Alert archive / California / Winter Storm Warnings in 2011
Winter Storm Warning 2, NWS San Diego, CA
NWS San Diego, CA issued this winter storm warning at Feb 18, 2011, 2:31 AM PST for Riverside County, San Bernardino County, California. It took effect at Feb 18, 2011, 4:00 PM PST. It was in force for 36 hr. 2 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 18, 2011, 2:31 AM PST (10:31 UTC)
- In effect from
- Feb 18, 2011, 4:00 PM PST
- Expired
- Feb 20, 2011, 4:00 AM PST
- In force
- 36 hr
- Issued by
- NWS San Diego, CA
The radar
The Santa Ana Mts radar (KSOX), 152 km from the middle of the area, began a volume at 10:34 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 18, 9:00 PM PST | SNOW 2 | 5 Sw Lake Arrowhead, CA | ROAD CLOSURES ON BEAR SPRINGS AND SNOW FLOWER. EROSION ISSUES ON ARROWHEAD ROAD. |
| Feb 19, 7:00 AM PST | SNOW 4 | Big Bear City, CA | BIG BEAR YARD. OVERNIGHT SNOWFALL. |
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 00:00Z, 10.5 hours before the alert went out and 195 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
- 1357 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
232 WWUS46 KSGX 181031 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 231 AM PST FRI FEB 18 2011 ...A COLD WINTER STORM WILL IMPACT SOUTHERN CALIFORNIA LATE TODAY THROUGH SATURDAY NIGHT... .A COLD LOW PRESSURE SYSTEM WILL MOVE IN FROM THE NORTHWEST... BRINGING LOWER TEMPERATURES...STRONG GUSTY WINDS AND SNOW TO THE MOUNTAINS OF SOUTHERN CALIFORNIA LATE FRIDAY THROUGH SATURDAY. CAZ055-056-182200- /O.UPG.KSGX.WS.A.0001.110219T0000Z-110219T2100Z/ /O.NEW.KSGX.WS.W.0002.110219T0000Z-110220T1200Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE... FAWNSKIN...FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...RUNNING SPRINGS...TWIN PEAKS... WRIGHTWOOD...GARNER VALLEY...IDYLLWILD...PINE COVE...VISTA GRANDE 231 AM PST FRI FEB 18 2011 ...WINTER STORM WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM PST SUNDAY ABOVE 4500 FEET... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER STORM WARNING ABOVE 4500 FEET FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM PST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * ELEVATION: ABOVE 4500 FEET. * SNOW LEVELS: INITIALLY...SNOW LEVELS WILL BE AROUND 5500 FEET THIS AFTERNOON THEN LOWER TO AROUND 4000 FEET SATURDAY MORNING. * SNOW ACCUMULATIONS: UP TO 6 INCHES BELOW 5000 FEET...6 TO 12 INCHES FROM 5000 TO 6500 FEET...AND 12 TO 24 INCHES ABOVE 6500 FEET...EXCEPT ISOLATED MUCH LARGER AMOUNTS. * TIMING: 4 PM PST TODAY UNTIL 4 AM PST SUNDAY. * WINDS: SOUTHWEST TO WEST WINDS OF 25 TO 35 MPH WITH GUSTS NEAR 50 MPH. * VISIBILITY: LOCALLY LESS THAN ONE-QUARTER MILE AT TIMES IN SNOW...BLOWING SNOW AND FOG. * IMPACTS: SNOW ACCUMULATIONS WILL IMPACT TRAVEL ON INTERSTATE 15 THROUGH THE CAJON PASS AS WELL AS ALL 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. && $$ CAZ058-182200- /O.NEW.KSGX.WW.Y.0003.110219T1200Z-110220T1200Z/ SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...MOUNT LAGUNA... RANCHITA 231 AM PST FRI FEB 18 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM SATURDAY TO 4 AM PST SUNDAY ABOVE 4500 FEET... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER WEATHER ADVISORY ABOVE 4500 FEET FOR SNOW...WHICH IS IN EFFECT FROM 4 AM SATURDAY TO 4 AM PST SUNDAY. * ELEVATION: ABOVE 4500 FEET. * SNOW LEVELS: LOWERING TO LATE TONIGHT. * SNOW ACCUMULATIONS: 4 TO 8 INCHES. * TIMING: 4 AM PST SATURDAY TO 4 AM PST SUNDAY. * WINDS: SOUTHWEST TO WEST WINDS OF 25 TO 35 MPH WITH GUSTS NEAR 50 MPH. * VISIBILITY: LOCALLY LESS THAN ONE-QUARTER MILE AT TIMES IN SNOW...BLOWING SNOW AND FOG. * IMPACTS: SNOW ACCUMULATIONS WILL IMPACT TRAVEL ON INTERSTATE 8 AS WELL AS LOCAL MOUNTAIN HIGHWAYS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ ATKIN
6 follow-up statements
501 WWUS46 KSGX 182109 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 109 PM PST FRI FEB 18 2011 ...A COLD WINTER STORM WILL IMPACT SOUTHERN CALIFORNIA LATE TODAY THROUGH SATURDAY NIGHT... .A COLD LOW PRESSURE SYSTEM WILL MOVE IN FROM THE NORTHWEST... BRINGING LOWER TEMPERATURES...STRONG GUSTY WINDS AND SNOW TO THE MOUNTAINS OF SOUTHERN CALIFORNIA LATE FRIDAY THROUGH SATURDAY. CAZ055-056-191230- /O.CON.KSGX.WS.W.0002.110219T0000Z-110220T1200Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE... FAWNSKIN...FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...RUNNING SPRINGS...TWIN PEAKS... WRIGHTWOOD...GARNER VALLEY...IDYLLWILD...PINE COVE...VISTA GRANDE 109 PM PST FRI FEB 18 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM PST SUNDAY... A WINTER STORM WARNING FOR HEAVY SNOW ABOVE 4500 FEET REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM PST SUNDAY. * ELEVATION: ABOVE 4500 FEET. * SNOW LEVELS: INITIALLY...SNOW LEVELS WILL BE AROUND 5500 FEET THIS AFTERNOON THEN LOWER TO AROUND 4000 FEET SATURDAY MORNING. MINOR ACCUMULATIONS BELOW 3500 FEET ARE POSSIBLE AT TIME DURING SNOW SHOWERS. * SNOW ACCUMULATIONS: UP TO 6 INCHES BELOW 5000 FEET...6 TO 12 INCHES FROM 5000 TO 6500 FEET...AND 12 TO 24 INCHES ABOVE 6500 FEET...EXCEPT ISOLATED MUCH LARGER AMOUNTS. * TIMING: 4 PM PST TODAY UNTIL 4 AM PST SUNDAY. * WINDS: SOUTHWEST TO WEST WINDS OF 25 TO 35 MPH WITH GUSTS NEAR 50 MPH. * VISIBILITY: LOCALLY LESS THAN ONE-QUARTER MILE AT TIMES IN SNOW...BLOWING SNOW AND FOG. * IMPACTS: SNOW ACCUMULATIONS WILL IMPACT TRAVEL ON INTERSTATE 15 THROUGH THE CAJON PASS AS WELL AS ALL 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. && $$ CAZ058-191230- /O.CON.KSGX.WW.Y.0003.110219T1200Z-110220T1200Z/ SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...MOUNT LAGUNA... RANCHITA 109 PM PST FRI FEB 18 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM SATURDAY TO 4 AM PST SUNDAY... A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT FROM 4 AM SATURDAY TO 4 AM PST SUNDAY. * ELEVATION: ABOVE 4500 FEET. * SNOW LEVELS: LOWERING TO NEAR 4000 FEET LATE TONIGHT. * SNOW ACCUMULATIONS: 4 TO 8 INCHES. * TIMING: 4 AM PST SATURDAY TO 4 AM PST SUNDAY. * WINDS: SOUTHWEST TO WEST WINDS OF 25 TO 35 MPH WITH GUSTS NEAR 50 MPH. * VISIBILITY: LOCALLY LESS THAN ONE-QUARTER MILE AT TIMES IN SNOW...BLOWING SNOW AND FOG. * IMPACTS: SNOW ACCUMULATIONS WILL IMPACT TRAVEL ON INTERSTATE 8 AS WELL AS LOCAL MOUNTAIN HIGHWAYS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ PG
