Alert archive / California / Winter Weather Advisories in 2012
Winter Weather Advisory 13, NWS San Diego, CA
NWS San Diego, CA issued this winter weather advisory at Dec 11, 2012, 1:13 PM PST for Riverside County, San Bernardino County, San Diego County, California. It took effect at Dec 12, 2012, 4:00 PM PST. It was in force for 29 hr.
The area
The counties it named.
The facts
- Issued
- Dec 11, 2012, 1:13 PM PST (21:13 UTC)
- In effect from
- Dec 12, 2012, 4:00 PM PST
- Expired
- Dec 13, 2012, 8:45 PM PST
- In force
- 29 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 21:18 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, 9.2 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
- 2338 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
650 WWUS46 KSGX 112113 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 113 PM PST TUE DEC 11 2012 ...COLD LOW PRESSURE SYSTEM TO PRODUCE WINTRY WEATHER ALONG THE MOUNTAINS WEDNESDAY EVENING THROUGH MOST OF THURSDAY... .A COLD LOW PRESSURE SYSTEM WILL DIG DOWN OVER CALIFORNIA LATE WEDNESDAY AND MOVE THROUGH SOUTHERN CALIFORNIA EARLY THURSDAY THROUGH FRIDAY MORNING. ALTHOUGH SOME LIGHT SNOW SHOWERS MAY LINGER OVER THE MOUNTAINS THROUGH EARLY FRIDAY MORNING...THE MAJORITY OF SNOW WILL OCCUR WEDNESDAY EVENING THROUGH THURSDAY EVENING AS THE COLD FRONT MOVES THROUGH THE AREA. SNOW LEVELS WILL INITIALLY BE AT 7000-7500 FEET WEDNESDAY AFTERNOON...AND THEN FALLING TO 4500-5000 FEET BY EARLY THURSDAY MORNING...THEN DOWN TO 4000-4500 FEET BY LATE THURSDAY. SNOW LEVELS MAY LOCALLY DROP TO 3500 FEET. THE SAN BERNARDINO MOUNTAINS ARE LIKELY TO SEE THE MOST SNOWFALL...WITH TOTAL SNOW AMOUNTS REACHING UP TO A FOOT OVER THE MOUNTAIN PEAKS. MEANWHILE...THE RIVERSIDE AND SAN DIEGO COUNTY MOUNTAINS WILL LIKELY SEE TOTAL SNOWFALL OF AROUND 2 TO 6 INCHES OVER THE HIGHEST ELEVATIONS. CAZ055-120515- /O.NEW.KSGX.WS.W.0009.121213T0000Z-121214T0000Z/ 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... RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD 113 PM PST TUE DEC 11 2012 ...WINTER STORM WARNING IN EFFECT FROM 4 PM WEDNESDAY TO 4 PM PST THURSDAY... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 4 PM WEDNESDAY TO 4 PM PST THURSDAY. * SNOW LEVELS...6500 FEET WEDNESDAY AFTERNOON...DROPPING TO 4500 FEET BY EARLY THURSDAY MORNING...THEN DOWN TO 4000 FEET BY THURSDAY EVENING. * TIMING...MAINLY WEDNESDAY EVENING THROUGH EARLY THURSDAY EVENING. * SNOW ACCUMULATIONS...A DUSTING TO 1 INCH AROUND 4000 FEET ELEVATION...TO 2 TO 6 INCHES OF SNOW FROM 4500 TO 6000 FEET ELEVATION...TO 6 TO 12 INCHES OF SNOW ABOVE 6000 FEET ELEVATION. * WINDS...SOUTH AT 10 TO 20 MPH WITH GUSTS OF 25 TO 35 MPH...BECOMING SOUTH TO SOUTHWEST 5 TO 15 MPH THURSDAY AFTERNOON. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN BLOWING 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. THIS WEATHER COULD BE DEADLY FOR UNPREPARED CAMPERS OR HIKERS. SNOW LEVELS MAY LOWER ENOUGH TO IMPACT TRAVEL ALONG THE CAJON PASS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO FRIDAY MORNING BEFORE DISSIPATING COMPLETELY BY FRIDAY AFTERNOON. THERE IS THE POTENTIAL FOR SOME ADDITIONAL SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. 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. && $$ CAZ058-120515- /O.NEW.KSGX.WW.Y.0013.121213T0600Z-121214T1200Z/ SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...JULIAN... MOUNT LAGUNA 113 PM PST TUE DEC 11 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM WEDNESDAY TO 4 AM PST FRIDAY... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 10 PM WEDNESDAY TO 4 AM PST FRIDAY. * SNOW LEVELS...7000 FEET...DROPPING TO 5000 FEET BY EARLY THURSDAY MORNING...THEN DOWN TO 4000 FEET BY THURSDAY EVENING. * TIMING...LATE WEDNESDAY EVENING THROUGH LATE THURSDAY NIGHT. * SNOW ACCUMULATIONS...A DUSTING TO 2 INCHES BETWEEN 4000 AND 5000 FEET ELEVATION...TO 2 TO 6 INCHES OF SNOW ABOVE 5000 FEET. * WINDS...WEST TO SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS OF 35 TO 40 MPH...BECOMING WEST 10 TO 15 MPH WITH GUSTS OF 25 TO 30 MPH THURSDAY AFTERNOON. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN BLOWING SNOW. * IMPACTS...TRAVELERS THROUGH THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS. MOTORISTS ARE URGED TO CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. ALWAYS CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING IF YOU MUST TRAVEL INTO THE MOUNTAINS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO LATE FRIDAY MORNING. THERE IS THE POTENTIAL FOR SOME ADDITIONAL LIGHT SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ CAZ056-120515- /O.NEW.KSGX.WW.Y.0013.121213T0600Z-121214T0000Z/ RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...IDYLLWILD...PINE COVE... VISTA GRANDE 113 PM PST TUE DEC 11 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM WEDNESDAY TO 4 PM PST THURSDAY... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 10 PM WEDNESDAY TO 4 PM PST THURSDAY. * SNOW LEVELS...7000 FEET...DROPPING TO 5000 FEET BY EARLY THURSDAY MORNING...THEN DOWN TO 4000 FEET BY THURSDAY EVENING. * TIMING...LATE WEDNESDAY EVENING THROUGH EARLY THURSDAY EVENING. * SNOW ACCUMULATIONS...A DUSTING TO 1 INCH FROM 4000 TO 5000 FEET...TO 2 TO 4 INCHES BETWEEN 5000 AND 6000 FEET...TO 4 TO 8 INCHES WITH LOCALLY HIGHER AMOUNTS ABOUT 6000 FEET. * WINDS...WEST TO SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS OF 35 TO 40 MPH...BECOMING WEST 10 TO 15 MPH WITH GUSTS OF 25 MPH THURSDAY AFTERNOON. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN BLOWING SNOW. * IMPACTS...TRAVELERS THROUGH THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS. MOTORISTS ARE URGED TO CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. ALWAYS CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING IF YOU MUST TRAVEL INTO THE MOUNTAINS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO LATE FRIDAY MORNING. THERE IS THE POTENTIAL FOR SOME ADDITIONAL LIGHT SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. 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. && $$ HARRISON
8 follow-up statements
