Alert archive / California / Winter Storm Warnings in 2014
Winter Storm Warning 4, NWS San Diego, CA
NWS San Diego, CA issued this winter storm warning at Dec 29, 2014, 1:30 PM PST for 4 counties in California. It took effect at Dec 30, 2014, 4:00 PM PST. It was in force for 18 hr. 26 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
- Dec 29, 2014, 1:30 PM PST (21:30 UTC)
- In effect from
- Dec 30, 2014, 4:00 PM PST
- Expired
- Dec 31, 2014, 10:00 AM PST
- In force
- 18 hr
- Issued by
- NWS San Diego, CA
Counties Orange County, CA, Riverside County, CA, San Bernardino County, CA, San Diego County, CA
The radar
The Santa Ana Mts radar (KSOX), 88 km from the middle of the area, began a volume at 21:32 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 |
|---|---|---|---|
| Dec 30, 4:02 PM PST | HEAVY SNOW 0 | 1 W Big Bear Lake, CA | SNOW AND FOG HAS CREATED TRAFFIC HAZARDS FROM BIG BEAR DAM TO SNOW VALLEY CREATING AT ROAD CLOSURE ROUTE 18. |
| Dec 30, 4:02 PM PST | SNOW 1 | Lake Arrowhead, CA | 5400 FOOT ELEVATION...1 INCH OF SNOW. SNOW FALLING ON THE ROAD EVEN IN THESE AMOUNTS ARE CREATING A MAJOR TRAFFIC PROBLEM IN THE AREA AS ROADS ARE EXTREMELY SLICK WITH CALTRANS REPORTING MULTIPLE ACCIDENTS AND CARS STOPPING IN AND ALONG ROADWAYS TO PUT ON CHAI |
| Dec 30, 10:00 PM PST | HEAVY SNOW 0 | 6 Wsw Lake Elsinore, CA | HIGHWAY PATROL CLOSED ORTEGA HIGHWAY CA ROUTE 74 IN BOTH DIRECTIONS BETWEEN SAN JUAN CAPISTRANO AND LAKE ELSINORE DUE TO HEAVY SNOW. APPROX 50 PEOPLE STRANDED WITHIN THE CLOSURE ZONE. |
| Dec 30, 10:00 PM PST | SNOW 0.5 | Sse Landers (Ar190), CA | YUCCA MESA CO-OP OBSERVER MEASURED 0.5 INCH OF SNOW FROM 5 PM THROUGH 10 PM AT AN ELEVATION OF 3445 FEET. |
| Dec 30, 11:40 PM PST | SNOW 3 | 5 Wsw Lakeland Village, CA | SEVERAL INCHES OF SNOW ON HIGHWAY 74 IN THE SANTA ANA MTNS. CHP ESTIMATED 100 VEHICLES STUCK IN SNOW. EASTBOUND LANES CLOSED. ALSO DOWNED TREES IN ROADWAY. |
| Dec 30, 11:43 PM PST | HEAVY SNOW 2 | 3 Ene Yucca Valley, CA | A TELEVISION REPORTER MEASURED 2 INCHES OF SNOW ON TOP OF PARKED CARS AT A LOCAL DEALERSHIP IN YUCCA VALLEY. |
| Dec 31, 12:15 AM PST | SNOW 1 | 2 Sw Murrieta Hot Spring, CA | SNOW ACCUMULATING ON THE GRASS AND ON VEHICLES. ELEVATION 1228 FEET. |
| Dec 31, 12:15 AM PST | SNOW 6 | 2 W Lake Arrowhead, CA | 6 OF SNOW IN PAST 12 HOURS. |
| Dec 31, 12:56 AM PST | SNOW 3 | 1 Nne Crestline, CA | ROAD CLOSURE - HWY 138 SNOW AND ICE COVERED WITH MANY ACCIDENTS. OVER 100 VEHICLES STRANDED. |
| Dec 31, 1:00 AM PST | SNOW 2 | 3 Ene Yucca Valley, CA | YUCCA VALLEY CO-OP OBSERVER MEASURED 2.0 INCHES OF SNOW FROM 5 PM ON 12/30 THROUGH 1 AM ON 12/31 AT AN ELEVATION OF 3249 FEET. |
| Dec 31, 1:09 AM PST | SNOW 2 | 1 Ssw Rancho Santa Marga, CA | SNOW ACCUMULATING ON AREA ROADS. |
| Dec 31, 1:30 AM PST | SNOW 3 | Murrieta, CA | MODERATE SNOW WITH SEVERAL INCHES COVERING I-15. MULTIPLE CARS PULLED OVER ON SIDE OF FREEWAY. |
| Dec 31, 3:30 AM PST | SNOW 2 | 7 Wsw Pine Valley, CA | SNOWING HEAVILY ON SUNRISE HWY. PLOWS ATTEMPTING TO KEEP ROAD OPEN. |
| Dec 31, 3:30 AM PST | SNOW 6 | 7 Nw Lake Elsinore, CA | 6 INCHES OF SNOW AT 1400 FEET CAUSING WIDESPREAD DAMAGE TO TREES. MANY LIMBS HAVE BROKEN AND ARE ON THE GROUND. |
| Dec 31, 5:00 AM PST | HEAVY SNOW 10 | Wildomar, CA | INTERSTATE 15 SHUTDOWN AT WILDOMAR WITH 8-10 INCHES ESTIMATED REPORT AT ELEVATION ONLY 1400 FT. |
| Dec 31, 5:28 AM PST | SNOW 2 | 1 Sse Wildomar, CA | I-15 IMPACTED BY SNOW. 1-2 AT THE CLINTON KEITH ROAD EXIT. THE BAXTER RD OFFRAMP IS CLOSED DUE TO SNOW ACCUMULATIONS WHERE CARS ARE STUCK IN SNOW. BUNDY CANYON ROAD OFFRAMP IS COMPLETELY SNOWED IN AND SEVERAL VEHICLES ARE STUCK IN THE SNOW. |
| Dec 31, 6:00 AM PST | SNOW 4 | Julian, CA | LIGHT SNOW AT TIME OF OBSERVATION. |
| Dec 31, 6:30 AM PST | SNOW 0.5 | 4 Nw Landers (Ar190), CA | *** 2 INJ *** A VEHICLE ACCIDENT TOOK PLACE NEAR OLD WOMAN SPRINGS ROAD AND RECHE ROAD IN LANDERS DUE TO ICY ROADS WHERE AN AIRSHIP WAS REQUESTED DUE TO INJURIES. |
| Dec 31, 7:45 AM PST | HEAVY SNOW 12 | 2 Ne Pauma Valley, CA | PALOMAR MOUNTAIN OBSERVATORY REPORTED 12 INCHES OF SNOW THIS MORNING. |
| Dec 31, 8:00 AM PST | SNOW 0 | Nipton, CA | SNOW FELL BETWEEN 7 AND 8 AM IN NIPTON AT AN ELEVATION OF 3033 FEET BUT DID NOT ACCUMULATE. |
| Dec 31, 8:00 AM PST | SNOW 2 | 4 W Yucca Valley, CA | *** 1 INJ *** A MAN DRIVING A MID-SIZED SUV EAST ON THE TWENTYNINE PALMS HIGHWAY LOST CONTROL OF HIS VEHICLE ON THE GRADE NEAR HOOPA ROAD AND FLIPPED IT. THE MAN SUFFERED MINOR INJURIES. |
| Dec 31, 8:07 AM PST | HEAVY SNOW 10 | 5 Sw Lake Elsinore, CA | RIV209 - SPOTTER IN EL CARISO VILLAGE REPORTS 10 INCHES OF SNOW WITH TREE DAMAGE AND POWER OUTAGES. |
