Alert archive / California / Wind Advisories in 2012
Wind Advisory 21, NWS San Diego, CA
NWS San Diego, CA issued this wind advisory at Mar 7, 2012, 5:55 AM PST for 4 counties in California. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Mar 7, 2012, 5:55 AM PST (13:55 UTC)
- Expired
- Mar 7, 2012, 1:18 PM PST
- In force
- 7 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 13:55 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, 1.9 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
- 36 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 738 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- -36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
235 WWUS76 KSGX 071355 NPWSGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 555 AM PST WED MAR 7 2012 ...STRONG GUSTY NORTH TO NORTHEAST WINDS THROUGH EARLY AFTERNOON... .UPPER LEVEL LOW PRESSURE OVER SOUTHERN NEVADA WILL BEING GUSTY NORTH TO NORTHEAST WINDS THROUGH EARLY AFTERNOON THROUGH AND BELOW PASSES AND CANYONS AND NEAR COASTAL FOOTHILLS. CAZ042-048-055-057-072200- /O.NEW.KSGX.WI.Y.0021.120307T1355Z-120307T2200Z/ ORANGE COUNTY COASTAL AREAS- SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE- SAN BERNARDINO COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS- 555 AM PST WED MAR 7 2012 ...WIND ADVISORY IN EFFECT UNTIL 2 PM PST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 2 PM PST THIS AFTERNOON. * TIMING: WINDS DEVELOPING AFTER SUNRISE AND CONTINUING THROUGH EARLY AFTERNOON. * WINDS: AREAS OF NORTH TO NORTHEAST WINDS 20 TO 30 MPH WITH GUSTS TO 50 MPH. ISOLATED GUSTS TO 60 MPH ARE POSSIBLE. * 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. && $$ CURRENT WIND GUST REPORTS ON THE WEB: HTTP://WWW.WRH.NOAA.GOV/SGX/GMAP/INDEX.PHP MAX DAILY WIND GUST REPORTS ON THE WEB: HTTP://WWW.WRH.NOAA.GOV/SGX/KML/WIND.PHP?WFO=SGX MARTIN
1 follow-up statement
690 WWUS76 KSGX 072118 NPWSGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 118 PM PST WED MAR 7 2012 CAZ042-048-055-057-072230- /O.CAN.KSGX.WI.Y.0021.000000T0000Z-120307T2200Z/ ORANGE COUNTY COASTAL AREAS- SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE- SAN BERNARDINO COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS- 118 PM PST WED MAR 7 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE WIND ADVISORY. WINDS ARE DECREASING OVER THE AREA THIS AFTERNOON AND ARE EXPECTED TO REMAIN BELOW ADVISORY CRITERIA FOR THE REMAINDER OF THE DAY. NORTHEAST WINDS ARE LIKELY TO INCREASE AGAIN LATER TONIGHT THROUGH AND BELOW WIND PRONE PASSES AND CANYONS...AND CONTINUE THROUGH THURSDAY MORNING. A WIND ADVISORY MAY NEED TO BE REISSUED IN SOME AREAS AS THESE WINDS INCREASE. $$ JAD
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 7:54 PM PST | Small Craft Advisory for Hazardous Seas | SGX | 6 hr |
Nearby
Wind Advisories in California, 2012Every wind advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.