340 WWUS46 KSGX 190443 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 843 PM PST FRI FEB 18 2011 ...A COLD WINTER STORM WILL IMPACT SOUTHERN CALIFORNIA LATE TODAY THROUGH SATURDAY NIGHT... .A COLD LOW PRESSURE SYSTEM WILL MOVE IN FROM THE NORTHWEST... BRINGING COLD WEATHER...STRONG GUSTY WINDS AND SNOW TO THE MOUNTAINS OF SOUTHERN CALIFORNIA THIS EVENING THROUGH SATURDAY. THE HEAVIEST SNOW IS EXPECTED LATE TONIGHT THROUGH EARLY SATURDAY MORNING. SHOWERS WILL CONTINUE THROUGH THE AFTERNOON...THEN INCREASE SATURDAY EVENING AS A SECOND AND WEAKER FRONT MOVES THROUGH. SHOWERS WILL TAPER OFF BY SUNDAY MORNING. CAZ055-056-191300- /O.CON.KSGX.WS.W.0002.000000T0000Z-110220T1200Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE... FAWNSKIN...FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...RUNNING SPRINGS...TWIN PEAKS... WRIGHTWOOD...GARNER VALLEY...IDYLLWILD...PINE COVE...VISTA GRANDE 843 PM PST FRI FEB 18 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY ABOVE 4500 FEET... A WINTER STORM WARNING ABOVE 4500 FEET REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY. * ELEVATION: ABOVE 4500 FEET. * SNOW LEVELS: SNOW LEVELS WILL BE AROUND 5500 FEET THIS EVENING THEN LOWER TO AROUND 4000 FEET SATURDAY MORNING. MINOR ACCUMULATIONS DOWN TO 3500 FEET ARE POSSIBLE AT TIME DURING SNOW SHOWERS. * SNOW ACCUMULATIONS: UP TO 6 INCHES BELOW 5000 FEET...6 TO 12 INCHES FROM 5000 TO 6500 FEET...AND 12 TO 24 INCHES ABOVE 6500 FEET...WITH ISOLATED LARGER AMOUNTS. * TIMING: THROUGH 4 AM PST SUNDAY. * WINDS: SOUTHWEST TO WEST WINDS OF 25 TO 35 MPH WITH GUSTS NEAR 50 MPH. * VISIBILITY: LOCALLY LESS THAN ONE-QUARTER MILE AT TIMES IN SNOW...BLOWING SNOW AND FOG. * IMPACTS: SNOW ACCUMULATIONS WILL IMPACT TRAVEL ON INTERSTATE 15 THROUGH THE CAJON PASS AS WELL AS ALL 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. && $$ CAZ058-191300- /O.CON.KSGX.WW.Y.0003.110219T1200Z-110220T1200Z/ SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...MOUNT LAGUNA... RANCHITA 843 PM PST FRI FEB 18 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM SATURDAY TO 4 AM PST SUNDAY ABOVE 4500 FEET... A WINTER WEATHER ADVISORY ABOVE 4500 FEET REMAINS IN EFFECT FROM 4 AM SATURDAY TO 4 AM PST SUNDAY. * ELEVATION: ABOVE 4500 FEET. * SNOW LEVELS: LOWERING TO NEAR 4000 FEET LATE TONIGHT. * SNOW ACCUMULATIONS: 4 TO 8 INCHES. * TIMING: 4 AM PST SATURDAY TO 4 AM PST SUNDAY. * WINDS: SOUTHWEST TO WEST WINDS OF 25 TO 35 MPH WITH GUSTS NEAR 50 MPH. * VISIBILITY: LOCALLY LESS THAN ONE-QUARTER MILE AT TIMES IN SNOW...BLOWING SNOW AND FOG. * IMPACTS: SNOW ACCUMULATIONS WILL IMPACT TRAVEL ON INTERSTATE 8 AS WELL AS LOCAL MOUNTAIN HIGHWAYS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ SS