128 WWUS46 KSGX 120455 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 855 PM PST TUE DEC 11 2012 ...COLD PACIFIC STORM TO PRODUCE WINTRY WEATHER ALONG THE MOUNTAINS LATE WEDNESDAY AFTERNOON THROUGH MOST OF THURSDAY... .A COLD PACIFIC SYSTEM WILL DIG SOUTH ALONG THE CALIFORNIA COAST ON WEDNESDAY...BEFORE MOVING INLAND ACROSS SOUTHERN CALIFORNIA THURSDAY EVENING AND DURING THE OVERNIGHT HOURS. ALTHOUGH SOME LIGHT SNOW SHOWERS MAY LINGER OVER THE MOUNTAINS THROUGH EARLY FRIDAY MORNING...THE MAJORITY OF SNOW WILL OCCUR WEDNESDAY EVENING THROUGH THURSDAY EVENING...AS THE COLD FRONT MOVES THROUGH THE AREA. SNOW LEVELS WILL INITIALLY BE AT AND ABOVE 6500-7500 FEET WEDNESDAY AFTERNOON...THEN GRADUALLY FALL TO BETWEEN 4000-4500 FEET AND HIGHER LATE THURSDAY. SNOW LEVELS MAY LOCALLY LOWER DOWN TO 3500 FEET IN HEAVIER SHOWERS. THE SAN BERNARDINO MOUNTAINS ARE LIKELY TO SEE THE MOST SNOWFALL...WITH TOTAL SNOW AMOUNTS REACHING UP TO A FOOT OVER THE MOUNTAIN PEAKS. MEANWHILE...THE RIVERSIDE AND SAN DIEGO COUNTY MOUNTAINS WILL LIKELY SEE TOTAL SNOWFALL OF AROUND 2 TO 6 INCHES OVER THE HIGHEST ELEVATIONS. CAZ055-121330- /O.CON.KSGX.WS.W.0009.121213T0000Z-121214T0000Z/ 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... RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD 855 PM PST TUE DEC 11 2012 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM WEDNESDAY TO 4 PM PST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM WEDNESDAY TO 4 PM PST THURSDAY. * SNOW LEVELS...6500 FEET WEDNESDAY AFTERNOON...DROPPING TO 4500 FEET BY EARLY THURSDAY MORNING...THEN DOWN TO 4000 FEET BY THURSDAY EVENING. * TIMING...MAINLY WEDNESDAY NIGHT THROUGH EARLY THURSDAY EVENING. * SNOW ACCUMULATIONS...6 TO 12 INCHES ABOVE 6000 FEET...2 TO 6 INCHES BETWEEN 4500 AND 6000 FEET...AND A DUSTING TO 1 INCH AROUND 4000 FEET. * WINDS...SOUTH AT 20 TO 30 MPH...WITH GUSTS UP TO 45 MPH THROUGH WEDNESDAY EVENING...THEN BECOMING SOUTH TO SOUTHWEST 5 TO 15 MPH. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN BLOWING 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. THIS WEATHER COULD BE DEADLY FOR UNPREPARED CAMPERS OR HIKERS. SNOW LEVELS MAY LOWER ENOUGH TO IMPACT TRAVEL ALONG THE CAJON PASS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO FRIDAY MORNING BEFORE DISSIPATING COMPLETELY BY FRIDAY AFTERNOON. THERE IS THE POTENTIAL FOR SOME ADDITIONAL SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. 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. && $$ CAZ058-121330- /O.CON.KSGX.WW.Y.0013.121213T0600Z-121214T1200Z/ SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...JULIAN... MOUNT LAGUNA 855 PM PST TUE DEC 11 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM WEDNESDAY TO 4 AM PST FRIDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM WEDNESDAY TO 4 AM PST FRIDAY. * SNOW LEVELS...7000 FEET...DROPPING TO 5000 FEET BY EARLY THURSDAY MORNING...THEN DOWN TO 4000 FEET BY THURSDAY EVENING. * TIMING...LATE WEDNESDAY EVENING THROUGH LATE THURSDAY NIGHT. * SNOW ACCUMULATIONS...2 TO 6 INCHES ABOVE 5000 FEET...AND A DUSTING TO 2 INCHES BETWEEN 4000 AND 5000 FEET. * WINDS...WEST TO SOUTHWEST WINDS 15 TO 25 MPH...WITH GUSTS UP TO 40 MPH...BECOMING WEST 10 TO 15 MPH...WITH GUSTS UP TO 30 MPH THURSDAY AFTERNOON. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN BLOWING SNOW. * IMPACTS...TRAVELERS THROUGH THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS. MOTORISTS ARE URGED TO CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. ALWAYS CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING IF YOU MUST TRAVEL INTO THE MOUNTAINS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO LATE FRIDAY MORNING. THERE IS THE POTENTIAL FOR SOME ADDITIONAL LIGHT SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. 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. && $$ CAZ056-121330- /O.CON.KSGX.WW.Y.0013.121213T0600Z-121214T0000Z/ RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...IDYLLWILD...PINE COVE... VISTA GRANDE 855 PM PST TUE DEC 11 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM WEDNESDAY TO 4 PM PST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM WEDNESDAY TO 4 PM PST THURSDAY. * SNOW LEVELS...7000 FEET...DROPPING TO 5000 FEET BY EARLY THURSDAY MORNING...THEN DOWN TO 4000 FEET BY THURSDAY EVENING. * TIMING...LATE WEDNESDAY EVENING THROUGH EARLY THURSDAY EVENING. * SNOW ACCUMULATIONS...4 TO 8 INCHES ABOVE 6000 FEET...2 TO 4 INCHES BETWEEN 5000 AND 6000 FEET...AND A DUSTING TO 1 INCH DOWN TO 4000 FEET. LOCALLY HIGHER AMOUNTS POSSIBLE ABOVE 6000 FEET. * WINDS...WEST TO SOUTHWEST WINDS 15 TO 25 MPH...WITH GUSTS UP TO 40 MPH...BECOMING WEST 10 TO 15 MPH...WITH GUSTS OF 25 MPH THURSDAY AFTERNOON. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN BLOWING SNOW. * IMPACTS...TRAVELERS THROUGH THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS. MOTORISTS ARE URGED TO CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. ALWAYS CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING IF YOU MUST TRAVEL INTO THE MOUNTAINS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO LATE FRIDAY MORNING. THERE IS THE POTENTIAL FOR SOME ADDITIONAL LIGHT SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ PALMER
063 WWUS46 KSGX 121125 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 325 AM PST WED DEC 12 2012 ...COLD PACIFIC STORM TO PRODUCE WINTRY WEATHER IN THE MOUNTAINS LATE WEDNESDAY AFTERNOON THROUGH MOST OF THURSDAY... .A COLD PACIFIC SYSTEM WILL DIG SOUTH ALONG THE CALIFORNIA COAST TODAY...BEFORE MOVING INLAND ACROSS SOUTHERN CALIFORNIA THURSDAY EVENING AND THURSDAY NIGHT. ALTHOUGH SOME LIGHT SNOW SHOWERS MAY LINGER OVER THE MOUNTAINS THROUGH EARLY FRIDAY MORNING...THE MAJORITY OF SNOW WILL OCCUR WEDNESDAY EVENING THROUGH THURSDAY EVENING AS THE COLD FRONT MOVES THROUGH THE AREA. SNOW LEVELS WILL INITIALLY BE AROUND 6500-7500 FEET WEDNESDAY AFTERNOON...THEN GRADUALLY FALL TO BETWEEN 4000-4500 FEET LATE THURSDAY. SNOW LEVELS MAY LOCALLY LOWER DOWN TO 3500 FEET IN HEAVIER SHOWERS. THE SAN BERNARDINO MOUNTAINS ARE LIKELY TO SEE THE MOST SNOWFALL...WITH TOTAL SNOW AMOUNTS OF 6 TO 8 INCHES...LOCALLY UP TO 10 INCHES ON THE HIGHEST PEAKS. THE RIVERSIDE AND SAN DIEGO COUNTY MOUNTAINS WILL LIKELY SEE TOTAL SNOWFALL OF AROUND 2 TO 6 INCHES OVER THE HIGHEST ELEVATIONS. CAZ055-122200- /O.CAN.KSGX.WS.W.0009.121213T0000Z-121214T0000Z/ /O.EXB.KSGX.WW.Y.0013.121213T0000Z-121214T0000Z/ 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... I-15 AT 3500 FEET...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD 325 AM PST WED DEC 12 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 PM PST THURSDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 PM PST THURSDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * SNOW LEVELS...7000 FEET...DROPPING TO 5000 FEET BY EARLY THURSDAY MORNING...THEN DOWN TO 4000 FEET BY THURSDAY EVENING. * TIMING...THIS AFTERNOON THROUGH LATE THURSDAY NIGHT. * SNOW ACCUMULATIONS...4 TO 8 INCHES ABOVE 6000 FEET...AND A DUSTING TO 4 INCHES BETWEEN 4000 AND 6000 FEET. ISOLATED AMOUNTS TO AROUND 10 INCHES AT THE HIGHEST PEAKS. * WINDS...WEST TO SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS UP TO 40 MPH THROUGH THIS EVENING...BECOMING SOUTH 10 MPH WITH GUSTS TO 20 MPH OVERNIGHT. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...TRAVELERS THROUGH THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS. MOTORISTS ARE URGED TO CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. ALWAYS CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING IF YOU MUST TRAVEL INTO THE MOUNTAINS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO LATE FRIDAY MORNING. THERE IS THE POTENTIAL FOR SOME ADDITIONAL LIGHT SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. 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. && $$ CAZ058-122200- /O.CON.KSGX.WW.Y.0013.121213T0600Z-121214T1200Z/ SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...JULIAN... MOUNT LAGUNA 325 AM PST WED DEC 12 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 4 AM PST FRIDAY... * SNOW LEVELS...7000 FEET...DROPPING TO 5000 FEET BY EARLY THURSDAY MORNING...THEN DOWN TO 4000 FEET BY THURSDAY EVENING. * TIMING...LATE WEDNESDAY EVENING THROUGH LATE THURSDAY NIGHT. * SNOW ACCUMULATIONS...2 TO 6 INCHES ABOVE 5000 FEET...AND A DUSTING TO 2 INCHES BETWEEN 4000 AND 5000 FEET. * WINDS...WEST TO SOUTHWEST WINDS 15 TO 25 MPH...WITH GUSTS UP TO 40 MPH THIS EVENING...BECOMING WEST 10 TO 15 MPH...WITH GUSTS UP TO 30 MPH TONIGHT. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...TRAVELERS THROUGH THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS. MOTORISTS ARE URGED TO CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. ALWAYS CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING IF YOU MUST TRAVEL INTO THE MOUNTAINS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO LATE FRIDAY MORNING. THERE IS THE POTENTIAL FOR SOME ADDITIONAL LIGHT SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ CAZ056-122200- /O.CON.KSGX.WW.Y.0013.121213T0600Z-121214T0000Z/ RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...IDYLLWILD...PINE COVE... VISTA GRANDE 325 AM PST WED DEC 12 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST THURSDAY... * SNOW LEVELS...7000 FEET...DROPPING TO 5000 FEET BY EARLY THURSDAY MORNING...THEN DOWN TO 4000 FEET BY THURSDAY EVENING. * TIMING...LATE WEDNESDAY EVENING THROUGH EARLY THURSDAY AFTERNOON. * SNOW ACCUMULATIONS...4 TO 8 INCHES ABOVE 6000 FEET...2 TO 4 INCHES BETWEEN 5000 AND 6000 FEET...AND A DUSTING TO 1 INCH DOWN TO 4000 FEET. LOCALLY HIGHER AMOUNTS POSSIBLE ABOVE 6000 FEET. * WINDS...WEST TO SOUTHWEST WINDS 15 TO 25 MPH...WITH GUSTS UP TO 40 MPH THIS EVENING...BECOMING WEST 10 TO 15 MPH...WITH GUSTS OF 25 MPH TONIGHT. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...TRAVELERS THROUGH THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS. MOTORISTS ARE URGED TO CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. ALWAYS CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING IF YOU MUST TRAVEL INTO THE MOUNTAINS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO LATE FRIDAY MORNING. THERE IS THE POTENTIAL FOR SOME ADDITIONAL LIGHT SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. 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
254 WWUS46 KSGX 122102 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 102 PM PST WED DEC 12 2012 ...COLD PACIFIC STORM TO PRODUCE WINTRY WEATHER IN THE MOUNTAINS THIS EVENING THROUGH MOST OF THURSDAY... .A COLD PACIFIC SYSTEM WILL DEEPEN SOUTH ALONG THE CALIFORNIA COAST TODAY...BEFORE MOVING INLAND ACROSS SOUTHERN CALIFORNIA THURSDAY EVENING AND THURSDAY NIGHT. MOST OF THE SNOW WILL OCCUR TONIGHT THROUGH THURSDAY EVENING AS THE COLD FRONT MOVES THROUGH THE AREA. SNOW LEVELS WILL INITIALLY BE AROUND 6500-7500 FEET THIS AFTERNOON...THEN GRADUALLY FALL TO BETWEEN 4000-4500 FEET LATE THURSDAY. SNOW LEVELS MAY LOCALLY LOWER DOWN TO 3500 FEET IN HEAVIER SHOWERS. THE SAN BERNARDINO MOUNTAINS ARE LIKELY TO SEE THE MOST SNOWFALL...WITH TOTAL SNOW AMOUNTS OF 6 TO 8 INCHES...LOCALLY UP TO 10 INCHES ON THE HIGHEST PEAKS. THE RIVERSIDE AND SAN DIEGO COUNTY MOUNTAINS WILL LIKELY SEE TOTAL SNOWFALL OF AROUND 2 TO 6 INCHES OVER THE HIGHEST ELEVATIONS. CAZ055-130600- /O.CON.KSGX.WW.Y.0013.121213T0000Z-121214T0000Z/ 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... I-15 AT 3500 FEET...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD 102 PM PST WED DEC 12 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 PM PST THURSDAY... * SNOW LEVELS...7000 FEET...DROPPING TO 5000 FEET BY EARLY THURSDAY MORNING...THEN DOWN TO 4000 FEET BY THURSDAY EVENING. * TIMING...THIS AFTERNOON THROUGH LATE THURSDAY NIGHT. * SNOW ACCUMULATIONS...4 TO 8 INCHES ABOVE 6000 FEET...AND A DUSTING TO 4 INCHES BETWEEN 4000 AND 6000 FEET. ISOLATED AMOUNTS TO AROUND 10 INCHES AT THE HIGHEST PEAKS. * WINDS...WEST TO SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS UP TO 40 MPH THROUGH THIS EVENING...BECOMING SOUTH 10 MPH WITH GUSTS TO 20 MPH OVERNIGHT. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...TRAVELERS THROUGH THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS. MOTORISTS ARE URGED TO CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. ALWAYS CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING IF YOU MUST TRAVEL INTO THE MOUNTAINS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO LATE FRIDAY MORNING. THERE IS THE POTENTIAL FOR SOME ADDITIONAL LIGHT SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. 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. && $$ CAZ058-130600- /O.CON.KSGX.WW.Y.0013.121213T0600Z-121214T1200Z/ SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...JULIAN... MOUNT LAGUNA 102 PM PST WED DEC 12 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 4 AM PST FRIDAY... * SNOW LEVELS...7000 FEET...DROPPING TO 5000 FEET BY EARLY THURSDAY MORNING...THEN DOWN TO 4000 FEET BY THURSDAY EVENING. * TIMING...LATE THIS EVENING THROUGH LATE THURSDAY NIGHT. * SNOW ACCUMULATIONS...2 TO 6 INCHES ABOVE 5000 FEET...AND A DUSTING TO 2 INCHES BETWEEN 4000 AND 5000 FEET. * WINDS...WEST TO SOUTHWEST WINDS 15 TO 25 MPH...WITH GUSTS UP TO 40 MPH THIS EVENING...BECOMING WEST 10 TO 15 MPH...WITH GUSTS UP TO 30 MPH TONIGHT. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...TRAVELERS THROUGH THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS. MOTORISTS ARE URGED TO CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. ALWAYS CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING IF YOU MUST TRAVEL INTO THE MOUNTAINS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO LATE FRIDAY MORNING. THERE IS THE POTENTIAL FOR SOME ADDITIONAL LIGHT SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. 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. && $$ CAZ056-130600- /O.CON.KSGX.WW.Y.0013.121213T0600Z-121214T0000Z/ RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...IDYLLWILD...PINE COVE... VISTA GRANDE 102 PM PST WED DEC 12 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST THURSDAY... * SNOW LEVELS...7000 FEET...DROPPING TO 5000 FEET BY EARLY THURSDAY MORNING...THEN DOWN TO 4000 FEET BY THURSDAY EVENING. * TIMING...LATE WEDNESDAY EVENING THROUGH EARLY THURSDAY AFTERNOON. * SNOW ACCUMULATIONS...4 TO 8 INCHES ABOVE 6000 FEET...2 TO 4 INCHES BETWEEN 5000 AND 6000 FEET...AND A DUSTING TO 1 INCH DOWN TO 4000 FEET. LOCALLY HIGHER AMOUNTS POSSIBLE ABOVE 6000 FEET. * WINDS...WEST TO SOUTHWEST WINDS 15 TO 25 MPH...WITH GUSTS UP TO 40 MPH THIS EVENING...BECOMING WEST 10 TO 15 MPH...WITH GUSTS OF 25 MPH TONIGHT. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...TRAVELERS THROUGH THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS. MOTORISTS ARE URGED TO CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. ALWAYS CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING IF YOU MUST TRAVEL INTO THE MOUNTAINS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO LATE FRIDAY MORNING. THERE IS THE POTENTIAL FOR SOME ADDITIONAL LIGHT SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
