Alert archive / California / Winter Storm Warnings in 2011
Winter Storm Warning 7, NWS San Diego, CA
NWS San Diego, CA issued this winter storm warning at Dec 11, 2011, 1:45 PM PST for Riverside County, San Bernardino County, San Diego County, California. It took effect at Dec 12, 2011, 10:00 AM PST. It was in force for 27 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
- Dec 11, 2011, 1:45 PM PST (21:45 UTC)
- In effect from
- Dec 12, 2011, 10:00 AM PST
- Expired
- Dec 13, 2011, 1:08 PM PST
- In force
- 27 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 21:48 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 12:00Z, 9.8 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1050 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
201 WWUS46 KSGX 112145 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 145 PM PST SUN DEC 11 2011 ...LOCALLY HEAVY SNOWFALL POSSIBLE IN THE MOUNTAINS LATE MONDAY THROUGH TUESDAY... .A COLD PACIFIC STORM WILL BRING THE RETURN OF WINTRY WEATHER TO SOUTHERN CALIFORNIA ON MONDAY AND TUESDAY. WIDESPREAD SHOWERS WILL DEVELOP DURING THE DAY ON MONDAY OVER SOUTHERN CALIFORNIA. THE SNOW WILL BE MODERATE TO HEAVY AT TIMES LATE MONDAY AFTERNOON THROUGH TUESDAY. SNOW LEVELS WILL QUICKLY FALL FROM BETWEEN 4500 AND 5500 FEET MONDAY MORNING...TO BETWEEN 4000 AND 4500 FEET BY MONDAY AFTERNOON. HEAVY SNOW WILL BE POSSIBLE AT TIMES THROUGH TUESDAY MORNING...TAPERING OFF LATE IN THE DAY. SNOW LEVELS SHOULD REMAIN BETWEEN AROUND 4000 FEET MONDAY NIGHT AND TUESDAY...BUT MAY BE LOCALLY LOWER DOWN TO 3000 FEET. THE GREATEST SNOWFALL AMOUNTS SHOULD BE ACROSS THE EASTERN SAN BERNARDINO MOUNTAINS AND SOUTHWARD ACROSS MOUNT SAN JACINTO TO MOUNT LAGUNA IN THE SAN DIEGO MOUNTAINS. CAZ055-056-058-120600- /O.UPG.KSGX.WS.A.0003.111212T1800Z-111213T1200Z/ /O.NEW.KSGX.WS.W.0007.111212T1800Z-111213T2200Z/ 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...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD...IDYLLWILD...PINE COVE...CUYAMACA... MOUNT LAGUNA...RANCHITA 145 PM PST SUN DEC 11 2011 ...WINTER STORM WARNING IN EFFECT FROM 10 AM MONDAY TO 2 PM PST TUESDAY ABOVE 5000 FEET... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER STORM WARNING ABOVE 5000 FEET FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 10 AM MONDAY TO 2 PM PST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * ELEVATION: ABOVE 5000 FEET. * SNOW LEVELS: SNOW LEVELS WILL LOWER TO AROUND 4000 FEET DURING THE DAY ON MONDAY...AND HOLD STEADY THROUGH TUESDAY. * LOCATION: THE GREATER POTENTIAL FOR LOCALLY HEAVY SNOWFALL IS IN THE SAN BERNARDINO MOUNTAINS ABOVE 6000 FEET...WITH LESSER POTENTIAL ELSEWHERE IN MOUNTAIN AREAS ABOVE 5000 FEET. * SNOW ACCUMULATIONS: SNOWFALL OF 12 TO 20 INCHES IS POSSIBLE IN THE SAN BERNARDINO MOUNTAINS ABOVE 5000 FEET...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. FOR THE RIVERSIDE AND SAN DIEGO MOUNTAINS...AMOUNTS OF 10 TO 16 INCHES ARE POSSIBLE FOR AREAS ABOVE 5000 FEET. LESSER ACCUMULATIONS ARE POSSIBLE DOWN TO AROUND 4000 FEET. * TIMING: MODERATE TO HEAVY SNOW SHOWERS WILL DEVELOP MONDAY AFTERNOON AND INCREASE THROUGH MONDAY NIGHT...TAPERING TO SCATTERED SNOW SHOWERS BY TUESDAY AFTERNOON. * LOCATIONS INCLUDE: CUYAMACA...MOUNT LAGUNA...RANCHITA... IDYLLWILD...PINE COVE...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY... RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD * VISIBILITY: MAY BE LOCALLY REDUCED TO ONE QUARTER MILE OR LESS IN HEAVY SNOW AND FOG. * IMPACTS: RESIDENTS AND TRAVELERS ENTERING THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...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. && $$ PALMER
