Alert archive / California / Winter Storm Warnings in 2013
Winter Storm Warning 5, NWS San Diego, CA
NWS San Diego, CA issued this winter storm warning at Nov 20, 2013, 2:11 PM PST for Riverside County, San Bernardino County, California. It took effect at Nov 21, 2013, 4:00 PM PST. It was in force for 43 hr. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Nov 20, 2013, 2:11 PM PST (22:11 UTC)
- In effect from
- Nov 21, 2013, 4:00 PM PST
- Expired
- Nov 23, 2013, 11:01 AM PST
- In force
- 43 hr
- Issued by
- NWS San Diego, CA
The radar
The Santa Ana Mts radar (KSOX), 152 km from the middle of the area, began a volume at 22:12 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 |
|---|---|---|---|
| Nov 22, 9:44 PM PST | SNOW 9 | Wrightwood, CA | SNOW TOTAL OF 9.0 THROUGH 9 PM FRIDAY. LIGHT SNOW AT TIME OF OBSERVATION. |
| Nov 22, 9:50 PM PST | SNOW 9 | 1 Nw Idyllwild-Pine Cove, CA | TOTAL SNOW OF 9 INCHES THROUGH 9 PM. SNOW DURATION 9 HOURS |
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, 10.2 hours before the alert went out and 195 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 8 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 531 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
397 WWUS46 KSGX 202211 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 211 PM PST WED NOV 20 2013 ...MODERATE TO LOCALLY HEAVY SNOW POSSIBLE ABOVE 5000 FT THU EVENING THROUGH SATURDAY EVENING... .A LOW PRESSURE SYSTEM MOVING DOWN THE CA COAST WILL CREATE PERIODS OF LIGHT TO MODERATE SNOW SHOWERS LATE TONIGHT THROUGH SUNDAY MORNING. THE SNOW LEVEL WILL BEGIN AROUND 7500 FT...LOWERING TO 6500 FT LATE THU MORNING...AND TO AROUND 5000 FT BY FRI MORNING. SNOW AMOUNTS WILL BE HIGHLY VARIABLE AS MOST OF THE SNOW WILL BE IN THE FORM OF SHOWERS. FOR FRIDAY MORNING INTO SUNDAY...THE FOCUS OF THE SNOWFALL WILL BE ON THE NORTHERN AND EASTERN SLOPES OF THE MOUNTAINS AS MOISTURE WRAPS AROUND THE NORTH SIDE OF THE LOW. THIS INCLUDES LOCATIONS SUCH AS BIG BEAR AND THE PALM SPRING TRAMWAY. SNOWFALL DURING THIS PERIOD WILL HIGHLY DEPEND ON THE POSITION OF THE LOW AND THE AMOUNT OF MOISTURE THAT MAKES IT AROUND THE LOW. CAZ055-056-210600- /O.UPG.KSGX.WS.A.0003.131121T1800Z-131124T1100Z/ /O.NEW.KSGX.WS.W.0005.131122T0000Z-131124T0600Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD...IDYLLWILD...PINE COVE 211 PM PST WED NOV 20 2013 ...WINTER STORM WARNING IN EFFECT FROM 4 PM THURSDAY TO 10 PM PST SATURDAY ABOVE 5000 FEET... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER STORM WARNING ABOVE 5000 FEET FOR MODERATE TO LOCALLY HEAVY SNOW...WHICH IS IN EFFECT FROM 4 PM THURSDAY TO 10 PM PST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * ELEVATION...ABOVE 5000 FT. * SNOW LEVELS...6500 FT LATE THURSDAY MORNING...LOWERING TO 5000 FT BY FRIDAY MORNING. * SNOW ACCUMULATIONS...5 TO 9 INCHES...LOCALLY AS HIGH AS 15 INCHES. * TIMING...PERIODS OF SNOWFALL THURSDAY MORNING THROUGH EARLY SUNDAY MORNING. * LOCATIONS INCLUDE: IDYLLWILD...PINE COVE...ANGELUS OAKS... BALDWIN LAKE...BARTON FLATS...BIG BEAR CITY... BIG BEAR LAKE...FAWNSKIN...FOREST FALLS...LAKE ARROWHEAD... MOUNT BALDY...RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD * WINDS...SOUTHWEST WINDS 15 TO 20 MPH...WITH GUSTS TO 35 MPH TONIGHT THROUGH THU MORNING...BECOMING NORTHEAST 15 TO 20 MPH WITH GUSTS TO 35 MPH LATE FRI MORNING THROUGH SAT MORNING. * VISIBILITY...LOCALLY REDUCED TO 1 MILE OR LESS IN SNOW... BLOWING SNOW...AND FOG. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS IN THE MOUNTAINS DUE TO SLICK ROADS AND REDUCED VISIBILITY. THIS WEATHER COULD BE DEADLY FOR UNPREPARED CAMPERS AND HIKERS. 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. && $$ JJT
9 follow-up statements
