Alert archive / California / Wind Advisories in 2011
Wind Advisory 42, NWS San Diego, CA
NWS San Diego, CA issued this wind advisory at Nov 25, 2011, 6:58 PM PST for 4 counties in California. It took effect at Nov 26, 2011, 1:00 AM PST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Nov 25, 2011, 6:58 PM PST (02:58 UTC)
- In effect from
- Nov 26, 2011, 1:00 AM PST
- Expired
- Nov 26, 2011, 12:37 PM PST
- In force
- 12 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 02:58 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 00:00Z, 3.0 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
- 1151 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -84 m²/s²
- 0-3 km storm-relative helicity
- -21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
507 WWUS76 KSGX 260258 NPWSGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 658 PM PST FRI NOV 25 2011 ...LOCALLY WINDY CONDITIONS FROM OFFSHORE FLOW... .STRONG HIGH PRESSURE WILL BUILD OVER THE GREAT BASIN TONIGHT AND INCREASE OFFSHORE FLOW ACROSS SOUTHERN CALIFORNIA. NORTHEAST WINDS WILL INCREASE OVER THE SAN BERNARDINO AND SANTA ANA MOUNTAIN FOOTHILLS AND PASSES AFTER MIDNIGHT AND BECOME MORE WIDESPREAD SATURDAY MORNING. THESE WINDS WILL SPREAD INTO SAN DIEGO COUNTY MOUNTAINS AND FOOTHILLS SATURDAY AFTERNOON...WITH THE STRONGEST WINDS IN THIS REGION OCCURRING SATURDAY NIGHT AND SUNDAY. CAZ048-057-261100- /O.NEW.KSGX.WI.Y.0042.111126T0900Z-111126T2200Z/ SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE- SANTA ANA MOUNTAINS AND FOOTHILLS- 658 PM PST FRI NOV 25 2011 ...WIND ADVISORY IN EFFECT FROM 1 AM TO 2 PM PST SATURDAY... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 2 PM PST SATURDAY. * LOCATIONS: WIND PRONE AREAS OF CAJON PASS ON I-15 AND BANNING PASS ON I-10 AND INCLUDING LOCATIONS IN THE VICINITY OF RANCHO CUCAMONGA...FONTANA AND BEAUMONT. ALSO PARTS OF HIGHWAY 91 AND 55 DOWNWIND OF THE SANTA ANA MOUNTAINS. * TIMING: AFTER MIDNIGHT TONIGHT AND SHORTLY AFTER SUNRISE SATURDAY MORNING. CONTINUING THROUGH EARLY AFTERNOON ON SATURDAY. * WINDS: WINDS FROM THE NORTHEAST AT SPEEDS OF 20 TO 30 MPH WITH GUSTS 35 TO 45 MPH. * IMPACTS: HIGH PROFILE VEHICLES...UNSECURE OBJECTS AND TRAVEL THROUGH PASSES IN THE ADVISORY AREA WILL BE IMPACTED BY MODERATE WIND GUSTS REACHING 35 TO 45 MPH. 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. && $$ TARDY
2 follow-up statements
403 WWUS76 KSGX 261107 NPWSGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 307 AM PST SAT NOV 26 2011 ...GUSTY NORTHEAST WINDS THROUGH AND BELOW THE PASSES AND CANYONS THROUGH THE EARLY AFTERNOON... .STRONG HIGH PRESSURE WILL BUILDING OVER THE GREAT BASIN WILL GENERATE GUSTY NORTHEAST WINDS THROUGH AND BELOW THE PASSES AND CANYONS THROUGH THIS AFTERNOON. STRONGEST WINDS ARE EXPECTED BELOW THE CAJON PASS AND SANTA ANA MOUNTAINS TODAY WHERE GUSTS 35 TO 45 MPH ARE POSSIBLE. WINDS WILL DIMINISH TEMPORARILY THIS AFTERNOON...THEN STRENGTHEN AND TURN EAST OVERNIGHT. CAZ048-057-262200- /O.CON.KSGX.WI.Y.0042.000000T0000Z-111126T2200Z/ SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE- SANTA ANA MOUNTAINS AND FOOTHILLS- 307 AM PST SAT NOV 26 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PST THIS AFTERNOON... A WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PST THIS AFTERNOON. * LOCATIONS: THE INLAND EMPIRE BELOW THE CAJON AND BANNING PASSES...INCLUDING RIALTO...FONTANA...SAN BERNARDINO...AND BEAUMONT. THE PASSES AND CANYONS OF THE SANTA ANA MOUNTAINS INCLUDING PORTIONS OF HIGHWAYS 91 AND 55. * TIMING: THROUGH EARLY THIS AFTERNOON. * WINDS: WINDS FROM THE NORTHEAST 15 TO 25 MPH WITH GUSTS 35 TO 45 MPH. * IMPACTS: GUSTY WINDS CAN MAKE TRAVEL DIFFICULT...ESPECIALLY FOR MOTORISTS IN HIGH PROFILE VEHICLES. WATCH FOR BROKEN TREE LIMBS AND DOWNED POWER LINES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ SS
952 WWUS76 KSGX 262037 NPWSGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 1237 PM PST SAT NOV 26 2011 CAZ048-057-262145- /O.CAN.KSGX.WI.Y.0042.000000T0000Z-111126T2200Z/ SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE- SANTA ANA MOUNTAINS AND FOOTHILLS- 1237 PM PST SAT NOV 26 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE WIND ADVISORY. WINDS ARE EXPECTED TO REMAIN GENERALLY BELOW ADVISORY CRITERIA FOR THE REMAINDER OF THE DAY. WINDS WILL LIKELY INCREASE AGAIN OVERNIGHT INTO SUNDAY MORNING FROM THE EAST AT 20 TO 30 MPH WITH LOCAL GUSTS TO 40 MPH THROUGH AND BELOW THE WINDIER PASSES AND CANYONS. $$ JAD
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.