Alert archive / California / Wind Advisories in 2012
Wind Advisory 6, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this wind advisory at Nov 29, 2012, 11:23 AM PST for 7 counties in California. It was in force for 27 hr.
The area
The counties it named.
The facts
- Issued
- Nov 29, 2012, 11:23 AM PST (19:23 UTC)
- Expired
- Nov 30, 2012, 2:00 PM PST
- In force
- 27 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties City and County of San Francisco, CA, Marin County, CA, Monterey County, CA, San Mateo County, CA, Santa Clara County, CA, Santa Cruz County, CA, Sonoma County, CA
The radar
The San Francisco radar (KMUX), 45 km from the middle of the area, began a volume at 19:26 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
Oakland, CA (KOAK), launched 12:00Z, 7.4 hours before the alert went out and 29 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
- 16 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 903 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 189 m²/s²
- 0-3 km storm-relative helicity
- 241 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
210 WWUS76 KMTR 291923 NPWMTR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1123 AM PST THU NOV 29 2012 ...STRONG AND GUSTY WINDS EXPECTED TO MOVE ACROSS MOST OF THE SAN FRANCISCO BAY AND MONTEREY BAY AREAS... .THE NEXT IN A SERIES OF PACIFIC COLD FRONTS WILL MOVE ONSHORE TONIGHT AND FRIDAY. SOUTHERLY WINDS WILL INCREASE AHEAD OF AND WITH THE FRONTAL SYSTEM. WIND GUSTS COULD BE STRONG ENOUGH TO DOWN TREES AND POWER LINES. THE STRONGEST WINDS ARE EXPECTED TO OCCUR NEAR THE COAST WHERE LOCAL GUSTS TO 50 MPH ARE POSSIBLE. CAZ505-507-300900- /O.NEW.KMTR.WI.Y.0006.121129T1923Z-121130T1500Z/ COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- NORTH BAY MOUNTAINS- 1123 AM PST THU NOV 29 2012 ...WIND ADVISORY IN EFFECT UNTIL 7 AM PST FRIDAY... THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS ISSUED A WIND ADVISORY FOR THE COASTAL NORTH BAY AND THE NORTH BAY MOUNTAINS...WHICH IS IN EFFECT UNTIL 7 AM PST FRIDAY. * TIMING: THROUGH 7 AM FRIDAY. THE STRONGEST WINDS ARE EXPECTED AFTER MIDNIGHT. * WINDS: SOUTHERLY WINDS SUSTAINED TO 35 MPH WITH GUSTS TO 50 MPH POSSIBLE...WITH GUSTS TO 70 MPH POSSIBLE IN THE HIGHER TERRAIN. * IMPACTS: DOWNED TREES AND POWER LINES LEADING TO POWER OUTAGES. 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. && $$ CAZ006-509-511-512-529-300900- /O.NEW.KMTR.WI.Y.0006.121130T0600Z-121130T1900Z/ SAN FRANCISCO-SAN FRANCISCO PENINSULA COAST- EAST BAY HILLS AND DIABLO RANGE-SANTA CRUZ MOUNTAINS- NORTHERN MONTEREY BAY- 1123 AM PST THU NOV 29 2012 ...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 11 AM PST FRIDAY... THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS ISSUED A WIND ADVISORY FOR THE SAN FRANCISCO PENINSULA COAST INCLUDING SAN FRANCISCO...THE SANTA CRUZ MOUNTAINS AND THE NORTHERN MONTEREY BAY...AND THE EAST BAY HILLS...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 11 AM PST FRIDAY. * TIMING: FROM 10 PM THURSDAY EVENING THROUGH 11 AM FRIDAY MORNING. THE STRONGEST WINDS ARE EXPECTED FRIDAY MORNING. * WINDS: SOUTHERLY WINDS SUSTAINED TO 35 MPH WITH GUSTS TO 50 MPH POSSIBLE. GUSTS TO 70 MPH ARE POSSIBLE IN THE HIGHER TERRAIN. * IMPACTS:DOWNED TREES AND POWER LINES LEADING TO POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ517-530-300900- /O.NEW.KMTR.WI.Y.0006.121130T1600Z-121130T2200Z/ SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 1123 AM PST THU NOV 29 2012 ...WIND ADVISORY IN EFFECT FROM 8 AM TO 2 PM PST FRIDAY... THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS ISSUED A WIND ADVISORY FOR THE SOUTHERN MONTEREY BAY...BIG SUR COAST AND THE SANTA LUCIA MOUNTAINS...WHICH IS IN EFFECT FROM 8 AM TO 2 PM PST FRIDAY. * TIMING: FROM 8 AM FRIDAY MORNING THROUGH 2 PM FRIDAY AFTERNOON. THE STRONGEST WINDS ARE EXPECTED IN THE LATE MORNING HOURS. * WINDS: SOUTHERLY WINDS TO 35 MPH WITH GUSTS TO 50 MPH POSSIBLE. GUSTS TO 60 MPH ARE POSSIBLE IN THE HIGHER TERRAIN. * IMPACTS: DOWNED TREES AND POWER LINES LEADING TO POWER OUTAGES. 