Alert archive / California / Wind Advisories in 2011
Wind Advisory 23, NWS San Diego, CA
NWS San Diego, CA issued this wind advisory at Apr 29, 2011, 1:33 PM PDT for 4 counties in California. It took effect at Apr 29, 2011, 11:00 PM PDT. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Apr 29, 2011, 1:33 PM PDT (20:33 UTC)
- In effect from
- Apr 29, 2011, 11:00 PM PDT
- Expired
- Apr 30, 2011, 3:11 AM PDT
- In force
- 4 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 20:36 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.
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
- 826 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
218 WWUS76 KSGX 292033 NPWSGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 133 PM PDT FRI APR 29 2011 ...GUSTY OFFSHORE WINDS LATE THIS EVENING THROUGH SATURDAY AFTERNOON... .SURFACE HIGH PRESSURE BUILDING OVER THE GREAT BASIN WILL GENERATE GUSTY NORTHEAST THROUGH AND BELOW THE MOUNTAINS PASSES AND CANYONS OF THE SAN BERNARDINO AND SANTA ANA MOUNTAINS...INLAND EMPIRE...AND PORTIONS OF ORANGE COUNTY. WINDS ARE EXPECTED TO PEAK BETWEEN SUNRISE AND MID MORNING SATURDAY...THEN WEAKEN IN THE AFTERNOON. GUSTY NORTHEAST TO EAST WINDS WILL CONTINUE INTO EARLY NEXT WEEK...MAINLY THROUGH AND BELOW THE PASSES AND CANYONS. CAZ042-048-300500- /O.UPG.KSGX.HW.A.0005.110430T1200Z-110430T2100Z/ /O.NEW.KSGX.WI.Y.0023.110430T0600Z-110430T2100Z/ ORANGE COUNTY COASTAL AREAS- SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE- 133 PM PDT FRI APR 29 2011 ...WIND ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 2 PM PDT SATURDAY... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 2 PM PDT SATURDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * TIMING: LATE THIS EVENING THROUGH SATURDAY AFTERNOON. * WINDS: NORTH TO NORTHEAST WINDS 20 TO 30 MPH WITH GUSTS UP TO 50 MPH. * IMPACTS: THESE TYPE OF GUSTY WINDS COULD CAUSE BROKEN TREE LIMBS AND DOWNED POWER LINES AS WELL AS MAKE DRIVING DIFFICULT... ESPECIALLY FOR MOTORISTS WITH HIGH PROFILE VEHICLES. VISIBILITIES MAY REDUCE AT TIMES IN BLOWING DUST. 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. && $$ CAZ055-057-300500- /O.UPG.KSGX.HW.A.0005.110430T0600Z-110430T2100Z/ /O.NEW.KSGX.WI.Y.0023.110430T0600Z-110430T2100Z/ SAN BERNARDINO COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS- 133 PM PDT FRI APR 29 2011 ...WIND ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 2 PM PDT SATURDAY... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 2 PM PDT SATURDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * TIMING: LATE THIS EVENING THROUGH SATURDAY AFTERNOON. * WINDS: NORTH WINDS 20 TO 35 MPH...WITH GUSTS UP TO 50 MPH. ISOLATED GUSTS TO 60 MPH ARE POSSIBLE THROUGH THE FAVORED PASSES AND CANYONS. * IMPACTS: THESE TYPE OF GUSTY WINDS COULD CAUSE BROKEN TREE LIMBS AND DOWNED POWER LINES. THIS WILL ALSO MAKE DRIVING DIFFICULT... ESPECIALLY FOR MOTORISTS WITH HIGH PROFILE VEHICLES ALONG INTERSTATE 15 THROUGH AND JUST SOUTH OF THE CAJON PASS. VISIBILITIES MAY REDUCE AT TIMES IN BLOWING DUST. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ SS
2 follow-up statements
531 WWUS76 KSGX 300444 NPWSGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 944 PM PDT FRI APR 29 2011 ...STRONG OFFSHORE WINDS TONIGHT THROUGH SATURDAY AFTERNOON... .STRONG NORTH TO NORTHEAST WINDS ARE FORECAST THROUGH THE CAJON PASS AND INTO THE INLAND EMPIRE TONIGHT...AND ALSO ACROSS THE SANTA ANA MOUNTAINS AND FOOTHILLS. STRONGEST WINDS WILL IMPACT THE AREA LATE TONIGHT AND CONTINUE THROUGH EARLY SATURDAY AFTERNOON. CAZ042-048-055-057-301200- /O.CON.KSGX.WI.Y.0023.110430T0600Z-110430T2100Z/ ORANGE COUNTY COASTAL AREAS- SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE- SAN BERNARDINO COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS- 944 PM PDT FRI APR 29 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT SATURDAY... A WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT SATURDAY. * TIMING: TONIGHT THROUGH SATURDAY AFTERNOON. * WINDS: NORTH TO NORTHEAST WINDS 25 TO 35 MPH WITH GUSTS FROM 55 TO 60 MPH. * IMPACTS: BROKEN TREE LIMBS AND DOWNED POWER LINES. HAZARDOUS DRIVING FOR HIGH PROFILE VEHICLES ON I-15 THROUGH THE CAJON PASS I-10 IN THE INLAND EMPIRE. 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. && $$ MOEDE
086 WWUS76 KSGX 301011 NPWSGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 311 AM PDT SAT APR 30 2011 ...STRONG OFFSHORE WINDS FOR THE INLAND EMPIRE AND PORTIONS OF ORANGE COUNTY THROUGH EARLY AFTERNOON... .SURFACE HIGH PRESSURE OVER THE GREAT BASIN AND NORTHWEST WINDS ALOFT OVER SOUTHERN CALIFORNIA WILL BRING STRONG GUSTY OFFSHORE WINDS THROUGH AND BELOW PASSES AND CANYONS THIS MORNING...DIMINISHING THIS AFTERNOON. WEAKER OFFSHORE FLOW WILL CONTINUE INTO MONDAY WITH ADVISORY STRENGTH WINDS POSSIBLE FOR THE INLAND EMPIRE AND ORANGE COUNTY LATE TONIGHT INTO SUNDAY AND FOR PORTIONS OF SAN DIEGO COUNTY LATE SUNDAY NIGHT THROUGH MONDAY. CAZ055-301115- /O.CAN.KSGX.WI.Y.0023.000000T0000Z-110430T2100Z/ SAN BERNARDINO COUNTY MOUNTAINS- 311 AM PDT SAT APR 30 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE WIND ADVISORY. AREAS OF NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 45 MPH THROUGH EARLY AFTERNOON...MAINLY THROUGH PASSES AND CANYONS. $$ 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
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 2:50 AM PDT | High Wind Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 11 hr |
| Apr 29, 3:49 AM PDT | Small Craft Advisory | SGX | 17 hr |
Nearby
Wind Advisories in California, 2011Every wind advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.