834 WWUS46 KSGX 210603 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 1003 PM PST WED NOV 20 2013 ...MODERATE TO LOCALLY HEAVY SNOW POSSIBLE ABOVE 5000 FT THURSDAY EVENING THROUGH SATURDAY EVENING... .A LOW PRESSURE SYSTEM MOVING DOWN THE CA COAST WILL CREATE PERIODS OF LIGHT TO MODERATE SNOW THROUGH SUNDAY MORNING. THE SNOW LEVEL WILL LOWER TO 6500 FT THURSDAY MORNING...AND TO AROUND 5000 FT BY FRIDAY MORNING. STEADY SNOW TONIGHT AND THURSDAY MORNING WILL CHANGE OVER THE SNOW SHOWERS THURSDAY AFTERNOON. THEN FROM FRIDAY INTO SUNDAY...THE FOCUS OF THE SNOWFALL WILL BE ON THE NORTHERN AND EASTERN SLOPES OF THE MOUNTAINS AS MOISTURE WRAPS AROUND THE NORTH SIDE OF THE LOW. THIS INCLUDES THE CITY OF BIG BEAR...THE PALM SPRING TRAMWAY AND MOUNT SAN JACINTO. SNOWFALL DURING THIS PERIOD WILL HIGHLY DEPEND ON THE POSITION OF THE LOW AND THE AMOUNT OF MOISTURE THAT MAKES IT AROUND THE LOW. CAZ055-056-211400- /O.CON.KSGX.WS.W.0005.131122T0000Z-131124T0600Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD...IDYLLWILD...PINE COVE 1003 PM PST WED NOV 20 2013 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THURSDAY TO 10 PM PST SATURDAY ABOVE 5000 FEET... A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT FROM 4 PM THURSDAY TO 10 PM PST SATURDAY. * ELEVATION...ABOVE 5000 FT. * SNOW LEVELS...6500 FT LATE THURSDAY MORNING...LOWERING TO 5000 FT BY FRIDAY MORNING. * SNOW ACCUMULATIONS...5 TO 9 INCHES...LOCALLY AS HIGH AS 15 INCHES. * TIMING...PERIODS OF SNOWFALL THURSDAY MORNING THROUGH EARLY SUNDAY MORNING. * LOCATIONS INCLUDE: IDYLLWILD...PINE COVE...ANGELUS OAKS... BALDWIN LAKE...BARTON FLATS...BIG BEAR CITY... BIG BEAR LAKE... FAWNSKIN...FOREST FALLS...LAKE ARROWHEAD... MOUNT BALDY... RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD * WINDS...SOUTHWEST WINDS 15 TO 20 MPH...WITH GUSTS TO 35 MPH THROUGH THU MORNING...BECOMING NORTHEAST 15 TO 20 MPH WITH GUSTS TO 35 MPH LATE FRI MORNING THROUGH SAT MORNING. * VISIBILITY...REDUCED TO 1 MILE OR LESS IN SNOW... BLOWING SNOW...AND FOG. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS IN THE MOUNTAINS DUE TO SLICK ROADS AND REDUCED VISIBILITY. THIS WEATHER COULD BE DEADLY FOR UNPREPARED CAMPERS AND HIKERS. 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. && $$ MOEDE
416 WWUS46 KSGX 211256 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 456 AM PST THU NOV 21 2013 ...MODERATE TO LOCALLY HEAVY SNOW POSSIBLE ABOVE 5000 FT THURSDAY EVENING THROUGH SATURDAY EVENING... .A LOW PRESSURE SYSTEM MOVING DOWN THE CA COAST WILL BRING PERIODS OF LIGHT TO MODERATE SNOW SHOWERS THROUGH SUNDAY MORNING. THE SNOW LEVEL WILL LOWER TO 6500 FT LATER THIS MORNING...AND TO AROUND 5000 FT BY FRIDAY. FOR FRIDAY INTO SUNDAY...THE FOCUS OF THE SNOWFALL WILL BE ON THE NORTHERN AND EASTERN SLOPES OF THE MOUNTAINS AS MOISTURE WRAPS AROUND THE NORTH SIDE OF THE LOW. THIS INCLUDES THE CITY OF BIG BEAR...THE PALM SPRING TRAMWAY AND MOUNT SAN JACINTO. SNOWFALL ACCUMULATIONS DURING THIS PERIOD WILL HIGHLY DEPEND ON THE POSITION OF THE LOW AND THE AMOUNT OF MOISTURE THAT MAKES IT AROUND THE LOW. CAZ055-056-212200- /O.CON.KSGX.WS.W.0005.131122T0000Z-131124T0600Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD...IDYLLWILD...PINE COVE 456 AM PST THU NOV 21 2013 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 PM PST SATURDAY ABOVE 5000 FEET... A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 PM PST SATURDAY. * ELEVATION...ABOVE 5000 FT. * SNOW LEVELS...6500 FT LATE THIS MORNING...LOWERING TO 5000 FT BY FRIDAY. * SNOW ACCUMULATIONS...5 TO 9 INCHES...LOCAL ACCUMULATIONS UP TO 15 INCHES. * TIMING...PERIODS OF SNOW THROUGH EARLY SUNDAY MORNING. * LOCATIONS INCLUDE: IDYLLWILD...PINE COVE...ANGELUS OAKS... BALDWIN LAKE...BARTON FLATS...BIG BEAR CITY... BIG BEAR LAKE... FAWNSKIN...FOREST FALLS...LAKE ARROWHEAD... MOUNT BALDY... RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD * WINDS...SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO 35 MPH THIS MORNING...BECOMING NORTHEAST 15 TO 20 MPH WITH GUSTS TO 35 MPH LATE FRI MORNING THROUGH SAT MORNING. * VISIBILITY...REDUCED TO 1 MILE OR LESS IN SNOW... BLOWING SNOW...AND FOG. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS IN THE MOUNTAINS DUE TO SLICK ROADS AND REDUCED VISIBILITY. THIS WEATHER COULD BE DEADLY FOR UNPREPARED CAMPERS AND HIKERS. 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. && $$ SS
