Alert archive / California / Wind Advisories in 2008
Wind Advisory 21, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this wind advisory at Oct 30, 2008, 2:48 AM PDT for 6 counties in California. It took effect at Oct 30, 2008, 1:00 PM PDT. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Oct 30, 2008, 2:48 AM PDT (09:48 UTC)
- In effect from
- Oct 30, 2008, 1:00 PM PDT
- Expired
- Oct 31, 2008, 6:00 AM PDT
- In force
- 17 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties 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), 38 km from the middle of the area, began a volume at 10:09 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, 9.8 hours before the alert went out and 35 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
- 2645 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 63 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 300948 NPWMTR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 248 AM PDT THU OCT 30 2008 CAZ505-507-509-512-517-529-530-302200- /O.NEW.KMTR.WI.Y.0021.081030T2000Z-081031T0700Z/ COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- NORTH BAY MOUNTAINS-SAN FRANCISCO PENINSULA COAST- SANTA CRUZ MOUNTAINS- SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST- NORTHERN MONTEREY BAY-SOUTHERN MONTEREY BAY AND BIG SUR COAST- 248 AM PDT THU OCT 30 2008 ...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO MIDNIGHT PDT TONIGHT... THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO MIDNIGHT PDT TONIGHT FOR PORTIONS OF THE SAN FRANCISCO AND MONTEREY BAY AREAS INCLUDING THE COASTAL NORTH BAY AND NORTH BAY MOUNTAINS...THE SAN FRANCISCO PENINSULA COAST...THE SANTA CRUZ MOUNTAINS...THE MONTEREY BAY AND BIG SUR COAST...AND THE SANTA LUCIA MOUNTAINS. WINDS WILL PICK UP TODAY IN ADVANCE OF AN APPROACHING STORM SYSTEM. THE GUSTY SOUTHERLY WINDS WILL BEGIN OVER THE SOUTHERN COASTAL WATERS AND ALONG THE BIG SUR COAST EARLY THIS AFTERNOON AND SPREAD NORTHWARD ACROSS THE REST OF THE ADVISED AREA LATER THIS AFTERNOON. SOUTHERLY WINDS ARE EXPECTED TO INCREASE TO THE 20 TO 35 MPH RANGE THIS AFTERNOON WITH GUSTS TO 45 MPH POSSIBLE. THE HIGHEST WINDS ARE EXPECTED TO OCCUR NEAR THE COAST AND IN THE COASTAL MOUNTAINS. WINDS ARE EXPECTED TO DECREASE SOMEWHAT OVERNIGHT...BUT GUSTY WINDS WILL PERSIST THROUGHOUT THE DAY FRIDAY AND INCREASE ONCE AGAIN EARLY SATURDAY AS ANOTHER FRONTAL SYSTEM BEARS DOWN ON THE COAST. A WIND ADVISORY MEANS THAT WINDS OF 35 TO 39 MPH AND/OR GUSTS OF 45 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$ SSA
3 follow-up statements
000 WWUS76 KMTR 302019 NPWMTR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 119 PM PDT THU OCT 30 2008 CAZ505-509-529-530-302130- /O.CAN.KMTR.WI.Y.0021.000000T0000Z-081031T0700Z/ COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 119 PM PDT THU OCT 30 2008 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS CANCELLED THE WIND ADVISORY. $$ CAZ511-310700- /O.EXA.KMTR.WI.Y.0021.000000T0000Z-081031T0700Z/ EAST BAY HILLS AND DIABLO RANGE- 119 PM PDT THU OCT 30 2008 ...