Alert archive / California / High Wind Warnings in 2012
High Wind Warning 18, NWS San Diego, CA
NWS San Diego, CA issued this high wind warning at May 17, 2012, 1:19 PM PDT for Riverside County, California. It took effect at May 17, 2012, 3:00 PM PDT. It was in force for 15 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
- May 17, 2012, 1:19 PM PDT (20:19 UTC)
- In effect from
- May 17, 2012, 3:00 PM PDT
- Expired
- May 18, 2012, 6:00 AM PDT
- In force
- 15 hr
- Issued by
- NWS San Diego, CA
County Riverside County, CA
The radar
The San Diego radar (KNKX), 134 km from the middle of the area, began a volume at 20:23 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 |
|---|---|---|---|
| May 17, 11:00 PM PDT | NON-TSTM WND GST 63 | 10 Nw Palm Springs, CA | AT WHITE WATER...WINDS FIRST GUSTED OVER 45 MPH AT 7 PM ON 5/17/12 AND CONTINUED THROUGH 9 AM ON 5/18/12. THE PEAK WIND GUST OF 63 MPH OCCURED AT 11 PM PDT. |
| May 18, 1:00 AM PDT | NON-TSTM WND GST 74 | 5 Ne Thousand Palms, CA | AT SKY VALLEY...WINDS FIRST GUSTED OVER 45 MPH AT 5 PM ON 5/17/12 AND CONTINUED THROUGH 1 PM ON 5/18/12. THE PEAK WIND GUST OF 74 MPH OCCURED AT 1 AM PDT. |
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, 8.3 hours before the alert went out and 154 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
- 1832 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
854 WWUS76 KSGX 172019 NPWSGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 119 PM PDT THU MAY 17 2012 ...STRONG AND GUSTY WESTERLY WINDS LATE THIS AFTERNOON AND TONIGHT IN THE MOUNTAINS AND DESERTS OF SOUTHWESTERN CALIFORNIA... .AN APPROACHING LOW PRESSURE TROUGH WILL BRING A PERIOD OF STRONG AND GUSTY WESTERLY WINDS LATE THIS AFTERNOON AND TONIGHT IN THE MOUNTAINS AND DESERTS. WIND GUSTS WILL EXCEED 50 MPH AT TIMES... ESPECIALLY ALONG INTERSTATE 10 NEAR BANNING PASS AND ALONG INTERSTATE 8 NEAR THE SAN DIEGO-IMPERIAL COUNTY LINE. WINDS WILL GRADUALLY DIMINISH FRIDAY MORNING AS THE FORCING WEAKENS. CAZ061-180430- /O.UPG.KSGX.WI.Y.0035.120517T2200Z-120518T1300Z/ /O.NEW.KSGX.HW.W.0018.120517T2200Z-120518T1300Z/ COACHELLA VALLEY- 119 PM PDT THU MAY 17 2012 ...HIGH WIND WARNING IN EFFECT UNTIL 6 AM PDT FRIDAY... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND WARNING FOR NORTHERN PORTIONS OF THE COACHELLA VALLEY...WHICH IS IN EFFECT UNTIL 6 AM PDT FRIDAY. THE WIND ADVISORY IS NO LONGER IN EFFECT. * WINDS...WESTERLY 30 TO 40 MPH WITH LOCAL GUSTS TO 60 MPH. * TIMING...LATE THIS AFTERNOON AND TONIGHT. * LOCATION...STRONGEST WINDS OVER NORTHERN PORTIONS OF THE VALLEY INCLUDING THE 111 INTO PALM SPRINGS...AND THE I-10 CORRIDOR THROUGH THE BANNING PASS. * VISIBILITY...LOCALLY BELOW 1/4 MILE IN HEAVY BLOWING DUST AND SAND. * IMPACTS...MOTORISTS MAY ENCOUNTER DIFFICULT AND HAZARDOUS DRIVING CONDITIONS DUE TO STRONG CROSS WINDS...REDUCED VISIBILITY... AND DEBRIS ON ROADWAYS. * OUTLOOK...WINDS WILL GRADUALLY DIMINISH FRIDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. WIND GUSTS OF AT LEAST 58 MPH ARE EXPECTED. && $$ CAZ055-056-058-060-062-180430- /O.EXT.KSGX.WI.Y.0035.120518T0000Z-120518T1300Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS- SAN DIEGO COUNTY DESERTS- 119 PM PDT THU MAY 17 2012 ...WIND ADVISORY NOW IN EFFECT FROM 5 PM THIS AFTERNOON TO 6 AM PDT FRIDAY... * WINDS...WESTERLY 20 TO 30 MPH WITH LOCAL GUSTS OVER 50 MPH. * TIMING...LATE THIS AFTERNOON AND TONIGHT. * LOCATION...STRONGEST WINDS ALONG THE I-8 CORRIDOR THROUGH SOUTHEASTERN SAN DIEGO COUNTY...NEAR LUCERNE VALLEY IN SAN BERNARDINO COUNTY AND ALONG MOUNTAIN CRESTS. * VISIBILITY...LOCALLY BELOW 1 MILE IN BLOWING DUST. * IMPACTS...MOTORISTS OPERATING HIGH PROFILE VEHICLES WILL ENCOUNTER DIFFICULT DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. WATCH FOR DEBRIS ON ROADWAYS AND USE EXTRA CAUTION. && $$ JAD