063 WWUS46 KSGX 212138 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 138 PM PST THU NOV 21 2013 ...MODERATE TO LOCALLY HEAVY SNOW POSSIBLE ABOVE 5000 FT THIS EVENING THROUGH SATURDAY EVENING... .A LOW PRESSURE SYSTEM MOVING OVER SW CA WILL CREATE PERIODS OF LIGHT TO MODERATE SNOW SHOWERS THROUGH SATURDAY EVENING. THE SNOW LEVEL WILL LOWER TO 6500 FT LATER THIS AFTERNOON...AND TO AROUND 5000 FT BY FRIDAY. FRIDAY THROUGH SUNDAY...GREATEST SNOWFALL AMOUNTS WILL BE ON THE NORTHERN AND EASTERN SLOPES OF THE MOUNTAINS AS MOISTURE WRAPS AROUND THE NORTH SIDE OF THE LOW. SNOWFALL ACCUMULATIONS DURING THIS PERIOD WILL HIGHLY DEPEND ON THE POSITION OF THE LOW AND WHERE HEAVIER SHOWERS DEVELOP. CAZ055-056-220600- /O.CON.KSGX.WS.W.0005.131122T0000Z-131124T0600Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD...IDYLLWILD...PINE COVE 138 PM PST THU NOV 21 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST SATURDAY ABOVE 5000 FEET... A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 10 PM PST SATURDAY. * ELEVATION...ABOVE 5000 FT. * SNOW LEVELS...6500 FT LATE THIS AFTERNOON...LOWERING TO 5000 FT BY FRIDAY. * SNOW ACCUMULATIONS...6 TO 10 INCHES...LOCAL ACCUMULATIONS UP TO 16 INCHES. * TIMING...PERIODS OF SNOW THROUGH EARLY SUNDAY MORNING. * LOCATIONS INCLUDE: IDYLLWILD...PINE COVE...ANGELUS OAKS... BALDWIN LAKE...BARTON FLATS...BIG BEAR CITY... BIG BEAR LAKE... FAWNSKIN...FOREST FALLS...LAKE ARROWHEAD... MOUNT BALDY... RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD * WINDS...SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH THIS AFTERNOON...BECOMING NORTHEAST 15 TO 20 MPH WITH GUSTS TO 35 MPH LATE FRI MORNING THROUGH SAT MORNING. * VISIBILITY...REDUCED TO 1 MILE OR LESS IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS IN THE MOUNTAINS DUE TO SLICK ROADS AND REDUCED VISIBILITY. THIS WEATHER COULD BE DEADLY FOR UNPREPARED CAMPERS AND HIKERS. 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. && $$ JJT
272 WWUS46 KSGX 220505 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 905 PM PST THU NOV 21 2013 ...MODERATE TO LOCALLY HEAVY SNOW POSSIBLE ABOVE 5000 FEET THROUGH SATURDAY EVENING... .A LOW PRESSURE SYSTEM MOVING OVER SOUTHERN CALIFORNIA WILL CREATE PERIODS OF LIGHT TO MODERATE SNOW SHOWERS THROUGH SATURDAY EVENING. THE SNOW LEVEL AROUND 6500 FEET THIS EVENING WILL LOWER TO AROUND 5000 FT BY FRIDAY. FRIDAY THROUGH SUNDAY...GREATEST SNOWFALL AMOUNTS WILL BE ON THE NORTHERN AND EASTERN SLOPES OF THE MOUNTAINS AS MOISTURE WRAPS AROUND THE NORTH SIDE OF THE LOW. SNOWFALL ACCUMULATIONS DURING THIS PERIOD WILL HIGHLY DEPEND ON THE POSITION OF THE LOW AND WHERE HEAVIER SHOWERS DEVELOP. CAZ055-056-221330- /O.CON.KSGX.WS.W.0005.000000T0000Z-131124T0600Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD...IDYLLWILD...PINE COVE 905 PM PST THU NOV 21 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST SATURDAY ABOVE 5000 FEET... A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 10 PM PST SATURDAY. * ELEVATION...ABOVE 5000 FEET. * SNOW LEVELS...6500 FEET THIS EVENING...LOWERING TO 5000 FEET BY FRIDAY. * SNOW ACCUMULATIONS...6 TO 10 INCHES...LOCAL ACCUMULATIONS UP TO 16 INCHES. * TIMING...PERIODS OF SNOW THROUGH EARLY SUNDAY MORNING. * LOCATIONS INCLUDE: IDYLLWILD...PINE COVE...ANGELUS OAKS... BALDWIN LAKE...BARTON FLATS...BIG BEAR CITY... BIG BEAR LAKE...FAWNSKIN...FOREST FALLS...LAKE ARROWHEAD... MOUNT BALDY...RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD * WINDS...SOUTH TO SOUTHEAST WINDS 10 TO 15 MPH...WITH GUSTS TO 25 MPH THIS EVENING...BECOMING NORTHEAST 15 TO 20 MPH...WITH GUSTS TO 40 MPH LATE FRIDAY MORNING THROUGH SATURDAY MORNING. * VISIBILITY...REDUCED TO 1 MILE OR LESS IN SNOW...BLOWING SNOW...AND FOG. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS IN THE MOUNTAINS DUE TO SLICK ROADS AND REDUCED VISIBILITY. THIS WEATHER COULD BE DEADLY FOR UNPREPARED CAMPERS AND HIKERS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ PALMER