7 follow-up statements
077 WWUS46 KSGX 120455 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 855 PM PST SUN DEC 11 2011 ...HEAVY SNOWFALL IN THE MOUNTAINS MONDAY AFTERNOON THROUGH TUESDAY... .A COLD PACIFIC STORM WILL BRING WINTRY WEATHER TO SOUTHERN CALIFORNIA ON MONDAY AND TUESDAY. WIDESPREAD PRECIPITATION WILL MOVE INTO THE MOUNTAINS LATE MONDAY MORNING AND BECOME WIDESPREAD IN THE AFTERNOON CONTINUING THROUGH MONDAY NIGHT. PRECIPITATION WILL TAPER OFF TO SHOWERS FOR TUESDAY BUT CONTINUE. THE SNOW LEVEL WILL BE 4000 TO 4500 FEET IN THE SAN BERNARDINO MOUNTAINS AND NEAR 5000 FEET IN THE SAN DIEGO MOUNTAINS TO START...THEN LOWER TO 3500 TO 4000 FEET IN THE SAN BERNARDINO MOUNTAINS MONDAY NIGHT AND 4000 TO 4500 FEET IN THE SAN DIEGO MOUNTAINS. THE GREATEST SNOWFALL AMOUNTS SHOULD BE ACROSS THE SAN BERNARDINO MOUNTAINS. ELSEWHERE THE HIGHEST TOTALS WILL BE OVER MOUNT SAN JACINTO IN THE RIVERSIDE MOUNTAINS AND MOUNT LAGUNA IN THE SAN DIEGO MOUNTAINS WHERE NEAR A FOOT IS EXPECTED ABOVE 6000 FEET AND SEVERAL INCHES DOWN TO 4500 FEET. MINOR ACCUMULATION IS POSSIBLE AS LOW AS 3500 FEET DURING MONDAY NIGHT. CAZ055-056-058-121300- /O.CON.KSGX.WS.W.0007.111212T1800Z-111213T2200Z/ 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...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD...IDYLLWILD...PINE COVE...CUYAMACA... MOUNT LAGUNA...RANCHITA 855 PM PST SUN DEC 11 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 AM MONDAY TO 2 PM PST TUESDAY ABOVE 5000 FEET... A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT FROM 10 AM MONDAY TO 2 PM PST TUESDAY. * ELEVATION: ABOVE 5000 FEET. * SNOW LEVELS: SNOW LEVELS WILL LOWER 4000 TO 4500 FEET DURING MONDAY AFTERNOON...AND AT TIMES 3500 TO 4000 FEET MONDAY NIGHT THROUGH TUESDAY. * LOCATION: THE GREATEST POTENTIAL FOR LOCALLY HEAVY SNOWFALL IS IN THE SAN BERNARDINO MOUNTAINS ABOVE 6000 FEET. SIGNIFICANT ACCUMULATION IS EXPECTED IN ALL MOUNTAINS DOWN TO 5000 FEET. * SNOW ACCUMULATIONS: TOTAL SNOWFALL OF 6 TO 12 INCHES IS FORECAST FOR THE SAN BERNARDINO MOUNTAINS ABOVE 5000 FEET...WITH LOCALLY 18 INCHES ABOVE 7000 FEET. FOR THE RIVERSIDE AND SAN DIEGO MOUNTAINS...AMOUNTS OF 4 TO 8 INCHES ARE EXPECTED FOR ELEVATIONS ABOVE 5000 FEET WITH UP TO 12 INCHES AT 6000 FEET. 1 TO 3 INCHES OF ACCUMULATIONS ARE PREDICTED DOWN TO AROUND 4000 FEET. A LIGHT ACCUMULATION OF WET SNOW COULD GET AS LOW AS 3500 FEET IN THE LUCERNE VALLEY. * TIMING: MODERATE TO HEAVY SNOW WILL DEVELOP MONDAY AFTERNOON AND CONTINUE THROUGH MONDAY NIGHT...TAPERING TO SCATTERED SNOW SHOWERS ON TUESDAY BUT CONTINUING THROUGH THE DAY. * LOCATIONS INCLUDE: CUYAMACA...MOUNT LAGUNA...RANCHITA... IDYLLWILD...PINE COVE...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY... RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD * VISIBILITY: WILL BE LOCALLY REDUCED TO ONE QUARTER MILE OR LESS DURING PERIODS OF HEAVY SNOW AND FOG. * IMPACTS: RESIDENTS AND TRAVELERS ENTERING THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS 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. && $$ TARDY
