Alert archive / California / Wind Advisories in 2021
Wind Advisory 10, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this wind advisory at Oct 9, 2021, 1:50 PM PDT for 11 counties in California. It took effect at Oct 10, 2021, 11:00 PM PDT. It was in force for 21 hr.
The area
The counties it named.
The facts
- Issued
- Oct 9, 2021, 1:50 PM PDT (20:50 UTC)
- In effect from
- Oct 10, 2021, 11:00 PM PDT
- Expired
- Oct 11, 2021, 8:00 PM PDT
- In force
- 21 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties Alameda County, CA, City and County of San Francisco, 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), 46 km from the middle of the area, began a volume at 20:50 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, 8.8 hours before the alert went out and 24 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 659 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
012 WWUS76 KMTR 092050 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 150 PM PDT Sat Oct 9 2021 CAZ507-510-511-100500- /O.NEW.KMTR.WI.Y.0010.211011T0600Z-211012T0300Z/ North Bay Mountains-East Bay Interior Valleys- East Bay Hills and the Diablo Range- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, San Ramon, and Blackhawk 150 PM PDT Sat Oct 9 2021 ...WIND ADVISORY IN EFFECT FROM 11 PM SUNDAY TO 8 PM PDT MONDAY... * WHAT...North to northeast winds 15 to 30 mph with gusts up to 50 mph expected, locally gusting 60 to 70 mph over the highest peaks. * WHERE...North Bay Mountains, East Bay Interior Valleys and East Bay Hills and the Diablo Range. * WHEN...From 11 PM Sunday to 8 PM PDT Monday. * IMPACTS...Gusty winds could blow around unsecured objects, and create hazardous driving conditions. Trees could be blown down, and a few power outages may result. Have cell phones charged and flashlights handy if power outages occur. * ADDITIONAL DETAILS...Strongest winds will likely occur Monday morning with a secondary max Monday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ006-505-506-508-509-512-513-516>518-528>530-100500- /O.NEW.KMTR.WI.Y.0010.211011T1600Z-211012T0300Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- North Bay Interior Valleys-San Francisco Bay Shoreline- San Francisco Peninsula Coast-Santa Cruz Mountains- Santa Clara Valley Including San Jose- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Northern Salinas Valley/Hollister Valley and Carmel Valley- Northern Monterey Bay-Southern Monterey Bay and Big Sur Coast- Including the cities of San Francisco, Tamalpais-Homestead, Sausalito, Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Oakland, Fremont, Hayward, Daly City, Berkeley, Pacifica, Scotts Valley, Boulder Creek, Day Valley, San Jose, Greenfield, King City, Salinas, Santa Cruz, Watsonville, Live Oak, Seaside, Monterey, and Marina 150 PM PDT Sat Oct 9 2021 ...WIND ADVISORY IN EFFECT FROM 9 AM TO 8 PM PDT MONDAY... * WHAT...North to northeast winds 15 to 30 mph with gusts up to 50 mph expected, locally gusting 60 mph over the highest peaks. * WHERE...Coastal North Bay as well as the North Bay Valleys, the San Francisco Peninsula, South Bay, and the Monterey Bay region. * WHEN...From 9 AM to 8 PM PDT Monday. * IMPACTS...Gusty winds could blow around unsecured objects, and create hazardous driving conditions. Trees could be blown down, and a few power outages may result. Have cell phones charged and flashlights handy if power outages occur. * ADDITIONAL DETAILS...Strongest winds will likely occur Monday morning with a secondary max Monday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit http://weather.gov/mtr
8 follow-up statements