822 WWUS46 KSGX 221136 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 336 AM PST FRI NOV 22 2013 ...PERIODS OF MODERATE TO LOCALLY HEAVY SNOW ABOVE 5000 FEET THROUGH SATURDAY MORNING... .A LARGE SLOW MOVING LOW PRESSURE SYSTEM WILL BRING PERIODS OF SHOWERS AND ISOLATED THUNDERSTORMS WITH LOCALLY HEAVY SNOWFALL. CAZ055-056-221945- /O.EXT.KSGX.WS.W.0005.000000T0000Z-131123T1800Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD...IDYLLWILD...PINE COVE 336 AM PST FRI NOV 22 2013 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 AM PST SATURDAY ABOVE 5000 FEET... THE WINTER STORM WARNING ABOVE 5000 FEET IS NOW IN EFFECT UNTIL 10 AM PST SATURDAY. * ELEVATION...ABOVE 5000 FEET. * SNOW LEVELS...5000 TO 5500 FEET...LOWERING TO 4500 TO 5000 FEET FOR TONIGHT THROUGH SATURDAY MORNING. * ADDITIONAL SNOW ACCUMULATIONS...8 TO 12 INCHES...LOCAL ACCUMULATIONS OF 12 TO 20 INCHES...MAINLY ABOVE 7000 FEET. * LOCATIONS INCLUDE: IDYLLWILD...PINE COVE...ANGELUS OAKS... BALDWIN LAKE...BARTON FLATS...BIG BEAR CITY... BIG BEAR LAKE...FAWNSKIN...FOREST FALLS...LAKE ARROWHEAD... MOUNT BALDY...RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD. * WINDS...AREAS OF NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH...GRADUALLY DECREASING FOR LATE TONIGHT THROUGH SATURDAY MORNING. * VISIBILITY...LOCALLY REDUCED AT TIMES IN SNOW...BLOWING SNOW...AND FOG. * 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. 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. && $$ FOR ROAD CONDITION INFORMATION IN CALIFORNIA...DIAL 8 0 0 4 2 7 7 6 2 3 IF INSIDE CALIFORNIA OR 9 1 6 4 5 5 7 6 2 3 IF OUTSIDE CALIFORNIA. FOR A DETAILED MAP OF THE HAZARD: WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=SGX 17
135 WWUS46 KSGX 221702 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 902 AM PST FRI NOV 22 2013 ...PERIODS OF MODERATE TO LOCALLY HEAVY SNOW ABOVE 5000 FEET THROUGH SATURDAY MORNING... .A LARGE SLOW MOVING LOW PRESSURE SYSTEM WILL BRING PERIODS OF SHOWERS AND ISOLATED THUNDERSTORMS WITH LOCALLY HEAVY SNOWFALL THROUGH AT LEAST SATURDAY MORNING. THE SAN DIEGO COUNTY MOUNTAINS ABOVE 5000 FEET WILL LIKELY SEE SEVERAL INCHES OF SNOW AS WELL...AND SO A WINTER WEATHER ADVISORY HAS BEEN ISSUED FOR THAT ZONE. CAZ055-056-230200- /O.CON.KSGX.WS.W.0005.000000T0000Z-131123T1800Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD...IDYLLWILD...PINE COVE 902 AM PST FRI NOV 22 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY ABOVE 5000 FEET... A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY. * ELEVATION...ABOVE 5000 FEET. * SNOW LEVELS...5000 TO 5500 FEET...LOWERING TO 4500 TO 5000 FEET FOR TONIGHT THROUGH SATURDAY MORNING. * ADDITIONAL SNOW ACCUMULATIONS...8 TO 12 INCHES...LOCAL ACCUMULATIONS OF 12 TO 20 INCHES...MAINLY ABOVE 7000 FEET. * LOCATIONS INCLUDE: IDYLLWILD...PINE COVE...ANGELUS OAKS... BALDWIN LAKE...BARTON FLATS...BIG BEAR CITY... BIG BEAR LAKE... FAWNSKIN...FOREST FALLS...LAKE ARROWHEAD... MOUNT BALDY... RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD. * WINDS...AREAS OF NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH...GRADUALLY DECREASING FOR LATE TONIGHT THROUGH SATURDAY MORNING. * VISIBILITY...LOCALLY REDUCED AT TIMES IN SNOW...BLOWING SNOW...AND FOG. * 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. 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. && $$ CAZ058-230200- /O.NEW.KSGX.WW.Y.0012.131122T1702Z-131123T1800Z/ SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...MOUNT LAGUNA 902 AM PST FRI NOV 22 2013 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST SATURDAY ABOVE 5000 FEET... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER WEATHER ADVISORY ABOVE 5000 FEET FOR SNOW...WHICH IS IN EFFECT UNTIL 10 AM PST SATURDAY. * ELEVATION... ABOVE 5000 FEET. * SNOW LEVELS...4500...AND LOCALLY TO 4000 FEET. * SNOW ACCUMULATIONS...3 TO 8 INCHES...WITH LOCALLY HIGHER AMOUNTS ON THE MOUNTAIN PEAKS. A DUSTING OF SNOW IS POSSIBLE BELOW 5000 FEET. * TIMING...THROUGH 10 AM SATURDAY. * LOCATIONS INCLUDE: CUYAMACA AND MOUNT LAGUNA. * WINDS...EAST AROUND 10 MPH. LOCAL GUSTS TO 20 MPH. * VISIBILITY...LOCALLY REDUCED AT TIMES IN SNOW AND FOG. * IMPACTS...RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS AND LOW VISIBILITIES. IF POSSIBLE...CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ HARRISON
