15, 3:15 PM PST | HEAVY SNOW 6.5 | Running Springs, CA | ARROWBEAR LAKE REPORTED 6.5 |
| Feb 15, 3:30 PM PST | HEAVY SNOW 0 | Cajon Summit, CA | CHP ESCORTS ON CAJON PASS FROM APPROXIMATELY 2 TO 240 PM. STILL SNOWING AT THE TOP OF THE PASS. |
| Feb 15, 4:00 PM PST | SNOW 2 | 1 Se Mountain Pass, CA | THE MOUNTAIN PASS CO-OP OBSERVER REPORTED 2.0 INCHES OF SNOW FELL FROM 11 AM TO 4 PM AT AN ELEVATION OF 4777 FEET. |
| Feb 15, 4:28 PM PST | SNOW 3 | 5 Sw San Jacinto Peak, CA | PINE COVE 6300 FEET |
| Feb 15, 4:30 PM PST | HEAVY SNOW 4 | Lucerne Valley, CA | HEAVY SNOW ACCUMULATION SO FAR |
| Feb 15, 4:30 PM PST | SNOW 0 | Yucca Valley, CA | A PUBLIC REPORT A MIX OF SNOW AND RAIN IN YUCCA VALLEY AT AN ELEVATION 3418 FEET. |
| Feb 15, 4:47 PM PST | SNOW 0.1 | 5 Nne Yucca Valley, CA | A SPOTTER REPORTED A LIGHT COVERING OF SNOW IN YUCCA MESA AT AN ELEVATION OF 3500 FEET. |
| Feb 15, 7:25 PM PST | HEAVY SNOW 8.3 | 5 Sw San Jacinto Peak, CA | AS OF 725 PM PST...8.3 INCHES OF SNOW HAS FALLEN. |
| Feb 15, 9:00 PM PST | SNOW 8 | 9 Ene Lost Horse-Keys V, CA | REPORTED RECEIVED FROM JTNP PARK RANGER OF 8 TO 10 INCHES OF SNOWFALL ABOVE 4000FT OVERNIGHT WEDNESDAY. SNOW COVERED MANY OF THE PARK ROADS AND FELL ALL THE WAY TO THE LOST HORSE VALELY FLOOR. REPORTED RECEIVED THURSDAY AFTN. |
| Feb 15, 10:07 PM PST | SNOW 7.2 | Wsw Big Bear City, CA | SNOW TOTAL AS OF 2200 PST IS 7.25 INCHES. |
| Feb 16, 7:00 AM PST | HEAVY SNOW 10 | 1 E Running Springs, CA | 10 INCHES AT ARROWBEAR LAKE AT 6200 FEET ELEVATION. |
| Feb 16, 7:00 AM PST | HEAVY SNOW 14 | 2 Se Big Bear Lake, CA | 14 INCHES OF NEW SNOW AT SNOW SUMMIT RESORT AT 8200 FEET ELEVATION. |
| Feb 16, 7:30 AM PST | SNOW 4 | Julian, CA | 4 INCHES OF SNOW ESTIMATED IN JULIAN. |
| Feb 16, 7:30 AM PST | SNOW 4 | Pine Valley, CA | 3-4INS. NR PINE VALLEY. CHP CLOSED THE I8 NR PINE VLY DUE TO ICY ROADS. |
| Feb 16, 8:00 AM PST | SNOW 4 | Mount Laguna, CA | 4 INCHES OF NEW SNOW MEASURED AT MOUNT LAGUNA OBSERVATORY. |
| Feb 16, 8:00 AM PST | HEAVY SNOW 10 | 5 Ene Running Springs, CA | 10 INCHES OF SNOW ALONG SR-18 AT 7200 FEET ELEVATION. |
| Feb 16, 8:00 AM PST | HEAVY SNOW 14 | 2 Nw Idyllwild-Pine Cov, CA | 14 INCHES OF SNOW IN PINE COVE ALONG SR-243 AT 6000 FEET ELEVATION. |
| Feb 16, 10:30 AM PST | HEAVY SNOW 20 | 7 Wnw Palm Springs, CA | 20 INS. AT LONG VLY RS AT 8.4KFT. 1.98INS. WATER EQUIVALENT. 24-36INS AT 10KFT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
San Diego, CA (KNKX), launched 12:00Z, 8.4 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.