613 WWUS46 KSGX 191342 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 542 AM PST SAT FEB 19 2011 ...SNOW SHOWERS IN THE MOUNTAINS TODAY AND TONIGHT... .A COLD UPPER LOW WILL BRING SCATTERED SNOW SHOWERS TO THE MOUNTAINS. THE SNOW WILL INCREASE IN COVERAGE AND INTENSITY THIS EVENING AS A SECOND FRONT MOVES THROUGH. SHOWERS WILL TAPER OFF SUNDAY MORNING. CAZ055-056-192200- /O.CON.KSGX.WS.W.0002.000000T0000Z-110220T1200Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE... FAWNSKIN...FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...RUNNING SPRINGS...TWIN PEAKS... WRIGHTWOOD...GARNER VALLEY...IDYLLWILD...PINE COVE...VISTA GRANDE 542 AM PST SAT FEB 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY... A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY. * ELEVATION: ABOVE 4500 FEET. * SNOW LEVELS: SNOW LEVELS WILL LOWER TO 4000 FEET TODAY. MINOR ACCUMULATIONS DOWN TO 3500 FEET ARE POSSIBLE AT TIME DURING SNOW SHOWERS. * SNOW ACCUMULATIONS: A FEW INCHES BELOW 5000 FEET...6 TO 12 INCHES FROM 5000 TO 6500 FEET...AND OVER 12 INCHES ABOVE 6500 FEET. * TIMING: THROUGH 4 AM PST SUNDAY. * WINDS: SOUTHWEST TO WEST WINDS OF 25 TO 35 MPH WITH GUSTS NEAR 50 MPH. * VISIBILITY: LESS THAN ONE-QUARTER MILE AT TIMES IN SNOW...BLOWING SNOW AND FOG. * IMPACTS: SNOW ACCUMULATIONS WILL IMPACT TRAVEL ON INTERSTATE 15 THROUGH THE CAJON PASS AS WELL AS ALL 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. && $$ CAZ058-192200- /O.CON.KSGX.WW.Y.0003.000000T0000Z-110220T1200Z/ SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...MOUNT LAGUNA... RANCHITA 542 AM PST SAT FEB 19 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY... A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY. * ELEVATION: ABOVE 4500 FEET. * SNOW LEVELS: LOWERING TO NEAR 4000 FEET LATE TODAY. * SNOW ACCUMULATIONS: 2 TO 4 INCHES AT 5000 FEET. UP TO 8 INCHES ABOVE 6000 FEET. * TIMING: UNTIL 4 AM SUNDAY. * WINDS: SOUTHWEST TO WEST WINDS OF 25 TO 35 MPH WITH GUSTS NEAR 45 MPH. * VISIBILITY: LESS THAN ONE-QUARTER MILE AT TIMES IN SNOW...BLOWING SNOW AND FOG. * IMPACTS: SNOW ACCUMULATIONS WILL IMPACT TRAVEL ON INTERSTATE 8 AS WELL AS LOCAL MOUNTAIN HIGHWAYS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MOEDE
903 WWUS46 KSGX 192136 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 136 PM PST SAT FEB 19 2011 ...SNOW SHOWERS IN THE MOUNTAINS THIS AFTERNOON AND TONIGHT... .A COLD UPPER LOW WILL BRING SCATTERED SNOW SHOWERS TO THE MOUNTAINS. THE SNOW WILL INCREASE IN COVERAGE AND INTENSITY THIS EVENING AS A POST FRONTAL TROUGH MOVES THROUGH. SHOWERS WILL TAPER OFF SUNDAY MORNING. CAZ055-056-200700- /O.CON.KSGX.WS.W.0002.000000T0000Z-110220T1200Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE... FAWNSKIN...FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...RUNNING SPRINGS...TWIN PEAKS... WRIGHTWOOD...GARNER VALLEY...IDYLLWILD...PINE COVE...VISTA GRANDE 136 PM PST SAT FEB 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY... A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY. * ELEVATION: ABOVE 4500 FEET. * SNOW LEVELS: SNOW LEVELS WILL LOWER TO 4000 FEET THIS AFTERNOON. MINOR ACCUMULATIONS DOWN TO 3500 FEET ARE POSSIBLE AT TIMES DURING SNOW SHOWERS. * SNOW ACCUMULATIONS: A FEW INCHES BELOW 5000 FEET...6 TO 12 INCHES FROM 5000 TO 6500 FEET...AND OVER 12 INCHES ABOVE 6500 FEET. * TIMING: THROUGH 4 AM PST SUNDAY. * WINDS: SOUTHWEST TO WEST WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH POSSIBLE AT TIMES. * VISIBILITY: LESS THAN ONE-QUARTER MILE AT TIMES IN SNOW... BLOWING SNOW AND FOG. * IMPACTS: SNOW ACCUMULATIONS WILL IMPACT TRAVEL