746 WWUS46 KSGX 121102 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 302 AM PST MON DEC 12 2011 ...HEAVY SNOWFALL IN THE MOUNTAINS THIS AFTERNOON THROUGH TUESDAY AND IN THE UPPER DESERTS LATE TONIGHT THROUGH TUESDAY MORNING... .A COLD PACIFIC STORM STORM WILL MOVE SLOWLY INLAND ACROSS SOUTHERN CALIFORNIA AND NORTHERN BAJA THROUGH TUESDAY BRINGING PERIODS OF HEAVY SNOWFALL TO THE MOUNTAINS THIS AFTERNOON THROUGH TUESDAY AND TO THE UPPER DESERTS FOR LATE TONIGHT THROUGH TUESDAY MORNING. CAZ060-122200- /O.EXB.KSGX.WS.W.0007.111213T0600Z-111213T1800Z/ APPLE AND LUCERNE VALLEYS- INCLUDING THE FOLLOWING LOCATIONS...ADELANTO...APPLE VALLEY... EL MIRAGE...HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE 302 AM PST MON DEC 12 2011 ...WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST TUESDAY... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST TUESDAY. * ELEVATION: ABOVE 2500 TO 3000 FEET. * SNOW LEVELS: SNOW LEVELS NEAR 3500 FEET THIS EVENING...WILL LOWER TO NEAR THE VALLEY FLOOR LATE TONIGHT THROUGH MID MORNING TUESDAY...RISING TO NEAR 4000 FEET TUESDAY AFTERNOON. * SNOW ACCUMULATIONS: SNOWFALL OF 3 TO 6 INCHES IS POSSIBLE WITH THE HEAVIER ACCUMULATIONS MORE LIKELY NEAR THE FOOTHILLS OF THE SAN BERNARDINO AND SAN GABRIEL MOUNTAINS AND NEAR OTHER HIGHER TERRAIN. * TIMING: LATE TONIGHT THROUGH EARLY TUESDAY MORNING. * LOCATIONS INCLUDE: ADELANTO...APPLE VALLEY...EL MIRAGE... HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE * IMPACTS: 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. TRAVEL ON INTERSTATE 15 THROUGH THE CAJON PASS AND ACROSS THE HIGH DESERT COULD BE IMPACTED LATE TONIGHT INTO TUESDAY MORNING. 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. TRAVEL ON INTERSTATE 15 THROUGH THE CAJON PASS AND ACROSS THE HIGH DESERT COULD BE IMPACTED LATE TONIGHT INTO TUESDAY MORNING. && $$ CAZ055-056-058-122200- /O.CON.KSGX.WS.W.0007.111212T1800Z-111213T2200Z/ 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...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD...IDYLLWILD...PINE COVE...CUYAMACA... MOUNT LAGUNA...RANCHITA 302 AM PST MON DEC 12 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 2 PM PST TUESDAY ABOVE 5000 FEET... A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 2 PM PST TUESDAY. * ELEVATION: ABOVE 5000 FEET. * SNOW LEVELS: SNOW LEVELS NEAR 4000 TO 4500 FEET...EXCEPT LOWERING TO 3000 TO 3500 FEET LATE TONIGHT THROUGH TUESDAY MORNING FOR THE SAN BERNARDINO COUNTY MOUNTAINS. * LOCATION: THE GREATEST POTENTIAL FOR LOCALLY HEAVY SNOWFALL IS IN THE SAN BERNARDINO MOUNTAINS ABOVE 6000 FEET. SIGNIFICANT ACCUMULATION IS EXPECTED IN ALL MOUNTAINS DOWN TO 5000 FEET WITH A FEW INCHES POSSIBLE DOWN TO 4000 TO 4500 FEET. * SNOW ACCUMULATIONS: SNOWFALL WILL RANGE FROM A FEW INCHES DOWN TO 4000 TO 4500 FEET...TO 12 TO 18 INCHES ABOVE 6000 FEET IN THE SAN BERNARDINO COUNTY MOUNTAINS...AND 6 TO 10 INCHES ABOVE 6000 FEET IN THE MOUNTAINS OF RIVERSIDE AND SAN DIEGO COUNTIES. * TIMING: MODERATE TO HEAVY SNOW WILL DEVELOP THIS AFTERNOON AND CONTINUE THROUGH TONIGHT...TAPERING TO SCATTERED SNOW SHOWERS ON TUESDAY BUT CONTINUING THROUGH THE DAY. * LOCATIONS INCLUDE: CUYAMACA...MOUNT LAGUNA...RANCHITA... IDYLLWILD...PINE COVE...