- Mixed-layer CAPE
- 16 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 631 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
073 WWUS46 KSGX 152023 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 1223 PM PST WED FEB 15 2012 ...SNOW AND STRONG WINDS FOR THE MOUNTAINS THIS AFTERNOON THROUGH THURSDAY MORNING... .A COLD UPPER LEVEL LOW WILL TRACK ACROSS SOUTHERN CALIFORNIA THIS AFTERNOON AND EVENING...POTENTIALLY BRINGING SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES TO THE MOUNTAINS BETWEEN 3000 AND 6000 FEET...WITH AMOUNTS UP TO 12 INCHES ABOVE 6000 FEET. THE SNOW LEVEL WILL BE AROUND 4000 FEET AND LOWER TO AROUND 3000 FEET BY THIS EVENING. SNOWFALL IS EXPECTED THIS AFTERNOON AND EVENING...WITH SCATTERED SNOW SHOWERS LINGERING INTO EARLY THURSDAY AFTERNOON. CAZ055-056-058-160500- /O.UPG.KSGX.WW.Y.0003.120215T2100Z-120216T1800Z/ /O.NEW.KSGX.WS.W.0002.120215T2023Z-120216T2100Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- SAN DIEGO 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... I-15 AT 3500 FEET...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD...AGUANGA...ANZA...GARNER VALLEY... IDYLLWILD...MOUNTAIN CENTER...PINE COVE...PINYON PINES... VISTA GRANDE...BOULEVARD...CAMERON...CAMPO...CUYAMACA... DESCANSO...JULIAN...LAKE HENSHAW...MORENA VILLAGE... MOUNT LAGUNA...OAK GROVE...PINE HILLS...PINE VALLEY...RANCHITA... SANTA YSABEL...WARNER SPRINGS 1223 PM PST WED FEB 15 2012 ...WINTER STORM WARNING IN EFFECT UNTIL 1 PM PST THURSDAY... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND LOW SNOW LEVELS...WHICH IS IN EFFECT UNTIL 1 PM PST THURSDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * SNOW LEVELS: SNOW LEVELS WILL FALL FROM NEAR 4000 FEET TO AROUND 3000 FEET BY THIS EVENING...AND MAY BE LOCALLY LOWER WITH HEAVIER SHOWERS. * SNOW ACCUMULATIONS: 3 TO 6 INCHES BETWEEN 3000 FEET AND 6000 FEET...AND UP TO 12 INCHES ABOVE 6000 FEET. * TIMING: THROUGH THURSDAY MORNING. * WINDS: AREAS OF WEST TO SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 45 MPH THROUGH WEDNESDAY EVENING. OVER THE SAN BERNARDINO AND RIVERSIDE COUNTY MOUNTAINS...WINDS BECOMING NORTH TO NORTHEAST 20 TO 30 MPH WITH LOCAL GUSTS TO 70 MPH BY EARLY THURSDAY MORNING. * 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. TRAVEL MAY BE IMPACTED ALONG I-8 AND OTHER MOUNTAIN HIGHWAYS. 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. && $$ CAZ060-160500- /O.NEW.KSGX.WW.Y.0004.120215T2023Z-120216T2100Z/ APPLE AND LUCERNE VALLEYS- INCLUDING THE FOLLOWING LOCATIONS...ADELANTO...APPLE VALLEY... EL MIRAGE...HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE 1223 PM PST WED FEB 15 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 1 PM PST THURSDAY... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 1 PM PST THURSDAY. * SNOW LEVELS: SNOW LEVELS WILL FALL FROM NEAR 3500 AND 4000 FEET TO AROUND 3000 FEET BY THIS EVENING...AND MAY BE LOCALLY LOWER WITH HEAVIER SHOWERS. * SNOW ACCUMULATIONS: 1 TO 3 INCHES. * TIMING: THROUGH THURSDAY MORNING. * WINDS: WEST WINDS 15 TO 25 MPH...BECOMING NORTH TO NORTHEAST 20 TO 25 MPH WITH GUSTS TO 35 MPH THURSDAY MORNING. * VISIBILITY: LOCALLY REDUCED TO NEAR ZERO IN SNOW AND BLOWING SNOW. * IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER AND POSSIBLE ROAD CLOSURES. CARRY CHAINS...AND TAKE EXTRA FOOD... WATER...AND CLOTHING. TRAVEL MAY BE IMPACTED ALONG I-15...ESPECIALLY NEAR THE MOUNTAINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ HARRISON/MM
4 follow-up statements
