Alert archive / California / High Wind Warnings in 2011
High Wind Warning 9, NWS San Diego, CA
NWS San Diego, CA issued this high wind warning at Apr 30, 2011, 3:11 AM PDT for 4 counties in California. It was in force for 11 hr. 1 report 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
- Apr 30, 2011, 3:11 AM PDT (10:11 UTC)
- Expired
- Apr 30, 2011, 2:00 PM PDT
- In force
- 11 hr
- Issued by
- NWS San Diego, CA
Counties Orange County, CA, Riverside County, CA, San Bernardino County, CA, San Diego County, CA
The radar
The Santa Ana Mts radar (KSOX), 88 km from the middle of the area, began a volume at 10:16 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 |
|---|---|---|---|
| Apr 30, 7:30 AM PDT | NON-TSTM WND GST 79 | Fremont Canyon, CA | FREMONT CANYON RAWS STATION FRCC1 RECORDED A WIND GUST OF 79 MPH AT ABOUT 730 AM. |
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 00:00Z, 10.2 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
- 1278 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- -73 m²/s²
- 0-3 km storm-relative helicity
- -39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
086 WWUS76 KSGX 301011 NPWSGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 311 AM PDT SAT APR 30 2011 ...STRONG OFFSHORE WINDS FOR THE INLAND EMPIRE AND PORTIONS OF ORANGE COUNTY THROUGH EARLY AFTERNOON... .SURFACE HIGH PRESSURE OVER THE GREAT BASIN AND NORTHWEST WINDS ALOFT OVER SOUTHERN CALIFORNIA WILL BRING STRONG GUSTY OFFSHORE WINDS THROUGH AND BELOW PASSES AND CANYONS THIS MORNING...DIMINISHING THIS AFTERNOON. WEAKER OFFSHORE FLOW WILL CONTINUE INTO MONDAY WITH ADVISORY STRENGTH WINDS POSSIBLE FOR THE INLAND EMPIRE AND ORANGE COUNTY LATE TONIGHT INTO SUNDAY AND FOR PORTIONS OF SAN DIEGO COUNTY LATE SUNDAY NIGHT THROUGH MONDAY. CAZ055-301115- /O.CAN.KSGX.WI.Y.0023.000000T0000Z-110430T2100Z/ SAN BERNARDINO COUNTY MOUNTAINS- 311 AM PDT SAT APR 30 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE WIND ADVISORY. AREAS OF NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 45 MPH THROUGH EARLY AFTERNOON...MAINLY THROUGH PASSES AND CANYONS. $$ CAZ042-048-057-302100- /O.UPG.KSGX.WI.Y.0023.000000T0000Z-110430T2100Z/ /O.NEW.KSGX.HW.W.0009.110430T1011Z-110430T2100Z/ ORANGE COUNTY COASTAL AREAS- SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE- SANTA ANA MOUNTAINS AND FOOTHILLS- 311 AM PDT SAT APR 30 2011 ...HIGH WIND WARNING IN EFFECT UNTIL 2 PM PDT THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 2 PM PDT THIS AFTERNOON. THE WIND ADVISORY IS NO LONGER IN EFFECT. * TIMING: WINDS INCREASING THROUGH SUNRISE...THEN STRONGEST THROUGH LATE MORNING...THEN GRADUALLY DIMINISHING IN THE AFTERNOON. * WINDS: AREAS OF NORTHEAST WINDS INCREASING TO 25 TO 35 MPH WITH GUSTS TO 65 MPH BELOW PASSES AND CANYONS. WINDS GRADUALLY DIMINISHING DURING THE AFTERNOON. * IMPACTS: THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR BROKEN TREE LIMBS AND DOWNED POWER LINES. THIS WILL BE PARTICULARLY HAZARDOUS FOR HIGH PROFILES VEHICLES BELOW CAJON PASS ON PORTIONS OF THE 10...60...15...AND 215 FREEWAYS. * OUTLOOK; ADDITIONAL ROUNDS OF GUSTY OFFSHORE WINDS...NOT QUITE AS STRONG AS TODAY...ARE EXPECTED FOR LATE TONIGHT INTO SUNDAY MORNING AND AGAIN LATE SUNDAY NIGHT INTO MONDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR BROKEN TREE LIMBS AND DOWNED POWER LINES. && $$ CURRENT WIND GUST REPORTS ON THE WEB: HTTP://WWW.WRH.NOAA.GOV/SGX/GMAP/INDEX.PHP MAX DAILY WIND GUST REPORTS ON THE WEB: HTTP://WWW.WRH.NOAA.GOV/SGX/KML/WIND.PHP?WFO=SGX MARTIN