353 WWUS46 KSGX 230050 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 450 PM PST FRI NOV 22 2013 ...PERIODS OF MODERATE TO LOCALLY HEAVY SNOW ABOVE 5000 FEET THROUGH SATURDAY MORNING... .A LARGE SLOW MOVING LOW PRESSURE SYSTEM WILL BRING PERIODS OF SHOWERS AND ISOLATED THUNDERSTORMS...WITH LOCALLY HEAVY SNOWFALL TO THE MOUNTAINS THROUGH SATURDAY MORNING. CAZ055-056-231200- /O.CON.KSGX.WS.W.0005.000000T0000Z-131123T1800Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD...IDYLLWILD...PINE COVE 450 PM PST FRI NOV 22 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY ABOVE 5000 FEET... A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY. * ELEVATION...ABOVE 5000 FEET. * SNOW LEVELS...4000 TO 4500 FEET...BUT LOCALLY DOWN TO 3500 FEET IN HEAVIER SHOWERS. * ADDITIONAL SNOW ACCUMULATIONS...6 TO 12 INCHES. LOCAL ACCUMULATIONS OF 12 TO 20 INCHES...MAINLY ABOVE 7000 FEET. 1 TO 3 INCHES OF SNOW ABOVE 4000 FEET. * LOCATIONS INCLUDE: IDYLLWILD...PINE COVE...ANGELUS OAKS... BALDWIN LAKE...BARTON FLATS...BIG BEAR CITY... BIG BEAR LAKE...FAWNSKIN...FOREST FALLS...LAKE ARROWHEAD... MOUNT BALDY...RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD * WINDS...AREAS OF NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH...GRADUALLY DECREASING FOR LATE TONIGHT THROUGH SATURDAY MORNING. * VISIBILITY...LOCALLY REDUCED AT TIMES IN SNOW...BLOWING SNOW...AND FOG. * 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. 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. && $$ CAZ058-231200- /O.CON.KSGX.WW.Y.0012.000000T0000Z-131123T1800Z/ SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...MOUNT LAGUNA 450 PM PST FRI NOV 22 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY ABOVE 5000 FEET... A WINTER WEATHER ADVISORY ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY. * ELEVATION... ABOVE 5000 FEET. * SNOW LEVELS...4500...AND LOCALLY TO 4000 FEET. * SNOW ACCUMULATIONS...3 TO 8 INCHES...WITH LOCALLY HIGHER AMOUNTS ON THE MOUNTAIN PEAKS. A DUSTING OF SNOW IS POSSIBLE BELOW 5000 FEET. * TIMING...THROUGH 10 AM SATURDAY. * LOCATIONS INCLUDE: CUYAMACA...MOUNT LAGUNA * WINDS...EAST AROUND 10 MPH. LOCAL GUSTS TO 20 MPH. * VISIBILITY...LOCALLY REDUCED AT TIMES IN SNOW AND FOG. * IMPACTS...RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS AND LOW VISIBILITIES. IF POSSIBLE...CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ PALMER
266 WWUS46 KSGX 231016 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 215 AM PST SAT NOV 23 2013 ...SCATTERED SNOW SHOWERS THROUGH THIS MORNING... .A LARGE SLOW MOVING LOW PRESSURE SYSTEM WILL BRING PERIODS OF SHOWERS AND ISOLATED THUNDERSTORMS...WITH BRIEF MODERATE TO HEAVY SNOWFALL IN THE MOUNTAINS THROUGH THIS MORNING. SNOW SHOWERS MAY LINGER INTO SUNDAY WITH ADDITIONAL SNOWFALL LIGHTER AND MORE LOCALIZED. CAZ055-056-232000- /O.EXT.KSGX.WS.W.0005.000000T0000Z-131123T2000Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...FAWNSKIN... FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY...RUNNING SPRINGS... TWIN PEAKS...WRIGHTWOOD...IDYLLWILD...PINE COVE 215 AM PST SAT NOV 23 2013 ...WINTER STORM WARNING NOW IN EFFECT UNTIL NOON PST TODAY ABOVE 5000 FEET... THE WINTER STORM WARNING ABOVE 5000 FEET IS NOW IN EFFECT UNTIL NOON PST TODAY. * ELEVATION...ABOVE 5000 FEET. * SNOW LEVELS...4500 TO 5000 FEET...BUT LOCALLY DOWN TO 4000 FEET IN HEAVIER SHOWERS. * SNOW ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF 2 TO 4 INCHES THIS MORNING WITH LOCALLY GREATER AMOUNTS ON HIGHER PEAKS. * LOCATIONS INCLUDE: IDYLLWILD...PINE COVE...ANGELUS OAKS... BALDWIN LAKE...BARTON FLATS...BIG BEAR CITY... BIG BEAR LAKE...FAWNSKIN...FOREST FALLS...LAKE ARROWHEAD... MOUNT BALDY...RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD * WINDS...AREAS OF NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH. * VISIBILITY...LOCALLY REDUCED AT TIMES IN SNOW...BLOWING SNOW...AND FOG. * 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. * OUTLOOK...DECREASING SNOW SHOWERS MAY CONTINUE THROUGH TONIGHT INTO SUNDAY WITY ADDITIONAL ACCUMULATIONS LIGHTER AND MORE LOCALIZED. 