079 WWUS46 KSGX 160102 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 502 PM PST WED FEB 15 2012 ...SNOW AND STRONG WINDS FOR THE MOUNTAINS THIS AFTERNOON THROUGH THURSDAY MORNING... .A COLD UPPER LEVEL LOW WILL TRACK ACROSS SOUTHERN CALIFORNIA THIS AFTERNOON AND EVENING...BRINGING SNOWFALL ACCUMULATIONS OF 4 TO 8 INCHES TO THE MOUNTAINS BETWEEN 3000 AND 6000 FEET...WITH AMOUNTS UP TO 12 INCHES ABOVE 6000 FEET. THE SNOW LEVEL WILL LOWER TO AROUND 3000 FEET TONIGHT. THE SNOWFALL MAY DIMINISH FOR A TIME OVERNIGHT THEN INCREASE AGAIN ON THURSDAY. CAZ055-056-058-160600- /O.CON.KSGX.WS.W.0002.000000T0000Z-120216T2100Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- SAN DIEGO 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... I-15 AT 3500 FEET...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD...AGUANGA...ANZA...GARNER VALLEY... IDYLLWILD...MOUNTAIN CENTER...PINE COVE...PINYON PINES... VISTA GRANDE...BOULEVARD...CAMERON...CAMPO...CUYAMACA... DESCANSO...JULIAN...LAKE HENSHAW...MORENA VILLAGE... MOUNT LAGUNA...OAK GROVE...PINE HILLS...PINE VALLEY...RANCHITA... SANTA YSABEL...WARNER SPRINGS 502 PM PST WED FEB 15 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 PM PST THURSDAY... A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 1 PM PST THURSDAY. * SNOW LEVELS: AROUND 3000 FEET...AND MAY BE LOCALLY LOWER WITH HEAVIER SHOWERS. * SNOW ACCUMULATIONS: 4 TO 8 INCHES BETWEEN 3000 FEET AND 6000 FEET...AND UP TO 12 INCHES ABOVE 6000 FEET. * TIMING: THROUGH THURSDAY MORNING. * WINDS: AREAS OF WEST TO SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 45 MPH THROUGH WEDNESDAY EVENING. OVER THE SAN BERNARDINO AND RIVERSIDE COUNTY MOUNTAINS...WINDS BECOMING NORTH TO NORTHEAST 20 TO 30 MPH WITH LOCAL GUSTS TO 70 MPH BY EARLY THURSDAY MORNING. * 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. TRAVEL MAY BE IMPACTED ALONG I-8 AND OTHER MOUNTAIN HIGHWAYS. 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. && $$ CAZ060-160600- /O.CON.KSGX.WW.Y.0004.000000T0000Z-120216T2100Z/ APPLE AND LUCERNE VALLEYS- INCLUDING THE FOLLOWING LOCATIONS...ADELANTO...APPLE VALLEY... EL MIRAGE...HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE 502 PM PST WED FEB 15 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THURSDAY... A WINTER WEATHER ADVISORY FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 1 PM PST THURSDAY. * SNOW LEVELS: 3000 FEET...AND MAY BE LOCALLY LOWER WITH HEAVIER SHOWERS. * SNOW ACCUMULATIONS: 4 TO 8 INCHES...MAINLY NEAR THE FOOTHILLS. * TIMING: THROUGH THURSDAY MORNING. * WINDS: WEST WINDS 15 TO 25 MPH...BECOMING NORTH TO NORTHEAST 20 TO 25 MPH WITH GUSTS TO 35 MPH THURSDAY MORNING. * VISIBILITY: LOCALLY REDUCED TO NEAR ZERO IN SNOW AND BLOWING SNOW. * IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER AND POSSIBLE ROAD CLOSURES. CARRY CHAINS...AND TAKE EXTRA FOOD... WATER...AND CLOTHING. TRAVEL MAY BE IMPACTED ALONG I-15... ESPECIALLY NEAR THE MOUNTAINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ JAD