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY... RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD * VISIBILITY: WILL BE LOCALLY REDUCED TO ONE QUARTER MILE OR LESS FROM FOG AND DURING PERIODS OF HEAVY SNOW. * 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 ON INTERSTATE 15 THROUGH THE CAJON PASS AND ACROSS THE HIGH DESERT COULD BE IMPACTED...ESPECIALLY LATE TONIGHT INTO TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 ON INTERSTATE 15 THROUGH THE CAJON PASS AND ACROSS THE HIGH DESERT COULD BE IMPACTED...ESPECIALLY LATE TONIGHT INTO TUESDAY MORNING. && $$ MARTIN
610 WWUS46 KSGX 122149 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 149 PM PST MON DEC 12 2011 ...HEAVY SNOWFALL IN THE MOUNTAINS THIS AFTERNOON THROUGH TUESDAY AND IN THE UPPER DESERTS LATE TONIGHT THROUGH TUESDAY MORNING... .A COLD PACIFIC STORM STORM WILL MOVE SLOWLY INLAND ACROSS SOUTHERN CALIFORNIA AND NORTHERN BAJA THROUGH TUESDAY...BRINGING PERIODS OF HEAVY SNOWFALL TO THE MOUNTAINS THIS AFTERNOON THROUGH TUESDAY AND TO THE UPPER DESERTS FOR LATE TONIGHT THROUGH TUESDAY MORNING. CAZ060-130600- /O.CON.KSGX.WS.W.0007.111213T0600Z-111213T1800Z/ APPLE AND LUCERNE VALLEYS- INCLUDING THE FOLLOWING LOCATIONS...ADELANTO...APPLE VALLEY... EL MIRAGE...HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE 149 PM PST MON DEC 12 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST TUESDAY... A WINTER STORM WARNING FOR SNOW REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST TUESDAY. * ELEVATION: ABOVE 2500 TO 3000 FEET. * SNOW LEVELS: SNOW LEVELS NEAR 3500 FEET THIS EVENING...WILL LOWER TO NEAR THE VALLEY FLOOR LATE TONIGHT THROUGH MID MORNING TUESDAY...RISING TO NEAR 4000 FEET TUESDAY AFTERNOON. * SNOW ACCUMULATIONS: SNOWFALL OF 3 TO 6 INCHES IS POSSIBLE WITH THE HEAVIER ACCUMULATIONS MORE LIKELY NEAR THE FOOTHILLS OF THE SAN BERNARDINO AND SAN GABRIEL MOUNTAINS AND NEAR OTHER HIGHER TERRAIN. * TIMING: LATE TONIGHT THROUGH EARLY TUESDAY MORNING. * LOCATIONS INCLUDE: ADELANTO...APPLE VALLEY...EL MIRAGE... HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE * IMPACTS: 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. TRAVEL ON INTERSTATE 15 THROUGH THE CAJON PASS AND ACROSS THE HIGH DESERT COULD BE IMPACTED LATE TONIGHT INTO TUESDAY MORNING. 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. TRAVEL ON INTERSTATE 15 THROUGH THE CAJON PASS AND ACROSS THE HIGH DESERT COULD BE IMPACTED LATE TONIGHT INTO TUESDAY MORNING. && $$ CAZ055-056-058-130600- /O.CON.KSGX.WS.W.0007.000000T0000Z-111213T2200Z/ 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...