591 WWUS76 KMTR 100454 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 954 PM PDT Sat Oct 9 2021 CAZ507-510-511-101300- /O.CON.KMTR.WI.Y.0010.211011T0600Z-211012T0300Z/ North Bay Mountains-East Bay Interior Valleys- East Bay Hills and the Diablo Range- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, San Ramon, and Blackhawk 954 PM PDT Sat Oct 9 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 11 PM SUNDAY TO 8 PM PDT MONDAY... * WHAT...Northwest winds 15 to 30 mph with gusts up to 55 mph expected. Local gusts of 60 to 70 mph are possible over the highest peaks. * WHERE...North Bay Mountains, East Bay Interior Valleys and East Bay Hills and the Diablo Range. * WHEN...From 11 PM Sunday to 8 PM PDT Monday. * IMPACTS...Gusty winds could blow around unsecured objects, and create hazardous driving conditions. Trees and/or limbs could be blown down, and a few power outages may result. Have cell phones charged and flashlights handy if power outages occur. * ADDITIONAL DETAILS...Strongest winds will likely occur Monday morning with a secondary max Monday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ006-505-506-508-509-512-513-516>518-528>530-101300- /O.CON.KMTR.WI.Y.0010.211011T1600Z-211012T0300Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- North Bay Interior Valleys-San Francisco Bay Shoreline- San Francisco Peninsula Coast-Santa Cruz Mountains- Santa Clara Valley Including San Jose- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Northern Salinas Valley/Hollister Valley and Carmel Valley- Northern Monterey Bay-Southern Monterey Bay and Big Sur Coast- Including the cities of San Francisco, Tamalpais-Homestead, Sausalito, Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Oakland, Fremont, Hayward, Daly City, Berkeley, Pacifica, Scotts Valley, Boulder Creek, Day Valley, San Jose, Greenfield, King City, Salinas, Santa Cruz, Watsonville, Live Oak, Seaside, Monterey, and Marina 954 PM PDT Sat Oct 9 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM TO 8 PM PDT MONDAY... * WHAT...Northwest winds 15 to 30 mph with gusts up to 50 mph expected. Local gusts over 60 mph are possible over the highest peaks. * WHERE...Coastal North Bay as well as the North Bay Valleys, the San Francisco Peninsula, South Bay, and the Monterey Bay region. * WHEN...From 9 AM to 8 PM PDT Monday. * IMPACTS...Gusty winds could blow around unsecured objects, and create hazardous driving conditions. Trees and/or limbs could be blown down, and a few power outages may result. Have cell phones charged and flashlights handy if power outages occur. * ADDITIONAL DETAILS...Strongest winds will likely occur Monday morning with a secondary max Monday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit http://weather.gov/mtr
139 WWUS76 KMTR 101251 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 551 AM PDT Sun Oct 10 2021 CAZ507-510-511-102100- /O.CON.KMTR.WI.Y.0010.211011T0600Z-211012T0300Z/ North Bay Mountains-East Bay Interior Valleys- East Bay Hills and the Diablo Range- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, San Ramon, and Blackhawk 551 AM PDT Sun Oct 10 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 PM PDT MONDAY... * WHAT...Northwest winds 15 to 30 mph with gusts up to 55 mph expected. Local gusts of 60 to 70 mph are possible over the highest peaks. * WHERE...North Bay Mountains, East Bay Interior Valleys and East Bay Hills and the Diablo Range. * WHEN...From 11 PM this evening to 8 PM PDT Monday. * IMPACTS...Gusty winds could blow around unsecured objects, and create hazardous driving conditions. Trees and/or limbs could be blown down, and a few power outages may result. Have cell phones charged and flashlights handy if power outages occur. * ADDITIONAL DETAILS...Strongest winds will likely occur Monday morning with a secondary max Monday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ006-505-506-508-509-512-513-516>518-528>530-102100- /O.CON.KMTR.WI.Y.0010.211011T1600Z-211012T0300Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- North Bay Interior Valleys-San Francisco Bay Shoreline- San Francisco Peninsula Coast-Santa Cruz Mountains- Santa Clara Valley Including San Jose- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Northern Salinas Valley/Hollister Valley and Carmel Valley- Northern Monterey Bay-Southern Monterey Bay and Big Sur Coast- Including the cities of San Francisco, Tamalpais-Homestead, Sausalito, Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Oakland, Fremont, Hayward, Daly City, Berkeley, Pacifica, Scotts Valley, Boulder Creek, Day Valley, San Jose, Greenfield, King City, Salinas, Santa