561 WWUS46 KSGX 160552 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 952 PM PST WED FEB 15 2012 ...SNOW AND STRONG WINDS FOR THE MOUNTAINS THROUGH THURSDAY MORNING... .A COLD UPPER LEVEL LOW WILL MOVE ACROSS SOUTHERN CALIFORNIA AND INTO NORTHERN BAJA THURSDAY MORNING. 4 TO 8 INCHES ARE EXPECTED IN THE MOUNTAINS BETWEEN 3000 AND 6000 FEET...WITH 12 OR MORE INCHES IN SOME OF NORTHEAST AND EAST FACING MOUNTAIN RANGES ABOVE 6000 FEET. SNOW LEVEL WILL BE VERY LOW...FROM 2500 TO 3000 FEET...WITH SEVERAL INCHES OF SNOW IN THE HIGH DESERTS AND FOOTHILLS. CAZ055-056-058-161400- /O.CON.KSGX.WS.W.0002.000000T0000Z-120216T2100Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- SAN DIEGO 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... I-15 AT 3500 FEET...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD...AGUANGA...ANZA...GARNER VALLEY... IDYLLWILD...MOUNTAIN CENTER...PINE COVE...PINYON PINES... VISTA GRANDE...BOULEVARD...CAMERON...CAMPO...CUYAMACA... DESCANSO...JULIAN...LAKE HENSHAW...MORENA VILLAGE... MOUNT LAGUNA...OAK GROVE...PINE HILLS...PINE VALLEY...RANCHITA... SANTA YSABEL...WARNER SPRINGS 952 PM PST WED FEB 15 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 PM PST THURSDAY... A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS REMAINS IN EFFECT UNTIL 1 PM PST THURSDAY. * SNOW LEVELS: 2500 TO 3000 FEET. * SNOW ACCUMULATIONS: 4 TO 8 INCHES BETWEEN 3000 FEET AND 6000 FEET...AND UP TO 12 INCHES ABOVE 6000 FEET WITH LOCALLY HIGHER AMOUNTS. * TIMING: THROUGH THURSDAY MORNING. * WINDS: NORTH TO NORTHEAST 20 TO 30 MPH TONIGHT. HIGHER GUSTS FROM 50 TO 60 MPH ARE EXPECTED OVER THE SAN BERNARDINO AND RIVERSIDE COUNTY WITH LOCAL GUSTS ABOVE 60 MPH BY THROUGH THURSDAY. * 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. TRAVEL MAY BE IMPACTED ALONG I-8 AND OTHER MOUNTAIN HIGHWAYS. 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. && $$ CAZ060-161400- /O.CON.KSGX.WW.Y.0004.000000T0000Z-120216T2100Z/ APPLE AND LUCERNE VALLEYS- INCLUDING THE FOLLOWING LOCATIONS...ADELANTO...APPLE VALLEY... EL MIRAGE...HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE 952 PM PST WED FEB 15 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THURSDAY... A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL 1 PM PST THURSDAY. * SNOW LEVELS: 2500 TO 3000 FEET. * SNOW ACCUMULATIONS: 3 TO 6 INCHES WITH HIGHER TOTAL OF 4 TO 8 INCHES NEAR THE FOOTHILLS. * TIMING: THROUGH THURSDAY MORNING. * WINDS: NORTH TO NORTHEAST 20 TO 25 MPH WITH GUSTS TO 35 MPH THURSDAY MORNING. * VISIBILITY: LOCALLY REDUCED IN SNOW AND BLOWING SNOW. * IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER AND POSSIBLE ROAD CLOSURES. CARRY CHAINS...AND TAKE EXTRA FOOD... WATER...AND CLOTHING. TRAVEL MAY BE IMPACTED ALONG I-15... ESPECIALLY NEAR THE MOUNTAINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MOEDE
635 WWUS46 KSGX 161238 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 438 AM PST THU FEB 16 2012 ...SNOW AND GUSTY NORTHEAST WINDS FOR THE MOUNTAINS THROUGH THE MORNING... .A COLD UPPER LEVEL LOW WILL CONTINUE TO BRING SCATTERED SNOW SHOWERS TO THE MOUNTAINS AS IT MOVES SOUTH INTO BAJA CALIFORNIA THIS MORNING. SHOWERS ARE EXPECTED TO TAPER OFF BY THE EARLY AFTERNOON. ADDITIONAL SNOWFALL ACCUMULATIONS WILL GENERALLY BE BETWEEN ONE AND TWO INCHES IN THE MOUNTAINS...AND LESS THAN ONE INCH IN THE HIGH DESERTS. THE SNOW LEVEL WILL RAISE FROM 3000 FT TO AROUND 4500 FT BY THE EARLY AFTERNOON. GUSTY NORTHEAST WINDS WILL CONTINUE TO STRENGTHEN THIS MORNING AS WELL. CAZ055-056-058-162100- /O.CON.KSGX.WS.W.0002.000000T0000Z-120216T2100Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- SAN DIEGO 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... I-15 AT 3500 FEET...