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD...IDYLLWILD...PINE COVE...CUYAMACA... MOUNT LAGUNA...RANCHITA 149 PM PST MON DEC 12 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM PST TUESDAY... A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 2 PM PST TUESDAY. * ELEVATION: ABOVE 5000 FEET. * SNOW LEVELS: SNOW LEVELS NEAR 4000 TO 4500 FEET...EXCEPT LOWERING TO 3000 TO 3500 FEET LATE TONIGHT THROUGH TUESDAY MORNING FOR THE SAN BERNARDINO COUNTY MOUNTAINS. * LOCATION: THE GREATEST POTENTIAL FOR LOCALLY HEAVY SNOWFALL IS IN THE SAN BERNARDINO MOUNTAINS ABOVE 6000 FEET. SIGNIFICANT ACCUMULATION IS EXPECTED IN ALL MOUNTAINS DOWN TO 5000 FEET WITH A FEW INCHES POSSIBLE DOWN TO 4000 FEET. * SNOW ACCUMULATIONS: SNOWFALL WILL RANGE FROM A FEW INCHES DOWN NEAR 4000 TO 4500 FEET...TO 12 TO 18 INCHES ABOVE 6000 FEET IN THE SAN BERNARDINO COUNTY MOUNTAINS...AND 6 TO 10 INCHES ABOVE 6000 FEET IN THE MOUNTAINS OF RIVERSIDE AND SAN DIEGO COUNTIES. * TIMING: MODERATE TO HEAVY SNOW WILL DEVELOP THIS AFTERNOON AND CONTINUE THROUGH TONIGHT...TAPERING TO SCATTERED SNOW SHOWERS ON TUESDAY BUT CONTINUING THROUGH THE DAY. * LOCATIONS INCLUDE: CUYAMACA...MOUNT LAGUNA...RANCHITA... IDYLLWILD...PINE COVE...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY... RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD * VISIBILITY: WILL BE LOCALLY REDUCED TO ONE QUARTER MILE OR LESS IN FOG AND DURING PERIODS OF HEAVY SNOW. * 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 ON INTERSTATE 15 THROUGH THE CAJON PASS AND ACROSS THE HIGH DESERT COULD BE IMPACTED...ESPECIALLY LATE TONIGHT INTO TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 ON INTERSTATE 15 THROUGH THE CAJON PASS AND ACROSS THE HIGH DESERT COULD BE IMPACTED...ESPECIALLY LATE TONIGHT INTO TUESDAY MORNING. && $$
582 WWUS46 KSGX 130513 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 913 PM PST MON DEC 12 2011 ...MODERATE TO LOCALLY HEAVY SNOWFALL IN THE MOUNTAINS THIS THROUGH TUESDAY AND IN THE UPPER DESERTS LATE TONIGHT THROUGH TUESDAY MORNING... .A COLD PACIFIC STORM STORM WILL MOVE SLOWLY INLAND ACROSS SOUTHERN CALIFORNIA AND NORTHERN BAJA THROUGH TUESDAY...BRINGING PERIODS OF MODERATE TO HEAVY SNOW SHOWERS TO THE MOUNTAINS THROUGH TUESDAY AFTERNOON AND TO THE UPPER DESERTS LATE TONIGHT THROUGH TUESDAY MORNING. CAZ060-131400- /O.CON.KSGX.WS.W.0007.111213T0600Z-111213T1800Z/ APPLE AND LUCERNE VALLEYS- INCLUDING THE FOLLOWING LOCATIONS...ADELANTO...APPLE VALLEY... EL MIRAGE...HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE 913 PM PST MON DEC 12 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST TUESDAY... A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 10 AM PST TUESDAY. * ELEVATION: ABOVE 3000 FEET. * SNOW LEVELS: SNOW LEVELS NEAR 3500 FEET THIS EVENING...WILL LOWER TO NEAR THE VALLEY FLOOR LATE TONIGHT THROUGH MID MORNING TUESDAY...RISING TO NEAR 4000 FEET TUESDAY AFTERNOON. * SNOW ACCUMULATIONS: SNOWFALL OF 3 TO 4 INCHES IS POSSIBLE WITH LARGEST ACCUMULATIONS NEAR THE FOOTHILLS OF THE SAN BERNARDINO AND SAN GABRIEL MOUNTAINS AND NEAR OTHER HIGHER TERRAIN. * TIMING: LATE TONIGHT THROUGH EARLY TUESDAY MORNING. * LOCATIONS INCLUDE: ADELANTO...APPLE VALLEY...EL MIRAGE... HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE * IMPACTS: 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. TRAVEL ON INTERSTATE 15 THROUGH THE CAJON PASS AND ACROSS THE HIGH DESERT COULD BE IMPACTED LATE TONIGHT INTO TUESDAY MORNING. 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. TRAVEL ON INTERSTATE 15 THROUGH THE CAJON PASS AND ACROSS THE HIGH DESERT COULD BE IMPACTED LATE TONIGHT INTO TUESDAY MORNING. && $$ CAZ055-056-058-131400- /O.CON.KSGX.WS.W.0007.000000T0000Z-111213T2200Z/ 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...