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. && $$ CAZ058-232000- /O.EXT.KSGX.WW.Y.0012.000000T0000Z-131123T2000Z/ SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...MOUNT LAGUNA 215 AM PST SAT NOV 23 2013 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL NOON PST TODAY ABOVE 5000 FEET... THE WINTER WEATHER ADVISORY ABOVE 5000 FEET IS NOW IN EFFECT UNTIL NOON PST TODAY. * ELEVATION... ABOVE 5000 FEET. * SNOW LEVELS...4000 TO 4500 FEET. * SNOW ACCUMULATIONS...ADDITIONAL ACCUMULATIONS LESS THAN 3 INCHES POSSIBLE THIS MORNING. * LOCATIONS INCLUDE: CUYAMACA...MOUNT LAGUNA * WINDS...EAST AROUND 10 MPH. LOCAL GUSTS TO 20 MPH. * VISIBILITY...LOCALLY REDUCED AT TIMES IN SNOW AND FOG. * IMPACTS...RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS IN THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS AND LOW VISIBILITIES. IF POSSIBLE...CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ YOU MAY ALSO GO TO THE CALTRANS WEBSITE TO CHECK FOR ROAD CONDITIONS AND CLOSURES AT: HTTP://WWW.DOT.CA.GOV/CGI- BIN/ROADS.CGI OR THE CALIFORNIA HIGHWAY PATROL (CHP) WEBSITE AT: HTTP://CAD.CHP.CA.GOV/ FOR A DETAILED MAP OF THE HAZARD: WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=SGX 17
219 WWUS46 KSGX 231901 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 1101 AM PST SAT NOV 23 2013 ...WINTER STORM WARNING CANCELLED FOR THE SAN BERNARDINO AND SAN JACINTO MOUNTAINS... ...WINTER WEATHER ADVISORY NOW IN EFFECT THROUGH MIDNIGHT TONIGHT FOR THE SAN BERNARDINO MOUNTAINS .HEAVY SNOW IS NO LONGER EXPECTED...HOWEVER MOISTURE IN NORTHEAST FLOW ALOFT WILL LIKELY RESULT IN MORE LIGHT TO MODERATE SNOW IN THE SAN BERNARDINO MOUNTAINS THIS AFTERNOON AND EVENING. SOME SNOW SHOWERS ARE LIKELY FARTHER SOUTH IN THE RIVERSIDE AND SAN DIEGO COUNTY MOUNTAINS ABOVE 5500 FEET TODAY...BUT SIGNIFICANT ACCUMULATIONS ARE NOT EXPECTED. CAZ055-240315- /O.CAN.KSGX.WS.W.0005.000000T0000Z-131123T2000Z/ /O.NEW.KSGX.WW.Y.0013.131123T2000Z-131124T0800Z/ SAN BERNARDINO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANGELUS OAKS...BALDWIN LAKE... BARTON FLATS...BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE... FAWNSKIN...FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY... MOUNTAIN HOME VILLAGE...RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD 1101 AM PST SAT NOV 23 2013 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT PST TONIGHT ABOVE 4500 FEET... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER WEATHER ADVISORY ABOVE 4500 FEET FOR SNOW...WHICH IS IN EFFECT UNTIL MIDNIGHT PST TONIGHT. THE WINTER STORM WARNING HAS BEEN CANCELLED. * SNOW LEVELS FALLING TO 4500 FEET...BUT LOCALLY DOWN TO 4000 FEET IN HEAVIER SHOWERS. * SNOW ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF 2 TO 5 INCHES THIS AFTERNOON AND EVENING. * LOCATIONS INCLUDE: ANGELUS OAKS...BALDWIN LAKE...BARTON FLATS... BIG BEAR CITY...BIG BEAR LAKE...CRESTLINE..FAWNSKIN...FOREST FALLS...LAKE ARROWHEAD...MOUNT BALDY...MOUNTAIN HOME VILLAGE... RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD * WINDS...VARIABLE 5 TO 15 MPH WITH STRONGER GUSTS. * VISIBILITY...LOCALLY REDUCED AT TIMES IN SNOW AND FOG. * IMPACTS...RESIDENTS AND TRAVELERS INTO HIGHER ELEVATIONS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS. IF POSSIBLE... CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING. * OUTLOOK...DECREASING SNOW SHOWERS OVERNIGHT INTO SUNDAY WITH ANY ADDITIONAL ACCUMULATIONS LIGHTER AND MORE LOCALIZED. 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. && $$ CAZ056-232015- /O.CAN.KSGX.WS.W.0005.000000T0000Z-131123T2000Z/ RIVERSIDE COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...IDYLLWILD...PINE COVE 1101 AM PST SAT NOV 23 2013 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE WINTER STORM WARNING. HEAVY SNOW IS NO LONGER EXPECTED. SCATTERED SNOW SHOWERS ARE LIKELY ABOVE 5500 FEET BUT ANY ACCUMULATIONS WILL BE VERY LOCALIZED. $$ CAZ058-232015- /O.CAN.KSGX.WW.Y.0012.000000T0000Z-131123T2000Z/ SAN DIEGO COUNTY MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...CUYAMACA...MOUNT LAGUNA 1101 AM PST SAT NOV 23 2013 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE WINTER WEATHER ADVISORY. ISOLATED SNOW SHOWERS ARE POSSIBLE ON THE HIGHEST PEAKS...HOWEVER SIGNIFICANT SNOWFALL IS NO LONGER EXPECTED. $$ JAD
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 Nov 20, 9:08 AM PST, 5 hours 3 minutes earlier.
Area forecast discussion, Nov 20, 9:08 AM PST, 5 hours 3 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
908 AM PST WED NOV 20 2013
.UPDATE...
AT 8 AM PST...WATER VAPOR IMAGERY DISPLAYED AN UPPER-LEVEL HIGH
NEAR 140W AND 25N...AND AN UPPER-LEVEL TROUGH OVER NORTHERN CA.
