Alert archive / California / Wind Advisories in 2005
Wind Advisory 7, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this wind advisory at Dec 20, 2005, 2:52 AM PST for Marin County, Sonoma County, California. It took effect at Dec 20, 2005, 3:00 AM PST. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Dec 20, 2005, 2:52 AM PST (10:52 UTC)
- In effect from
- Dec 20, 2005, 3:00 AM PST
- Expired
- Dec 20, 2005, 12:00 PM PST
- In force
- 9 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties Marin County, CA, Sonoma County, CA
The radar
The Sacramento radar (KDAX), 104 km from the middle of the area, began a volume at 10:53 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, 10.9 hours before the alert went out and 84 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
- 1261 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 287 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 201052 NPWMTR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 252 AM PST TUE DEC 20 2005 ...WIND ADVISORY FOR THE NORTH BAY COAST AND MOUNTAINS UNTIL NOON TODAY... .A VIGOROUS STORM SYSTEM APPROACHING THE NORTHERN CALIFORNIA THIS MORNING WILL PRODUCE GUSTY WINDS ALONG THE COAST AND HILLS OF THE NORTH BAY THIS MORNING. CAZ505-507-202000- /O.NEW.KMTR.WI.Y.0007.051220T1100Z-051220T2000Z/ COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- NORTH BAY MOUNTAINS- 252 AM PST TUE DEC 20 2005 ...WIND ADVISORY IN EFFECT UNTIL NOON PST TODAY... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL NOON PST TODAY. SOUTHEASTERLY WINDS WILL INCREASE RAPIDLY THIS MORNING AS A VIGOROUS FRONTAL SYSTEM APPROACHES THE DISTRICT. SUSTAINED WINDS AS HIGH AS 35 MPH WITH GUSTS TO 50 MPH CAN BE EXPECTED WITH THIS SYSTEM. WINDS WILL DECREASE THIS AFTERNOON AS THE FRONT MOVES EAST OF THE REGION. A WIND ADVISORY MEANS THAT WINDS ARE OR WILL SOON BE IN EXCESS OF 35 MPH WITH FREQUENT GUSTS GREATER THAN 45 MPH. MOTORISTS IN THE ADVISORY AREA SHOULD BE PREPARED FOR SUDDEN GUSTY CROSS WINDS. $$ KENNEDY
1 follow-up statement
000 WWUS76 KMTR 201959 NPWMTR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 1159 AM PST TUE DEC 20 2005 CAZ505-507-202100- /O.EXP.KMTR.WI.Y.0007.000000T0000Z-051220T2000Z/ COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- NORTH BAY MOUNTAINS- 1159 AM PST TUE DEC 20 2005 ...WIND ADVISORY WILL EXPIRE AT NOON PST TODAY... THE WIND ADVISORY WILL EXPIRE AT NOON PST TODAY AS WINDS HAVE DECREASED OVER THE NORTH BAY. $$
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 20, 6:22 AM PST | Marine Weather Statement | MTR | 3 hr | |
| Dec 20, 7:37 AM PST | Special Marine Warning | MTR | 53 min |
Nearby
Wind Advisories in California, 2005Every wind advisory in 2005
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.