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD...IDYLLWILD...PINE COVE...CUYAMACA... MOUNT LAGUNA...RANCHITA 913 PM PST MON DEC 12 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM PST TUESDAY... A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 2 PM PST TUESDAY. * ELEVATION: ABOVE 5000 FEET. * SNOW LEVELS: SNOW LEVELS NEAR 4000 TO 4500 FEET...LOWERING TO 3000 TO 3500 FEET LATE TONIGHT THROUGH TUESDAY MORNING FOR THE SAN BERNARDINO COUNTY MOUNTAINS. * LOCATION: THE GREATEST POTENTIAL FOR LOCALLY HEAVY SNOWFALL IS IN THE SAN BERNARDINO MOUNTAINS ABOVE 6000 FEET AND IN THE SAN DIEGO COUNTY MOUNTAINS ABOVE 5000 FT. SIGNIFICANT ACCUMULATION IS EXPECTED IN ALL MOUNTAINS DOWN TO 5000 FEET WITH A FEW INCHES POSSIBLE DOWN TO 4000 FEET. * SNOW ACCUMULATIONS: ADDITIONAL SNOWFALL WILL RANGE FROM ONE TO TWO INCHES DOWN NEAR 4000 TO 4500 FEET...TO 6 TO 8 INCHES ABOVE 6000 FEET IN THE SAN BERNARDINO COUNTY MOUNTAINS...AND 4 TO 6 INCHES ABOVE 5000 FEET IN THE MOUNTAINS OF RIVERSIDE AND SAN DIEGO COUNTIES. * TIMING: MODERATE TO LOCALLY HEAVY SNOW SHOWERS WILL CONTINUE THROUGH TUESDAY MORNING...TAPERING OFF THROUGH THE AFTERNOON. * LOCATIONS INCLUDE: CUYAMACA...MOUNT LAGUNA...RANCHITA... IDYLLWILD...PINE COVE...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY... RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD. * VISIBILITY: WILL BE LOCALLY REDUCED TO ONE QUARTER MILE OR LESS IN FOG AND HEAVY SNOW. * 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 ON INTERSTATE 15 THROUGH THE CAJON PASS AND ACROSS THE HIGH DESERT COULD BE IMPACTED...ESPECIALLY LATE TONIGHT INTO TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 ON INTERSTATE 15 THROUGH THE CAJON PASS AND ACROSS THE HIGH DESERT COULD BE IMPACTED...ESPECIALLY LATE TONIGHT INTO TUESDAY MORNING. && $$ SS
845 WWUS46 KSGX 130854 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 1254 AM PST TUE DEC 13 2011 ...SCATTERED SNOW SHOWERS IN THE MOUNTAINS AND UPPER DESERTS... .A COLD PACIFIC STORM STORM WILL MOVE SLOWLY INLAND ACROSS SOUTHERN CALIFORNIA AND NORTHERN BAJA THROUGH TODAY...BRINGING SNOW SHOWERS WITH BRIEF PERIODS OF MODERATE TO HEAVY SNOWFALL TO FOR THE MOUNTAINS INTO THIS AFTERNOON AND LIGHT TO MODERATE SNOWFALL FOR THE UPPER DESERTS INTO THIS MORNING. CAZ060-131200- /O.CAN.KSGX.WS.W.0007.000000T0000Z-111213T1800Z/ /O.NEW.KSGX.WW.Y.0015.111213T0854Z-111213T1800Z/ APPLE AND LUCERNE VALLEYS- INCLUDING THE FOLLOWING LOCATIONS...ADELANTO...APPLE VALLEY... EL MIRAGE...HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE 1254 AM PST TUE DEC 13 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING ABOVE 3000 FEET... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER WEATHER ADVISORY ABOVE 3000 FEET FOR SNOW...WHICH IS IN EFFECT UNTIL 10 AM PST THIS MORNING. THE WINTER STORM WARNING HAS BEEN CANCELLED. * ELEVATION: 3500 FEET...EXCEPT 3000 FEET IN THE LUCERNE VALLEY * SNOW LEVELS: SNOW LEVELS NEAR 3000 TO 3500 FEET...EXCEPT 2500 TO 3000 FEET IN THE LUCERNE VALLEY...RISING TO 4000 TO 4500 FEET IN THE AFTERNOON. * SNOW ACCUMULATIONS: SNOWFALL OF A FEW INCHES POSSIBLE IN THE LUCERNE VALLEY AND NEAR THE DESERT FOOTHILLS OF THE SAN GABRIEL AND SAN BERNARDINO MOUNTAINS. ELSEWHERE...LOCAL ACCUMULATIONS OF AN INCH OR LESS...MAINLY ON NON-PAVED SURFACES. * TIMING: THROUGH TUESDAY MORNING. * LOCATIONS INCLUDE: ADELANTO...APPLE VALLEY...EL MIRAGE... HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE * IMPACTS: A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. TRAVEL ON INTERSTATE 15 THROUGH THE CAJON PASS AND NEARBY AREAS COULD BE IMPACTED INTO TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. TRAVEL ON INTERSTATE 15 THROUGH THE CAJON PASS AND NEARBY AREAS COULD BE IMPACTED INTO TUESDAY MORNING. && $$ CAZ055-056-058-131200- /O.CON.KSGX.WS.W.0007.000000T0000Z-111213T2200Z/ 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...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD...IDYLLWILD...PINE COVE...CUYAMACA... MOUNT LAGUNA...RANCHITA 1254 AM PST TUE DEC 13 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM PST THIS AFTERNOON ABOVE 5000 FEET... A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 2 PM PST THIS AFTERNOON. * ELEVATION: ABOVE 5000 FEET. * SNOW LEVELS: SNOW LEVELS NEAR 4000 TO 4500 FEET...EXCEPT 3500 TO 4000 FEET 3000 TO 3500 FEET INTO THIS MORNING FOR THE SAN BERNARDINO COUNTY MOUNTAINS. * SNOW ACCUMULATIONS: ADDITIONAL SNOWFALL WILL RANGE FROM ONE TO TWO INCHES DOWN NEAR 4000 TO 4500 FEET...TO 4 TO 8 INCHES ABOVE 6000 FEET IN THE SAN BERNARDINO COUNTY MOUNTAINS...AND 3 TO 5 INCHES ABOVE 5000 FEET IN THE MOUNTAINS OF RIVERSIDE AND SAN DIEGO COUNTIES. * TIMING: SCATTERED SNOW SHOWERS...WITH BRIEF MODERATE TO LOCALLY HEAVY SNOWFALL WILL CONTINUE THROUGH THIS MORNING...TAPERING OFF THROUGH THE AFTERNOON. * LOCATIONS INCLUDE: CUYAMACA...MOUNT LAGUNA...RANCHITA... IDYLLWILD...PINE COVE...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY... RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD * VISIBILITY: WILL BE LOCALLY REDUCED TO ONE QUARTER MILE OR LESS IN FOG AND MODERATE HEAVY SNOW. * 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 CHAINSAND TAKE EXTRA FOOD AND CLOTHING. TRAVEL ON INTERSTATE 15 THROUGH THE CAJON PASS COULD BE IMPACTED INTO THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 ON INTERSTATE 15 THROUGH THE CAJON PASS COULD BE IMPACTED INTO THIS MORNING. && $$ MARTIN
555 WWUS46 KSGX 131047 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 247 AM PST TUE DEC 13 2011 ...SCATTERED SNOW SHOWERS IN THE MOUNTAINS AND UPPER DESERTS... .A COLD PACIFIC STORM STORM WILL MOVE SLOWLY INLAND ACROSS SOUTHERN CALIFORNIA AND NORTHERN BAJA THROUGH TODAY...BRINGING SNOW SHOWERS WITH BRIEF PERIODS OF MODERATE TO HEAVY SNOWFALL FOR THE MOUNTAINS INTO THIS AFTERNOON AND LIGHT TO MODERATE SNOWFALL FOR THE UPPER DESERTS INTO THIS MORNING. CAZ055-056-058-131800- /O.CON.KSGX.WS.W.0007.000000T0000Z-111213T2200Z/ 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...