Alert archive / California / Wind Advisories in 2017
Wind Advisory 9, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this wind advisory at Feb 8, 2017, 1:57 AM PST for 6 counties in California. It took effect at Feb 9, 2017, 2:00 AM PST. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Feb 8, 2017, 1:57 AM PST (09:57 UTC)
- In effect from
- Feb 9, 2017, 2:00 AM PST
- Expired
- Feb 9, 2017, 4:00 PM PST
- In force
- 14 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties Marin County, CA, Napa County, CA, San Mateo County, CA, Santa Clara County, CA, Santa Cruz County, CA, Sonoma County, CA
The radar
The San Francisco radar (KMUX), 81 km from the middle of the area, began a volume at 09:57 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, 10.0 hours before the alert went out and 15 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
- 625 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- 131 m²/s²
- 0-3 km storm-relative helicity
- 237 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
854 WWUS76 KMTR 080957 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 157 AM PST Wed Feb 8 2017 ...Gusty Southwest winds late tonight and Thursday... .Another storm system will sweep through the Bay Area late Wednesday night and Thursday with gusty southerly winds. CAZ505>507-081800- /O.NEW.KMTR.WI.Y.0009.170209T1000Z-170210T0000Z/ Coastal North Bay Including Point Reyes National Seashore- North Bay Interior Valleys-North Bay Mountains- Including the cities of...Tamalpais-Homestead...Sausalito... Santa Rosa...South Santa Rosa...Napa...San Rafael...Petaluma... Novato...Rohnert Park...Angwin...Lagunitas-Forest Knolls... Woodacre 157 AM PST Wed Feb 8 2017 ...WIND ADVISORY IN EFFECT FROM 2 AM TO 4 PM PST THURSDAY... The National Weather Service in San Francisco has issued a Wind Advisory...which is in effect from 2 AM to 4 PM PST Thursday. * TIMING...Wednesday night trough Thursday afternoon. * WINDS...Southerly winds of 15 to 30 mph with local gusts to 45 mph in lower elevations. Gusts to over 50 mph for the hills above 1500 feet. * 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 winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ CAZ511-512-081800- /O.NEW.KMTR.WI.Y.0009.170209T1500Z-170210T0000Z/ East Bay Hills and the Diablo Range-Santa Cruz Mountains- Including the cities of...Blackhawk...Scotts Valley... Boulder Creek...Day Valley 157 AM PST Wed Feb 8 2017 ...WIND ADVISORY IN EFFECT FROM 7 AM TO 4 PM PST THURSDAY... The National Weather Service in San Francisco has issued a Wind Advisory...which is in effect from 7 AM to 4 PM PST Thursday. * TIMING...Thursday morning trough Thursday afternoon. * WINDS...Southerly winds of 15 to 30 mph with local gusts to 45 mph in lower elevations. Gusts 50 to 60 mph for the locations above 2000 feet. * IMPACTS...Gusty winds will make driving difficult...especially for drivers of high profile vehicles. Since the soils are saturated...there is a heightened potential for downed trees and power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$
4 follow-up statements
294 WWUS76 KMTR 082152 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 152 PM PST Wed Feb 8 2017 ...Gusty Southwest winds late tonight and Thursday... .Another storm system will sweep through the San Francisco Bay Area and Central Coast on Thursday with gusty southerly winds. CAZ505>507-090500- /O.CON.KMTR.WI.Y.0009.170209T1000Z-170210T0000Z/ Coastal North Bay Including Point Reyes National Seashore- North Bay Interior Valleys-North Bay Mountains- Including the cities of...Tamalpais-Homestead...Sausalito... Santa Rosa...South Santa Rosa...Napa...San Rafael...Petaluma... Novato...Rohnert Park...Angwin...Lagunitas-Forest Knolls... Woodacre 152 PM PST Wed Feb 8 2017 ...WIND ADVISORY REMAINS IN EFFECT FROM 2 AM TO 4 PM PST THURSDAY... * TIMING...Wednesday night trough Thursday afternoon. * WINDS...Southerly winds of 15 to 30 mph with local gusts to 45 mph in lower elevations. Gusts to over 50 mph for the hills above 1500 feet. * 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 winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ CAZ511-512-090500- /O.CON.KMTR.WI.Y.0009.170209T1500Z-170210T0000Z/ East Bay Hills and the Diablo Range-Santa Cruz Mountains- Including the cities of...Blackhawk...Scotts Valley... Boulder Creek...Day Valley 152 PM PST Wed Feb 8 2017 ...WIND ADVISORY REMAINS IN EFFECT FROM 7 AM TO 4 PM PST THURSDAY... * TIMING...Thursday morning trough Thursday afternoon. * WINDS...Southerly winds of 15 to 30 mph with local gusts to 45 mph in lower elevations. Gusts 50 to 60 mph for the locations above 2000 feet. * IMPACTS...Gusty winds will make driving difficult...especially for drivers of high profile vehicles. Since the soils are saturated...there is a heightened potential for downed trees and power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$
