Alert archive / California / Winter Storm Warnings in 2008
Winter Storm Warning 7, NWS San Diego, CA
NWS San Diego, CA issued this winter storm warning at Dec 16, 2008, 8:45 AM PST for Riverside County, San Bernardino County, San Diego County, California. It took effect at Dec 17, 2008, 4:00 AM PST. It was in force for 24 hr. 39 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 16, 2008, 8:45 AM PST (16:45 UTC)
- In effect from
- Dec 17, 2008, 4:00 AM PST
- Expired
- Dec 18, 2008, 3:54 AM PST
- In force
- 24 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 16:45 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 17, 6:00 AM PST | SNOW 0.5 | 5 Wnw Joshua Tree (C182, CA | MODERATE SNOW WAS REPORTED. |
| Dec 17, 6:00 AM PST | SNOW 0.5 | 5 Wnw Joshua Tree (C182, CA | MODERATE SNOW WAS REPORTED BY A SPOTTER NEAR YUCCA VALLEY. |
| Dec 17, 6:16 AM PST | SNOW 1.5 | 3 Sse Landers (Ar190), CA | SNOW BEGAN AT 430 AM AT ELEVATION 3700 FEET. |
| Dec 17, 6:16 AM PST | SNOW 1.5 | 3 Sse Landers (Ar190), CA | SNOW BEGAN TO FALL AT 430 AM AT ELEVATION 3700 FEET NEAR LANDERS. |
| Dec 17, 7:00 AM PST | SNOW 1 | 6 Nnw Landers (Ar190), CA | VISIBILITY WAS LESS THAN A HALF MILE IN MODERATE SNOW AT 3100 FEET. |
| Dec 17, 7:12 AM PST | SNOW 3 | 4 W Joshua Tree (C1828), CA | |
| Dec 17, 7:50 AM PST | SNOW 3 | 11 N Rimrock, CA | VISIBILITY LESS THAN A QUARTER MILE IN MODERATE SNOW AT ELEVATION 3220 FEET. |
| Dec 17, 7:50 AM PST | SNOW 3 | 11 N Rimrock, CA | VISIBILITY WAS LESS THAN A QUARTER OF A MILE IN MODERATE SNOW AT ELEVATION 3220 FEET. |
| Dec 17, 7:57 AM PST | SNOW 0 | Cuyamaca Peak, CA | DRIVING ON HWY 79 BETWEEN CUYAMACA AND DESCANSO SNOW LEVEL ABOUT 4100. MODERATE RAIN FALLING BELOW 4100. SNOW ACCUMULATION AT ABOUT 4800 IS 4 INCHES. |
| Dec 17, 8:14 AM PST | SNOW 0 | Idyllwild-Pine Cove, CA | 2 INCHES OF NEW SNOW OVER THE PAST 12 HOURS. |
| Dec 17, 8:23 AM PST | SNOW 0 | Warner Springs, CA | 1 INCH OF NEW SNOW OVER THE PAST HOUR. TOTAL SNOW DEPTH IS 1 INCH. |
| Dec 17, 8:42 AM PST | SNOW 0 | Crestline, CA | 3 INCHES OF NEW SNOWFALL OVER THE PAST HOUR. SNOW DEPTH IS 19 INCHES. |
| Dec 17, 8:50 AM PST | SNOW 1.5 | 16 Ssw Daggett, CA | HIGHWAY 247 AT MILE MARKER 60 IS CLOSED DUE TO SNOW BECAUSE THE PLOWS CAN NOT KEEP UP. |
| Dec 17, 8:50 AM PST | SNOW 1.5 | 16 Ssw Daggett, CA | HIGHWAY 247 AT MILE MARKER 60 WAS CLOSED DUE TO THE SNOW BECAUSE THE PLOWS CAN NOT KEEP UP WITH THE AMOUNT OF SNOW ON THE ROAD. |
| Dec 17, 9:11 AM PST | SNOW 0 | Lake Arrowhead, CA | 4 INCHES OF NEW SNOWFALL OVER THE PAST 5 HOURS. SNOW DEPTH IS 22 INCHES. |
| Dec 17, 9:29 AM PST | SNOW 0 | Wrightwood, CA | 8 INCHES OF NEW SNOWFALL OVER THE PAST 2 HOURS. SNOW DEPTH IS 30 INCHES. TEMPERATURE 25 DEGREES. |
| Dec 17, 10:00 AM PST | HEAVY SNOW 5 | 2 W Cottonwood Visitor, CA | |
| Dec 17, 10:22 AM PST | SNOW 3.5 | 6 Nnw Landers (Ar190), CA | HEAVY SNOW OBSERVED WITH LESS THAN ONE QUARTER MILE VISIBILITY. |
| Dec 17, 10:22 AM PST | SNOW 3.5 | 6 Nnw Landers (Ar190), CA | HEAVY SNOW WAS OBSERVED WITH LESS THAN ONE QUARTER MILE VISIBILITY. |
| Dec 17, 10:40 AM PST | SNOW 4 | 5 Sse Twentynine Palms, CA | JOSHUA TREE NATIONAL PARK CLOSED TO PUBLIC DUE TO SNOWY ROAD CONDITIONS. |
| Dec 17, 10:40 AM PST | SNOW 4 | 5 Sse Twentynine Palms, CA | JOSHUA TREE NATIONAL PARK WAS CLOSED TO THE PUBLIC DUE TO SNOWY ROAD CONDITIONS. |
| Dec 17, 11:44 AM PST | SNOW 0 | Mount Laguna, CA | AT MOUNT LAGUNA OBSERVATORY...2 INCHES OF NEW SNOW OVER THE PAST HOUR. STORM TOTAL OF 8 INCHES. SNOW DEPTH IS 11 INCHES. TREES HEAVILY ICED FROM PREVIOUS STORM...CURRENT ONE IS ADDING MORE SNOW. WIND HAS BEGUN PICKING UP AND BLOWING SNOW OUT OF THE NORTHEAST. |
| Dec 17, 11:45 AM PST | SNOW 5 | Sw Mountain Pass, CA | |
| Dec 17, 11:45 AM PST | SNOW 7.5 | 4 W Joshua Tree (C1828), CA | A SPOTTER NEAR YUCCA VALLEY HAD A SNOWFALL RATE OF 1 INCH PER HOUR. |