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT PDT TONIGHT... THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT. WINDS WILL PICK UP TODAY IN ADVANCE OF AN APPROACHING STORM SYSTEM. SOUTHERLY WINDS ARE EXPECTED TO INCREASE TO THE 20 TO 35 MPH RANGE THIS AFTERNOON WITH GUSTS TO 50 MPH POSSIBLE. WINDS ARE EXPECTED TO DECREASE SOMEWHAT OVERNIGHT...BUT GUSTY WINDS WILL PERSIST THROUGHOUT THE DAY FRIDAY AND INCREASE ONCE AGAIN EARLY SATURDAY AS ANOTHER FRONTAL SYSTEM BEARS DOWN ON THE COAST. A WIND ADVISORY MEANS THAT WINDS OF 35 TO 39 MPH AND/OR GUSTS OF 45 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$ CAZ507-512-517-310700- /O.CON.KMTR.WI.Y.0021.000000T0000Z-081031T0700Z/ NORTH BAY MOUNTAINS-SANTA CRUZ MOUNTAINS- SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST- 119 PM PDT THU OCT 30 2008 ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT... A WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT. WINDS WILL PICK UP TODAY IN ADVANCE OF AN APPROACHING STORM SYSTEM. SOUTHERLY WINDS ARE EXPECTED TO INCREASE TO THE 20 TO 35 MPH RANGE THIS AFTERNOON WITH GUSTS TO 50 MPH POSSIBLE. WINDS ARE EXPECTED TO DECREASE SOMEWHAT OVERNIGHT...BUT GUSTY WINDS WILL PERSIST THROUGHOUT THE DAY FRIDAY AND INCREASE ONCE AGAIN EARLY SATURDAY AS ANOTHER FRONTAL SYSTEM BEARS DOWN ON THE COAST. A WIND ADVISORY MEANS THAT WINDS OF 35 TO 39 MPH AND/OR GUSTS OF 45 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$ MHS
000 WWUS76 KMTR 310437 NPWMTR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 937 PM PDT THU OCT 30 2008 CAZ507-511-512-517-311300- /O.EXT.KMTR.WI.Y.0021.000000T0000Z-081031T1300Z/ NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE- SANTA CRUZ MOUNTAINS- SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST- 937 PM PDT THU OCT 30 2008 ...WIND ADVISORY NOW IN EFFECT UNTIL 6 AM PDT FRIDAY FOR ELEVATIONS ABOVE 1000 FEET IN THE SAN FRANCISCO BAY AREA...AS WELL AS THE SANTA LUCIA MOUNTAINS OF MONTEREY COUNTY... AT 9 PM PDT THURSDAY SOUTHERLY WIND GUSTS AS HIGH AS 45 MPH WERE BEING REPORTED IN THE SANTA CRUZ AND SANTA LUCIA MOUNTAINS. WINDS ARE EXPECTED TO INCREASE A BIT MORE LATE THIS EVENING JUST AHEAD OF AN APPROACHING FRONTAL SYSTEM...AND REMAIN STRONG AND GUSTY INTO THE EARLY MORNING HOURS OF FRIDAY. STRONGEST WINDS WILL BE IN THE COASTAL HILLS WHERE GUSTS AS HIGH AS 50 MPH ARE LIKELY. WINDS WILL BEGIN TO DIMINISH LATE TONIGHT AFTER THE FRONT MOVES INLAND. A WIND ADVISORY MEANS THAT WINDS OF 35 TO 39 MPH AND/OR GUSTS OF 45 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$ DYKEMA
000 WWUS76 KMTR 311248 NPWMTR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 548 AM PDT FRI OCT 31 2008 CAZ507-511-512-517-311400- /O.EXP.KMTR.WI.Y.0021.000000T0000Z-081031T1300Z/ NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE- SANTA CRUZ MOUNTAINS- SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST- 548 AM PDT FRI OCT 31 2008 ...WIND ADVISORY WILL EXPIRE AT 6 AM PDT THIS MORNING... WINDS HAVE DECREASED BELOW ADVISORY LEVELS ACROSS THE AREA. THUS THE WIND ADVISORY WILL BE ALLOWED TO EXPIRE AT 6 AM. $$
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 29, 8:16 PM PDT | Small Craft Advisory | MTR | 3 days | |
| Oct 30, 3:32 AM PDT | Gale Warning | MTR | 9 hr |
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.