Alert archive / California / Wind Advisories in 2017
Wind Advisory 16, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this wind advisory at Apr 6, 2017, 3:17 AM PDT for 10 counties in California. It took effect at Apr 6, 2017, 8:00 PM PDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Apr 6, 2017, 3:17 AM PDT (10:17 UTC)
- In effect from
- Apr 6, 2017, 8:00 PM PDT
- Expired
- Apr 7, 2017, 4:04 AM PDT
- In force
- 8 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties Alameda County, CA, Contra Costa County, CA, Marin County, CA, Monterey County, CA, Napa County, CA, San Benito County, CA, San Mateo County, CA, Santa Clara County, CA, Santa Cruz County, CA, Sonoma County, CA
The radar
The San Francisco radar (KMUX), 42 km from the middle of the area, began a volume at 10:18 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, 10.3 hours before the alert went out and 28 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
- 3300 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 196 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
841 WWUS76 KMTR 061017 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 317 AM PDT Thu Apr 6 2017 ...STRONG AND GUSTY WINDS EXPECTED THURSDAY EVENING THROUGH FRIDAY MORNING... .A storm system will bring strong and gusty winds to the the district tonight into Friday. The strongest winds are expected to occur along the coast, in the higher terrain and across the coastal ranges. Winds will diminish slightly by Friday afternoon...but will remain gusty as another system moves through Friday night. CAZ505-507-511-512-062300- /O.UPG.KMTR.HW.A.0004.170407T0300Z-170407T1800Z/ /O.NEW.KMTR.HW.W.0006.170407T0300Z-170407T1200Z/ Coastal North Bay Including Point Reyes National Seashore- North Bay Mountains-East Bay Hills and the Diablo Range- Santa Cruz Mountains- Including the cities of Tamalpais-Homestead, Sausalito, Angwin, Lagunitas-Forest Knolls, Woodacre, Blackhawk, Scotts Valley, Boulder Creek, and Day Valley 317 AM PDT Thu Apr 6 2017 ...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO 5 AM PDT FRIDAY... The National Weather Service in San Francisco has issued a High Wind Warning, which is in effect from 8 PM this evening to 5 AM PDT Friday. The High Wind Watch is no longer in effect. * LOCATION...North Bay Mountains...East Bay Hills and the Diablo Range...Santa Cruz Mountains and coastal North Bay. * TIMING...Thursday evening through early Friday morning. * WINDS...Sustained southerly winds of 35 to 45 MPH are likely with potential gusts in excess of 60 MPH. * IMPACTS...Gusty winds will make driving difficult especially for drivers of high profile vehicles. Downed trees and powerlines are also possible during these strong winds. A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ CAZ517-518-062300- /O.UPG.KMTR.HW.A.0004.170407T0300Z-170407T1800Z/ /O.NEW.KMTR.HW.W.0006.170407T0500Z-170407T1500Z/ Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- 317 AM PDT Thu Apr 6 2017 ...HIGH WIND WARNING IN EFFECT FROM 10 PM THIS EVENING TO 8 AM PDT FRIDAY... The National Weather Service in San Francisco has issued a High Wind Warning, which is in effect from 10 PM this evening to 8 AM PDT Friday. The High Wind Watch is no longer in effect. * LOCATION...Santa Lucia Mountains and Los Padres National Forest...The mountains of San Benito County and interior Monterey County. * TIMING...Thursday evening through early Friday morning. * WINDS...Sustained southerly winds of 35 to 45 MPH are likely with potential gusts in excess of 60 MPH. * IMPACTS...Gusty winds will make driving difficult especially for drivers of high profile vehicles. Downed trees and powerlines are also possible during these strong winds. A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ CAZ006-509-062300- /O.NEW.KMTR.HW.W.0006.170407T0300Z-170407T1200Z/ San Francisco-San Francisco Peninsula Coast- Including the cities of San Francisco and Pacifica 317 AM PDT Thu Apr 6 2017 ...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO 5 AM PDT FRIDAY... The National Weather Service in San Francisco has issued a High Wind Warning, which is in effect from 8 PM this evening to 5 AM PDT Friday. * LOCATION...San Francisco and the San Francisco Peninsula Coast. * TIMING...Thursday evening through early Friday morning. * WINDS...Sustained southerly winds of 35 to 45 MPH are likely with potential gusts in excess of 55 MPH. * IMPACTS...Gusty winds will make driving difficult especially for drivers of high profile vehicles. Downed trees and powerlines are also possible during these strong winds. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ CAZ506-508-510-062300- /O.NEW.KMTR.WI.Y.0016.170407T0300Z-170407T1200Z/ North Bay Interior Valleys-San Francisco Bay Shoreline- East Bay Interior Valleys- Including the cities of Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Oakland, Fremont, Hayward, Daly City, Berkeley, Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, and San Ramon 317 AM PDT Thu Apr 6 2017 ...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 5 AM PDT FRIDAY... The National Weather Service in San Francisco has issued a Wind Advisory, which is in effect from 8 PM this evening to 5 AM PDT Friday. * LOCATION...North Bay Valleys, San Francisco Bay Shoreline and the East Bay Interior Valleys. * TIMING...Thursday evening through early Friday morning. * WINDS...Sustained southerly winds of 20 to 35 MPH are likely with potential gusts in excess of 45 MPH. * IMPACTS...Gusty winds will make driving difficult especially for drivers of high profile vehicles. Downed trees and powerlines are also possible during these strong winds. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$
2 follow-up statements
070 WWUS76 KMTR 062315 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 415 PM PDT Thu Apr 6 2017 ...STRONG AND GUSTY WINDS EXPECTED THURSDAY EVENING THROUGH FRIDAY MORNING... .A potent spring storm system will bring strong and gusty winds to the the San Francisco Bay Area and Monterey Bay Area beginning Thursday evening and continuing into Friday morning. The strongest winds are expected to occur along the coast and in the hills. Winds will diminish by late Friday morning...but will remain gusty through Friday night as a second storm system moves through. CAZ517-518-071200- /O.EXT.KMTR.HW.W.0006.170407T0300Z-170407T1500Z/ Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- 415 PM PDT Thu Apr 6 2017 ...HIGH WIND WARNING NOW IN EFFECT FROM 8 PM THIS EVENING TO 8 AM PDT FRIDAY... * LOCATION...Santa Lucia Mountains and Los Padres National Forest...The mountains of San Benito County and interior Monterey County. * TIMING...Thursday evening through early Friday morning. Strongest winds expected Thursday night. * WINDS...Sustained southerly winds of 30 to 40 MPH are likely with gusts in excess of 50 MPH. * IMPACTS...Gusty winds will make driving difficult especially for drivers of high profile vehicles. Downed trees and powerlines are possible during strong winds. A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ CAZ006-505-507-509-511-512-071200- /O.CON.KMTR.HW.W.0006.170407T0300Z-170407T1200Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- North Bay Mountains-San Francisco Peninsula Coast- East Bay Hills and the Diablo Range-Santa Cruz Mountains- Including the cities of San Francisco, Tamalpais-Homestead, Sausalito, Angwin, Lagunitas-Forest Knolls, Woodacre, Pacifica, Blackhawk, Scotts Valley, Boulder Creek, and Day Valley 415 PM PDT Thu Apr 6 2017 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 5 AM PDT FRIDAY... * LOCATION...Coastal North Bay...North Bay Mountains...San Francisco...San Francisco Peninsula Coast...East Bay Hills...Santa Cruz Mountains. * TIMING...Thursday evening through early Friday morning. Strongest winds will occur Thursday night. * WINDS...Sustained southerly winds of 30 to 40 MPH are likely with gusts in excess of 50 MPH. * IMPACTS...Gusty winds will make driving difficult especially for drivers of high profile vehicles. Downed trees and powerlines are also possible during strong winds. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ CAZ528>530-071200- /O.EXB.KMTR.WI.Y.0016.170407T0300Z-170407T1500Z/ Northern Salinas Valley/Hollister Valley and Carmel Valley- Northern Monterey Bay-Southern Monterey Bay and Big Sur Coast- Including the cities of Salinas, Santa Cruz, Watsonville, Live Oak, Seaside, Monterey, and Marina 415 PM PDT Thu Apr 6 2017 ...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 AM PDT FRIDAY... The National Weather Service San Francisco Bay Area has issued a Wind Advisory, which is in effect from 8 PM this evening to 8 AM PDT Friday. * LOCATION...North Salinas Valley...Hollister Valley...Carmel Valley...Northern Monterey Bay...Southern Monterey Bay and Big Sur Coast. * TIMING...Thursday evening through early Friday morning. Strongest winds will occur Thursday night. * WINDS...Sustained southerly winds of 20 to 30 MPH are likely with gusts in excess of 45 MPH. * IMPACTS...Strong winds can result in downed trees and powerlines and could result in local 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. && $$ CAZ513-071200- /O.EXA.KMTR.WI.Y.0016.170407T0300Z-170407T1200Z/ Santa Clara Valley Including San Jose- Including the city of San Jose 415 PM PDT Thu Apr 6 2017 ...