| Dec 17, 11:45 AM PST | SNOW 7.5 | 4 W Joshua Tree (C1828), CA | CURRENT SNOWFALL RATE OF 1 INCH PER HOUR. |
| Dec 17, 12:45 PM PST | SNOW 8 | Sse Landers (Ar190), CA | VISIBILITY REPORTED LESS THAN ONE QUARTER MILE IN MODERATE SNOW. |
| Dec 17, 12:45 PM PST | SNOW 8 | Sse Landers (Ar190), CA | VISIBILITY WAS REPORTED TO BE LESS THAN ONE QUARTER MILE IN MODERATE SNOW. |
| Dec 17, 12:45 PM PST | SNOW 9 | 4 W Joshua Tree (C1828), CA | A SNOWFALL RATE OF 1.5 INCHES PER HOUR WAS REPORTED BY A SPOTTER AT 3400 FEET NEAR YUCCA VALLEY. |
| Dec 17, 12:45 PM PST | SNOW 9 | 4 W Joshua Tree (C1828), CA | SNOWFALL RATE OF 1.5 INCHES PER HOUR AT 3400 FEET. |
| Dec 17, 1:17 PM PST | SNOW 5 | Boulevard, CA | 5 TO 6 INCHES OF SNOW ON GROUND. STILL ACCUMULATING. ELEVATION APPROX. 3800 FEET. |
| Dec 17, 2:08 PM PST | HEAVY SNOW 18 | Hesperia, CA | |
| Dec 17, 2:49 PM PST | SNOW 20 | 4 E Big Pines, CA | SPOTTER IN WRIGHTWOOD 5000 FT REPORTED 20 INCHES OF NEW SNOW FOR THIS STORM AS OF 3 PM. |
| Dec 17, 4:44 PM PST | HEAVY SNOW 13 | Lake Arrowhead, CA | NEW SNOW IN PAST 12 HOURS 13 INCHES. SNOW DEPTH IS 31 INCHES. |
| Dec 17, 4:52 PM PST | HEAVY SNOW 0 | Hesperia, CA | 11 INCHES OF SNOW SO FAR. I-15 AND HWY 395 CLOSED IN THE HIGH DESERT. |
| Dec 17, 4:55 PM PST | SNOW 7.5 | 5 Wnw Yucca Valley (C79, CA | |
| Dec 17, 5:45 PM PST | HEAVY SNOW 16 | 4 W Joshua Tree (C1828), CA | |
| Dec 17, 7:40 PM PST | HEAVY SNOW 14 | 4 W Joshua Tree (C1828), CA | A SPOTTER MEASURED 14 INCHES OF SNOW NEAR YUCCA VALLEY AND REMARKED THAT THE SNOW WAS COMING DOWN HARDER AT THIS TIME THAN IT HAD ALL DAY. |
| Dec 17, 7:40 PM PST | HEAVY SNOW 14 | 4 W Joshua Tree (C1828), CA | THE SNOW IS COMING DOWN HARDER NOW THAN IT HAS ALL DAY. |
| Dec 17, 11:42 PM PST | HEAVY SNOW 11 | Victorville, CA |
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, 4.8 hours before the alert went out and 145 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 15 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 537 m above ground
- 0-6 km bulk shear
- 91 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 142 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS46 KSGX 161645 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 845 AM PST TUE DEC 16 2008 ...PERIODS OF HEAVY SNOWFALL POSSIBLE IN THE MOUNTAINS AT TIMES LATE TONIGHT THROUGH WEDNESDAY EVENING... .A COLD PACIFIC STORM WILL BRING THE POSSIBILITY OF HEAVY SNOWFALL IN PORTIONS OF THE SOUTHWEST CALIFORNIA MOUNTAINS LATE TONIGHT THROUGH WEDNESDAY EVENING. THE CURRENT TRACK WOULD BRING GREATER POTENTIAL FOR HEAVY SNOWFALL TO THE SAN DIEGO COUNTY MOUNTAINS WITH LESSER AMOUNTS TO THE NORTH. SNOW IS ALSO POSSIBLE IN THE UPPER DESERTS AND AT ELEVATIONS BELOW 3000 FEET ON THE COASTAL SLOPES. CAZ055-170530- /O.UPG.KSGX.WS.A.0008.081217T1200Z-081218T0600Z/ /O.NEW.KSGX.WS.W.0007.081217T1200Z-081218T0600Z/ SAN BERNARDINO COUNTY MOUNTAINS- 845 AM PST TUE DEC 16 2008 ...WINTER STORM WARNING IN EFFECT FROM 4 AM TO 10 PM PST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOWFALL...WHICH IS IN EFFECT FROM 4 AM TO 10 PM PST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. SNOW SHOWERS ARE EXPECTED TO DEVELOP TONIGHT...POSSIBLY BECOMING HEAVY AT TIMES WEDNESDAY. SNOW SHOWERS ARE EXPECTED TO DECREASE WEDNESDAY NIGHT. SNOWFALL OF 6 TO 14 INCHES IS POSSIBLE ABOVE 4000 FEET...MAINLY EAST OF THE CAJON PASS WITH AMOUNTS OF 3 TO 6 INCHES POSSIBLE BELOW 4000 FEET. LOCALLY GREATER AMOUNTS ARE POSSIBLE IN HEAVY SHOWERS. AS THE STORM PROGRESSES...SNOW LEVELS COULD FALL BELOW 3000 FEET WITH ACCUMULATIONS OF UP TO 3 INCHES IN HEAVIER SHOWERS. VISIBILITIES COULD BE REDUCED TO NEAR ZERO AT TIMES IN BLOWING SNOW. RESIDENTS AND TRAVELERS INTO THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ CAZ056-170530- /O.UPG.KSGX.WS.A.0008.081217T1200Z-081218T0600Z/ /O.NEW.KSGX.WS.W.0007.081217T1200Z-081218T0600Z/ RIVERSIDE COUNTY MOUNTAINS- 845 AM PST TUE DEC 16 2008 ...WINTER STORM WARNING IN EFFECT FROM 4 AM TO 10 PM PST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOWFALL...WHICH IS IN EFFECT FROM 4 AM TO 10 PM PST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. SNOW SHOWERS ARE EXPECTED TO DEVELOP TONIGHT...POSSIBLY BECOMING HEAVY AT TIMES WEDNESDAY. SNOW SHOWERS ARE EXPECTED TO DECREASE WEDNESDAY NIGHT. SNOWFALL OF 8 TO 16 INCHES IS POSSIBLE ABOVE 4000 FEET...WITH AMOUNTS OF 4 TO 8 INCHES BELOW 4000 FEET. LOCALLY GREATER AMOUNTS ARE POSSIBLE IN HEAVY SHOWERS. AS THE STORM PROGRESSES...SNOW LEVELS COULD FALL BELOW 3000 FEET WITH ACCUMULATIONS OF UP TO 3 INCHES IN HEAVIER SHOWERS. VISIBILITIES COULD BE REDUCED TO NEAR ZERO AT TIMES IN BLOWING SNOW. RESIDENTS AND TRAVELERS INTO THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ CAZ058-170530- /O.UPG.KSGX.WS.A.0008.081217T1200Z-081218T0600Z/ /O.NEW.KSGX.WS.W.0007.081217T1200Z-081218T0600Z/ SAN DIEGO COUNTY MOUNTAINS- 845 AM PST TUE DEC 16 2008 ...WINTER STORM WARNING IN EFFECT FROM 4 AM TO 10 PM PST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOWFALL...WHICH IS IN EFFECT FROM 4 AM TO 10 PM PST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. SNOW SHOWERS ARE EXPECTED TO DEVELOP TONIGHT...POSSIBLY BECOMING HEAVY AT TIMES WEDNESDAY. SNOW SHOWERS ARE EXPECTED TO DECREASE WEDNESDAY NIGHT. SNOWFALL OF 8 TO 16 INCHES IS POSSIBLE ABOVE 4000 FEET...WITH AMOUNTS OF 4 TO 8 INCHES BELOW 4000 FEET. LOCALLY GREATER AMOUNTS ARE POSSIBLE IN HEAVY SHOWERS. AS THE STORM PROGRESSES...SNOW LEVELS COULD FALL BELOW 3000 FEET WITH ACCUMULATIONS OF UP TO 3 INCHES IN HEAVIER SHOWERS. VISIBILITIES COULD BE REDUCED TO NEAR ZERO AT TIMES IN BLOWING SNOW. RESIDENTS AND TRAVELERS INTO THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ CAZ060-170530- /O.NEW.KSGX.WW.Y.0002.081217T1200Z-081218T0600Z/ APPLE AND LUCERNE VALLEYS- 845 AM PST TUE DEC 16 2008 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM TO 10 PM PST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 4 AM TO 10 PM PST WEDNESDAY. MOSTLY LIGHT SNOW SHOWERS ARE EXPECTED TO DEVELOP LATE TONIGHT...POSSIBLY BECOMING HEAVY AT TIMES WEDNESDAY. SNOW SHOWERS ARE EXPECTED TO DECREASE WEDNESDAY NIGHT. THE SNOW LEVEL IS EXPECTED TO BE NEAR 3000 FEET...BUT COULD LOWER TO NEAR 2000 FEET. SNOWFALL ACCUMULATIONS OF 4 TO 8 INCHES ARE POSSIBLE WITH LOCALLY GREATER AMOUNTS IN AREAS OF HEAVER SNOW SHOWERS. GUSTY NORTHEAST WINDS MAY CAUSE NEAR ZERO VISIBILITY AT TIMES IN BLOWING AND DRIFTING SNOW. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ PG
5 follow-up statements
000 WWUS46 KSGX 170324 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 724 PM PST TUE DEC 16 2008 ...PERIODS OF HEAVY SNOWFALL POSSIBLE IN THE MOUNTAINS LATE TONIGHT THROUGH WEDNESDAY EVENING... .A COLD PACIFIC STORM WILL BRING THE POSSIBILITY OF HEAVY SNOWFALL TO THE SOUTHWEST CALIFORNIA MOUNTAINS LATE TONIGHT THROUGH WEDNESDAY EVENING. THE CURRENT TRACK WOULD BRING GREATER POTENTIAL FOR HEAVY SNOWFALL TO THE SAN DIEGO COUNTY MOUNTAINS WITH LESSER AMOUNTS TO THE NORTH. SNOW IS ALSO POSSIBLE IN THE UPPER DESERTS AND AT TIMES BELOW 3000 FEET ON THE COASTAL SLOPES. CAZ055-171200- /O.CON.KSGX.WS.W.0007.081217T1200Z-081218T0600Z/ SAN BERNARDINO COUNTY MOUNTAINS- 724 PM PST TUE DEC 16 2008 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 AM TO 10 PM PST WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 4 AM TO 10 PM PST WEDNESDAY. SNOW SHOWERS ARE EXPECTED TO DEVELOP TONIGHT...POSSIBLY BECOMING HEAVY AT TIMES WEDNESDAY. SNOW SHOWERS ARE EXPECTED TO DECREASE WEDNESDAY NIGHT. SNOWFALL OF 6 TO 14 INCHES IS POSSIBLE ABOVE 4000 FEET...WITH AMOUNTS