ON INTERSTATE 15 THROUGH THE CAJON PASS AS WELL AS ALL 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. && $$ CAZ058-200700- /O.CON.KSGX.WW.Y.0003.000000T0000Z-110220T1200Z/ SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...MOUNT LAGUNA... RANCHITA 136 PM PST SAT FEB 19 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY... A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY. * ELEVATION: ABOVE 4500 FEET. * SNOW LEVELS: LOWERING TO NEAR 4000 FEET THIS EVENING. * SNOW ACCUMULATIONS: 2 TO 4 INCHES AT 5000 FEET. UP TO 8 INCHES ABOVE 6000 FEET. * TIMING: UNTIL 4 AM SUNDAY. * WINDS: SOUTHWEST TO WEST WINDS OF 20 TO 30 MPH WITH GUSTS NEAR 40 MPH. * VISIBILITY: LESS THAN ONE-QUARTER MILE AT TIMES IN SNOW... BLOWING SNOW AND FOG. * IMPACTS: SNOW ACCUMULATIONS COULD IMPACT TRAVEL ON INTERSTATE 8 AS WELL AS LOCAL MOUNTAIN HIGHWAYS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ PG
010 WWUS46 KSGX 200539 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 939 PM PST SAT FEB 19 2011 ...SNOW SHOWERS IN THE MOUNTAINS THIS AFTERNOON AND TONIGHT... .A COLD UPPER LOW WILL BRING SCATTERED SNOW SHOWERS TO THE MOUNTAINS. THE SNOW WILL INCREASE IN COVERAGE AND INTENSITY THIS EVENING AS A POST FRONTAL TROUGH MOVES THROUGH. SHOWERS WILL TAPER OFF SUNDAY MORNING. CAZ055-056-201200- /O.CON.KSGX.WS.W.0002.000000T0000Z-110220T1200Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE... FAWNSKIN...FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...RUNNING SPRINGS...TWIN PEAKS... WRIGHTWOOD...GARNER VALLEY...IDYLLWILD...PINE COVE...VISTA GRANDE 939 PM PST SAT FEB 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY ABOVE 4500 FEET... A WINTER STORM WARNING ABOVE 4500 FEET REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY. * ELEVATION: ABOVE 4500 FEET. * SNOW LEVELS: SNOW LEVELS WILL LOWER TO 4000 FEET THIS AFTERNOON. MINOR ACCUMULATIONS DOWN TO 3500 FEET ARE POSSIBLE AT TIMES DURING SNOW SHOWERS. * SNOW ACCUMULATIONS: A FEW INCHES BELOW 5000 FEET...6 TO 12 INCHES FROM 5000 TO 6500 FEET...AND OVER 12 INCHES ABOVE 6500 FEET. * TIMING: THROUGH 4 AM PST SUNDAY. * WINDS: SOUTHWEST TO WEST WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH POSSIBLE AT TIMES. * VISIBILITY: LESS THAN ONE-QUARTER MILE AT TIMES IN SNOW... BLOWING SNOW AND FOG. * IMPACTS: SNOW ACCUMULATIONS WILL IMPACT TRAVEL ON INTERSTATE 15 THROUGH THE CAJON PASS AS WELL AS ALL 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. && $$ CAZ058-201200- /O.CON.KSGX.WW.Y.0003.000000T0000Z-110220T1200Z/ SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...MOUNT LAGUNA... RANCHITA 939 PM PST SAT FEB 19 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY ABOVE 4500 FEET... A WINTER WEATHER ADVISORY ABOVE 4500 FEET REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY. * ELEVATION: ABOVE 4500 FEET. * SNOW LEVELS: LOWERING TO NEAR 4000 FEET THIS EVENING. * SNOW ACCUMULATIONS: 2 TO 4 INCHES AT 5000 FEET. UP TO 8 INCHES ABOVE 6000 FEET. * TIMING: UNTIL 4 AM SUNDAY. * WINDS: SOUTHWEST TO WEST WINDS OF 20 TO 30 MPH WITH GUSTS NEAR 40 MPH. * VISIBILITY: LESS THAN ONE-QUARTER MILE AT TIMES IN SNOW... BLOWING SNOW AND FOG. * IMPACTS: SNOW ACCUMULATIONS COULD IMPACT TRAVEL ON INTERSTATE 8 AS WELL AS LOCAL MOUNTAIN HIGHWAYS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ ATKIN