620 WWUS46 KSGX 130015 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 415 PM PST WED DEC 12 2012 ...COLD PACIFIC STORM TO PRODUCE WINTRY WEATHER IN THE MOUNTAINS TONIGHT THROUGH MOST OF THURSDAY... .A COLD PACIFIC SYSTEM WILL DEEPEN SOUTH ALONG THE CALIFORNIA COAST THIS EVENING...BEFORE MOVING INLAND ACROSS SOUTHERN CALIFORNIA THURSDAY EVENING AND THURSDAY NIGHT. MOST OF THE SNOW WILL OCCUR LATE TONIGHT THROUGH THURSDAY EVENING...AS THE COLD FRONT MOVES THROUGH THE AREA. SNOW LEVELS WILL INITIALLY BE AROUND 6500-7500 FEET THIS EVENING...THEN GRADUALLY FALL TO BETWEEN 4000-4500 FEET LATE THURSDAY. SNOW LEVELS MAY LOCALLY LOWER DOWN TO 3500 FEET IN HEAVIER SHOWERS. THE SAN BERNARDINO MOUNTAINS ARE LIKELY TO SEE THE MOST SNOWFALL...WITH TOTAL SNOW AMOUNTS OF 6 TO 8 INCHES... LOCALLY UP TO 10 INCHES ON THE HIGHEST PEAKS. THE RIVERSIDE AND SAN DIEGO COUNTY MOUNTAINS WILL LIKELY SEE TOTAL SNOWFALL OF AROUND 2 TO 6 INCHES OVER THE HIGHEST ELEVATIONS. CAZ055-131200- /O.CAN.KSGX.WW.Y.0013.000000T0000Z-121214T0000Z/ /O.NEW.KSGX.WW.Y.0014.121213T0600Z-121214T0000Z/ 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... I-15 AT 3500 FEET...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD 415 PM PST WED DEC 12 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST THURSDAY... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST THURSDAY. * TIMING...LATER THIS EVENING THROUGH THURSDAY AFTERNOON. * SNOW ACCUMULATIONS...4 TO 8 INCHES ABOVE 6000 FEET...AND A DUSTING TO 4 INCHES BETWEEN 4000 AND 6000 FEET. ISOLATED AMOUNTS TO AROUND 10 INCHES AT THE HIGHEST PEAKS. * WINDS...WEST TO SOUTHWEST WINDS 15 TO 25 MPH...WITH GUSTS UP TO 40 MPH THROUGH THIS EVENING...BECOMING SOUTH 10 MPH WITH GUSTS TO 20 MPH OVERNIGHT. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...TRAVELERS THROUGH THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS. MOTORISTS ARE URGED TO CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. ALWAYS CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING IF YOU MUST TRAVEL INTO THE MOUNTAINS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO LATE FRIDAY MORNING. THERE IS THE POTENTIAL FOR SOME ADDITIONAL LIGHT SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. 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. && $$ CAZ058-131200- /O.EXT.KSGX.WW.Y.0013.121213T1200Z-121214T1200Z/ SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...JULIAN... MOUNT LAGUNA 415 PM PST WED DEC 12 2012 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 4 AM THURSDAY TO 4 AM PST FRIDAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT FROM 4 AM THURSDAY TO 4 AM PST FRIDAY. * TIMING...LATE TONIGHT THROUGH LATE THURSDAY NIGHT. * SNOW ACCUMULATIONS...2 TO 6 INCHES ABOVE 5000 FEET...AND A DUSTING TO 2 INCHES BETWEEN 4000 AND 5000 FEET. * WINDS...WEST TO SOUTHWEST WINDS 15 TO 25 MPH...WITH GUSTS UP TO 40 MPH THIS EVENING...BECOMING WEST 10 TO 15 MPH...WITH GUSTS UP TO 30 MPH TONIGHT. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...TRAVELERS THROUGH THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS. MOTORISTS ARE URGED TO CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. ALWAYS CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING IF YOU MUST TRAVEL INTO THE MOUNTAINS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO LATE FRIDAY MORNING. THERE IS THE POTENTIAL FOR SOME ADDITIONAL LIGHT SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ CAZ056-131200- /O.EXT.KSGX.WW.Y.0013.121213T1200Z-121214T0000Z/ RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...IDYLLWILD...PINE COVE... VISTA GRANDE 415 PM PST WED DEC 12 2012 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 4 AM TO 4 PM PST THURSDAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT FROM 4 AM TO 4 PM PST THURSDAY. * TIMING...LATE TONIGHT THROUGH THURSDAY AFTERNOON. * SNOW ACCUMULATIONS...4 TO 8 INCHES ABOVE 6000 FEET...2 TO 4 INCHES BETWEEN 5000 AND 6000 FEET...AND A DUSTING TO 1 INCH DOWN TO 4000 FEET. LOCALLY HIGHER AMOUNTS POSSIBLE ABOVE 6000 FEET. * WINDS...WEST TO SOUTHWEST WINDS 15 TO 25 MPH...WITH GUSTS UP TO 40 MPH THIS EVENING...BECOMING WEST 10 TO 15 MPH...WITH GUSTS OF 25 MPH TONIGHT. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...TRAVELERS THROUGH THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS. MOTORISTS ARE URGED TO CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. ALWAYS CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING IF YOU MUST TRAVEL INTO THE MOUNTAINS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO LATE FRIDAY MORNING. THERE IS THE POTENTIAL FOR SOME ADDITIONAL LIGHT SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. 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. && $$ PALMER