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD...AGUANGA...ANZA...GARNER VALLEY... IDYLLWILD...MOUNTAIN CENTER...PINE COVE...PINYON PINES... VISTA GRANDE...BOULEVARD...CAMERON...CAMPO...CUYAMACA... DESCANSO...JULIAN...LAKE HENSHAW...MORENA VILLAGE... MOUNT LAGUNA...OAK GROVE...PINE HILLS...PINE VALLEY...RANCHITA... SANTA YSABEL...WARNER SPRINGS 438 AM PST THU FEB 16 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON. * SNOW LEVELS: AROUND 3000 FEET...RAISING TO 4500 FT BY THE AFTERNOON. * SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS OF ONE TO TWO INCHES THROUGH THE AFTERNOON. * TIMING: THROUGH EARLY THIS AFTERNOON. * WINDS: NORTHEAST 15 TO 25 MPH WITH GUSTS TO 40 MPH. GUSTS AS HIGH AS 60 MPH ARE POSSIBLE THROUGH THE PASSES AND CANYONS OF THE SAN BERNARDINO MOUNTAINS. * 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. TRAVEL MAY BE IMPACTED ALONG I-15...I-8...AND OTHER MOUNTAIN HIGHWAYS. 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. && $$ CAZ060-162100- /O.CON.KSGX.WW.Y.0004.000000T0000Z-120216T2100Z/ APPLE AND LUCERNE VALLEYS- INCLUDING THE FOLLOWING LOCATIONS...ADELANTO...APPLE VALLEY... EL MIRAGE...HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE 438 AM PST THU FEB 16 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON. * SNOW LEVELS: 2500 TO 3000 FEET...RAISING TO 4500 FT BY THE AFTERNOON. * SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS GENERALLY LESS THAN ONE INCH. * TIMING: THROUGH THE EARLY AFTERNOON. * WINDS: NORTH TO NORTHEAST 10 TO 15 MPH WITH GUSTS TO 25 MPH THIS MORNING. * VISIBILITY: LOCALLY REDUCED IN SNOW AND BLOWING SNOW. * IMPACTS: RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER AND POSSIBLE ROAD CLOSURES. CARRY CHAINS...AND TAKE EXTRA FOOD... WATER...AND CLOTHING. TRAVEL MAY BE IMPACTED ALONG I-15... ESPECIALLY NEAR THE FOOTHILLS OF THE SAN BERNARDINO MOUNTAINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ SS
504 WWUS46 KSGX 162059 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 1259 PM PST THU FEB 16 2012 CAZ055-056-058-162200- /O.EXP.KSGX.WS.W.0002.000000T0000Z-120216T2100Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- SAN DIEGO 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... I-15 AT 3500 FEET...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD...AGUANGA...ANZA...GARNER VALLEY... IDYLLWILD...MOUNTAIN CENTER...PINE COVE...PINYON PINES... VISTA GRANDE...BOULEVARD...CAMERON...CAMPO...CUYAMACA... DESCANSO...JULIAN...LAKE HENSHAW...MORENA VILLAGE... MOUNT LAGUNA...OAK GROVE...PINE HILLS...PINE VALLEY...RANCHITA... SANTA YSABEL...WARNER SPRINGS 1259 PM PST THU FEB 16 2012 ...WINTER STORM WARNING WILL EXPIRE AT 1 PM PST THIS AFTERNOON... THE WINTER STORM WARNING WILL EXPIRE AT 1 PM PST THIS AFTERNOON. CONDITIONS HAVE IMPROVED...ALTHOUGH AN ISOLATED LIGHT SNOW SHOWER OR TWO MAY OCCUR THIS AFTERNOON...WITH ACCUMULATIONS LESS THAN AN INCH. $$ CAZ060-162200- /O.EXP.KSGX.WW.Y.0004.000000T0000Z-120216T2100Z/ APPLE AND LUCERNE VALLEYS- INCLUDING THE FOLLOWING LOCATIONS...ADELANTO...APPLE VALLEY... EL MIRAGE...HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE 1259 PM PST THU FEB 16 2012 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 1 PM PST THIS AFTERNOON... THE WINTER WEATHER ADVISORY WILL EXPIRE AT 1 PM PST THIS AFTERNOON. SNOW SHOWERS HAVE DISSIPATED AND CONDITIONS HAVE IMPROVED. THUS...THE WINTER WEATHER ADVISORY IS ALLOWED TO EXPIRE. $$ HARRISON/MM
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 2:51 AM PST | Winter Weather Advisory | SGX | Riverside, San Bernardino, San Diego | 10 hr |
| Feb 15, 12:23 PM PST | Winter Weather Advisory | SGX | San Bernardino | 25 hr |
| Feb 15, 12:32 PM PST | High Wind Warning | SGX | Orange, Riverside, San Bernardino, San Diego | 28 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.