| Dec 31, 8:53 AM PST | HEAVY SNOW 0 | 5 Nw Crestline, CA | DECEMBER 30-31 2014 BETWEEN 8 PM AND 2 AM HEAVY SNOW COMBINDED WITH WIND AND COLD STRANDED MOTORISTS ALONG HIGHWAY 138 BETWEEN PILOT ROCK ROAD AND OLD MILL ROAD. THIS IS ALONG THE SOUTH SIDE OF SILVERWOOD LAKE AND AROUND CRESTLINE IN SAN BERNARDINO COUNTY CALI |
| Dec 31, 9:42 AM PST | SNOW 2 | 2 Ne Yucca Valley, CA | *** 2 INJ *** AT LEAST TWO PEOPLE HAD MINOR INJURIES DUE TO A VEHICLE ACCIDENT CAUSED BY ICY ROADS NEAR TWENTYNINE PALMS HIGHWAY AND HILTON ROAD. |
| Dec 31, 10:00 AM PST | HEAVY SNOW 2 | Rancho Santa Margarita, CA | |
| Dec 31, 10:00 AM PST | HEAVY SNOW 18 | 4 E Pauma Valley, CA | 18 INCHES STORM TOTAL. MEASURED IN TWO DIFFERENT SPOTS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
San Diego, CA (KNKX), launched 12:00Z, 9.5 hours before the alert went out and 124 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
- 876 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
467 WWUS46 KSGX 292130 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 130 PM PST MON DEC 29 2014 ...LOW ELEVATION SNOW POSSIBLE LATE TUESDAY NIGHT AND WEDNESDAY... .A VERY COLD STORM ORIGINATING FROM CANADA WILL MOVE ACROSS SOUTHERN CALIFORNIA LATE TUESDAY THROUGH WEDNESDAY. SNOW LEVELS WILL FALL RAPIDLY TUESDAY EVENING AND INTO THE OVERNIGHT HOURS...REACHING AROUND 2000 FEET AND MAY BE LOCALLY LOWER. THIS SHOULD BRING SNOW TO THE HIGH DESERT FLOOR IN THE APPLE AND LUCERNE VALLEY AREAS...AROUND YUCAIPA AND BEAUMONT IN THE INLAND EMPIRE...AND NEAR ALPINE IN SAN DIEGO COUNTY. THERE WILL OF COURSE BE SNOW IN ALL OF THE MOUNTAIN AREAS TOO. SNOW SHOWERS WILL TAPER OFF WEDNESDAY AFTERNOON FROM NORTH TO SOUTH. CAZ048-050-055>058-060-300600- /O.UPG.KSGX.WS.A.0003.141231T0000Z-150101T0000Z/ /O.NEW.KSGX.WS.W.0004.141231T0000Z-150101T0000Z/ 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- INCLUDING THE FOLLOWING LOCATIONS...BEAUMONT...YUCAIPA... POTRERO...ANGELUS OAKS...BALDWIN LAKE...BARTON FLATS... BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE...FAWNSKIN... FOREST FALLS...I-15 AT CAJON SUMMIT...I-15 AT 3500 FEET... LAKE ARROWHEAD...MOUNT BALDY...MOUNTAIN HOME VILLAGE...OAK GLEN... PHELAN...RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD...AGUANGA... ANZA...GARNER VALLEY...IDYLLWILD...MOUNTAIN CENTER...PINE COVE... PINYON PINES...VISTA GRANDE...CASE SPRINGS... ORTEGA HIGHWAY AT 2600 FEET...BOULEVARD...CAMERON...CAMPO... CUYAMACA...DESCANSO...JULIAN...LAKE HENSHAW...MORENA VILLAGE... MOUNT LAGUNA...OAK GROVE...PINE HILLS...PINE VALLEY...RANCHITA... SANTA YSABEL...WARNER SPRINGS...ADELANTO...APPLE VALLEY... EL MIRAGE...HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE 130 PM PST MON DEC 29 2014 ...WINTER STORM WARNING IN EFFECT FROM 4 PM TUESDAY TO 4 PM PST WEDNESDAY ABOVE 2000 FEET... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER STORM WARNING ABOVE 2000 FEET FOR HEAVY SNOW AND GUSTY WINDS...WHICH IS IN EFFECT FROM 4 PM TUESDAY TO 4 PM PST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * SNOW LEVELS...FALLING FROM AROUND 4500 FEET IN THE NORTH AND 6000 FEET IN THE SOUTH ON TUESDAY AFTERNOON...TO BETWEEN 2000 AND 2500 FEET OVERNIGHT. LOCALLY LOWER SNOW LEVELS DOWN TO 1000 FEET. * SNOW ACCUMULATIONS...2 TO 7 INCHES IN THE HIGH DESERT. 6 TO 12 INCHES IN THE SAN BERNARDINO MOUNTAINS WITH UP TO 15 INCHES IN THE HIGHER PEAKS. 6 TO 12 INCHES IN THE RIVERSIDE AND SAN DIEGO COUNTY MOUNTAINS. 1 TO 4 INCHES ABOVE 2000 FEET. * TEMPERATURES...VERY COLD TUESDAY NIGHT AND WEDNESDAY NIGHT WITH...TEMPERATURES BOTTOMING OUT IN THE TEENS IN THE HIGH DESERT AND IN THE SINGLE DIGITS IN THE MOUNTAINS. WIND CHILL VALUES MAY FALL BELOW ZERO AT TIMES IN THE MOUNTAINS. * WINDS...OVER THE HIGH DESERTS AND NORTHERN MOUNTAINS...NORTHWEST 20 TO 30 MPH WITH GUSTS TO 50 MPH THROUGH PASSES AND OVER RIDGES TUESDAY EVENING...SHIFTING TO THE NORTH WEDNESDAY MORNING...WITH LOCAL GUSTS UP TO 60 MPH. OVER THE SOUTHERN MOUNTAINS...SOUTHWEST TO WEST 10 TO 20 MPH...WITH GUSTS UP TO 30 MPH. * VISIBILITY...REDUCED TO BELOW ONE-HALF MILE IN SNOW AND BLOWING SNOW. * IMPACTS...MAJOR TRAVEL PROBLEMS POSSIBLE DUE TO SNOW AND ICE. TRAVEL CORRIDORS INCLUDING INTERSTATES 8...10...15...MANY STATE AND COUNTY HIGHWAYS WILL BE IMPACTED WITH DELAYS OR CLOSURES POSSIBLE. 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...EXTRA CLOTHES OR BLANKETS...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ CAZ061-062-300600- /O.NEW.KSGX.WS.W.0004.141231T0000Z-150101T0000Z/ COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS- INCLUDING THE FOLLOWING LOCATIONS...WHITEWATER 130 PM PST MON DEC 29 2014 ...WINTER STORM WARNING IN EFFECT FROM 4 PM TUESDAY TO 4 PM PST WEDNESDAY ABOVE 2000 FEET... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER STORM WARNING ABOVE 2000 FEET FOR HEAVY SNOW AND GUSTY WINDS...WHICH IS IN EFFECT FROM 4 PM TUESDAY TO 4 PM PST WEDNESDAY. * ELEVATION... ABOVE 2000 FEET. * SNOW LEVELS...FALLING FROM 3500 FEET TUESDAY AFTERNOON TO AROUND 2000 FEET TUESDAY NIGHT. * SNOW ACCUMULATIONS...1 TO 4 INCHES. * TIMING...MAINLY LATE TUESDAY NIGHT AND WEDNESDAY. * LOCATIONS INCLUDE: WHITEWATER * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS TO 50 MPH THROUGH PASSES AND OVER RIDGES TUESDAY EVENING...SHIFTING TO THE NORTH WEDNESDAY MORNING...WITH LOCAL GUSTS UP TO 60 MPH. * VISIBILITY...REDUCED TO BELOW ONE-HALF MILE IN SNOW AND BLOWING SNOW. * IMPACTS...MAJOR TRAVEL PROBLEMS POSSIBLE DUE TO SNOW AND ICE. TRAVEL CORRIDORS INCLUDING INTERSTATES 8 AND 10 WILL BE IMPACTED WITH DELAYS OR CLOSURES POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...EXTRA CLOTHES OR BLANKETS...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ PALMER
6 follow-up statements
466 WWUS46 KSGX 300130 AAA WSWSGX URGENT - WINTER WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE SAN DIEGO CA 530 PM PST MON DEC 29 2014 UPDATED IMPACTS SECTION ...LOW ELEVATION SNOW TUESDAY NIGHT AND WEDNESDAY... ..A VERY COLD STORM ORIGINATING FROM CANADA WILL BRING LOW ELEVATION SNOW TO SOUTHERN CALIFORNIA LATE TUESDAY THROUGH WEDNESDAY. SNOW LEVELS WILL FALL RAPIDLY TUESDAY NIGHT TO AROUND 2000 FEET...AND MAY FALL AS LOW AS 1000 FEET IS SOME AREAS. HEAVY SNOW IS LIKELY IN THE MOUNTAINS. SEVERAL INCHES OF SNOW ARE LIKELY IN THE LOWER ELEVATIONS INCLUDING THE APPLE AND LUCERNE VALLEYS. SNOW IS ALSO POSSIBLE IN YUCAIPA AND BEAUMONT IN THE INLAND EMPIRE...AND NEAR ALPINE IN SAN DIEGO COUNTY. SNOW SHOWERS WILL TAPER OFF WEDNESDAY AFTERNOON FROM NORTH TO SOUTH. CAZ048-050-055>058-060>062-301300- /O.CON.KSGX.WS.W.0004.141231T0000Z-150101T0000Z/ 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- INCLUDING THE FOLLOWING LOCATIONS...BEAUMONT...YUCAIPA... POTRERO...ANGELUS OAKS...BALDWIN LAKE...BARTON FLATS... BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE...FAWNSKIN... FOREST FALLS...I-15 AT CAJON SUMMIT...I-15 AT 3500 FEET... LAKE ARROWHEAD...MOUNT BALDY...MOUNTAIN HOME VILLAGE...OAK GLEN... PHELAN...RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD...AGUANGA... ANZA...GARNER VALLEY...IDYLLWILD...MOUNTAIN CENTER...PINE COVE... PINYON PINES...VISTA GRANDE...CASE SPRINGS... ORTEGA HIGHWAY AT 2600 FEET...BOULEVARD...CAMERON...CAMPO... CUYAMACA...DESCANSO...JULIAN...LAKE HENSHAW...MORENA VILLAGE... MOUNT LAGUNA...OAK GROVE...PINE HILLS...PINE VALLEY...RANCHITA... SANTA YSABEL...WARNER SPRINGS...ADELANTO...APPLE VALLEY... EL MIRAGE...HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE... WHITEWATER 530 PM PST MON DEC 29 2014 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM TUESDAY TO 4 PM PST WEDNESDAY ABOVE 2000 FEET... A WINTER STORM WARNING ABOVE 2000 FEET REMAINS IN EFFECT FROM 4 PM TUESDAY TO 4 PM PST WEDNESDAY. * LOCATIONS INCLUDED: ALL MOUNTAINS AND FOOTHILLS ABOVE 2000 FEET. THE HIGHER ELEVATIONS OF THE INLAND EMPIRE AND THE SAN DIEGO VALLEYS. THE LOWER DESERT FOOTHILLS INCLUDING WHITEWATER AT THE NORTHERN END OF THE COACHELLA VALLEY. * LOCATIONS NOT INCLUDED: PALM SPRINGS...INDIO...RANCHO MIRAGE...COACHELLA...THERMAL...BORREGO SPRINGS AND OCOTILLO WELLS. * SNOW LEVELS...FALLING FROM AROUND 4500 FEET IN THE NORTH AND 6000 FEET IN THE SOUTH ON TUESDAY AFTERNOON...TO BETWEEN 2000 AND 2500 FEET OVERNIGHT. LOCALLY LOWER SNOW LEVELS DOWN TO 1000 FEET. * SNOW ACCUMULATIONS...6 TO 12 INCHES IN THE MOUNTAINS ABOVE 3000 FEET WITH THE HIGHEST TOTALS ABOVE 5000 FEET. 1 TO 5 INCHES IN BETWEEN 2000 AND 3000 FEET. 2 TO 7 INCHES IN THE HIGH DESERT. * TEMPERATURES...VERY COLD TUESDAY NIGHT AND WEDNESDAY NIGHT. LOW TEMPERATURES WILL FALL INTO THE 30S AND LOW 40S WEST OF THE MOUNTAINS....AND BOTTOM OUT IN THE TEENS AND LOW 20S IN THE HIGH DESERT. SINGLE DIGIT LOWS ARE LIKELY IN THE MOUNTAINS. WIND CHILL VALUES MAY FALL BELOW ZERO IN THE MOUNTAINS. * WINDS...OVER THE HIGH DESERTS AND NORTHERN MOUNTAINS...NORTHWEST 20 TO 30 MPH WITH GUSTS TO 50 MPH TUESDAY EVENING...SHIFTING TO THE NORTH WEDNESDAY MORNING. IN THE SOUTHERN MOUNTAINS...WEST TO WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH. IN THE INLAND EMPIRE...GUSTY NORTH WINDS OF 15 TO 30 MPH WILL RESULT IN UNUSUALLY LOW WIND CHILL VALUES IN THE 30S TUESDAY NIGHT AND WEDNESDAY MORNING. * VISIBILITY...REDUCED TO BELOW ONE-HALF MILE IN SNOW AND BLOWING SNOW. * IMPACTS...MAJOR TRAVEL PROBLEMS IN THE MOUNTAINS DUE TO SNOW AND ICE. DELAYS OR CLOSURES ARE LIKELY. THE MAJOR TRAVEL CORRIDORS WILL BE IMPACTED INCLUDING I-15 IN THE CAJON PASS AND I-8 THROUGH THE SAN DIEGO COUNTY MOUNTAINS. SNOW IS ALSO POSSIBLE ON I-10 THROUGH THE SAN GORGONIO PASS. MANY STATE AND COUNTY ROADS IN THE MOUNTAINS AND FOOTHILLS WILL BE SNOW AND ICE COVERED. 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...EXTRA CLOTHES OR BLANKETS...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ MOEDE