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD...IDYLLWILD...PINE COVE...CUYAMACA... MOUNT LAGUNA...RANCHITA 247 AM PST TUE DEC 13 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM PST THIS AFTERNOON ABOVE 5000 FEET... A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 2 PM PST THIS AFTERNOON. * ELEVATION: ABOVE 5000 FEET. * SNOW LEVELS: SNOW LEVELS NEAR 4000 TO 4500 FEET...EXCEPT 3500 TO 4000 FEET INTO THIS MORNING FOR THE SAN BERNARDINO COUNTY MOUNTAINS. * SNOW ACCUMULATIONS: ADDITIONAL SNOWFALL WILL RANGE FROM ONE TO TWO INCHES DOWN NEAR 4000 TO 4500 FEET...TO 4 TO 8 INCHES ABOVE 6000 FEET IN THE SAN BERNARDINO COUNTY MOUNTAINS...AND 3 TO 5 INCHES ABOVE 5000 FEET IN THE MOUNTAINS OF RIVERSIDE AND SAN DIEGO COUNTIES. * TIMING: SCATTERED SNOW SHOWERS...WITH BRIEF MODERATE TO LOCALLY HEAVY SNOWFALL WILL CONTINUE THROUGH THIS MORNING... TAPERING OFF THROUGH THE AFTERNOON. * LOCATIONS INCLUDE: CUYAMACA...MOUNT LAGUNA...RANCHITA... IDYLLWILD...PINE COVE...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY... RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD * VISIBILITY: WILL BE LOCALLY REDUCED TO ONE QUARTER MILE OR LESSIN FOG AND MODERATE HEAVY SNOW. * 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 CHAINSAND TAKE EXTRA FOOD AND CLOTHING. TRAVEL ON INTERSTATE 15 THROUGH THE CAJON PASS COULD BE IMPACTED INTO THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 ON INTERSTATE 15 THROUGH THE CAJON PASS COULD BE IMPACTED INTO THIS MORNING. && $$ CAZ060-131800- /O.CON.KSGX.WW.Y.0015.000000T0000Z-111213T1800Z/ APPLE AND LUCERNE VALLEYS- INCLUDING THE FOLLOWING LOCATIONS...APPLE VALLEY...EL MIRAGE... HESPERIA...LUCERNE VALLEY 247 AM PST TUE DEC 13 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING ABOVE 3000 FEET... A WINTER WEATHER ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING. * ELEVATION: ABOVE 3000 FEET. * SNOW LEVELS: SNOW LEVELS NEAR 3000 TO 3500 FEET...EXCEPT 2500 TO 3000 FEET IN THE LUCERNE VALLEY...RISING TO 4000 TO 4500 FEET IN THE AFTERNOON. * SNOW ACCUMULATIONS: SNOWFALL OF A FEW INCHES POSSIBLE IN THE LUCERNE VALLEY AND NEAR THE DESERT FOOTHILLS OF THE SAN GABRIEL AND SAN BERNARDINO MOUNTAINS. ELSEWHERE...LOCAL ACCUMULATIONS OF AN INCH OR LESS...MAINLY ON NON-PAVED SURFACES. * TIMING: THROUGH TUESDAY MORNING. * LOCATIONS INCLUDE: APPLE VALLEY...EL MIRAGE...HESPERIA... LUCERNE VALLEY * IMPACTS: A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES... AND USE CAUTION WHILE DRIVING. TRAVEL ON INTERSTATE 15 THROUGH THE CAJON PASS AND NEARBY AREAS COULD BE IMPACTED INTO TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. TRAVEL ON INTERSTATE 15 THROUGH THE CAJON PASS AND NEARBY AREAS COULD BE IMPACTED INTO TUESDAY MORNING. && $$ MARTIN
120 WWUS46 KSGX 132108 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 108 PM PST TUE DEC 13 2011 ...WINTER STORM WARNING IS CANCELLED... .THE SNOWFALL HAS MOSTLY ENDED IN THE NORTHERN MOUNTAINS AND ONLY LIGHT SNOW IS FALLING IN SAN DIEGO COUNTY. CAZ055-056-058-132215- /O.CAN.KSGX.WS.W.0007.000000T0000Z-111213T2200Z/ 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...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD...IDYLLWILD...PINE COVE...CUYAMACA... MOUNT LAGUNA...RANCHITA 108 PM PST TUE DEC 13 2011 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE WINTER STORM WARNING. ONLY LIGHT SNOW IS FALLING...AND MOSTLY IN THE SAN DIEGO MOUNTAINS. THE LIGHT SNOWFALL WILL END THIS EVENING. $$ PG
Nearby
Winter Storm Warnings in California, 2011Every winter storm warning in 2011
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.