Alert archive / California / Wind Advisories in 2017
Wind Advisory 11, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this wind advisory at Feb 17, 2017, 2:02 PM PST for 4 counties in California. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Feb 17, 2017, 2:02 PM PST (22:02 UTC)
- Expired
- Feb 17, 2017, 4:57 PM PST
- In force
- 3 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties City and County of San Francisco, CA, Marin County, CA, Napa County, CA, Sonoma County, CA
The radar
The Sacramento radar (KDAX), 87 km from the middle of the area, began a volume at 22:01 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, 10.0 hours before the alert went out and 65 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
- 4 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 855 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 129 m²/s²
- 0-3 km storm-relative helicity
- 230 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
709 WWUS76 KMTR 172202 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 202 PM PST Fri Feb 17 2017 CAZ517-528-530-172315- /O.EXP.KMTR.HW.W.0004.000000T0000Z-170217T2200Z/ Santa Lucia Mountains and Los Padres National Forest- Northern Salinas Valley/Hollister Valley and Carmel Valley- Southern Monterey Bay and Big Sur Coast- Including the cities of...Salinas...Seaside...Monterey...Marina 202 PM PST Fri Feb 17 2017 ...HIGH WIND WARNING HAS EXPIRED... Wind speeds have diminshed below warning criteria, thus the high wind warning has been allowed to expire. $$ CAZ006-505>507-180200- /O.EXP.KMTR.WI.Y.0010.000000T0000Z-170217T2200Z/ /O.NEW.KMTR.WI.Y.0011.170217T2202Z-170218T0200Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- North Bay Interior Valleys-North Bay Mountains- Including the cities of...San Francisco...Tamalpais-Homestead... Sausalito...Santa Rosa...South Santa Rosa...Napa...San Rafael... Petaluma...Novato...Rohnert Park...Angwin... Lagunitas-Forest Knolls...Woodacre 202 PM PST Fri Feb 17 2017 ...WIND ADVISORY IN EFFECT UNTIL 6 PM PST THIS EVENING... .The National Weather Service in San Francisco has issued a Wind Advisory...which is in effect until 6 PM PST this evening. * TIMING...Through late Friday afternoon. * WINDS...Southeast winds 20 to 35 MPH with gusts greater than 45 MPH. * IMPACTS...Gusty winds will make driving difficult especially for drivers of high profile vehicles. Since the soils are saturated... there is a heightened potential for downed trees and power outages. A Wind Advisory means that wind gusts of at least 45 mph are expected. Winds this strong can make driving difficult... especially for high profile vehicles. Use extra caution. A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ CAZ508>513-516-518-529-180200- /O.CON.KMTR.WI.Y.0010.000000T0000Z-170218T0200Z/ San Francisco Bay Shoreline-San Francisco Peninsula Coast- East Bay Interior Valleys-East Bay Hills and the Diablo Range- Santa Cruz Mountains-Santa Clara Valley Including San Jose- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park-Northern Monterey Bay- Including the cities of...Oakland...Fremont...Hayward... Daly City...Berkeley...Pacifica...Concord...Antioch...Livermore... Walnut Creek...Pleasanton...Pittsburg...San Ramon...Blackhawk... Scotts Valley...Boulder Creek...Day Valley...San Jose... Greenfield...King City...Santa Cruz...Watsonville...Live Oak 202 PM PST Fri Feb 17 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... * TIMING...Through late Friday afternoon. * WINDS...Southeast winds 20 to 30 MPH with gusts greater than 45 MPH. * IMPACTS...Gusty winds will make driving difficult especially for drivers of high profile vehicles. Since the soils are saturated... there is a heightened potential for downed trees and power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that wind gusts of at least 45 mph are expected. Winds this strong can make driving difficult... especially for high profile vehicles. Use extra caution. && $$
1 follow-up statement
857 WWUS76 KMTR 180057 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 457 PM PST Fri Feb 17 2017 CAZ508>513-516-518-529-180200- /O.CAN.KMTR.WI.Y.0010.000000T0000Z-170218T0200Z/ San Francisco Bay Shoreline-San Francisco Peninsula Coast- East Bay Interior Valleys-East Bay Hills and the Diablo Range- Santa Cruz Mountains-Santa Clara Valley Including San Jose- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park-Northern Monterey Bay- Including the cities of...Oakland...Fremont...Hayward... Daly City...Berkeley...Pacifica...Concord...Antioch...Livermore... Walnut Creek...Pleasanton...Pittsburg...San Ramon...Blackhawk... Scotts Valley...Boulder Creek...Day Valley...San Jose... Greenfield...King City...Santa Cruz...Watsonville...Live Oak 457 PM PST Fri Feb 17 2017 ...WIND ADVISORY IS CANCELLED... The National Weather Service in San Francisco has cancelled the Wind Advisory. $$ CAZ006-505>507-180200- /O.CAN.KMTR.WI.Y.0011.000000T0000Z-170218T0200Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- North Bay Interior Valleys-North Bay Mountains- Including the cities of...San Francisco...Tamalpais-Homestead... Sausalito...Santa Rosa...South Santa Rosa...Napa...San Rafael... Petaluma...Novato...Rohnert Park...Angwin... Lagunitas-Forest Knolls...Woodacre 457 PM PST Fri Feb 17 2017 ...WIND ADVISORY IS CANCELLED... The National Weather Service in San Francisco has cancelled the Wind Advisory. $$
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 16, 4:53 PM PST | Flood Watch | MTR | Monterey, San Benito | 40 hr |
| Feb 16, 8:59 PM PST | Small Craft Advisory for Rough Bar | MTR | 5 days | |
| Feb 16, 10:21 PM PST | High Wind Warning | MTR | Monterey, San Benito | 16 hr |
| Feb 17, 2:22 PM PST | Small Craft Advisory | MTR | 4 days |
Nearby
Wind Advisories in California, 2017Every wind advisory in 2017
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.