949 WWUS46 KSGX 301243 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 443 AM PST TUE DEC 30 2014 ...LOW ELEVATION SNOW TONIGHT AND WEDNESDAY... ..A VERY COLD STORM ORIGINATING FROM CANADA WILL BRING LOW ELEVATION SNOW TO SOUTHERN CALIFORNIA TONIGHT THROUGH WEDNESDAY. SNOW LEVELS WILL FALL RAPIDLY TONIGHT TO AROUND 1500 TO 2000 FEET. HEAVY SNOW IS LIKELY IN THE MOUNTAINS. A FEW INCHES OF SNOW ARE LIKELY IN THE LOWER ELEVATIONS INCLUDING THE APPLE AND LUCERNE VALLEYS. SNOW NEAR YUCAIPA AND BEAUMONT IN THE INLAND EMPIRE...NEAR ALPINE IN SAN DIEGO COUNTY. SNOW SHOWERS WILL TAPER OFF WEDNESDAY AFTERNOON FROM NORTH TO SOUTH. CAZ048-050-055>058-060>062-302200- /O.CON.KSGX.WS.W.0004.141231T0000Z-150101T0000Z/ 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- INCLUDING THE FOLLOWING LOCATIONS...BEAUMONT...YUCAIPA... POTRERO...ANGELUS OAKS...BALDWIN LAKE...BARTON FLATS... BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE...FAWNSKIN... FOREST FALLS...I-15 AT CAJON SUMMIT...I-15 AT 3500 FEET... LAKE ARROWHEAD...MOUNT BALDY...MOUNTAIN HOME VILLAGE...OAK GLEN... PHELAN...RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD...AGUANGA... ANZA...GARNER VALLEY...IDYLLWILD...MOUNTAIN CENTER...PINE COVE... PINYON PINES...VISTA GRANDE...CASE SPRINGS... ORTEGA HIGHWAY AT 2600 FEET...BOULEVARD...CAMERON...CAMPO... CUYAMACA...DESCANSO...JULIAN...LAKE HENSHAW...MORENA VILLAGE... MOUNT LAGUNA...OAK GROVE...PINE HILLS...PINE VALLEY...RANCHITA... SANTA YSABEL...WARNER SPRINGS...ADELANTO...APPLE VALLEY... EL MIRAGE...HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE... WHITEWATER 443 AM PST TUE DEC 30 2014 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 PM PST WEDNESDAY ABOVE 2000 FEET... A WINTER STORM WARNING ABOVE 2000 FEET REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 PM PST WEDNESDAY. * LOCATIONS INCLUDED: ALL MOUNTAINS AND FOOTHILLS ABOVE 2000 FEET. THE HIGHER ELEVATIONS OF THE INLAND EMPIRE AND THE SAN DIEGO VALLEYS. THE LOWER DESERT FOOTHILLS INCLUDING WHITEWATER AT THE NORTHERN END OF THE COACHELLA VALLEY. * LOCATIONS NOT INCLUDED: PALM SPRINGS...INDIO...RANCHO MIRAGE...COACHELLA...THERMAL...BORREGO SPRINGS AND OCOTILLO WELLS. * SNOW LEVELS...FALLING TO AROUND 1500 TO 2000 FEET TONIGHT. * SNOW ACCUMULATIONS...1 TO 4 INCHES BETWEEN 2000 TO 3000 FEET INCLUDING THE HIGH DESERT. 5 TO 12 INCHES IN THE HIGHER MOUNTAINS. * TEMPERATURES...VERY COLD TONIGHT AND WEDNESDAY NIGHT. LOW TEMPERATURES WILL FALL INTO THE 20S AND 30S WEST OF THE MOUNTAINS....IN THE TEENS IN THE HIGH DESERT WITH WIND CHILLS IN THE SINGLE DIGITS AT TIMES...AND AROUND ZERO IN THE MOUNTAINS WITH WIND CHILL VALUES BELOW ZERO AT TIMES. * WINDS...OVER THE HIGH DESERTS...NORTHERN MOUNTAINS AND INLAND EMPIRE...WEST TO NORTHWEST 20 TO 30 MPH WITH GUSTS TO 50 MPH THIS EVENING...SHIFTING TO THE NORTH BY WEDNESDAY MORNING. IN THE SOUTHERN MOUNTAINS...WEST 10 TO 20 MPH WITH GUSTS TO 30 MPH. * VISIBILITY...MAY BE REDUCED BELOW ONE-HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...MAJOR TRAVEL PROBLEMS...DELAYS AND CLOSURES POSSIBLE IN THE MOUNTAINS DUE TO SNOW AND ICE. MAJOR TRAVEL CORRIDORS WILL BE IMPACTED INCLUDING I-15 IN THE CAJON PASS AND I-8 THROUGH THE SAN DIEGO COUNTY MOUNTAINS. SNOW ALSO POSSIBLE ON I-10 THROUGH THE SAN GORGONIO PASS. STATE AND COUNTY ROADS IN THE MOUNTAINS AND FOOTHILLS WILL BE SNOW AND ICE COVERED. 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...EXTRA CLOTHES OR BLANKETS...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ JMB