Cruz, Watsonville, Live Oak, Seaside, Monterey, and Marina 551 AM PDT Sun Oct 10 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM TO 8 PM PDT MONDAY... * WHAT...Northwest winds 15 to 30 mph with gusts up to 50 mph expected. Local gusts over 60 mph are possible over the highest peaks. * WHERE...Coastal North Bay as well as the North Bay Valleys, the San Francisco Peninsula, South Bay, and the Monterey Bay region. * WHEN...From 9 AM to 8 PM PDT Monday. * IMPACTS...Gusty winds could blow around unsecured objects, and create hazardous driving conditions. Trees and/or limbs could be blown down, and a few power outages may result. Have cell phones charged and flashlights handy if power outages occur. * ADDITIONAL DETAILS...Strongest winds will likely occur Monday morning with a secondary max Monday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit http://weather.gov/mtr
594 WWUS76 KMTR 102010 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 110 PM PDT Sun Oct 10 2021 CAZ507-510-511-110500- /O.CON.KMTR.WI.Y.0010.211011T0600Z-211012T0300Z/ North Bay Mountains-East Bay Interior Valleys- East Bay Hills and the Diablo Range- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, San Ramon, and Blackhawk 110 PM PDT Sun Oct 10 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 PM PDT MONDAY... * WHAT...Northwest winds 15 to 30 mph with gusts up to 55 mph expected. Local gusts of 60 to 70 mph are possible over the highest peaks. * WHERE...North Bay Mountains, East Bay Interior Valleys and East Bay Hills and the Diablo Range. * WHEN...From 11 PM this evening to 8 PM PDT Monday. * IMPACTS...Gusty winds could blow around unsecured objects, and create hazardous driving conditions. Trees and/or limbs could be blown down, and a few power outages may result. Have cell phones charged and flashlights handy if power outages occur. * ADDITIONAL DETAILS...Strongest winds will likely occur Monday morning with a secondary max Monday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ006-505-506-508-509-512-513-516>518-528>530-110500- /O.CON.KMTR.WI.Y.0010.211011T1600Z-211012T0300Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- North Bay Interior Valleys-San Francisco Bay Shoreline- San Francisco Peninsula Coast-Santa Cruz Mountains- Santa Clara Valley Including San Jose- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Northern Salinas Valley/Hollister Valley and Carmel Valley- Northern Monterey Bay-Southern Monterey Bay and Big Sur Coast- Including the cities of San Francisco, Tamalpais-Homestead, Sausalito, Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Oakland, Fremont, Hayward, Daly City, Berkeley, Pacifica, Scotts Valley, Boulder Creek, Day Valley, San Jose, Greenfield, King City, Salinas, Santa Cruz, Watsonville, Live Oak, Seaside, Monterey, and Marina 110 PM PDT Sun Oct 10 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM TO 8 PM PDT MONDAY... * WHAT...Northwest winds 15 to 30 mph with gusts up to 50 mph expected. Local gusts over 60 mph are possible over the highest peaks. * WHERE...Coastal North Bay as well as the North Bay Valleys, the San Francisco Peninsula, South Bay, and the Monterey Bay region. * WHEN...From 9 AM to 8 PM PDT Monday. * IMPACTS...Gusty winds could blow around unsecured objects, and create hazardous driving conditions. Trees and/or limbs could be blown down, and a few power outages may result. Have cell phones charged and flashlights handy if power outages occur. * ADDITIONAL DETAILS...Strongest winds will likely occur Monday morning with a secondary max Monday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit http://weather.gov/mtr