VISIBLE SATELLITE SHOWED MULTIPLE CLOUD LAYERS OVER SOCAL. THE
20/1200 UTC KNKX SOUNDING DISPLAYED WESTERLY FLOW THROUGHOUT THE
PROFILE...A VERY MOIST PROFILE WITH A PWAT OF 1.21 INCHES...AND A
5000 FT DEEP MARINE LAYER.
TODAY WILL BE MOSTLY CLOUDY...WITH HIGHS AROUND 5 TO 15 DEGREES
BELOW NORMAL. A FEW LIGHT SHOWERS MAY DEVELOP LATE THIS AFTERNOON
WEST OF THE MOUNTAINS. CONDITIONS WILL BEGIN TO DETERIORATE EARLY
TONIGHT AS THE LOW PRESSURE TROUGH OVER NORCAL DIGS SOUTH TOWARDS
SOCAL...AND DEVELOPS A CLOSED LOW NEAR POINT CONCEPTION BY THU
MORNING. SEE PREVIOUS DISCUSSION BELOW FOR SPECIFICS ON FORECAST
PRECIPITATION AND SNOWFALL THROUGH THE WEEKEND FOR THE SYSTEM.
NO CHANGES HAVE BEEN MADE TO THE FORECAST THIS MORNING. THE
PREVIOUS FORECAST REMAINS ON TRACK.
&&
.SYNOPSIS...
MOSTLY CLOUDY TODAY...WITH BELOW NORMAL TEMPERATURES. AN UPPER
LEVEL LOW DEVELOPING ALONG THE CENTRAL COAST WILL DRIFT SOUTH
THROUGH FRIDAY INCREASING THE CHANCE OF SHOWERS...BEGINNING THIS
EVENING. THE LOW MAY LINGER NEAR SOUTHERN CALIFORNIA INTO
SATURDAY WITH THE THREAT OF PRECIPITATION GRADUALLY SHIFTING TO
AREAS ALONG AND EAST OF THE MOUNTAINS. THERE IS A SLIGHT CHANCE
OF THUNDERSTORMS ON FRIDAY AND SATURDAY. GUSTY NORTHEAST TO EAST
WINDS ARE ALSO POSSIBLE THROUGH AND BELOW THE PASSES AND CANYONS
AS A STRONG SURFACE HIGH BUILDS OVER THE GREAT BASIN. FAIR
WEATHER...WITH GRADUAL WARMING...INTO THE MIDDLE OF NEXT WEEK AS
HIGH PRESSURE REBUILDS ALOFT.
&&
.DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE...
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...
PREVIOUS DISCUSSION... AN UPPER LEVEL TROUGH OF LOW PRESSURE
CURRENTLY OFF THE COAST OF CENTRAL AND NORTHERN CA WILL DIG SOUTH
TODAY INTO THURSDAY...WITH A CLOSED LOW FORMING IN THE BASE OF
THE TROUGH NEAR POINT CONCEPTION MIDDAY THURSDAY. THIS LOW WILL
DRIFT TO THE SW AND OVER SOUTHERN CA LATE THU...LINGERING OVER
THE AREA THROUGH LATE SATURDAY BEFORE PROGRESSING EASTWARD SUNDAY
AND MONDAY.
LIGHT PRECIPITATION MAY BEGIN THIS AFTERNOON...INCREASING LATE
TONIGHT INTO THURSDAY. UPSLOPE FLOW WILL HELP ENHANCE PRECIP
ALONG THE COASTAL MOUNTAIN SLOPES. ELSEWHERE PRECIP WILL BE
SHOWERY...LEADING TO HIGHLY VARIABLE ACCUMULATIONS. THERE IS A
SLIGHT CHANCE OF THUNDERSTORMS BEGINNING LATE THU EVENING AS COLD
AIR ALOFT...AROUND -23 TO -25 C AT 500 MB...MOVES OVER THE
REGION.
THE SNOW LEVEL WILL BE AROUND 7500-8000 FT AT THE ONSET OF THE
EVENT...GRADUALLY LOWERING TO AROUND 6500-7000 FT THU
AFTERNOON...AND DOWN TO 6000-6500 FT FRIDAY BY FRI MORNING. AS
THE LOW MOVES SLIGHTLY EASTWARD FRI...THE FOCUS OF THE PRECIP
WILL SHIFT TO THE NORTHERN AND EASTERN SLOPES OF THE MOUNTAINS
AND DESERTS AS MOISTURE WRAPS AROUND THE LOW. THERE IS THE
POTENTIAL FOR SEVERAL INCHES OF SNOW IN PORTIONS OF THE SAN
BERNARDINO AND RIVERSIDE MOUNTAINS IN THE WRAP AROUND
MOISTURE...ESPECIALLY IF ANY HEAVIER CONVECTIVE SHOWERS DEVELOP.
A WINTER STORM WATCH WILL BE IN EFFECT FOR THESE MOUNTAINS ABOVE
6000 FT FROM THURSDAY AFTERNOON THROUGH SUNDAY MORNING FOR THIS
REASON.
PRELIMINARY PRECIPITATION ESTIMATES ARE AS FOLLOWS:
COASTS/VALLEYS...0.50-0.75 IN
MOUNTAINS...1-1.5 IN...LOCALLY AS HIGH AS 2 IN
DESERTS...0.25-0.50 IN
MODERATE TO LOCALLY STRONG NORTHEAST WINDS WILL DEVELOP FOR FRIDAY
MORNING INTO SATURDAY AS HIGH PRESSURE BUILDS OVER THE GREAT BASIN.