182 WWUS46 KSGX 131133 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 333 AM PST THU DEC 13 2012 ...COLD PACIFIC STORM TO PRODUCE WINTRY WEATHER IN THE MOUNTAINS TODAY... .A COLD PACIFIC SYSTEM WILL CONTINUE TO DEEPEN SOUTH ALONG THE CALIFORNIA COAST TODAY...BEFORE MOVING INLAND ACROSS SOUTHERN CALIFORNIA THIS EVENING INTO TONIGHT. MOST OF THE SNOW WILL OCCUR THROUGH THIS EVENING AS THE COLD FRONT MOVES THROUGH THE AREA. SNOW LEVELS WILL INITIALLY BE AROUND 6000 FEET THIS MORNING...THEN GRADUALLY FALL TO BETWEEN 4000-4500 FEET LATE THIS EVENING. SNOW LEVELS MAY LOCALLY LOWER DOWN TO 3500 FEET IN HEAVIER SHOWERS TONIGHT. THE SAN BERNARDINO MOUNTAINS ARE LIKELY TO SEE THE MOST SNOWFALL...WITH TOTAL SNOW AMOUNTS OF 6 TO 8 INCHES... LOCALLY UP TO 12 INCHES ON THE HIGHEST PEAKS. THE RIVERSIDE AND SAN DIEGO COUNTY MOUNTAINS WILL LIKELY SEE TOTAL SNOWFALL OF AROUND 2 TO 6 INCHES OVER THE HIGHEST ELEVATIONS. CAZ055-132200- /O.CON.KSGX.WW.Y.0014.000000T0000Z-121214T0000Z/ 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... I-15 AT 3500 FEET...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD 333 AM PST THU DEC 13 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * TIMING...LATER THIS EVENING THROUGH THURSDAY AFTERNOON. * SNOW ACCUMULATIONS...4 TO 8 INCHES ABOVE 6000 FEET...AND A DUSTING TO 4 INCHES BETWEEN 4000 AND 6000 FEET. ISOLATED AMOUNTS TO AROUND 12 INCHES AT THE HIGHEST PEAKS. * WINDS...SOUTH 10 TO 15 MPH WITH GUSTS TO 30 MPH. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...TRAVELERS THROUGH THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS. MOTORISTS ARE URGED TO CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. ALWAYS CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING IF YOU MUST TRAVEL INTO THE MOUNTAINS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO LATE FRIDAY MORNING. THERE IS THE POTENTIAL FOR SOME ADDITIONAL LIGHT SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. 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. && $$ CAZ058-132200- /O.CON.KSGX.WW.Y.0013.121213T1200Z-121214T1200Z/ SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...JULIAN... MOUNT LAGUNA 333 AM PST THU DEC 13 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY... * TIMING...THROUGH EARLY FRIDAY MORNING. * SNOW ACCUMULATIONS...2 TO 6 INCHES ABOVE 5000 FEET...AND A DUSTING TO 2 INCHES BETWEEN 4000 AND 5000 FEET. * WINDS...WEST TO SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...TRAVELERS THROUGH THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS. MOTORISTS ARE URGED TO CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. ALWAYS CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING IF YOU MUST TRAVEL INTO THE MOUNTAINS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO LATE FRIDAY MORNING. THERE IS THE POTENTIAL FOR SOME ADDITIONAL LIGHT SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. 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. && $$ CAZ056-132200- /O.CON.KSGX.WW.Y.0013.121213T1200Z-121214T0000Z/ RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...IDYLLWILD...PINE COVE... VISTA GRANDE 333 AM PST THU DEC 13 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * TIMING...LATE TONIGHT THROUGH THURSDAY AFTERNOON. * SNOW ACCUMULATIONS...4 TO 8 INCHES ABOVE 6000 FEET...2 TO 4 INCHES BETWEEN 5000 AND 6000 FEET...AND A DUSTING TO 1 INCH DOWN TO 4000 FEET. LOCALLY HIGHER AMOUNTS POSSIBLE ABOVE 6000 FEET. * WINDS...WEST 10 TO 15 MPH WITH GUSTS OF 25 MPH TONIGHT. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...TRAVELERS THROUGH THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS. MOTORISTS ARE URGED TO CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. ALWAYS CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING IF YOU MUST TRAVEL INTO THE MOUNTAINS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO LATE FRIDAY MORNING. THERE IS THE POTENTIAL FOR SOME ADDITIONAL LIGHT SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ SS
887 WWUS46 KSGX 132117 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 117 PM PST THU DEC 13 2012 ...COLD PACIFIC STORM WILL CONTINUE TO PRODUCE WINTRY WEATHER IN THE MOUNTAINS THROUGH THIS EVENING... .A COLD PACIFIC SYSTEM WILL CONTINUE TO DEEPEN SOUTH ALONG THE CALIFORNIA COAST TODAY...BEFORE MOVING INLAND ACROSS SOUTHERN CALIFORNIA THIS EVENING INTO TONIGHT. MOST OF THE SNOW WILL OCCUR THROUGH THIS EVENING AS THE COLD FRONT CONTINUES TO MOVE THROUGH THE AREA AND LINGERING SNOW SHOWERS BEHIND THE FRONT PASS OVER. SNOW LEVELS CURRENTLY AT ABOUT 5000-5500 FEET WILL LOWER TO 4000-4500 FEET BY TOMORROW MORNING. SNOW LEVELS MAY LOCALLY LOWER DOWN TO 3500 FEET IN HEAVIER SHOWERS TONIGHT. ADDITIONAL SNOWFALL AMOUNTS WILL GENERALLY BE 3 TO 6 INCHES ABOVE 5000 FEET...AND A DUSTING TO 2 INCHES BETWEEN 4000 AND 5000 FEET. CAZ056-140530- /O.EXT.KSGX.WW.Y.0013.000000T0000Z-121214T0600Z/ RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...IDYLLWILD...PINE COVE... VISTA GRANDE 117 PM PST THU DEC 13 2012 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 PM PST THIS EVENING... * TIMING...THROUGH LATE THIS EVENING. * SNOW LEVELS...5000 TO 5500 FEET...FALLING TO 4000 FEET TOMORROW MORNING. * ADDITIONAL SNOW ACCUMULATIONS...4 TO 6 INCHES ABOVE 5000 FEET...AND A DUSTING TO 2 INCHES DOWN TO 4000 FEET. * WINDS...WEST 10 TO 15 MPH WITH GUSTS OF 25 MPH. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...TRAVELERS THROUGH THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS. MOTORISTS ARE URGED TO CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. ALWAYS CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING IF YOU MUST TRAVEL INTO THE MOUNTAINS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO LATE FRIDAY MORNING. THERE IS THE POTENTIAL FOR SOME ADDITIONAL LIGHT SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. 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. && $$ CAZ055-140530- /O.EXT.KSGX.WW.Y.0014.000000T0000Z-121214T0600Z/ SAN BERNARDINO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE... FAWNSKIN...FOREST FALLS...I-15 AT CAJON SUMMIT... I-15 AT 3500 FEET...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD 117 PM PST THU DEC 13 2012 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 PM PST THIS EVENING... * TIMING...THROUGH LATE THIS EVENING. * SNOW LEVELS...5000 TO 5500 FEET...FALLING TO 4000 FEET TOMORROW MORNING. * ADDITIONAL SNOW ACCUMULATIONS...4 TO 6 INCHES ABOVE 5000 FEET...AND A DUSTING TO 2 INCHES DOWN TO 4000 FEET. LOCALLY HIGHER AMOUNTS POSSIBLE ABOVE 6000 FEET. * WINDS...SOUTH 10 TO 15 MPH WITH GUSTS TO 30 MPH. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...TRAVELERS THROUGH THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS. MOTORISTS ARE URGED TO CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. ALWAYS CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING IF YOU MUST TRAVEL INTO THE MOUNTAINS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO LATE FRIDAY MORNING. THERE IS THE POTENTIAL FOR SOME ADDITIONAL LIGHT SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ CAZ058-140530- /O.CON.KSGX.WW.Y.0013.000000T0000Z-121214T1200Z/ SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...JULIAN... MOUNT LAGUNA 117 PM PST THU DEC 13 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY... * TIMING...THROUGH EARLY FRIDAY MORNING. * SNOW LEVELS...5000 TO 5500 FEET...FALLING TO 4000 FEET TOMORROW MORNING. * ADDITIONAL SNOW ACCUMULATIONS...3 TO 7 INCHES ABOVE 5000 FEET...AND 1 TO 3 INCHES BETWEEN 4000 AND 5000 FEET. * WINDS...WEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH...BECOMING WEST 20 TO 30 MPH WITH GUSTS TO 50 MPH AFTER MIDNIGHT. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...TRAVELERS THROUGH THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS. MOTORISTS ARE URGED TO CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. ALWAYS CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING IF YOU MUST TRAVEL INTO THE MOUNTAINS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO LATE FRIDAY MORNING. THERE IS THE POTENTIAL FOR SOME ADDITIONAL LIGHT SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. 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. && $$ HARRISON
