Alert archive / California / Wind Advisories in 2008
Wind Advisory 7, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this wind advisory at Jan 27, 2008, 2:46 AM PST for 4 counties in California. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jan 27, 2008, 2:46 AM PST (10:46 UTC)
- Expired
- Jan 27, 2008, 7:00 AM PST
- In force
- 4 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties Monterey County, CA, San Mateo County, CA, Santa Clara County, CA, Santa Cruz County, CA
The radar
The San Francisco radar (KMUX), 20 km from the middle of the area, began a volume at 10:45 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 00:00Z, 10.8 hours before the alert went out and 89 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
- 1788 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 216 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS76 KMTR 271046 NPWMTR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 246 AM PST SUN JAN 27 2008 ...STRONG WINDS OVER THE HIGHER ELEVATIONS THROUGH EARLY THIS MORNING... .A POTENT STORM SYSTEM IN THE EASTERN PACIFIC WILL CONTINUE TO PRODUCE STRONG WINDS OVER THE HIGHER TERRAIN IN THE SAN FRANCISCO AND MONTEREY BAY REGIONS EARLY TODAY. AS THE STORM SYSTEM SLOWLY MOVES TOWARD THE COAST WINDS SHOULD DIMINISH BY EARLY THIS AFTERNOON. CAZ507-511-512-517-271500- /O.NEW.KMTR.WI.Y.0007.080127T1046Z-080127T1500Z/ NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE- SANTA CRUZ MOUNTAINS- SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST- 246 AM PST SUN JAN 27 2008 ...WIND ADVISORY IN EFFECT UNTIL 7 AM PST THIS MORNING... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 7 AM PST THIS MORNING. STRONG SOUTHERLY WINDS OF 20 TO 30 MPH WITH GUSTS TO AROUND 50 MPH WILL BE POSSIBLE THROUGH THE EARLY MORNING. THE STRONGEST WINDS WILL LIKELY OCCUR ABOVE 1000 FEET. A WIND ADVISORY MEANS THAT WIND GUSTS IN EXCESS OF 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$ MM
1 follow-up statement
000 WWUS76 KMTR 271454 NPWMTR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 654 AM PST SUN JAN 27 2008 CAZ507-511-512-517-271600- /O.EXP.KMTR.WI.Y.0007.000000T0000Z-080127T1500Z/ NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE- SANTA CRUZ MOUNTAINS- SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST- 654 AM PST SUN JAN 27 2008 ...WIND ADVISORY WILL EXPIRE AT 7 AM PST THIS MORNING... THE WIND ADVISORY WILL EXPIRE AT 7 AM PST THIS MORNING. THE STRONG SOUTHERLY WINDS HAVE DIMINISHED OVER THE REGION EARLY THIS MORNING. THEREFORE THE WIND ADVISORY WILL BE ALLOWED TO EXPIRE. HOWEVER...GUSTY WINDS WILL STILL BE POSSIBLE THIS AFTERNOON WITH LOCAL GUSTS UP TO 35 MPH. THE STRONGEST WINDS WILL LIKELY OCCUR OVER THE HIGHER PEAKS. $$ MEHLE
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 27, 9:30 AM PST | Special Marine Warning | MTR | 38 min |
Nearby
Wind Advisories in California, 2008Every wind advisory in 2008
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.