Alert archive / California / High Wind Warnings in 2008
High Wind Warning 21, NWS San Diego, CA
NWS San Diego, CA issued this high wind warning at Dec 17, 2008, 12:35 PM PST for 4 counties in California. It was in force for 6 hr. 15 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 17, 2008, 12:35 PM PST (20:35 UTC)
- Expired
- Dec 17, 2008, 7:00 PM PST
- In force
- 6 hr
- Issued by
- NWS San Diego, CA
Counties Orange County, CA, Riverside County, CA, San Bernardino County, CA, San Diego County, CA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| 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, 1:48 PM PST | HAIL 0.25 | 3 Nnw Lake Elsinore, CA | |
| 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, 3:00 PM PST | FLASH FLOOD | Thousand Palms, CA | MOTORIST DROVE VEHICLE AROUND BARRICADES INTO A FLOODED INTERSECTION, GOT STRANDED AND HAD TO BE RESCUED. |
| Dec 17, 3:30 PM PST | FLASH FLOOD | Indio, CA | APARTMENT ROOF COLLAPSED UNDER THE WEIGHT OF ACCUMULATED RAINFALL. |
| 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, 5:00 PM PST | HIGH SUST WINDS 41 | Imperial Beach, CA | |
| Dec 17, 5:45 PM PST | HEAVY SNOW 16 | 4 W Joshua Tree (C1828), 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, 8.6 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
- 767 m above ground
- 0-6 km bulk shear
- 78 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 305 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS76 KSGX 172035 NPWSGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 1235 PM PST WED DEC 17 2008 ...GUSTY EAST TO NORTHEAST WINDS TODAY... .A NEAR STATIONARY LOW PRESSURE SYSTEM OFF THE COAST TODAY AND STRONG HIGH PRESSURE OVER THE GREAT BASIN WILL CONTINUE GUSTY EAST TO NORTHEAST WINDS THROUGH THIS EVENING. CAZ048-057-180300- /O.UPG.KSGX.WI.Y.0089.000000T0000Z-081218T0300Z/ /O.NEW.KSGX.HW.W.0021.081217T2035Z-081218T0300Z/ SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE- SANTA ANA MOUNTAINS AND FOOTHILLS- 1235 PM PST WED DEC 17 2008 ...HIGH WIND WARNING IN EFFECT UNTIL 7 PM PST THIS EVENING... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 7 PM PST THIS EVENING. THE WIND ADVISORY IS NO LONGER IN EFFECT. WINDS GUSTS BETWEEN 55 AND 72 MPH HAVE BEEN OBSERVED IN THE BANNING PASS AND SANTA ANA MOUNTAINS AND FOOTHILLS..INCLUDING THE CHINO HILLS SINCE NOON. STRONG GUSTY WINDS ARE LIKELY TO CONTINUE THROUGH THIS EVENING UNTIL THE LOW PRESSURE SYSTEM MOVES ONSHORE. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. $$ CAZ042-043-050-180300- /O.CON.KSGX.WI.Y.0089.000000T0000Z-081218T0300Z/ ORANGE COUNTY COASTAL AREAS-SAN DIEGO COUNTY COASTAL AREAS- SAN DIEGO COUNTY VALLEYS- 1235 PM PST WED DEC 17 2008 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING. GUSTY EAST TO NORTHEAST WINDS...35 TO 45 MPH...ARE POSSIBLE IN OVER THE ORANGE COUNTY COASTAL PLAIN...THE SAN DIEGO COUNTY COAST...AND THE INLAND VALLEYS OF SAN DIEGO COUNTY...PARTICULARLY DOWN RIVER CANYONS AND BELOW PASSES AND CANYONS IN THE FOOTHILLS. A WIND ADVISORY MEANS THAT WIND GUSTS OF 35 MPH OR HIGHER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$ BALFOUR
1 follow-up statement
000 WWUS76 KSGX 180247 NPWSGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 647 PM PST WED DEC 17 2008 CAZ048-057-180400- /O.EXP.KSGX.HW.W.0021.000000T0000Z-081218T0300Z/ SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE- SANTA ANA MOUNTAINS AND FOOTHILLS- 647 PM PST WED DEC 17 2008 ...HIGH WIND WARNING WILL EXPIRE AT 7 PM PST THIS EVENING... THE HIGH WIND WARNING WILL EXPIRE AT 7 PM PST THIS EVENING. $$ CAZ042-043-050-180400- /O.EXP.KSGX.WI.Y.0089.000000T0000Z-081218T0300Z/ ORANGE COUNTY COASTAL AREAS-SAN DIEGO COUNTY COASTAL AREAS- SAN DIEGO COUNTY VALLEYS- 647 PM PST WED DEC 17 2008 ...WIND ADVISORY WILL EXPIRE AT 7 PM PST THIS EVENING... THE WIND ADVISORY WILL EXPIRE AT 7 PM PST THIS EVENING. $$
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 17, 8:39 AM PST | Wind Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 10 hr |
| Dec 17, 10:59 AM PST | Flash Flood Warning | SGX | Riverside | 6 hr |
| Dec 17, 11:20 AM PST | Areal Flood Advisory | SGX | San Diego | 4 hr |
| Dec 17, 3:28 PM PST | Areal Flood Advisory | SGX | San Diego | 6 hr |
Nearby
High Wind Warnings in California, 2008Every high wind 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.