OF 3 TO 6 INCHES POSSIBLE BELOW 4000 FEET. LOCALLY GREATER AMOUNTS ARE POSSIBLE. AS THE STORM PROGRESSES...SNOW LEVELS COULD BRIEFLY FALL BELOW 3000 FEET WITH ACCUMULATIONS OF UP TO 3 INCHES IN HEAVIER SHOWERS. VISIBILITY COULD BE REDUCED TO NEAR ZERO AT TIMES IN FALLING AND BLOWING SNOW. RESIDENTS AND TRAVELERS INTO THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...SLEET... AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ CAZ056-171200- /O.CON.KSGX.WS.W.0007.081217T1200Z-081218T0600Z/ RIVERSIDE COUNTY MOUNTAINS- 724 PM PST TUE DEC 16 2008 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 AM TO 10 PM PST WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 4 AM TO 10 PM PST WEDNESDAY. SNOW SHOWERS ARE EXPECTED TO DEVELOP TONIGHT...POSSIBLY BECOMING HEAVY AT TIMES WEDNESDAY. THE SNOW IS EXPECTED TO DECREASE WEDNESDAY NIGHT. SNOWFALL OF 8 TO 16 INCHES IS POSSIBLE ABOVE 4000 FEET...WITH AMOUNTS OF 4 TO 8 INCHES BELOW 4000 FEET. LOCALLY GREATER AMOUNTS ARE POSSIBLE. AS THE STORM PROGRESSES...SNOW LEVELS COULD BRIEFLY FALL BELOW 3000 FEET...WITH ACCUMULATIONS OF UP TO 3 INCHES IN HEAVIER SHOWERS. VISIBILITY COULD BE REDUCED TO NEAR ZERO AT TIMES IN FALLING AND BLOWING SNOW. RESIDENTS AND TRAVELERS INTO THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ CAZ058-171200- /O.CON.KSGX.WS.W.0007.081217T1200Z-081218T0600Z/ SAN DIEGO COUNTY MOUNTAINS- 724 PM PST TUE DEC 16 2008 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 AM TO 10 PM PST WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 4 AM TO 10 PM PST WEDNESDAY. SNOW SHOWERS ARE EXPECTED TO DEVELOP TONIGHT...POSSIBLY BECOMING HEAVY AT TIMES WEDNESDAY. THE SNOW IS EXPECTED TO DECREASE LATE WEDNESDAY NIGHT. SNOWFALL OF 8 TO 16 INCHES IS POSSIBLE ABOVE 4000 FEET...WITH AMOUNTS OF 4 TO 8 INCHES BELOW 4000 FEET. LOCALLY GREATER AMOUNTS ARE POSSIBLE. AS THE STORM PROGRESSES...SNOW LEVELS COULD BRIEFLY FALL BELOW 3000 FEET WITH ACCUMULATIONS OF UP TO 3 INCHES IN HEAVIER SHOWERS. VISIBILITY COULD BE REDUCED TO NEAR ZERO AT TIMES IN FOG...AND FALLING AND BLOWING SNOW. RESIDENTS AND TRAVELERS INTO THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ CAZ060-171200- /O.CON.KSGX.WW.Y.0002.081217T1200Z-081218T0600Z/ APPLE AND LUCERNE VALLEYS- 724 PM PST TUE DEC 16 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM TO 10 PM PST WEDNESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM TO 10 PM PST WEDNESDAY. SNOW SHOWERS ARE EXPECTED TO DEVELOP LATE TONIGHT... POSSIBLY BECOMING HEAVY AT TIMES WEDNESDAY. THE SNOW IS EXPECTED TO DECREASE WEDNESDAY NIGHT. THE SNOW LEVEL IS EXPECTED TO BE NEAR 3000 FEET...BUT COULD LOWER TO NEAR 2000 FEET. SNOWFALL ACCUMULATIONS OF 4 TO 8 INCHES ARE POSSIBLE...WITH LOCALLY GREATER AMOUNTS IN AREAS OF HEAVER SNOW SHOWERS. LOCALLY GUSTY NORTHEAST WINDS MAY CAUSE SOME BLOWING SNOW AS WELL. THE COMBINATION FALLING AND BLOWING SNOW...AND FOG...MAY CAUSE NEAR ZERO VISIBILITY AT TIMES. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING. $$ JAD
000 WWUS46 KSGX 171109 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 309 AM PST WED DEC 17 2008 ...PERIODS OF HEAVY SNOWFALL POSSIBLE IN THE MOUNTAINS AND HIGHER DESERT AREAS THROUGH THIS EVENING... .A COLD PACIFIC STORM WILL BRING THE POSSIBILITY OF HEAVY SNOWFALL TO THE SOUTHWEST CALIFORNIA MOUNTAINS AND HIGHER DESERT AREAS THROUGH THIS EVENING. THE CURRENT TRACK WOULD BRING GREATER POTENTIAL FOR HEAVY SNOWFALL TO THE SAN DIEGO COUNTY MOUNTAINS WITH LESSER AMOUNTS TO THE NORTH. SNOW IS ALSO POSSIBLE IN THE UPPER DESERTS AND AT TIMES BELOW 3000 FEET ON THE COASTAL SLOPES. CAZ055-172230- /O.CON.KSGX.WS.W.0007.081217T1200Z-081218T0600Z/ SAN BERNARDINO COUNTY MOUNTAINS- 309 AM PST WED DEC 17 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. SNOW SHOWERS ARE EXPECTED TO BECOME