553 WWUS46 KSGX 132350 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 350 PM PST THU DEC 13 2012 ...COLD PACIFIC STORM WILL CONTINUE TO PRODUCE WINTRY WEATHER IN THE MOUNTAINS THROUGH THIS EVENING... .A COLD PACIFIC SYSTEM WILL CONTINUE TO DEEPEN SOUTH ALONG THE CALIFORNIA COAST THIS AFTERNOON...BEFORE MOVING INLAND ACROSS SOUTHERN CALIFORNIA THIS EVENING INTO TONIGHT. MOST OF THE SNOW WILL OCCUR THROUGH THIS EVENING...AS THE COLD FRONT CONTINUES TO MOVE THROUGH THE AREA. HOWEVER...LINGERING SNOW SHOWERS WILL CONTINUE BEHIND THE FRONT. SNOW LEVELS CURRENTLY BETWEEN 5000 AND 5500 FEET WILL LOWER TO BETWEEN 4000 AND 4500 FEET BY THURSDAY MORNING. SNOW LEVELS MAY LOCALLY LOWER DOWN TO 3500 FEET IN HEAVIER SHOWERS TONIGHT. ADDITIONAL SNOWFALL AMOUNTS WILL GENERALLY BE 2 TO 4 INCHES ABOVE 5000 FEET...WITH LOCALLY HIGHER AMOUNTS POSSIBLE AT THE PEAKS. UP TO 2 INCHES WILL BE POSSIBLE BETWEEN 4000 AND 5000 FEET. CAZ058-140800- /O.CON.KSGX.WW.Y.0013.000000T0000Z-121214T1200Z/ SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...JULIAN... MOUNT LAGUNA 350 PM PST THU DEC 13 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY. * SNOW LEVELS...5000 TO 5500 FEET...FALLING TO 4000 FEET BY THURSDAY MORNING. * SNOW ACCUMULATIONS...3 TO 7 INCHES ABOVE 5000 FEET...AND 1 TO 3 INCHES BETWEEN 4000 AND 5000 FEET. * WINDS...WEST WINDS 10 TO 20 MPH...WITH GUSTS UP TO 35 MPH... BECOMING WEST 20 TO 30 MPH WITH GUSTS TO 50 MPH AFTER MIDNIGHT. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...TRAVELERS THROUGH THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS. MOTORISTS ARE URGED TO CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. ALWAYS CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING IF YOU MUST TRAVEL INTO THE MOUNTAINS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO LATE FRIDAY MORNING. THERE IS THE POTENTIAL FOR SOME ADDITIONAL LIGHT SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. 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. && $$ CAZ056-140600- /O.CON.KSGX.WW.Y.0013.000000T0000Z-121214T0600Z/ RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...IDYLLWILD...PINE COVE... VISTA GRANDE 350 PM PST THU DEC 13 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. * SNOW LEVELS...5000 TO 5500 FEET...FALLING TO 4000 FEET LATE TONIGHT. * SNOW ACCUMULATIONS...4 TO 8 INCHES ABOVE 5000 FEET...AND A DUSTING TO 2 INCHES DOWN TO 4000 FEET. * WINDS...WEST 10 TO 15 MPH...WITH GUSTS OF 25 MPH. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...TRAVELERS THROUGH THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS. MOTORISTS ARE URGED TO CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. ALWAYS CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING IF YOU MUST TRAVEL INTO THE MOUNTAINS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO LATE FRIDAY MORNING. THERE IS THE POTENTIAL FOR SOME ADDITIONAL LIGHT SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. 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. && $$ CAZ055-140600- /O.CON.KSGX.WW.Y.0014.000000T0000Z-121214T0600Z/ SAN BERNARDINO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE... FAWNSKIN...FOREST FALLS...I-15 AT CAJON SUMMIT... I-15 AT 3500 FEET...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD 350 PM PST THU DEC 13 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. * SNOW LEVELS...AROUND 5000 FEET...FALLING TO 4000 FEET LATE TONIGHT. * SNOW ACCUMULATIONS...4 TO 10 INCHES ABOVE 5000 FEET...AND A DUSTING TO 2 INCHES DOWN TO 4000 FEET. LOCALLY HIGHER AMOUNTS POSSIBLE ABOVE 6000 FEET. * WINDS...SOUTHWEST TO WEST 15 TO 25 MPH...WITH GUSTS TO 35 MPH. * VISIBILITY...LOCALLY DOWN TO A MILE OR LESS IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...TRAVELERS THROUGH THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS. MOTORISTS ARE URGED TO CHECK THE LATEST ROAD REPORTS BEFORE DEPARTING. ALWAYS CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING IF YOU MUST TRAVEL INTO THE MOUNTAINS. * OUTLOOK...SOME LINGERING LIGHT SNOW SHOWERS MAY CONTINUE INTO LATE FRIDAY MORNING. THERE IS THE POTENTIAL FOR SOME ADDITIONAL LIGHT SNOW FRIDAY NIGHT AND SUNDAY DUE TO SOME DISTURBANCES THAT MAY MOVE THROUGH THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ PALMER
857 WWUS46 KSGX 140445 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 845 PM PST THU DEC 13 2012 CAZ058-140545- /O.CAN.KSGX.WW.Y.0013.000000T0000Z-121214T1200Z/ SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...JULIAN... MOUNT LAGUNA 845 PM PST THU DEC 13 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CAN CELLED THE WINTER WEATHER ADVISORY. ALTHOUGH SCATTERED SHOWERS WILL CONTINUE THROUGH THE NIGHT AND INTO THURSDAY MORNING...THE BRUNT OF THE MOISTURE HAS PASSED. THEREFORE...THE WINTER WEATHER ADVISORY IS CANCELED. LOCAL ACCUMULATIONS UP TO 2 INCHES WILL BE POSSIBLE...WITH HEAVIER SHOWERS. $$ CAZ056-140545- /O.CAN.KSGX.WW.Y.0013.000000T0000Z-121214T0600Z/ RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...IDYLLWILD...PINE COVE... VISTA GRANDE 845 PM PST THU DEC 13 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CAN CELLED THE WINTER WEATHER ADVISORY. ALTHOUGH SCATTERED SHOWERS WILL CONTINUE THROUGH THE NIGHT AND INTO THURSDAY MORNING...THE BRUNT OF THE MOISTURE HAS PASSED. THEREFORE...THE WINTER WEATHER ADVISORY IS CANCELED. LOCAL ACCUMULATIONS UP TO 2 INCHES WILL BE POSSIBLE...WITH HEAVIER SHOWERS. $$ CAZ055-140545- /O.CAN.KSGX.WW.Y.0014.000000T0000Z-121214T0600Z/ 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... I-15 AT 3500 FEET...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD 845 PM PST THU DEC 13 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CAN CELLED THE WINTER WEATHER ADVISORY. ALTHOUGH ISOLATED TO SCATTERED SHOWERS WILL CONTINUE THROUGH THE NIGHT...THE BRUNT OF THE MOISTURE HAS PASSED. THEREFORE...THE WINTER WEATHER ADVISORY IS CANCELED. LOCAL ACCUMULATIONS UP TO 2 INCHES WILL BE POSSIBLE...WITH HEAVIER SHOWERS. $$ PALMER
What forecasters said that day
The local office's own words before this winter weather advisory 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 weather advisory went out at Dec 11, 8:20 AM PST, 4 hours 53 minutes earlier.