824 WWUS46 KSGX 302115 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 115 PM PST TUE DEC 30 2014 ...LOW ELEVATION SNOW POSSIBLE TONIGHT AND WEDNESDAY MORNING... .A VERY COLD STORM ORIGINATING FROM CANADA WILL BRING LOW ELEVATION SNOW TO SOUTHERN CALIFORNIA TONIGHT AND INTO WEDNESDAY. SNOW LEVELS WILL FALL RAPIDLY TONIGHT TO BETWEEN 1500 AND 2000 FEET. HEAVY SNOW IS LIKELY IN THE MOUNTAINS. A FEW INCHES OF SNOW ARE LIKELY IN THE LOWER ELEVATIONS...INCLUDING THE APPLE AND LUCERNE VALLEYS. SNOW NEAR YUCAIPA AND BEAUMONT IN THE INLAND EMPIRE...NEAR ALPINE IN SAN DIEGO COUNTY. SNOW SHOWERS WILL TAPER OFF DURING THE DAY ON WEDNESDAY FROM NORTH TO SOUTH. CAZ048-050-055>058-060>062-310600- /O.CON.KSGX.WS.W.0004.141231T0000Z-150101T0000Z/ 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- INCLUDING THE FOLLOWING LOCATIONS...BEAUMONT...YUCAIPA... POTRERO...ANGELUS OAKS...BALDWIN LAKE...BARTON FLATS... BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE...FAWNSKIN... FOREST FALLS...I-15 AT CAJON SUMMIT...I-15 AT 3500 FEET... LAKE ARROWHEAD...MOUNT BALDY...MOUNTAIN HOME VILLAGE...OAK GLEN... PHELAN...RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD...AGUANGA... ANZA...GARNER VALLEY...IDYLLWILD...MOUNTAIN CENTER...PINE COVE... PINYON PINES...VISTA GRANDE...CASE SPRINGS... ORTEGA HIGHWAY AT 2600 FEET...BOULEVARD...CAMERON...CAMPO... CUYAMACA...DESCANSO...JULIAN...LAKE HENSHAW...MORENA VILLAGE... MOUNT LAGUNA...OAK GROVE...PINE HILLS...PINE VALLEY...RANCHITA... SANTA YSABEL...WARNER SPRINGS...ADELANTO...APPLE VALLEY... EL MIRAGE...HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE... WHITEWATER 115 PM PST TUE DEC 30 2014 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST WEDNESDAY ABOVE 2000 FEET... A WINTER STORM WARNING ABOVE 2000 FEET REMAINS IN EFFECT UNTIL 4 PM PST WEDNESDAY. * LOCATIONS INCLUDED: ALL MOUNTAINS AND FOOTHILLS ABOVE 2000 FEET. THE HIGHER ELEVATIONS OF THE INLAND EMPIRE AND THE SAN DIEGO VALLEYS. THE LOWER DESERT FOOTHILLS INCLUDING WHITEWATER AT THE NORTHERN END OF THE COACHELLA VALLEY. * LOCATIONS NOT INCLUDED: PALM SPRINGS...INDIO...RANCHO MIRAGE...COACHELLA...THERMAL...BORREGO SPRINGS AND OCOTILLO WELLS. * SNOW LEVELS...4000 TO 5500 FEET THIS AFTERNOON...FALLING TO AROUND 1500 TO 2000 FEET TONIGHT. * SNOW ACCUMULATIONS...6 TO 12 INCHES IN THE MOUNTAINS ABOVE 3000 FEET...WITH THE HIGHEST TOTALS ABOVE 5000 FEET. 1 TO 4 INCHES IN BETWEEN 2000 AND 3000 FEET. 2 TO 6 INCHES IN THE HIGH DESERT. * TEMPERATURES...VERY COLD TONIGHT AND WEDNESDAY NIGHT. LOW TEMPERATURES WILL FALL INTO THE 20S AND 30S WEST OF THE MOUNTAINS....IN THE TEENS IN THE HIGH DESERT WITH WIND CHILLS IN THE SINGLE DIGITS AT TIMES...AND AROUND ZERO IN THE MOUNTAINS WITH WIND CHILL VALUES BELOW ZERO AT TIMES. * WINDS...OVER THE HIGH DESERTS...NORTHERN MOUNTAINS AND INLAND EMPIRE...WEST TO NORTHWEST 20 TO 30 MPH WITH GUSTS TO 50 MPH THIS EVENING...SHIFTING TO THE NORTH BY WEDNESDAY MORNING. IN THE SOUTHERN MOUNTAINS...WEST 10 TO 20 MPH WITH GUSTS TO 30 MPH. * VISIBILITY...MAY BE REDUCED BELOW ONE-HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...MAJOR TRAVEL PROBLEMS...DELAYS AND CLOSURES POSSIBLE IN THE MOUNTAINS DUE TO SNOW AND ICE. MAJOR TRAVEL CORRIDORS WILL BE IMPACTED INCLUDING I-15 IN THE CAJON PASS AND I-8 THROUGH THE SAN DIEGO COUNTY MOUNTAINS. SNOW ALSO POSSIBLE ON I- 10 THROUGH THE SAN GORGONIO PASS. STATE AND COUNTY ROADS IN THE MOUNTAINS AND FOOTHILLS WILL BE SNOW AND ICE COVERED. 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...EXTRA CLOTHES OR BLANKETS...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ PALMER
043 WWUS46 KSGX 310549 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 949 PM PST TUE DEC 30 2014 ...LOW ELEVATION SNOW TONIGHT INTO EARLY WEDNESDAY MORNING... .A VERY COLD STORM ORIGINATING FROM CANADA WILL BRING LOW ELEVATION SNOW TO SOUTHERN CALIFORNIA TONIGHT AND INTO WEDNESDAY. SNOW LEVELS WILL FALL TONIGHT TO AROUND 2000 FEET IN SAN BERNARDINO AND RIVERSIDE COUNTIES AND 2500 FEET IN SAN DIEGO COUNTY. SEVERAL INCHES OF SNOW WILL OCCUR IN THE MOUNTAINS...AND WITH TEMPERATURES WELL BELOW FREEZING...ROADS WILL BE VERY SLICK. A COUPLE INCHES OF SNOW COULD FALL AT LOWER ELEVATIONS...INCLUDING THE APPLE AND LUCERNE VALLEYS...NEAR YUCAIPA AND BEAUMONT IN THE INLAND EMPIRE...AND JUST EAST OF ALPINE IN SAN DIEGO COUNTY. SNOW SHOWERS WILL TAPER OFF EARLY WEDNESDAY MORNING FROM NORTH TO SOUTH...BUT SLICK ROADS COULD CONTINUE INTO THE DAY. CAZ048-050-055>058-060>062-311400- /O.CON.KSGX.WS.W.0004.000000T0000Z-150101T0000Z/ 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- INCLUDING THE FOLLOWING LOCATIONS...BEAUMONT...YUCAIPA... POTRERO...ANGELUS OAKS...BALDWIN LAKE...BARTON FLATS... BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE...FAWNSKIN... FOREST FALLS...I-15 AT CAJON SUMMIT...I-15 AT 3500 FEET... LAKE ARROWHEAD...MOUNT BALDY...MOUNTAIN HOME VILLAGE...OAK GLEN... PHELAN...RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD...AGUANGA... ANZA...GARNER VALLEY...IDYLLWILD...MOUNTAIN CENTER...PINE COVE... PINYON PINES...VISTA GRANDE...CASE SPRINGS... ORTEGA HIGHWAY AT 2600 FEET...BOULEVARD...CAMERON...CAMPO... CUYAMACA...DESCANSO...JULIAN...LAKE