HEAVY AT TIMES TODAY...THEN DECREASE TONIGHT. SNOWFALL OF 6 TO 14 INCHES IS POSSIBLE ABOVE 4000 FEET...WITH AMOUNTS OF 3 TO 6 INCHES POSSIBLE BELOW 4000 FEET. LOCALLY GREATER AMOUNTS ARE POSSIBLE. AS THE STORM PROGRESSES...SNOW LEVELS COULD BRIEFLY FALL BELOW 3000 FEET WITH ACCUMULATIONS OF UP TO 3 INCHES IN HEAVIER SHOWERS. VISIBILITY COULD BE REDUCED TO NEAR ZERO AT TIMES IN FALLING AND BLOWING SNOW. RESIDENTS AND TRAVELERS INTO THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET... AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ CAZ056-172230- /O.CON.KSGX.WS.W.0007.081217T1200Z-081218T0600Z/ RIVERSIDE COUNTY MOUNTAINS- 309 AM PST WED DEC 17 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. SNOW SHOWERS ARE EXPECTED TO BECOME HEAVY AT TIMES TODAY...THEN DECREASE TONIGHT. SNOWFALL OF 8 TO 16 INCHES IS POSSIBLE ABOVE 4000 FEET...WITH AMOUNTS OF 4 TO 8 INCHES BELOW 4000 FEET. LOCALLY GREATER AMOUNTS ARE POSSIBLE. AS THE STORM PROGRESSES... SNOW LEVELS COULD BRIEFLY FALL BELOW 3000 FEET...WITH ACCUMULATIONS OF UP TO 3 INCHES IN HEAVIER SHOWERS. VISIBILITY COULD BE REDUCED TO NEAR ZERO AT TIMES IN FALLING AND BLOWING SNOW. RESIDENTS AND TRAVELERS INTO THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ CAZ058-172230- /O.CON.KSGX.WS.W.0007.081217T1200Z-081218T0600Z/ SAN DIEGO COUNTY MOUNTAINS- 309 AM PST WED DEC 17 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. SNOW SHOWERS ARE EXPECTED TO BECOME HEAVY AT TIMES TODAY...AND DECREASE LATE TONIGHT. SNOWFALL OF 8 TO 16 INCHES IS POSSIBLE ABOVE 4000 FEET...WITH AMOUNTS OF 4 TO 8 INCHES BELOW 4000 FEET. LOCALLY GREATER AMOUNTS ARE POSSIBLE. AS THE STORM PROGRESSES... SNOW LEVELS COULD BRIEFLY FALL BELOW 3000 FEET WITH ACCUMULATIONS OF UP TO 3 INCHES IN HEAVIER SHOWERS. VISIBILITY COULD BE REDUCED TO NEAR ZERO AT TIMES IN FOG...AND FALLING AND BLOWING SNOW. RESIDENTS AND TRAVELERS INTO THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ CAZ060-172230- /O.CON.KSGX.WW.Y.0002.081217T1200Z-081218T0600Z/ APPLE AND LUCERNE VALLEYS- 309 AM PST WED DEC 17 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. SNOW SHOWERS ARE EXPECTED TO DEVELOP... POSSIBLY BECOMING HEAVY AT TIMES...THEN DECREASE TONIGHT. THE SNOW LEVEL IS EXPECTED TO BE NEAR 3000 FEET...BUT COULD BE LOCALLY LOWER. SNOWFALL ACCUMULATIONS OF 4 TO 8 INCHES ARE POSSIBLE...WITH LOCALLY GREATER AMOUNTS IN AREAS OF HEAVER SNOW SHOWERS. LOCALLY GUSTY NORTHEAST WINDS MAY CAUSE SOME BLOWING SNOW AS WELL. THE COMBINATION FALLING AND BLOWING SNOW...AND FOG...MAY CAUSE NEAR ZERO VISIBILITY AT TIMES. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING. $$ SMALL
000 WWUS46 KSGX 172052 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 1252 PM PST WED DEC 17 2008 ...HEAVY SNOWFALL OVER MOUNTAINS AND HIGHER DESERT AREAS THROUGH EARLY THURSDAY MORNING... .THE WINTER STORM IS NOT MOVING EAST AS RAPIDLY AS EARLIER FORECAST. AS A RESULT THE THREAT OF HEAVY SNOW WILL CONTINUE BEYOND THIS EVENING. SNOW IS EXPECTED TO TAPER FROM WEST TO EAST...STARTING OVER THE SAN GABRIEL MOUNTAINS AROUND MIDNIGHT AND TAPER OFF OVER THE HIGH DESERTS AND SAN BERNARDINO COUNTY BETWEEN MIDNIGHT AND 4 AM...AND TAPER OFF OVER THE RIVERSIDE AND SAN DIEGO COUNTY MOUNTAINS AROUND 4 AM. CAZ055-180600- /O.EXT.KSGX.WS.W.0007.000000T0000Z-081218T1200Z/ SAN BERNARDINO COUNTY MOUNTAINS- 1252 PM PST WED DEC 17 2008 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 4 AM PST THURSDAY... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 4 AM PST THURSDAY. HEAVY SNOW IS LIKELY THROUGH TONIGHT. BETWEEN ONE AND TWO FEET OF NEW SNOW HAS BEEN REPORTED IN THE PAST 12 TO 24 HOURS. ANOTHER 12 INCHES OF SNOW IS POSSIBLE THIS AFTERNOON THROUGH AND EARLY THURSDAY MORNING. VISIBILITY WILL BE REDUCED TO NEAR ZERO AT TIMES IN FALLING AND BLOWING SNOW. RESIDENTS AND TRAVELERS INTO THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET... AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ CAZ056-180600- /O.EXT.KSGX.WS.W.0007.000000T0000Z-081218T1200Z/ RIVERSIDE COUNTY MOUNTAINS- 1252 PM PST WED DEC 17 2008 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 4 AM PST THURSDAY... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 4 AM PST THURSDAY. HEAVY SNOW IS LIKELY THROUGH TONIGHT. OVER A FOOT OF NEW SNOW HAS BEEN REPORTED IN THE PAST 12 TO 24 HOURS. ANOTHER 12 INCHES OF SNOW IS POSSIBLE THIS AFTERNOON THROUGH AND EARLY THURSDAY MORNING. VISIBILITY WILL BE REDUCED TO NEAR ZERO AT TIMES IN FALLING AND BLOWING SNOW. RESIDENTS AND TRAVELERS INTO THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ CAZ058-180600- /O.EXT.KSGX.WS.W.0007.000000T0000Z-081218T1200Z/ SAN DIEGO COUNTY MOUNTAINS- 1252 PM PST WED DEC 17 2008 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 4 AM PST THURSDAY... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 4 AM PST THURSDAY. HEAVY SNOW IS LIKELY THROUGH TONIGHT. OVER A FOOT OF NEW SNOW HAS BEEN REPORTED IN THE PAST 12 TO 24 HOURS. ANOTHER 12 INCHES OF SNOW IS POSSIBLE THIS AFTERNOON THROUGH AND EARLY THURSDAY MORNING. THE SNOW LEVEL IS BETWEEN 3000 AND 4000 FEET. VISIBILITY WILL BE REDUCED TO NEAR ZERO AT TIMES IN FALLING AND BLOWING SNOW. RESIDENTS AND TRAVELERS INTO THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ CAZ060-180600- /O.EXT.KSGX.WW.Y.0002.000000T0000Z-081218T1200Z/ APPLE AND LUCERNE VALLEYS- 1252 PM PST WED DEC 17 2008 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 4 AM PST THURSDAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 4 AM PST THURSDAY. HEAVY SNOW IS LIKELY THROUGH TONIGHT. BETWEEN ONE AND TWO FEET OF NEW SNOW HAS BEEN REPORTED IN THE PAST 12 TO 24 HOURS. ANOTHER 6 TO 12 INCHES OF SNOW IS POSSIBLE THIS AFTERNOON THROUGH AND EARLY THURSDAY MORNING. THE SNOW LEVEL IS BETWEEN 3000 AND 4000 FEET. VISIBILITY WILL BE REDUCED TO NEAR ZERO AT TIMES IN FALLING AND BLOWING SNOW. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING. $$ SMALL/BALFOUR
000 WWUS46 KSGX 180250 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 650 PM PST WED DEC 17 2008 ...HEAVY SNOWFALL OVER MOUNTAINS AND HIGHER DESERT AREAS THROUGH EARLY THURSDAY MORNING... .THE THREAT OF HEAVY SNOW WILL CONTINUE THROUGH TONIGHT. SNOW IS EXPECTED TO TAPER FROM WEST TO EAST...STARTING OVER THE SAN GABRIEL MOUNTAINS AROUND MIDNIGHT AND TAPER OFF OVER THE HIGH DESERTS AND SAN BERNARDINO COUNTY BETWEEN MIDNIGHT AND 4 AM...AND TAPER OFF OVER THE RIVERSIDE AND SAN DIEGO COUNTY MOUNTAINS AROUND 4 AM. CAZ055-181200- /O.CON.KSGX.WS.W.0007.000000T0000Z-081218T1200Z/ SAN BERNARDINO COUNTY MOUNTAINS- 650 PM PST WED DEC 17 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY. HEAVY SNOW IS LIKELY THROUGH TONIGHT. BETWEEN ONE AND TWO FEET OF NEW SNOW HAS BEEN REPORTED IN THE PAST 12 TO 24 HOURS. ANOTHER 12 INCHES OF SNOW IS POSSIBLE THIS AFTERNOON THROUGH AND EARLY THURSDAY MORNING. VISIBILITY WILL BE REDUCED TO NEAR ZERO AT TIMES IN FALLING AND BLOWING SNOW. RESIDENTS AND TRAVELERS INTO THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET... AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ CAZ056-181200- /O.CON.KSGX.WS.W.0007.000000T0000Z-081218T1200Z/ RIVERSIDE COUNTY MOUNTAINS- 650 PM PST WED DEC 17 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY. HEAVY SNOW IS LIKELY THROUGH TONIGHT. OVER A FOOT OF NEW SNOW HAS BEEN REPORTED IN THE PAST 12 TO 24 HOURS. ANOTHER 12 INCHES OF SNOW IS POSSIBLE THIS AFTERNOON THROUGH AND EARLY THURSDAY MORNING. VISIBILITY WILL BE REDUCED TO NEAR ZERO AT TIMES IN FALLING AND BLOWING SNOW. RESIDENTS AND TRAVELERS INTO THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ CAZ058-181200- /O.CON.KSGX.WS.W.0007.000000T0000Z-081218T1200Z/ SAN DIEGO COUNTY MOUNTAINS- 650 PM PST WED DEC 17 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY. HEAVY SNOW IS LIKELY THROUGH TONIGHT. OVER A FOOT OF NEW SNOW HAS BEEN REPORTED IN THE PAST 12 TO 24 HOURS. ANOTHER 12 INCHES OF SNOW IS POSSIBLE THIS AFTERNOON THROUGH AND EARLY THURSDAY MORNING. THE SNOW LEVEL IS BETWEEN 3000 AND 4000 FEET. VISIBILITY WILL BE REDUCED TO NEAR ZERO AT TIMES IN FALLING AND BLOWING SNOW. RESIDENTS AND TRAVELERS INTO THE MOUNTAINS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER CONDITIONS AND POSSIBLE ROAD CLOSURES. IF POSSIBLE...CARRY CHAINS AND TAKE EXTRA FOOD AND CLOTHING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ CAZ060-181200- /O.CON.KSGX.WW.Y.0002.000000T0000Z-081218T1200Z/ APPLE AND LUCERNE VALLEYS- 650 PM PST WED DEC 17 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY. HEAVY SNOW IS LIKELY THROUGH TONIGHT. BETWEEN ONE AND TWO FEET OF NEW SNOW HAS BEEN REPORTED IN THE PAST 12 TO 24 HOURS. ANOTHER 6 TO 12 INCHES OF SNOW IS POSSIBLE THIS AFTERNOON THROUGH AND EARLY THURSDAY MORNING. THE SNOW LEVEL IS BETWEEN 3000 AND 4000 FEET. VISIBILITY WILL BE REDUCED TO NEAR ZERO AT TIMES IN FALLING AND BLOWING SNOW. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING. $$
000 WWUS46 KSGX 181154 WSWSGX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 354 AM PST THU DEC 18 2008 CAZ055-056-058-181300- /O.CAN.KSGX.WS.W.0007.000000T0000Z-081218T1200Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- SAN DIEGO COUNTY MOUNTAINS- 354 AM PST THU DEC 18 2008 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE WINTER STORM WARNING. $$ CAZ060-181300- /O.CAN.KSGX.WW.Y.0002.000000T0000Z-081218T1200Z/ APPLE AND LUCERNE VALLEYS- 354 AM PST THU DEC 18 2008 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE WINTER WEATHER ADVISORY. $$ MACKECHNIE
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 16, 3:40 AM PST, 5 hours 5 minutes earlier.
Area forecast discussion, Dec 16, 3:40 AM PST, 5 hours 5 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
340 AM PST TUE DEC 16 2008
.SYNOPSIS...
COLD...MOIST PATTERN WILL CONTINUE THROUGH WEDNESDAY NIGHT WITH
PERIODS OF LOCALLY HEAVY PRECIPITATION POSSIBLE FOR SOUTHERN AREAS
LATE TONIGHT AND WEDNESDAY. DRIER WITH BELOW SEASONAL TEMPERATURES
FOR THURSDAY THROUGH THE WEEKEND.
&&
.DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE...
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...
.SHORT TERM (TODAY THROUGH THURSDAY)...
COLD...MOIST ONSHORE PATTERN WILL BRING SCATTERED SHOWERS EARLY
THIS MORNING ALONG AND WEST OF THE MOUNTAINS. SHOWERS ARE EXPECTED
TO DECREASE DURING THE MORNING WITH SCATTERED SHOWERS LINGERING OVER
THE MOUNTAINS IN THE AFTERNOON. THE SNOW LEVEL WILL RISE FROM NEAR
3500 FEET THIS MORNING TO 4500 FEET THIS AFTERNOON.
FOR LATE TONIGHT THROUGH EARLY WEDNESDAY EVENING...A COLD PACIFIC
STORM WILL BRING PERIODS OF HEAVY PRECIPITATION...MAINLY SOUTHERN
AREAS WEDNESDAY...AND SCATTERED THUNDERSTORMS. THIS COLD STORM...
COMBINED WITH ENTRAINMENT OF COLD...DRY LOWER LEVEL AIR FROM THE
NORTHEAST...WILL BRING VERY LOW SNOW LEVELS AT TIMES FROM LATE
TONIGHT THROUGH WEDNESDAY...ESPECIALLY NORTHERN AREAS. SNOW LEVELS
WILL LOWER TO 2000 TO 2500 FEET WITH LOCALLY LOWER SNOW LEVELS
POSSIBLE WEDNESDAY AFTERNOON AND EARLY EVENING IN HEAVIER SHOWERS.
LIQUID EQUIVALENT (RAINFALL/MELTED SNOWFALL) AMOUNTS ARE EXPECTED TO
RANGE FROM ONE QUARTER TO ONE HALF INCH IN NORTHWEST SECTIONS TO ONE
TO TWO INCHES IN SOUTHEAST SECTIONS WITH LOCALLY GREATER AMOUNTS. A
WINTER STORM WATCH HAS BEEN ISSUED FOR THE MOUNTAINS. SNOWFALL IS
ALSO POSSIBLE IN THE UPPER DESERTS AND INLAND VALLEYS.
DRYING WITH SLOW WARMING FOR THURSDAY AS THE WEDNESDAY STORM MOVES
EAST.
&&
.LONG TERM (FRIDAY THROUGH MONDAY)...