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. && $$ SS
1 follow-up statement
510 WWUS76 KMTR 300856 NPWMTR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1256 AM PST FRI NOV 30 2012 ...STRONG AND GUSTY WINDS EXPECTED TO MOVE ACROSS MOST OF THE SAN FRANCISCO BAY AND MONTEREY BAY AREAS... .THE NEXT IN A SERIES OF PACIFIC COLD FRONTS WILL MOVE ONSHORE TONIGHT AND FRIDAY. SOUTHERLY WINDS WILL INCREASE AHEAD OF AND WITH THE FRONTAL SYSTEM. WIND GUSTS COULD BE STRONG ENOUGH TO DOWN TREES AND POWER LINES. THE STRONGEST WINDS ARE EXPECTED TO OCCUR NEAR THE COAST WHERE LOCAL GUSTS TO 50 MPH ARE POSSIBLE. CAZ505-507-301500- /O.CON.KMTR.WI.Y.0006.000000T0000Z-121130T1500Z/ COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- NORTH BAY MOUNTAINS- 1256 AM PST FRI NOV 30 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST THIS MORNING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST THIS MORNING. * TIMING: THROUGH 7 AM FRIDAY. THE STRONGEST WINDS ARE EXPECTED AFTER MIDNIGHT. * WINDS: SOUTHERLY WINDS SUSTAINED TO 35 MPH WITH GUSTS TO 50 MPH POSSIBLE...WITH GUSTS TO 70 MPH POSSIBLE IN THE HIGHER TERRAIN. * IMPACTS: DOWNED TREES AND POWER LINES LEADING TO POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ006-509-511-512-529-301500- /O.CON.KMTR.WI.Y.0006.000000T0000Z-121130T1900Z/ SAN FRANCISCO-SAN FRANCISCO PENINSULA COAST- EAST BAY HILLS AND DIABLO RANGE-SANTA CRUZ MOUNTAINS- NORTHERN MONTEREY BAY- 1256 AM PST FRI NOV 30 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS MORNING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS MORNING. * TIMING: FROM 10 PM THURSDAY EVENING THROUGH 11 AM FRIDAY MORNING. THE STRONGEST WINDS ARE EXPECTED FRIDAY MORNING. * WINDS: SOUTHERLY WINDS SUSTAINED TO 35 MPH WITH GUSTS TO 50 MPH POSSIBLE. GUSTS TO 70 MPH ARE POSSIBLE IN THE HIGHER TERRAIN. * IMPACTS:DOWNED TREES AND POWER LINES LEADING TO POWER OUTAGES. 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. && $$ CAZ517-530-301500- /O.CON.KMTR.WI.Y.0006.121130T1600Z-121130T2200Z/ SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 1256 AM PST FRI NOV 30 2012 ...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 2 PM PST THIS AFTERNOON... A WIND ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 2 PM PST THIS AFTERNOON. * TIMING: FROM 8 AM FRIDAY MORNING THROUGH 2 PM FRIDAY AFTERNOON. THE STRONGEST WINDS ARE EXPECTED IN THE LATE MORNING HOURS. * WINDS: SOUTHERLY WINDS TO 35 MPH WITH GUSTS TO 50 MPH POSSIBLE. GUSTS TO 60 MPH ARE POSSIBLE IN THE HIGHER TERRAIN. * IMPACTS: DOWNED TREES AND POWER LINES LEADING TO POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 29, 3:00 AM PST | Gale Warning | MTR | 30 hr | |
| Nov 29, 3:00 AM PST | Small Craft Advisory | MTR | 24 hr | |
| Nov 29, 3:14 AM PST | High Surf Advisory | MTR | Monterey, City and County of San Francisco, San Mateo, Santa Cruz | 54 hr |
| Nov 29, 11:22 AM PST | Flash Flood Watch | MTR | Marin, Monterey, Napa, City and County of San Francisco, San Mateo, Santa Clara and 2 more | 3 days |
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.