HENSHAW...MORENA VILLAGE... MOUNT LAGUNA...OAK GROVE...PINE HILLS...PINE VALLEY...RANCHITA... SANTA YSABEL...WARNER SPRINGS...ADELANTO...APPLE VALLEY... EL MIRAGE...HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE... WHITEWATER 949 PM PST TUE DEC 30 2014 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST WEDNESDAY ABOVE 2000 FEET... A WINTER STORM WARNING ABOVE 2000 FEET REMAINS IN EFFECT UNTIL 4 PM PST WEDNESDAY. * LOCATIONS INCLUDED: ALL MOUNTAINS AND FOOTHILLS ABOVE 2000 FEET. THE HIGHER ELEVATIONS OF THE INLAND EMPIRE AND THE SAN DIEGO VALLEYS. THE LOWER DESERT FOOTHILLS INCLUDING WHITEWATER AT THE NORTHERN END OF THE COACHELLA VALLEY. * LOCATIONS NOT INCLUDED: PALM SPRINGS...INDIO...RANCHO MIRAGE...COACHELLA...THERMAL...BORREGO SPRINGS AND OCOTILLO WELLS IN THE DESERTS. * SNOW LEVELS...FALLING TO 2000 TO 2500 FEET AFTER MIDNIGHT. * SNOW ACCUMULATIONS...4 TO 7 INCHES IN THE MOUNTAINS ABOVE 3000 FEET...WITH THE HIGHEST TOTALS ABOVE 5000 FEET. 1 TO 3 INCHES IN BETWEEN 2000 AND 3000 FEET. 1 TO 3 INCHES IN THE HIGH DESERT. * TEMPERATURES...LOW TEMPERATURES WILL BE AROUND 30 BETWEEN 2000 AND 3000 FEET...IN THE 20S IN THE HIGH DESERT WITH WIND CHILLS IN THE SINGLE DIGITS AT TIMES...AND IN THE TEENS IN THE HIGHER MOUNTAINS WITH WIND CHILL VALUES BELOW ZERO AT TIMES. * WINDS...OVER THE HIGH DESERTS...NORTHERN MOUNTAINS AND INLAND EMPIRE...NORTHEAST 20 TO 30 MPH WITH GUSTS TO 50 MPH. IN THE SOUTHERN MOUNTAINS...WEST 10 TO 20 MPH WITH GUSTS TO 30 MPH. * VISIBILITY...MAY BE REDUCED BELOW ONE-HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...MAJOR TRAVEL PROBLEMS...DELAYS AND CLOSURES POSSIBLE IN THE MOUNTAINS DUE TO SNOW AND ICE. MAJOR TRAVEL CORRIDORS WILL BE IMPACTED INCLUDING I-15 IN THE CAJON PASS AND I-8 THROUGH THE SAN DIEGO COUNTY MOUNTAINS. SNOW ALSO POSSIBLE ON I-10 THROUGH THE SAN GORGONIO PASS. STATE AND COUNTY ROADS IN THE MOUNTAINS AND FOOTHILLS WILL BE SNOW AND ICE COVERED. 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...EXTRA CLOTHES OR BLANKETS...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ MAXWELL
629 WWUS46 KSGX 310942 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 142 AM PST WED DEC 31 2014 ...LOW ELEVATION SNOW THROUGH MID MORNING... .A VERY COLD STORM ORIGINATING FROM CANADA WILL CONTINUE TO BRING LOW ELEVATION SNOW TO SOUTHERN CALIFORNIA THROUGH MID MORNING. ACCUMULATING SNOW IS POSSIBLE DOWN TO AROUND 1300 FT IN THE INLAND EMPIRE...AND AROUND 2000 FT IN SAN DIEGO COUNTY. SEVERAL INCHES OF SNOW WILL FALL IN THE MOUNTAINS...AND WITH TEMPERATURES WELL BELOW FREEZING...ROADS WILL BE VERY SLICK. TWO TO FOUR INCHES OF SNOW COULD FALL AT LOWER ELEVATIONS... INCLUDING THE APPLE AND LUCERNE VALLEYS...AND ABOVE 1500 FT IN THE INLAND EMPIRE...AND JUST EAST OF ALPINE IN SAN DIEGO COUNTY. SNOW SHOWERS WILL TAPER OFF EARLY WEDNESDAY MORNING FROM NORTH TO SOUTH...BUT SLICK ROADS COULD CONTINUE INTO THE DAY. CAZ048-050-055>058-060>062-311800- /O.EXT.KSGX.WS.W.0004.000000T0000Z-141231T1800Z/ 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- INCLUDING THE FOLLOWING LOCATIONS...BEAUMONT...CORONA...HEMET... LAKE ELSINORE...MENIFEE VALLEY...MORENO VALLEY...MURRIETA... PERRIS...REDLANDS...RIVERSIDE...YUCAIPA...POTRERO... ANGELUS OAKS...BALDWIN LAKE...BARTON FLATS...BIG BEAR CITY... BIG BEAR LAKE...CRESTLINE...FAWNSKIN...FOREST FALLS... I-15 AT CAJON SUMMIT...I-15 AT 3500 FEET...LAKE ARROWHEAD... MOUNT BALDY...MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN... RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD...AGUANGA...ANZA... GARNER VALLEY...IDYLLWILD...MOUNTAIN CENTER...PINE COVE... PINYON PINES...VISTA GRANDE...CASE SPRINGS...EL CARISO... ORTEGA HIGHWAY AT 2600 FEET...SANTA ROSA PLATEAU...SILVERADO... BOULEVARD...CAMERON...CAMPO...CUYAMACA...DESCANSO...JULIAN... LAKE HENSHAW...MORENA VILLAGE...MOUNT LAGUNA...OAK GROVE... PINE HILLS...PINE VALLEY...RANCHITA...SANTA YSABEL... WARNER SPRINGS...ADELANTO...APPLE VALLEY...EL MIRAGE... HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE...WHITEWATER 142 AM PST WED DEC 31 2014 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 AM PST THIS MORNING... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 10 AM PST THIS MORNING. * LOCATIONS INCLUDED: ALL MOUNTAINS AND FOOTHILLS...THE INLAND EMPIRE ABOVE 1300 FT...THE SAN DIEGO COUNTY VALLEYS ABOVE 2000 FT. THE HIGHER ELEVATIONS OF THE INLAND EMPIRE AND THE SAN DIEGO VALLEYS...AND THE LOWER DESERT FOOTHILLS INCLUDING WHITEWATER IN THE NORTHERN COACHELLA VALLEY. * LOCATIONS NOT INCLUDED: PALM SPRINGS...INDIO...RANCHO MIRAGE...COACHELLA...THERMAL...BORREGO SPRINGS AND OCOTILLO WELLS IN THE DESERTS. * SNOW LEVELS...FALLING TO 2000 TO 2500 FEET AFTER MIDNIGHT...LOCALLY DOWN TO 1300 FT IN THE INLAND EMPIRE. * SNOW ACCUMULATIONS...4 TO 7 INCHES IN THE MOUNTAINS ABOVE 3000 FEET...WITH THE HIGHEST TOTALS ABOVE 5000 FEET. 2 TO 4 INCHES IN BETWEEN 2000 AND 3000 FEET IN THE MOUNTAINS AND FOOTHILLS AND ABOVE 1500 FT IN THE INLAND EMPIRE. 