GENERALLY FAIR AND A LITTLE WARMER...THOUGH BELOW SEASONAL
LEVELS...FOR FRIDAY THROUGH THE WEEKEND. ECWMF SHOWS SOME POTENTIAL
FOR A FEW SHOWERS ALONG AND WEST OF THE MOUNTAINS LATE FRIDAY NIGHT
AND EARLY SATURDAY...MAINLY IN AREAS FAVORED FOR ISLAND ENHANCED
CONVECTION. FOR EARLY NEXT WEEK...ANOTHER TROUGH OF LOW PRESSURE MAY
BECOME ESTABLISHED ALONG THE WEST COAST BRINGING THE POSSIBILITY OF
MORE PRECIPITATION. TIMING OF SHORTWAVES IN THIS PATTERN BY THE
GLOBAL MODELS IS POOR. THE CURRENT FORECAST SHOWS POPS ABOUT DOUBLE
CLIMO. GREATER CONSISTENCY ON SHORTWAVE TIMING IS NEEDED TO GO
HIGHER FOR PARTICULAR PERIODS.
&&
.AVIATION...
161100Z...SHOWERS WILL CONTINUE TO ROAM THE AREA TODAY. ALTHOUGH
BASES ARE EXPECTED TO BE MOSTLY ABOVE 3K FT EXCEPT DOWN TO ABOUT
1.5K TO 2K FT IN A MODERATE SHOWER. VSBY WILL REMAIN MOSTLY 7SM OR
BETTER WITH LOCAL 3-5SM AND ISOLATED AROUND 1SM IN HEAVY RAIN.
SHOWER/RAIN ACTIVITY IS FORECAST TO INCREASE TONIGHT AND CONTINUE
THROUGH WEDNESDAY. BASES ARE EXPECTED TO BECOME LOWER LATER TONIGHT
THROUGH WEDNESDAY...MOSTLY AROUND TO 1.5K TO 2.5K RANGE AND LOCALLY
DOWN BELOW 1K FEET IN HEAVY RAIN. VSBY IS EXPECTED TO BE MOSTLY
3-5SM WITH LOCAL BELOW 3SM AND BELOW 1SM IN A HEAVY SHOWER OR
THUNDERSTORMS. THE POTENTIAL FOR THUNDERSTORMS WILL INCREASE TONIGHT
THROUGH WEDNESDAY. MOUNTAINS WILL CONTINUE TO BE OBSCURED MOST OF
THE TIME WITH INCREASING OBSCURITY TONIGHT.
&&
.MARINE...
161100Z...CONDITIONS OVER THE COASTAL WATERS WILL DETERIORATE LATE
TONIGHT AS COLD AIR ALOFT MOVES INTO THE AREA AND SHOWER/RAIN WILL
INCREASE. THE POTENTIAL FOR THUNDERSTORMS WILL INCREASE LATE TONIGHT
AND CONTINUE THROUGH WEDNESDAY WITH ALSO THE POSSIBILITY FOR
WATERSPOUTS.
&&
.SGX WATCHES/WARNINGS/ADVISORIES...
CA...WINTER STORM WATCH FROM LATE TONIGHT THROUGH WEDNESDAY EVENING
FOR RIVERSIDE COUNTY MOUNTAINS-SAN BERNARDINO COUNTY
MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS.
PZ...NONE.
&&
PUBLIC...MARTIN
AVIATION/MARINE...WHITLOW
NWS ON THE WEB AT WEATHER.GOV/SANDIEGOHazardous weather outlook, Dec 15, 7:30 PM PST, 13 hours 15 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN DIEGO CA 730 PM PST MON DEC 15 2008 CAZ042-043-048-050-055-056-057-058-060-061-062-171200- 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- 730 PM PST MON DEC 15 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ALL OF EXTREME SOUTHWESTERN CALIFORNIA. .DAY ONE...TONIGHT. A COLD STORM WILL MOVE THROUGH SOUTHERN CALIFORNIA LATE TONIGHT AND WEDNESDAY. MARINE WEATHER STATEMENT FOR POSSIBLE THUNDERSTORMS AND WATERSPOUTS IN THE COASTAL WATERS LATE TONIGHT. FLASH FLOOD WATCH FOR THE SAN DIEGO COUNTY COASTAL AREAS...INLAND VALLEYS AND MOUNTAINS BELOW THE SNOW LEVEL LATE TONIGHT. WINTER STORM WARNING FOR THE MOUNTAINS AND WINTER WEATHER ADVISORY FOR THE HIGH DESERTS LATE TONIGHT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH TUESDAY. MARINE WEATHER STATEMENT FOR POSSIBLE THUNDERSTORMS AND WATERSPOUTS IN THE COASTAL WATERS THROUGH WEDNESDAY AFTERNOON. FLASH FLOOD WATCH FOR THE SAN DIEGO COUNTY COASTAL AREAS...INLAND VALLEYS...DESERTS AND MOUNTAINS BELOW THE SNOW LEVEL THROUGH WEDNESDAY EVENING. WINTER STORM WARNING FOR THE MOUNTAINS AND WINTER WEATHER ADVISORY FOR THE HIGH DESERTS THROUGH WEDNESDAY EVENING. .SPOTTER INFORMATION STATEMENT...SKYWARN WEATHER ACTIVATION IS NOT REQUESTED FOR THIS AREA AT THIS TIME...BUT MAY BE NEEDED LATE TONIGHT AND WEDNESDAY. ATKIN
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 15, 6:16 PM PST | Flash Flood Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 6 hr |
| Dec 16, 3:55 AM PST | Winter Storm Watch | SGX | Riverside, San Bernardino, San Diego | 5 hr |
| Dec 16, 8:45 AM PST | Winter Weather Advisory | SGX | San Bernardino | 43 hr |
| Dec 16, 9:14 AM PST | Flash Flood Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 35 hr |
| Dec 16, 11:38 AM PST | Marine Weather Statement | SGX | 28 hr |
Nearby
Winter Storm Warnings in California, 2008Every winter storm warning in 2008
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.