896 WWUS76 KMTR 110445 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 945 PM PDT Sun Oct 10 2021 CAZ507-510-511-111245- /O.CON.KMTR.WI.Y.0010.211011T0600Z-211012T0300Z/ North Bay Mountains-East Bay Interior Valleys- East Bay Hills and the Diablo Range- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, San Ramon, and Blackhawk 945 PM PDT Sun Oct 10 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY... * WHAT...North to north-northeast winds 15 to 30 mph with gusts up to 55 mph expected. Local gusts of 60+ mph are possible over the highest peaks. * WHERE...North Bay Mountains, East Bay Interior Valleys and East Bay Hills and the Diablo Range. * WHEN...Until 8 PM PDT Monday. * IMPACTS...Gusty winds could blow around unsecured objects, and create hazardous driving conditions. Trees and/or limbs could be blown down, and a few power outages may result. Have cell phones charged and flashlights handy if power outages occur. * ADDITIONAL DETAILS...Strongest winds will likely occur Monday morning and again on Monday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ006-505-506-508-509-512-513-516>518-528>530-111245- /O.CON.KMTR.WI.Y.0010.211011T1600Z-211012T0300Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- North Bay Interior Valleys-San Francisco Bay Shoreline- San Francisco Peninsula Coast-Santa Cruz Mountains- Santa Clara Valley Including San Jose- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Northern Salinas Valley/Hollister Valley and Carmel Valley- Northern Monterey Bay-Southern Monterey Bay and Big Sur Coast- Including the cities of San Francisco, Tamalpais-Homestead, Sausalito, Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Oakland, Fremont, Hayward, Daly City, Berkeley, Pacifica, Scotts Valley, Boulder Creek, Day Valley, San Jose, Greenfield, King City, Salinas, Santa Cruz, Watsonville, Live Oak, Seaside, Monterey, and Marina 945 PM PDT Sun Oct 10 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM TO 8 PM PDT MONDAY... * WHAT...North winds 15 to 30 mph with gusts up to 50 mph expected. Local gusts over 60 mph are possible over the highest peaks. * WHERE...Coastal North Bay as well as the North Bay Valleys, the San Francisco Peninsula, South Bay, and the Monterey Bay region. * WHEN...From 9 AM to 8 PM PDT Monday. * IMPACTS...Gusty winds could blow around unsecured objects, and create hazardous driving conditions. Trees and/or limbs could be blown down, and a few power outages may result. Have cell phones charged and flashlights handy if power outages occur. * ADDITIONAL DETAILS...Strongest winds will likely occur Monday morning and again on Monday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit http://weather.gov/mtr
061 WWUS76 KMTR 111045 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 345 AM PDT Mon Oct 11 2021 CAZ516-111900- /O.NEW.KMTR.FR.Y.0003.211012T0900Z-211012T1600Z/ /O.CON.KMTR.WI.Y.0010.211011T1600Z-211012T0300Z/ Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Including the cities of Greenfield and King City 345 AM PDT Mon Oct 11 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 8 PM PDT THIS EVENING... ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM PDT TUESDAY... * WHAT...For the Wind Advisory, north winds 15 to 30 mph with gusts up to 45 mph expected on Monday. For the Frost Advisory, temperatures as low as 33 could result in frost formation early Tuesday morning. * WHERE...Southern Salinas Valley/Arroyo Seco and Lake San Antonio. * WHEN...For the Wind Advisory, from 9 AM this morning to 8 PM PDT this evening. For the Frost Advisory, from 2 AM to 9 AM PDT Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. Take steps now to protect tender plants from the cold. && $$ CAZ507-510-511-111900- /O.CON.KMTR.WI.Y.0010.000000T0000Z-211012T0300Z/ North Bay Mountains-East Bay Interior Valleys- East Bay Hills and the Diablo Range- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Concord, Antioch, Livermore, Walnut Creek, Pleasanton, Pittsburg, San Ramon, and Blackhawk 345 AM PDT Mon Oct 11 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...North to north-northeast winds 15 to 30 mph with gusts up to 55 mph expected. Local gusts around 60 mph are possible over the highest peaks. * WHERE...North Bay Mountains, East Bay Interior Valleys and East Bay Hills and the Diablo Range. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects, and create hazardous driving conditions. Trees and/or limbs could be blown down, and a few power outages may result. Have cell phones charged and flashlights handy if power outages occur. * ADDITIONAL DETAILS...Strongest winds will likely occur this morning and again on this afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ006-505-506-508-509-512-513-517-518-528>530-111900- /O.CON.KMTR.WI.Y.0010.211011T1600Z-211012T0300Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- North Bay Interior Valleys-San Francisco Bay Shoreline- San Francisco Peninsula Coast-Santa Cruz Mountains- Santa Clara Valley Including San Jose- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Northern Salinas Valley/Hollister Valley and Carmel Valley- Northern Monterey Bay-Southern Monterey Bay and Big Sur Coast- Including the cities of San Francisco, Tamalpais-Homestead, Sausalito, Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Oakland, Fremont, Hayward, Daly City, Berkeley, Pacifica, Scotts Valley, Boulder Creek, Day Valley, San Jose, Salinas, Santa Cruz, Watsonville, Live Oak, Seaside, Monterey, and Marina 345 AM PDT Mon Oct 11 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 8 PM PDT THIS EVENING... * WHAT...North winds 15 to 30 mph with gusts up to 50 mph expected. Local gusts of 60 mph are possible over the highest peaks. * WHERE...Coastal North Bay as well as the North Bay Valleys, the San Francisco Peninsula, South Bay, and the Monterey Bay region. * WHEN...From 9 AM this morning to 8 PM PDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects, and create hazardous driving conditions. Trees and/or limbs could be blown down, and a few power outages may result. Have cell phones charged and flashlights handy if power outages occur. * ADDITIONAL DETAILS...Strongest winds will likely occur this morning and again this afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit http://weather.gov/mtr
153 WWUS76 KMTR 111833 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 1133 AM PDT Mon Oct 11 2021 CAZ516-120330- /O.CON.KMTR.WI.Y.0010.000000T0000Z-211012T0300Z/ /O.CON.KMTR.FR.Y.0003.211012T0900Z-211012T1600Z/ Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Including the cities of Greenfield and King City 1133 AM PDT Mon Oct 11 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM PDT TUESDAY... * WHAT...For the Wind Advisory, north winds 15 to 30 mph with gusts up to 45 mph expected on Monday. For the Frost Advisory, temperatures as low as 33 could result in frost formation early Tuesday morning. * WHERE...Southern Salinas Valley/Arroyo Seco and Lake San Antonio. * WHEN...For the Wind Advisory, from 9 AM this morning to 8 PM PDT this evening. For the Frost Advisory, from 2 AM to 9 AM PDT Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. Take steps now to protect tender plants from the cold. && $$ CAZ006-505>513-517-518-528>530-120300- /O.CON.KMTR.WI.Y.0010.000000T0000Z-211012T0300Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- North Bay Interior Valleys-North Bay Mountains- 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- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Northern Salinas Valley/Hollister Valley and Carmel Valley- Northern Monterey Bay-Southern Monterey Bay and Big Sur Coast- 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, 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, Salinas, Santa Cruz, Watsonville, Live Oak, Seaside, Monterey, and Marina 1133 AM PDT Mon Oct 11 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...North winds 15 to 30 mph with gusts up to 50 mph expected. Local gusts of 60 mph are possible over the highest peaks. * WHERE...Coastal North Bay as well as the North Bay Valleys, the San Francisco Peninsula, South Bay, and the Monterey Bay region. * WHEN...From 9 AM this morning to 8 PM PDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects, and create hazardous driving conditions. Trees and/or limbs could be blown down, and a few power outages may result. Have cell phones charged and flashlights handy if power outages occur. * ADDITIONAL DETAILS...Strongest winds will likely occur this morning and again this afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