Area forecast discussion, Dec 11, 8:20 AM PST, 4 hours 53 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN DIEGO CA 820 AM PST TUE DEC 11 2012 .SYNOPSIS... WEAK HIGH PRESSURE ALOFT WILL KEEP TEMPERATURES SLIGHTLY ABOVE NORMAL TODAY. INCREASING ONSHORE FLOW AND LOWERING PRESSURE ALOFT WILL RESULT IN LOW CLOUDS AND FOG INTO THE WESTERN VALLEYS LATE TONIGHT AND TOMORROW MORNING. A COLD LOW PRESSURE SYSTEM WILL MOVE THROUGH THE AREA WEDNESDAY AFTERNOON THROUGH FRIDAY...BRINGING LIGHT TO MODERATE RAIN...MOUNTAIN SNOW AND GUSTY ONSHORE WINDS IN THE MTNS AND DESERTS. ADDITIONAL PRECIPITATION MAY OCCUR FRIDAY NIGHT INTO EARLY SATURDAY AND AGAIN SUNDAY INTO MONDAY DUE TO ADDITIONAL DISTURBANCES POSSIBLY MOVING THROUGH. && .DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES... VISIBLE SATELLITE SHOWS SOME HIGH CLOUDS MOVING OVER THE AREA THIS MORNING...WITH WATER VAPOR IMAGERY INDICATING SOME WEAK UPPER RIDGING MOVING IN ALOFT. THIS RIDGE...IN ADDITION TO SOME WEAK OFFSHORE/NEUTRAL FLOW...SHOULD KEEP DAY-TIME HIGH TEMPERATURES SLIGHTLY ABOVE NORMAL TODAY. HOWEVER...WINDS ARE STARTING TO TREND MORE ONSHORE THIS MORNING...WITH SAN DIEGO TO THERMAL PRESSURE GRADIENTS SHOWING 0.6 MB ONSHORE CURRENTLY...WHEREAS THEY WERE 1.3 MB OFFSHORE AT THIS TIME YESTERDAY. WINDS SHOULD BECOME PREVAILING ONSHORE BY TONIGHT A TROUGH APPROACHES THE WEST COAST. THE INCREASE IN ONSHORE FLOW AND LOWER PRESSURE ALOFT SHOULD LIFT THE MARINE LAYER TONIGHT...WITH STRATUS/FOG SHOULD MOVING INLAND INTO THE WESTERN INLAND VALLEYS LATE TONIGHT THROUGH TOMORROW MORNING. THE TROUGH WILL CONTINUE TO AMPLIFY AS IT DIGS DOWN THE WEST COAST WEDNESDAY...AND THEN FORM A CLOSED LOW WITHIN THE TROUGH AS IT MOVES DOWN THROUGH CENTRAL CALIFORNIA AND INTO SOUTHERN CALIFORNIA WEDNESDAY NIGHT THROUGH LATE THURSDAY. THIS STORM SYSTEM WILL BRING WIDESPREAD MODERATE PRECIPITATION OVER AND WEST OF THE MOUNTAINS. FOR THE COASTAL AND VALLEY AREAS...TOTAL RAINFALL AMOUNTS ARE EXPECTED TO BE BETWEEN A HALF INCH TO THREE QUARTERS OF AN INCH. IN THE MOUNTAINS...TOTAL AMOUNTS WILL RANGE FROM ONE INCH TO TWO INCHES. AMOUNTS IN THE DESERTS ARE EXPECTED TO BE MOSTLY ONE QUARTER OF AN INCH OR LESS. THE SYSTEM WILL BE COLD AS WELL...BRINGING TEMPERATURES DOWN TO 10 TO 15 DEGREES BELOW NORMAL ON THURSDAY...WITH SNOW LEVELS INITIALLY AT 7000-7500 FEET WEDNESDAY AFTERNOON...AND THEN FALLING TO 4500-5000 FEET BY EARLY THURSDAY MORNING...THEN DOWN TO 4000-4500 FEET BY LATE THURSDAY. SNOW LEVELS MAY LOCALLY DROP TO 3500 FEET...WITH SOME OF THE HIGH DESERT AREAS POSSIBLY SEEING SOME FLURRIES...ALTHOUGH NO ACCUMULATION IS EXPECTED IN THOSE LOCATIONS. 2 TO 6 INCHES OF TOTAL SNOWFALL WILL BE POSSIBLE BETWEEN 4000 AND 6000 FEET...WITH 6 TO 10 INCHES ABOVE 6000 FEET...AND UP TO A FOOT ON THE MOUNTAIN PEAKS. FINALLY...WITH 500 MB TEMPERATURES OF -25 TO -27 DEG C EXPECTED...AND WEAK INSTABILITY...THERE IS A SLIGHT CHANCE OF THUNDERSTORMS THURSDAY AS WELL. PRECIPITATION WITH THIS STORM MAY START AS EARLY AS WEDNESDAY AFTERNOON OVER ORANGE COUNTY...WESTERN PORTIONS OF THE INLAND EMPIRE...AND THE COASTAL SLOPES OF THE SAN BERNARDINO MOUNTAINS. 20-25 MPH 850 MB WINDS OUT OF THE SOUTH/SOUTHWEST BEFORE THE TROUGHS ASSOCIATED COLD FRONT MOVES THROUGH INDICATES BETTER OROGRAPHIC ENHANCEMENT OF PRECIPITATION OVER COASTAL SLOPES OF THE MOSTLY SOUTH-FACING SAN BERNARDINO MOUNTAINS WEDNESDAY NIGHT. AFTER THE COLD FRONT MOVES THROUGH EARLY THURSDAY MORNING...850 MB WINDS BECOME 15 MPH OUT OF THE WEST...WHICH WOULD MEAN BETTER OROGRAPHIC ENHANCEMENT OF PRECIPITATION OVER THE MOSTLY WEST FACING COASTAL SLOPES OF THE RIVERSIDE AND SAN DIEGO COUNTY MOUNTAINS FOR THE REST OF THURSDAY. HOWEVER...SINCE THE BRUNT OF THE PRECIPITATION IS EXPECTED TO FALL ON WEDNESDAY NIGHT AND EARLY THURSDAY MORNING...THE SAN BERNARDINO MOUNTAINS MAY SEE THE MOST PRECIPITATION OUT OF THIS EVENT COMPARED TO THE OTHER MOUNTAIN RANGES...AND THIS IS INDICATED IN THE QPF GRIDS. WINDS DO NOT LOOK OVERLY IMPRESSIVE WITH THIS SYSTEM...ALTHOUGH AS THE TROUGH APPROACHES ON WEDNESDAY...LOCAL WRF OUTPUT INDICATES SOUTH WINDS POSSIBLY GUSTING TO 35-45 MPH ALONG THE SAN BERNARDINO MOUNTAIN DESERT SLOPES AND ADJACENT HIGH DESERTS. OTHERWISE...WINDS WITH THE TROUGH PASSAGE WILL BE MAINLY SOUTHWEST TO WEST IN THE 10-20 MPH RANGE WITH GUSTS TO 30-35 MPH OVER THE MOUNTAINS AND DESERTS. THE LOW WILL MOVE OFF TO THE EAST BY FRIDAY AFTERNOON...ALTHOUGH SOME ISOLATED LIGHT SHOWERS MAY LINGER THROUGH FRIDAY MORNING. A SHORTWAVE TROUGH IS THEN FORECAST TO MOVE THROUGH SOUTHERN CALIFORNIA FRIDAY NIGHT INTO SATURDAY MORNING...ALTHOUGH THE ECMWF IS MUCH STRONGER WITH THIS FEATURE AND THE ONLY MODEL TO BE SHOWING MUCH PRECIPITATION WITH IT. NEVERTHELESS...SOME ADDITIONAL LIGHT PRECIPITATION WILL BE POSSIBLE MAINLY OVER AND WEST OF THE MOUNTAINS DURING THAT TIME PERIOD...WITH SOME LIGHT SNOW POSSIBLE ABOVE 4500 FEET. THE 00Z ECMWF SOLUTION THEN INDICATES ANOTHER HIGHLY AMPLIFIED TROUGH DIGGING DOWN ON SUNDAY THROUGH CENTRAL CALIFORNIA/SOUTHERN NEVADA...POSSIBLY BRINGING ANOTHER ROUND OF PRECIPITATION...ALTHOUGH SNOW LEVELS LOOK TO ONLY FALL DOWN TO ABOUT 5000-6000 FEET. IF THIS SOLUTION IS CORRECT...WINDS COULD GET RATHER STRONG AND GUSTY OVER THE MOUNTAINS AND DESERTS ON SUNDAY. HOWEVER...THE 06 GFS IS MUCH FARTHER INLAND WITH THIS TROUGH...HAVING IT MOVE THROUGH THE ROCKY MOUNTAINS/GREAT PLAINS AND LEAVING US WITH DRY WEATHER. THUS...CONFIDENCE IS STILL SOMEWHAT LOW FOR THE SUNDAY FORECAST. && .AVIATION... 