343 WWUS46 KSGX 201157 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 357 AM PST SUN FEB 20 2011 ...WINTER STORM WARNINGS AND WINTER WEATHER ADVISORIES FOR THE MOUNTAINS ABOVE 4500 FEET WILL EXPIRE AT 4 AM... .A LOW PRESSURE SYSTEM OVER SOUTHERN CALIFORNIA WILL WEAKEN AND MOVE EAST TODAY WITH DECREASING SNOW SHOWERS OVER THE MOUNTAINS THROUGH EARLY EVENING. CAZ055-056-201300- /O.EXP.KSGX.WS.W.0002.000000T0000Z-110220T1200Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE... FAWNSKIN...FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...RUNNING SPRINGS...TWIN PEAKS... WRIGHTWOOD...GARNER VALLEY...IDYLLWILD...PINE COVE...VISTA GRANDE 357 AM PST SUN FEB 20 2011 ...WINTER STORM WARNING WILL EXPIRE AT 4 AM PST EARLY THIS MORNING ABOVE 4500 FEET... THE WINTER STORM WARNING ABOVE 4500 FEET WILL EXPIRE AT 4 AM PST EARLY THIS MORNING. * ELEVATION: ABOVE 4500 FEET. * SNOW LEVELS: 3000 TO 3500 FEET THIS MORNING...RISING TO 3500 TO 4000 FEET THIS AFTERNOON * SNOW ACCUMULATIONS: ISOLATED ADDITIONAL SNOWFALL OF 1 TO 2 INCHES ABOVE 4500 FEET THROUGH EARLY AFTERNOON. * LOCATIONS INCLUDE: GARNER VALLEY...IDYLLWILD...PINE COVE... VISTA GRANDE...ANGELUS OAKS...BALDWIN LAKE...BARTON FLATS... BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY...MOUNTAIN HOME VILLAGE...RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD * WINDS: NORTHWEST WINDS THIS MORNING OF 10 TO 20 MPH WITH GUSTS TO 25 MPH WILL CAUSE BLOWING AND DRIFTING OF SNOW. * VISIBILITY: LOCALLY REDUCED BELOW 1 MILE IN BLOWING SNOW THIS MORNING. * IMPACTS: FOR ROAD CONDITION INFORMATION IN CALIFORNIA...DIAL 8 0 0 4 2 7 7 6 2 3 IF INSIDE CALIFORNIA OR 9 1 6 4 5 5 7 6 2 3 IF OUTSIDE CALIFORNIA. $$ CAZ058-201300- /O.EXP.KSGX.WW.Y.0003.000000T0000Z-110220T1200Z/ SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...MOUNT LAGUNA... RANCHITA 357 AM PST SUN FEB 20 2011 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 4 AM PST EARLY THIS MORNING ABOVE 4500 FEET... THE WINTER WEATHER ADVISORY ABOVE 4500 FEET WILL EXPIRE AT 4 AM PST EARLY THIS MORNING. * ELEVATION: ABOVE 4500 FEET. * SNOW LEVELS: 3000 TO 3500 FEET THIS MORNING...RISING TO 3500 TO 4000 FEET THIS AFTERNOON * SNOW ACCUMULATIONS: LOCAL ADDITIONAL SNOWFALL OF 2 TO 3 INCHES ABOVE 4500 FEET THROUGH EARLY AFTERNOON. * WINDS: WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL CAUSE BLOWING AND DRIFTING OF SNOW. * VISIBILITY: LOCALLY REDUCED BELOW 1 MILE IN BLOWING SNOW. * IMPACTS: FOR ROAD CONDITION INFORMATION IN CALIFORNIA...DIAL 8 0 0 4 2 7 7 6 2 3 IF INSIDE CALIFORNIA OR 9 1 6 4 5 5 7 6 2 3 IF OUTSIDE CALIFORNIA. $$ MARTIN
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 7:41 PM PST | Gale Warning | SGX | 29 hr | |
| Feb 18, 2:15 AM PST | Wind Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 27 hr |
| Feb 18, 2:31 AM PST | Winter Weather Advisory | SGX | San Diego | 49 hr |
| Feb 18, 1:12 PM PST | Flash Flood Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 31 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.