505 WWUS76 KMTR 112146 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 246 PM PDT Mon Oct 11 2021 CAZ516-120600- /O.CON.KMTR.WI.Y.0010.000000T0000Z-211012T0300Z/ /O.CON.KMTR.FR.Y.0003.211012T0900Z-211012T1600Z/ Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Including the cities of Greenfield and King City 246 PM PDT Mon Oct 11 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM PDT TUESDAY... * WHAT...For the Wind Advisory, north winds 15 to 30 mph with gusts up to 45 mph expected on Monday. For the Frost Advisory, temperatures as low as 33 could result in frost formation early Tuesday morning. * WHERE...Southern Salinas Valley/Arroyo Seco and Lake San Antonio. * WHEN...For the Wind Advisory, from 9 AM this morning to 8 PM PDT this evening. For the Frost Advisory, from 2 AM to 9 AM PDT Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. Take steps now to protect tender plants from the cold. && $$ CAZ006-505>513-517-518-528>530-120300- /O.CON.KMTR.WI.Y.0010.000000T0000Z-211012T0300Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- North Bay Interior Valleys-North Bay Mountains- 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- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Northern Salinas Valley/Hollister Valley and Carmel Valley- Northern Monterey Bay-Southern Monterey Bay and Big Sur Coast- 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, 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, Salinas, Santa Cruz, Watsonville, Live Oak, Seaside, Monterey, and Marina 246 PM PDT Mon Oct 11 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...North winds 15 to 30 mph with gusts up to 50 mph expected. Local gusts of 60 mph are possible over the highest peaks. * WHERE...Coastal North Bay as well as the North Bay Valleys, the San Francisco Peninsula, South Bay, and the Monterey Bay region. * WHEN...From 9 AM this morning to 8 PM PDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects, and create hazardous driving conditions. Trees and/or limbs could be blown down, and a few power outages may result. Have cell phones charged and flashlights handy if power outages occur. * ADDITIONAL DETAILS...Strongest winds will likely occur this morning and again this afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
527 WWUS76 KMTR 120250 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 750 PM PDT Mon Oct 11 2021 CAZ516-120700- /O.EXP.KMTR.WI.Y.0010.000000T0000Z-211012T0300Z/ /O.CON.KMTR.FR.Y.0003.211012T0900Z-211012T1600Z/ Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Including the cities of Greenfield and King City 750 PM PDT Mon Oct 11 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM PDT TUESDAY... ...WIND ADVISORY WILL EXPIRE AT 8 PM PDT THIS EVENING... * WHAT...Temperatures as low as 33 will result in frost formation early Tuesday morning. * WHERE...Southern Salinas Valley/Arroyo Seco and Lake San Antonio. * WHEN...For the Wind Advisory, from 9 AM this morning to 8 PM PDT this evening. For the Frost Advisory, from 2 AM to 9 AM PDT Tuesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ CAZ006-505>513-517-518-528>530-120400- /O.EXP.KMTR.WI.Y.0010.000000T0000Z-211012T0300Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- North Bay Interior Valleys-North Bay Mountains- 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- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Northern Salinas Valley/Hollister Valley and Carmel Valley- Northern Monterey Bay-Southern Monterey Bay and Big Sur Coast- 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, 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, Salinas, Santa Cruz, Watsonville, Live Oak, Seaside, Monterey, and Marina 750 PM PDT Mon Oct 11 2021 ...WIND ADVISORY WILL EXPIRE AT 8 PM PDT THIS EVENING... The wind advisory will be allowed to expire at 8 PM PDT this evening. $$ For more information from the National Weather Service visit http://weather.gov/mtr
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 9, 2:49 AM PDT | Small Craft Advisory | MTR | 48 hr | |
| Oct 9, 2:49 AM PDT | Small Craft Advisory | MTR | 6 days |
Nearby
Wind Advisories in California, 2021Every wind advisory in 2021
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.