111600Z...MOSTLY CLEAR AND VFR CONDITIONS WILL PREVAIL TODAY. LOW CLOUDS AND FOG WILL RETURN THIS EVENING TO COASTAL AIRPORTS BETWEEN 04-08Z. BASES WILL BE LOW AROUND 600-900 FEET ASL WITH AREAS VIS AOB 5SM. BASES WILL LIFT A FEW HUNDRED FEET BY 15Z WEDNESDAY...BUT NOT MUCH IF ANY CLEARING WILL HAPPEN AT COASTAL AIRPORTS WEDNESDAY AS STORM SYSTEM APPROACHES. && .MARINE... HIGHEST TIDES OF THE YEAR HAPPEN WEDNESDAY THROUGH FRIDAY BETWEEN 730 AND 930 AM. A SMALL INCREASE IN WIND WAVES AND SURF WILL COMBINE WITH THE TIDES FOR US TO KEEP WATCH FOR POSSIBLE COASTAL FLOODING. WINDS AND SWELL APPEAR TO REMAIN BELOW ADVISORY CRITERIA. A FEW THUNDERSTORMS ARE POSSIBLE THURSDAY AFTERNOON INTO FRIDAY MORNING. && .SGX WATCHES/WARNINGS/ADVISORIES... CA...NONE. PZ...NONE. && PUBLIC...HARRISON AVIATION/MARINE...MM
Hazardous weather outlook, Dec 11, 4:00 AM PST, 9 hours 13 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN DIEGO CA 400 AM PST TUE DEC 11 2012 CAZ042-043-048-050-055>058-060>062-121300- ORANGE COUNTY COASTAL AREAS-SAN DIEGO COUNTY COASTAL AREAS- SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE- SANDIEGO 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- 400 AM PST TUE DEC 11 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ALL OF EXTREME SOUTHWESTERN CALIFORNIA. .DAY ONE...TODAY AND TONIGHT. A FEW PATCHES OF DENSE FOG POSSIBLE THIS MORNING ALONG THE SAN DIEGO COUNTY COAST. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. A COLD LOW PRESSURE SYSTEM WILL BRING MODERATE RAIN...MOUNTAIN SNOW...ISOLATED THUNDERSTORMS...AND GUSTY ONSHORE WINDS WEDNESDAY AFTERNOON THROUGH EARLY FRIDAY. FOR MORE INFORMATION SEE THE SPECIAL WEATHER STATEMENT...LAXSPSSGX. ADDITIONAL WEAKER SYSTEMS MAY BRING LIGHT PRECIPITATION ON SATURDAY AND AGAIN SUNDAY INTO MONDAY MORNING. .SPOTTER INFORMATION STATEMENT... SKYWARN WEATHER ACTIVATION IS NOT REQUESTED FOR THIS AREA...HOWEVER WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS. SS
In the hours before
Special weather statement, Dec 11, 7:43 AM PST, 5 hours 30 minutes before
SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE SAN DIEGO CA 743 AM PST TUE DEC 11 2012 CORRECTED TYPO IN THE RAINFALL SECTION CAZ042-043-048-050-055>058-060>062-120600- 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- 743 AM PST TUE DEC 11 2012 ...COLD LOW PRESSURE SYSTEM FROM THE GULF OF ALASKA FOR LATE WEDNESDAY THROUGH LATE THURSDAY... A COLD LOW PRESSURE SYSTEM FROM THE GULF OF ALASKA IS EXPECTED TO MOVE THROUGH SOUTHWEST CALIFORNIA LATE WEDNESDAY THROUGH LATE THURSDAY. THIS SYSTEM WILL BRING WIDESPREAD RAIN...MOUNTAIN SNOW...AND GUSTY ONSHORE WINDS IN THE MOUNTAINS AND DESERTS. THE BRUNT OF THE PRECIPITATION IS EXPECTED WEDNESDAY NIGHT INTO THURSDAY MORNING. VERY COLD AIR ALOFT MAY CAUSE ISOLATED THUNDERSTORMS TO FORM DURING THE DAY THURSDAY. LIGHT SHOWERS MAY LINGER INTO FRIDAY...MAINLY OVER AND WEST OF THE MOUNTAINS. * RAINFALL: MODERATE AMOUNTS ALONG AND WEST OF THE MOUNTAINS WITH TOTALS RANGING FROM ONE-HALF TO THREE-QUARTERS OF AN INCH IN THE COASTAL AND VALLEY LOCATIONS...TO THREE-QUARTERS TO ONE AND A HALF INCHES ON THE COASTAL MOUNTAIN SLOPES WITH LOCALLY GREATER AMOUNTS. AMOUNTS IN THE DESERTS WILL GENERALLY BE ONE-QUARTER INCH OR LESS. * SNOWFALL: SNOW LEVELS WILL FALL TO AROUND 5000 TO 5500 FT DURING THE DAY THURSDAY...DOWN TO 4000 TO 4500 FEET THURSDAY NIGHT WITH SEVERAL INCHES OF SNOWFALL POSSIBLE ABOVE 5000 FEET. A FEW FLURRIES ARE POSSIBLE IN THE HIGH DESERTS THURSDAY NIGHT...THOUGH NO ACCUMULATION IS EXPECTED. * THUNDERSTORMS: ISOLATED THUNDERSTORMS POSSIBLE THURSDAY. THUNDERSTORMS MAY PRODUCE SMALL HAIL...GUSTY WINDS...BRIEF HEAVY RAIN...AND DANGEROUS CLOUD-TO-GROUND LIGHTNING. * WINDS: SOUTH WINDS 15 TO 25 MPH WITH LOCAL GUSTS TO 45 MPH ON THE RIDGETOPS AND DESERT SLOPES OF THE SAN BERNARDINO MOUNTAINS ON WEDNESDAY. WINDS WILL WEAKEN AND BECOMING SOUTHWEST-TO WEST 10 TO 20 MPH WITH GUSTS TO 30 MPH IN THE MOUNTAINS AND DESERTS WEDNESDAY NIGHT INTO THURSDAY MORNING. * TEMPERATURES: HIGH TEMPERATURES THURSDAY 10 TO 15 DEGREES BELOW SEASONAL AVERAGES. * IMPACTS: SLICK ROADS AND REDUCED VISIBILITY DUE TO RAIN AND SNOW WILL MAKE TRAVEL HAZARDOUS. IN ADDITION...SNOW MAY IMPACT TRAVEL THROUGH THE CAJON PASS THURSDAY NIGHT. IF TRAVELING THROUGH THE MOUNTAINS...CARRY CHAINS AND EXTRA CLOTHING...FOOD...AND WATER. RAIN MAY CAUSE MINOR FLOODING OF ROADWAYS...LOW LYING INTERSECTIONS...AND OTHER POORLY DRAINED AREAS. * OUTLOOK: ADDITIONAL WEAKER SYSTEMS MAY BRING PERIODS OF LIGHT RAIN AND MOUNTAIN SNOW LATE FRIDAY INTO SATURDAY AND AGAIN ON SUNDAY INTO MONDAY MORNING. SS
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 11, 1:13 PM PST | Wind Advisory | SGX | San Bernardino | 33 hr |
| Dec 11, 1:13 PM PST | Winter Storm Warning | SGX | San Bernardino | 14 hr |
Nearby
Winter Weather Advisories in California, 2012Every winter weather advisory 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.