2 follow-up statements
159 WWUS76 KSGX 180412 NPWSGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 912 PM PDT THU MAY 17 2012 ...STRONG AND GUSTY WESTERLY WINDS TONIGHT IN THE MOUNTAINS AND DESERTS OF SOUTHWESTERN CALIFORNIA... .A LOW PRESSURE TROUGH WILL BRING GUSTY WESTERLY WINDS TO THE MOUNTAINS AND DESERTS TONIGHT. WIND GUSTS WILL EXCEED 50 MPH AT TIMES...ESPECIALLY ALONG INTERSTATE 10 NEAR BANNING PASS AND ALONG INTERSTATE 8 NEAR THE SAN DIEGO-IMPERIAL COUNTY LINE. WINDS WILL GRADUALLY DIMINISH FRIDAY MORNING. CAZ061-181300- /O.CON.KSGX.HW.W.0018.000000T0000Z-120518T1300Z/ COACHELLA VALLEY- 912 PM PDT THU MAY 17 2012 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM PDT FRIDAY... * WINDS...WESTERLY 30 TO 40 MPH WITH LOCAL GUSTS TO 60 MPH. * TIMING...TONIGHT. * LOCATION...STRONGEST WINDS OVER NORTHERN PORTIONS OF THE VALLEY INCLUDING HIGHWAY 111 INTO PALM SPRINGS...AND THE I-10 CORRIDOR THROUGH THE BANNING PASS. * VISIBILITY...LOCALLY REDUCED IN BLOWING DUST AND SAND. * IMPACTS...MOTORISTS MAY ENCOUNTER DIFFICULT AND HAZARDOUS DRIVING CONDITIONS DUE TO STRONG CROSS WINDS...AND REDUCED VISIBILITY. * OUTLOOK...WINDS WILL GRADUALLY DIMINISH FRIDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. WIND GUSTS OF AT LEAST 58 MPH ARE EXPECTED. && $$ CAZ055-056-058-060-062-181300- /O.CON.KSGX.WI.Y.0035.000000T0000Z-120518T1300Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS- SAN DIEGO COUNTY DESERTS- 912 PM PDT THU MAY 17 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM PDT FRIDAY... * WINDS...WESTERLY 20 TO 30 MPH WITH LOCAL GUSTS OVER 50 MPH. * TIMING...TONIGHT. * LOCATION...STRONGEST WINDS ALONG THE I-8 CORRIDOR THROUGH SOUTHEASTERN SAN DIEGO COUNTY...NEAR LUCERNE VALLEY IN SAN BERNARDINO COUNTY AND ALONG MOUNTAIN CRESTS. * VISIBILITY...LOCALLY BELOW 1 MILE IN BLOWING DUST. * IMPACTS...MOTORISTS OPERATING HIGH PROFILE VEHICLES WILL ENCOUNTER DIFFICULT DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. WATCH FOR DEBRIS ON ROADWAYS AND USE EXTRA CAUTION. && $$ MOEDE
991 WWUS76 KSGX 181236 NPWSGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 536 AM PDT FRI MAY 18 2012 ...WINDS TO DECREASE THIS MORNING... .WINDS WILL CONTINUE TO DECREASE THIS MORNING. MOST AREAS WILL HAVE WIND GUSTS LESS THAN 35 MPH AFTER SUNRISE...EXCEPT LOCALLY IN THE FAR NORTHERN PART OF THE COACHELLA VALLEY WHERE A FEW GUSTS OVER 45 MPH WILL CONTINUE. THE HIGH WIND WARNING FOR THE COACHELLA VALLEY AND THE WIND ADVISORIES FOR OTHER MOUNTAIN AND DESERT LOCATIONS WILL EXPIRE AT 600 AM. CAZ061-181345- /O.EXP.KSGX.HW.W.0018.000000T0000Z-120518T1300Z/ COACHELLA VALLEY- 536 AM PDT FRI MAY 18 2012 ...HIGH WIND WARNING WILL EXPIRE AT 6 AM PDT EARLY THIS MORNING... WINDS WILL DECREASE IN MOST AREAS TODAY...THOUGH A FEW LOCALITIES IN THE FAR NORTH PART OF THE COACHELLA VALLEY WILL HAVE LOCAL GUSTS OVER 45 MPH. MOST OTHER AREAS WILL HAVE WINDS OF 10 TO 15 MPH WITH GUSTS OF 25 MPH TODAY. $$ CAZ055-056-058-060-062-181345- /O.EXP.KSGX.WI.Y.0035.000000T0000Z-120518T1300Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS- SAN DIEGO COUNTY DESERTS- 536 AM PDT FRI MAY 18 2012 ...WIND ADVISORY WILL EXPIRE AT 6 AM PDT EARLY THIS MORNING... WINDS WILL CONTINUE TO DECREASE TODAY. MOST AREAS WILL HAVE WINDS OF 10 TO 20 MPH WITH LOCAL GUSTS TO 35 MPH. $$ MAXWELL
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 3:56 AM PDT | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 26 hr |
Nearby
High Wind Warnings in California, 2012Every high wind warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.