1 TO 3 INCHES IN THE HIGH DESERT AND BETWEEN 1300 TO 1500 FT IN THE INLAND EMPIRE. * TEMPERATURES...LOW TEMPERATURES WILL BE AROUND 30 BETWEEN 2000 AND 3000 FEET...IN THE 20S IN THE HIGH DESERT WITH WIND CHILLS IN THE SINGLE DIGITS AT TIMES...AND IN THE TEENS IN THE HIGHER MOUNTAINS WITH WIND CHILL VALUES BELOW ZERO AT TIMES. * WINDS...OVER THE HIGH DESERTS...NORTHERN MOUNTAINS AND INLAND EMPIRE...NORTHEAST 20 TO 30 MPH WITH GUSTS TO 50 MPH. IN THE SOUTHERN MOUNTAINS...WEST 10 TO 20 MPH WITH GUSTS TO 30 MPH. * VISIBILITY...MAY BE REDUCED BELOW ONE-HALF MILE AT TIMES IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...MAJOR TRAVEL IMPACTS...DELAYS AND CLOSURES POSSIBLE IN THE MOUNTAINS DUE TO SNOW AND ICE. MAJOR TRAVEL CORRIDORS WILL BE IMPACTED INCLUDING I-15 IN THE CAJON PASS AND I-8 THROUGH THE SAN DIEGO COUNTY MOUNTAINS. LIGHT SNOW ALSO POSSIBLE ON I-10 THROUGH THE SAN GORGONIO PASS...AND PORTIONS OF I-15 AND I-215 IN THE INLAND EMPIRE. STATE AND COUNTY ROADS IN THE MOUNTAINS AND FOOTHILLS WILL BE SNOW AND ICE COVERED. 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...EXTRA CLOTHES OR BLANKETS...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ SS
274 WWUS46 KSGX 311745 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 945 AM PST WED DEC 31 2014 ...LINGERING SNOW SHOWERS POSSIBLE THROUGH THIS AFTERNOON... .AS THIS COLD WINTER STORM SLOWLY MOVES EAST TODAY...A FEW RESIDUAL SNOW SHOWERS WILL BE POSSIBLE. HOWEVER...ACCUMULATIONS WILL BE LIGHT AND SPOTTY. CAZ048-050-055>058-060>062-311845- /O.EXP.KSGX.WS.W.0004.000000T0000Z-141231T1800Z/ 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- INCLUDING THE FOLLOWING LOCATIONS...BEAUMONT...CORONA...HEMET... LAKE ELSINORE...MENIFEE VALLEY...MORENO VALLEY...MURRIETA... PERRIS...REDLANDS...RIVERSIDE...YUCAIPA...POTRERO... ANGELUS OAKS...BALDWIN LAKE...BARTON FLATS...BIG BEAR CITY... BIG BEAR LAKE...CRESTLINE...FAWNSKIN...FOREST FALLS... I-15 AT CAJON SUMMIT...I-15 AT 3500 FEET...LAKE ARROWHEAD... MOUNT BALDY...MOUNTAIN HOME VILLAGE...OAK GLEN...PHELAN... RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD...AGUANGA...ANZA... GARNER VALLEY...IDYLLWILD...MOUNTAIN CENTER...PINE COVE... PINYON PINES...VISTA GRANDE...CASE SPRINGS...EL CARISO... ORTEGA HIGHWAY AT 2600 FEET...SANTA ROSA PLATEAU...SILVERADO... BOULEVARD...CAMERON...CAMPO...CUYAMACA...DESCANSO...JULIAN... LAKE HENSHAW...MORENA VILLAGE...MOUNT LAGUNA...OAK GROVE... PINE HILLS...PINE VALLEY...RANCHITA...SANTA YSABEL... WARNER SPRINGS...ADELANTO...APPLE VALLEY...EL MIRAGE... HELENDALE...HESPERIA...LUCERNE VALLEY...VICTORVILLE...WHITEWATER 945 AM PST WED DEC 31 2014 ...WINTER STORM WARNING WILL EXPIRE AT 10 AM PST THIS MORNING... THE WINTER STORM WARNING WILL EXPIRE AT 10 AM PST THIS MORNING. RADAR IMAGERY SHOWS ONLY ISOLATED TO SCATTERED SHOWERS LINGERING ACROSS THE REGION THIS MORNING. THEREFORE...THE WINTER STORM WARNING WILL EXPIRE AT 10 AM. HOWEVER...LOCAL ACCUMULATIONS WILL CONTINUE TO BE POSSIBLE...MAINLY IN THE UPSLOPE AREAS OF THE SAN BERNARDINO MOUNTAINS NEAR BIG BEAR AND THE SAN DIEGO COUNTY MOUNTAINS. ROADS WILL REMAIN ICY AND SLICK INTO THE AFTERNOON...AND POTENTIALLY INTO TONIGHT IN PLACES. $$ PALMER
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS San Diego, CA wrote its last area forecast discussion before this winter storm warning went out at Dec 29, 9:40 AM PST, 3 hours 50 minutes earlier.
Area forecast discussion, Dec 29, 9:40 AM PST, 3 hours 50 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
940 AM PST MON DEC 29 2014
.SYNOPSIS...
ANOTHER UNSEASONABLY COOL DAY WILL PREVAIL ACROSS SOUTHERN
CALIFORNIA TODAY. HOWEVER...EVEN COLDER CONDITIONS AS WELL AS
UNSETTLED WEATHER ARE POSSIBLE FOR THE NEXT FEW DAYS...AS A VERY
COLD AND POTENT STORM SYSTEM DIGS OVER THE REGION. RAIN AND VERY
LOW ELEVATION SNOW WILL DEVELOP ON TUESDAY....AND CONTINUE THROUGH
WEDNESDAY NIGHT. EVEN ISOLATED THUNDERSTORMS MAY BE POSSIBLE NEAR
THE COAST. DRIER CONDITIONS WILL DEVELOP FOR THE LATTER PART OF THE
WORK WEEK...BUT VERY COLD CONDITIONS WILL REMAIN. A GRADUAL WARMING
TREND WILL BE POSSIBLE NEXT WEEKEND.
&&
.DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE...
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...