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 5 AM PDT FRIDAY... The National Weather Service San Francisco Bay Area has issued a Wind Advisory, which is in effect from 8 PM this evening to 5 AM PDT Friday. * LOCATION...Santa Clara Valley including San Jose. * TIMING...Thursday evening through early Friday morning. * WINDS...Sustained southerly winds of 20 to 30 MPH are likely along with gusts up to 45 mph. * IMPACTS...Strong winds can result in downed trees and powerlines and could result in local power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that wind gust of at least 45 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ CAZ506-508-510-071200- /O.CON.KMTR.WI.Y.0016.170407T0300Z-170407T1200Z/ North Bay Interior Valleys-San Francisco Bay Shoreline- East Bay Interior Valleys- Including the cities of Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Oakland, Fremont, Hayward, Daly City, Berkeley, Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, and San Ramon 415 PM PDT Thu Apr 6 2017 ...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 5 AM PDT FRIDAY... * LOCATION...North Bay Valleys, San Francisco Bay Shoreline and the East Bay Interior Valleys. * TIMING...Thursday evening through early Friday morning. * WINDS...Sustained southerly winds of 20 to 30 MPH are likely along with gusts in excess of 45 MPH. * IMPACTS...Strong winds can result in downed trees and powerlines and could result in local 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. && $$
568 WWUS76 KMTR 071104 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 404 AM PDT Fri Apr 7 2017 CAZ517-518-071215- /O.CAN.KMTR.HW.W.0006.000000T0000Z-170407T1500Z/ Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- 404 AM PDT Fri Apr 7 2017 ...HIGH WIND WARNING IS CANCELLED... The National Weather Service in San Francisco has cancelled the High Wind Warning. The storm system has moved through and wind speeds are diminishing below warning criteria. Expect breezy conditions to persist today with wind speeds picking up somewhat overnight tonight as another frontal system moves through. $$ CAZ006-505-507-509-511-512-071215- /O.CAN.KMTR.HW.W.0006.000000T0000Z-170407T1200Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- North Bay Mountains-San Francisco Peninsula Coast- East Bay Hills and the Diablo Range-Santa Cruz Mountains- Including the cities of San Francisco, Tamalpais-Homestead, Sausalito, Angwin, Lagunitas-Forest Knolls, Woodacre, Pacifica, Blackhawk, Scotts Valley, Boulder Creek, and Day Valley 404 AM PDT Fri Apr 7 2017 ...HIGH WIND WARNING IS CANCELLED... The National Weather Service in San Francisco has cancelled the High Wind Warning. The storm system has moved through and wind speeds are diminishing below warning criteria. Expect breezy conditions to persist today with wind speeds picking up somewhat overnight tonight as another frontal system moves through. $$ CAZ506-508-510-513-071215- /O.CAN.KMTR.WI.Y.0016.000000T0000Z-170407T1200Z/ North Bay Interior Valleys-San Francisco Bay Shoreline- East Bay Interior Valleys-Santa Clara Valley Including San Jose- Including the cities of Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Oakland, Fremont, Hayward, Daly City, Berkeley, Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, San Ramon, and San Jose 404 AM PDT Fri Apr 7 2017 ...WIND ADVISORY IS CANCELLED... The National Weather Service in San Francisco has cancelled the Wind Advisory. The storm system has moved through and wind speeds are diminishing below wind advisory criteria. Expect breezy conditions to persist today with wind speeds picking up somewhat overnight tonight as another frontal system moves through. $$ CAZ528>530-071215- /O.CAN.KMTR.WI.Y.0016.000000T0000Z-170407T1500Z/ Northern Salinas Valley/Hollister Valley and Carmel Valley- Northern Monterey Bay-Southern Monterey Bay and Big Sur Coast- Including the cities of Salinas, Santa Cruz, Watsonville, Live Oak, Seaside, Monterey, and Marina 404 AM PDT Fri Apr 7 2017 ...WIND ADVISORY IS CANCELLED... The National Weather Service in San Francisco has cancelled the Wind Advisory. The storm system has moved through and wind speeds are diminishing below wind advisory criteria. Expect breezy conditions to persist today with wind speeds picking up somewhat overnight tonight as another frontal system moves through. $$
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 6, 2:35 AM PDT | Gale Warning | MTR | 24 hr | |
| Apr 6, 3:17 AM PDT | High Wind Warning | MTR | Marin, Monterey, San Benito, City and County of San Francisco, San Mateo, Santa Clara and 2 more | 25 hr |
| Apr 6, 2:20 PM PDT | Beach Hazards Statement | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 49 hr |
| Apr 6, 2:25 PM PDT | Small Craft Advisory for Rough Bar | MTR | 55 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.