THE WINDS WILL BE ENHANCED BY NORTHEAST TO EAST FLOW AROUND THE
UPPER LOW. EXPECT STRONGEST WINDS TO BE MOSTLY CONFINED TO THE
NORTHERN AREAS SUCH AS THE CAJON PASS AND SANTA ANA MOUNTAINS.
WINDS AND SHOWERS SHOULD TAPER OFF BY SUNDAY AFTERNOON AS THE LOW
FINALLY MAKES ITS EXIT TO THE EAST. GRADUAL WARMING AND DRYING IS
EXPECTED FOR MON AND TUE AS AN UPPER RIDGE OF HIGH PRESSURE MOVES
OVERHEAD.
&&
.AVIATION...
201630Z...COAST/VALLEYS...SCT/BKN LOW CLOUDS WITH BASES 3000-4500
FT MSL AND TOP TO AROUND 5500 FT MSL WILL CONTINUE TO FILL AREAS
WEST OF THE MOUNTAINS THROUGH THIS AFTERNOON. AFTER
20/1900Z...THE LOW CLOUDS NEAR THE COAST MAY BRIEFLY SCATTER OUT.
SKIES WILL ONCE AGAIN BECOME OVC WITH AFT 20/2200Z WITH SPRINKLES
DEVELOPING. HEAVIER AND MORE WIDESPREAD SHOWERS ARE LIKELY AFT
20/0600Z...CONTINUING THROUGH TONIGHT. BASES OF THE CLOUDS WILL
DROP TO AROUND 2000 FT MSL WITH VIS LOWERING TO 3-5 SM IN SOME OF
THE HEAVIER SHOWERS.
MOUNTAINS/DESERTS...AREAS OF COASTAL TERRAIN BELOW 5500 FEET ASL
WILL BE OBSCURED IN CLOUDS/FOG/DRIZZLE/LIGHT SHOWERS TODAY
BECOMING MORE WIDESPREAD THIS EVENING. ABOVE 5500 FEET...THE
DESERT SLOPES AND DESERTS...EXPECT UNRESTRICTED VIS WITH BROKEN
AOA 15000 FEET. STRONG WESTERLY WINDS THIS AFTERNOON AND EVENING
WILL PRODUCE LOCAL UP/DOWNDRAFTS AND LLWS MAINLY IN ON THE EAST
SIDE OF RIDGES AND PASSES.
&&
.MARINE...A LOW PRESSURE SYSTEM MOVING OVER THE COASTAL WATERS OF
SOUTHERN CALIFORNIA WILL BRING UNSETTLED WEATHER TO BOTH THE
INNER AND OUTER WATERS TONIGHT THOUGH EARLY SATURDAY MORNING.
LIGHT RAIN SHOWERS WILL DEVELOP OVER THE AREA THIS
EVENING...BECOMING HEAVIER AND MORE WIDESPREAD OVERNIGHT. COLD
AIR ALOFT WILL BRING A SLIGHT CHANCE FOR THUNDERSTORMS LATE
THURSDAY THOUGH FRIDAY AS THE CENTER OF THE LOW MOVES OVERHEAD.
THE MAIN THREATS FROM THESE STORMS WILL BE BRIEF HEAVY
RAIN...CLOUD TO WATER LIGHTNING...GUSTY ERRATIC WINDS...AND AN
ISOLATED WATERSPOUT. DRIER WEATHER IS EXPECTED SATURDAY AFTERNOON
THOUGH THE REST OF THE WEEKEND AS THE SYSTEM MOVES EASTWARD AND
OUT OF THE REGION.
&&
.SGX WATCHES/WARNINGS/ADVISORIES...
CA...WINTER STORM WATCH FROM THURSDAY MORNING THROUGH LATE SATURDAY
NIGHT ABOVE 6000 FEET FOR THE RIVERSIDE COUNTY MOUNTAINS...
SAN BERNARDINO COUNTY MOUNTAINS.
PZ...NONE.
&&
PUBLIC...SS/JJT
AVIATION/MARINE...JTHazardous weather outlook, Nov 20, 4:00 AM PST, 10 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN DIEGO CA 400 AM PST WED NOV 20 2013 CAZ042-043-048-050-055>058-060>062-PZZ750-775-211400- 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- COASTAL WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER AND OUT 30 NM- WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER EXTENDING 30 TO 60 NM OUT INCLUDING SAN CLEMENTE ISLAND- 400 AM PST WED NOV 20 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EXTREME SOUTHWESTERN CALIFORNIA. .DAY ONE...TODAY AND TONIGHT. AN UPPER LEVEL LOW PRESSURE SYSTEM WILL BRING SHOWERS THIS EVENING AND TONIGHT. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. SHOWERS CONTINUING OVER THE AREA THURSDAY THROUGH FRIDAY...AND POSSIBLY INTO THE WEEKEND...WITH SNOWFALL ABOVE 6000 FEET. THE SHOWERS MAY BE LOCALLY HEAVY AND ISOLATED THUNDERSTORMS MAY DEVELOP FRIDAY. ALSO... MODERATE TO LOCALLY STRONG AND GUSTY NORTHEAST WINDS ARE POSSIBLE FRIDAY INTO SATURDAY ALONG MOUNTAIN RIDGE-TOPS AND THROUGH AND BELOW THE PASSES AND CANYONS. GUSTS COULD REACH 60 MPH OR GREATER IN FAVORED SPOTS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY. SS/JAD
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 20, 4:21 AM PST | Winter Storm Watch | SGX | Riverside, San Bernardino | 10 hr |
Nearby
Winter Storm Warnings in California, 2013Every winter storm warning in 2013
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.