1 follow-up statement
281 WWUS76 KSGX 302050 NPWSGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 150 PM PDT SAT APR 30 2011 ...GUSTY OFFSHORE WINDS AT TIMES THROUGH SUNDAY AFTERNOON... .SURFACE HIGH PRESSURE OVER THE GREAT BASIN AND NORTH WINDS ALOFT OVER SOUTHERN CALIFORNIA WILL BRING GUSTY OFFSHORE WINDS THROUGH AND BELOW PASSES AND CANYONS THIS AFTERNOON THROUGH SUNDAY AFTERNOON. WINDS WILL BRIEFLY DIE DOWN LATE THIS AFTERNOON AND INCREASE AGAIN LATE THIS EVENING. NORTHEAST TO EAST WINDS WILL STRENGTHEN LATE SUNDAY INTO MONDAY IN PORTIONS OF SAN DIEGO AND RIVERSIDE COUNTIES. CAZ042-048-057-010500- /O.EXP.KSGX.HW.W.0009.000000T0000Z-110430T2100Z/ /O.NEW.KSGX.WI.Y.0024.110430T2100Z-110501T2100Z/ ORANGE COUNTY COASTAL AREAS- SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE- SANTA ANA MOUNTAINS AND FOOTHILLS- 150 PM PDT SAT APR 30 2011 ...WIND ADVISORY IN EFFECT UNTIL 2 PM PDT SUNDAY... ...HIGH WIND WARNING WILL EXPIRE AT 2 PM PDT THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 2 PM PDT SUNDAY. THE HIGH WIND WARNING WILL EXPIRE AT 2 PM PDT THIS AFTERNOON. * TIMING: WINDS DECREASING THROUGH THE AFTERNOON...THEN INCREASING LATE THIS EVENING. WINDS WILL PEAK BETWEEN SUNRISE AND MID MORNING...THEN DIMINISH BY MID AFTERNOON. * WINDS: AREAS OF NORTHEAST WINDS INCREASING TO 20 TO 30 MPH WITH GUSTS TO 45 MPH BELOW PASSES AND CANYONS. WINDS GRADUALLY DIMINISHING DURING THE AFTERNOON. * IMPACTS: THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR BROKEN TREE LIMBS AND DOWNED POWER LINES. THIS WILL BE PARTICULARLY HAZARDOUS FOR HIGH PROFILES VEHICLES BELOW CAJON PASS ON PORTIONS OF THE 10...60...15...AND 215 FREEWAYS. * OUTLOOK: STRONGER GUSTY OFFSHORE WINDS ARE EXPECTED AGAIN LATE SUNDAY NIGHT INTO MONDAY. 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. USE EXTRA CAUTION. && $$ CAZ055-010500- /O.NEW.KSGX.WI.Y.0024.110430T2100Z-110501T2100Z/ SAN BERNARDINO COUNTY MOUNTAINS- 150 PM PDT SAT APR 30 2011 ...WIND ADVISORY IN EFFECT UNTIL 2 PM PDT SUNDAY... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 2 PM PDT SUNDAY. * TIMING: THIS AFTERNOON THROUGH SUNDAY AFTERNOON. WINDS WILL BRIEFLY WEAKEN LATE THIS AFTERNOON THROUGH LATE EVENING...THEN INCREASE OVERNIGHT. WINDS WILL PEAK EARLY SUNDAY MORNING...WEAKENING IN THE AFTERNOON. * WINDS: 20 TO 30 MPH WITH GUSTS 45 TO 50 MPH. * IMPACTS: THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR BROKEN TREE LIMBS AND DOWNED POWER LINES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ SS
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 1:50 PM PDT | Wind Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 24 hr |
Nearby
High Wind Warnings in California, 2011Every high wind warning in 2011
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.