081 WWUS76 KMTR 090452 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 852 PM PST Wed Feb 8 2017 ...Gusty Southwest winds late tonight and Thursday... .Another storm system will sweep through the region on Thursday with gusty southerly winds. CAZ505>507-091300- /O.CON.KMTR.WI.Y.0009.170209T1000Z-170210T0000Z/ Coastal North Bay Including Point Reyes National Seashore- North Bay Interior Valleys-North Bay Mountains- Including the cities of...Tamalpais-Homestead...Sausalito... Santa Rosa...South Santa Rosa...Napa...San Rafael...Petaluma... Novato...Rohnert Park...Angwin...Lagunitas-Forest Knolls... Woodacre 852 PM PST Wed Feb 8 2017 ...WIND ADVISORY REMAINS IN EFFECT FROM 2 AM TO 4 PM PST THURSDAY... * TIMING...Late tonight trough Thursday afternoon. * WINDS...Southerly winds of 15 to 30 mph with local gusts to 45 mph over lower elevations. Gusts to over 50 mph for the hills above 1500 feet. * 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 winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ CAZ511-512-091300- /O.CON.KMTR.WI.Y.0009.170209T1500Z-170210T0000Z/ East Bay Hills and the Diablo Range-Santa Cruz Mountains- Including the cities of...Blackhawk...Scotts Valley... Boulder Creek...Day Valley 852 PM PST Wed Feb 8 2017 ...WIND ADVISORY REMAINS IN EFFECT FROM 7 AM TO 4 PM PST THURSDAY... * TIMING...Thursday morning trough Thursday afternoon. * WINDS...Southerly winds of 15 to 30 mph with local gusts to 45 mph over lower elevations. Gusts 50 to 60 mph for the locations above 2000 feet. * IMPACTS...Gusty winds will make driving difficult...especially for drivers of high profile vehicles. Since the soils are saturated...there is a heightened potential for downed trees and power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$
542 WWUS76 KMTR 091214 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 414 AM PST Thu Feb 9 2017 ...Gusty Southwest winds Today... .Another storm system will sweep through the region on Thursday with gusty southerly winds. CAZ505>507-092300- /O.CON.KMTR.WI.Y.0009.000000T0000Z-170210T0000Z/ Coastal North Bay Including Point Reyes National Seashore- North Bay Interior Valleys-North Bay Mountains- Including the cities of...Tamalpais-Homestead...Sausalito... Santa Rosa...South Santa Rosa...Napa...San Rafael...Petaluma... Novato...Rohnert Park...Angwin...Lagunitas-Forest Knolls... Woodacre 414 AM PST Thu Feb 9 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * TIMING...Through Thursday afternoon. * WINDS...Southerly winds of 15 to 30 mph with local gusts to 45 mph over lower elevations. Gusts to over 50 mph for the hills above 1500 feet. * 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 winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ CAZ511-512-092300- /O.CON.KMTR.WI.Y.0009.170209T1500Z-170210T0000Z/ East Bay Hills and the Diablo Range-Santa Cruz Mountains- Including the cities of...Blackhawk...Scotts Valley... Boulder Creek...Day Valley 414 AM PST Thu Feb 9 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * TIMING...Through Thursday afternoon. * WINDS...Southerly winds of 15 to 30 mph with local gusts to 45 mph over lower elevations. Gusts 50 to 60 mph for the locations above 2000 feet. * IMPACTS...Gusty winds will make driving difficult...especially for drivers of high profile vehicles. Since the soils are saturated...there is a heightened potential for downed trees and power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$
186 WWUS76 KMTR 092333 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 333 PM PST Thu Feb 9 2017 CAZ505>507-100045- /O.EXP.KMTR.WI.Y.0009.000000T0000Z-170210T0000Z/ Coastal North Bay Including Point Reyes National Seashore- North Bay Interior Valleys-North Bay Mountains- Including the cities of...Tamalpais-Homestead...Sausalito... Santa Rosa...South Santa Rosa...Napa...San Rafael...Petaluma... Novato...Rohnert Park...Angwin...Lagunitas-Forest Knolls... Woodacre 333 PM PST Thu Feb 9 2017 ...WIND ADVISORY WILL EXPIRE AT 4 PM PST THIS AFTERNOON... Winds will continue to decrease through the remainder of the day. $$ CAZ511-512-100045- /O.EXP.KMTR.WI.Y.0009.000000T0000Z-170210T0000Z/ East Bay Hills and the Diablo Range-Santa Cruz Mountains- Including the cities of...Blackhawk...Scotts Valley... Boulder Creek...Day Valley 333 PM PST Thu Feb 9 2017 ...WIND ADVISORY WILL EXPIRE AT 4 PM PST THIS AFTERNOON... Winds will continue to decrease through the remainder of the day. $$
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 7, 5:13 PM PST | Areal Flood Warning | MTR | Monterey | 6 hr |
| Feb 7, 5:27 PM PST | Flash Flood Warning | MTR | Alameda | 2 hr |
| Feb 8, 2:23 AM PST | Small Craft Advisory | MTR | 43 hr | |
| Feb 8, 8:37 AM PST | Areal Flood Warning | MTR | Sonoma | 4 days |
| Feb 8, 9:18 AM PST | Flash Flood Watch | MTR | Marin, Monterey, Napa, San Mateo, Santa Clara, Santa Cruz and 1 more | 41 hr |
| Feb 8, 2:43 PM PST | Coastal Flood Warning | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 21 hr |
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.