WATER VAPOR IMAGERY SHOWS A COLD TROUGH OF LOW PRESSURE DOMINATING
MUCH OF THE LOWER 48 THIS MORNING...WITH SOUTHERN CALIFORNIA UNDER
VERY DRY NORTHWESTERLY FLOW ALOFT. WATER VAPOR IMAGERY ALSO SHOWS A
DISTURBANCE MOVING DOWN THE BACK SIDE OF THE TROUGH...ACROSS EASTERN
WASHINGTON AND OREGON THIS MORNING...WHICH WILL BECOME OF BIG
WEATHER STORY FOR THE NEXT FEW DAYS. IN THE MEAN TIME...JUST
STARTING OFF WITH ANOTHER CHILLY MORNING AND A FEW LOW CLOUDS UP IN
ORANGE COUNTY. OTHERWISE...EXPECT PREDOMINATELY SUNNY SKIES
TODAY...AND TEMPERATURES RUNNING SIMILAR TO OR SLIGHTLY WARMER THAN
YESTERDAY.
THE REAL FOCUS OF THE FORECAST THOUGH IS WITH THIS DISTURBANCE
CURRENT OVER EASTERN WASHINGTON AND OREGON. THIS SYSTEM WILL DIVE
ACROSS THE GREAT BASIN TONIGHT AND DURING THE DAY ON
TUESDAY...BEFORE FORMING A CUTOFF LOW OVER SOUTHERN CALIFORNIA
TUESDAY NIGHT AND WEDNESDAY. THIS WILL BE AN EXTREMELY COLD
SYSTEM...PULLING AIR SOUTH FROM CANADA. TEMPERATURES ARE 850 MB
FALL FROM BETWEEN 7 AND 10 DEGREES TODAY TO AROUND ZERO ON TUESDAY
AND TO BETWEEN -2 AND -5 DEGREES BY WEDNESDAY. TEMPERATURES AT 700
MBS WILL ALSO FALL TO BETWEEN -11 AND -14 ON TUESDAY NIGHT...WHICH
MEANS THAT SNOW LEVELS ALSO FALL TO EXTREMELY LOW LEVELS. IN THE
HIGH DESERT...SNOW LEVELS WILL LIKELY BE DOWN TO THE SURFACE...WITH
SNOW LEVELS WEST OF THE MOUNTAINS FALLING TO BETWEEN 2000 AND 2500
FEET. THE REAL QUESTION WITH THIS SYSTEM WILL BE WITH THE
MOISTURE. AT THIS TIME...THE MODEL CROSS SECTIONS SHOW LIMITED
MOISTURE. WEST OF THE MOISTURE APPEARS TO BE MOSTLY MARINE LAYER
DRIVEN...EVEN THOUGH IT DEEPENS TO AROUND 10000 FEET. IN THE HIGH
DESERTS...THERE IS A DECENT AMOUNT OF MOISTURE ON TUESDAY AND
TUESDAY NIGHT BETWEEN 850 AND 550 MBS...BUT THE COLD AIR QUICKLY
RINGS OUT ANY MOISTURE AVAILABLE. FOR NOW...THINK THE WINTER STORM
WATCHES LOOK ON TRACK...AND WILL AWAIT THE REST OF THE 12Z RUNS
BEFORE DECIDING WHAT TO DO WITH THEM. THAT BEING SAID...IT APPEARS
THAT OUR PRECIPITATION WILL DEVELOP DURING THE DAY ON TUESDAY...AND
CONTINUE FOR MOST AREAS THROUGH WEDNESDAY. ISOLATED THUNDERSTORMS
WILL ALSO BE POSSIBLE...EVEN THOUGH MOST LIKELY LIMITED TO THE
COASTAL WATERS AND AREAS NEAR THE IMMEDIATE COAST.
AS THIS SYSTEM SHIFTS EAST ON THURSDAY AND FRIDAY...SOUTHERN
CALIFORNIA WILL REMAIN UNDER DRY NORTHERLY FLOW ALOFT. THIS WILL
KEEP VERY COOL CONDITIONS PREVAILING ACROSS THE REGION THROUGH
FRIDAY. HIGH PRESSURE WILL START TO BUILD INTO CALIFORNIA FOR THE
WEEKEND AND EARLY NEXT WEEK...WITH DRY AND WARMER CONDITIONS
DEVELOPING THROUGH EARLY NEXT WEEK.
&&
.AVIATION...
291635Z...VFR WITH SCT CLOUDS NEAR 2000 FT MSL THROUGH 300000Z.
AFT 300000Z...AREAS OF BKN CIGS 2000 FT MSL WITH HIGHER LAYERS
DEVELOPING THROUGH 4000 FT MSL MONDAY NIGHT AND SPREADING INLAND TO
THE COASTAL SLOPES BY 301200Z. TUESDAY WILL HAVE INCREASING CLOUDS
AND LOWERING CEILINGS WITH A CHANCE OF SHOWERS BY 310000Z MOST
LOCATIONS.
&&
.MARINE...
8 AM...NO MARINE CONCERNS THROUGH MONDAY NIGHT. WINDS WILL INCREASE
TUESDAY AHEAD OF A COLD WINTER STORM THAT WILL BRING SCATTERED
SHOWERS AND A CHANCE FOR THUNDERSTORMS TUESDAY NIGHT. HEAVY ICE PELLET
SHOWERS AND ISOLATED WATERSPOUTS ARE POSSIBLE WITH THUNDERSTORMS.
ONSHORE FLOW WILL INCREASE TO NEAR 15-20 KT TUE AFTERNOON/EVENING...
TURNING FROM THE NORTH OVERNIGHT INTO WEDNESDAY MORNING. A SMALL CRAFT
ADVISORY MAY BE NEEDED FOR THIS PERIOD...BUT CONFIDENCE NOT HIGH
ENOUGH AT THIS TIME...AND WINDS ARE MARGINAL.
&&
.SKYWARN...
SKYWARN ACTIVATION WILL NOT BE NEEDED TODAY.
&&
.SGX WATCHES/WARNINGS/ADVISORIES...
CA...WINTER STORM WATCH FROM TUESDAY AFTERNOON THROUGH WEDNESDAY
AFTERNOON FOR THE APPLE AND LUCERNE VALLEYS...RIVERSIDE
COUNTY MOUNTAINS...SAN BERNARDINO COUNTY MOUNTAINS...SAN
DIEGO COUNTY MOUNTAINS.
WINTER STORM WATCH FROM TUESDAY AFTERNOON THROUGH WEDNESDAY
AFTERNOON ABOVE 2000 FEET FOR THE SAN BERNARDINO AND
RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE...SAN DIEGO
COUNTY VALLEYS...SANTA ANA MOUNTAINS AND FOOTHILLS.
PZ...NONE.
&&
PUBLIC...PALMER
AVIATION/MARINE...PIERCENearby
Winter Storm Warnings in California, 2014Every winter storm warning in 2014
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.