Alert archive / California / Wind Advisories in 2018
Wind Advisory 10, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this wind advisory at Dec 26, 2018, 2:05 PM PST for 5 counties in California. It took effect at Dec 27, 2018, 7:00 AM PST. It was in force for 21 hr.
The area
The counties it named.
The facts
- Issued
- Dec 26, 2018, 2:05 PM PST (22:05 UTC)
- In effect from
- Dec 27, 2018, 7:00 AM PST
- Expired
- Dec 28, 2018, 4:00 AM PST
- In force
- 21 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties Monterey County, CA, San Benito County, CA, San Mateo County, CA, Santa Clara County, CA, Santa Cruz County, CA
The radar
The San Francisco radar (KMUX), 33 km from the middle of the area, began a volume at 22:07 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, 10.1 hours before the alert went out and 102 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
- 1800 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
507 WWUS76 KMTR 262205 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 205 PM PST Wed Dec 26 2018 CAZ507-511-512-517-518-270700- /O.NEW.KMTR.WI.Y.0010.181227T1500Z-181228T1200Z/ North Bay Mountains-East Bay Hills and the Diablo Range- Santa Cruz Mountains- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Blackhawk, Scotts Valley, Boulder Creek, and Day Valley 205 PM PST Wed Dec 26 2018 ...WIND ADVISORY IN EFFECT FROM 7 AM THURSDAY TO 4 AM PST FRIDAY... The National Weather Service San Francisco Bay Area has issued a Wind Advisory, which is in effect from 7 AM Thursday to 4 AM PST Friday. * WINDS...North 20 to 30 mph with gusts up to 45 mph with local gusts to 55 mph. * TIMING...Early Thursday morning through Sunrise Friday morning. * LOCATIONS...Bay Area hills and mountains above about 1000 feet as well as mountains of Monterey and San Benito Counties. * IMPACTS...Gusty winds will blow around unsecured objects. Trees or tree limbs could be blown down and result in local power outages. Gusty winds will also make driving difficult, especially for drivers of high profile vehicles or those pulling trailers. 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. && $$
5 follow-up statements
600 WWUS76 KMTR 270554 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 954 PM PST Wed Dec 26 2018 CAZ507-511-512-517-518-271800- /O.CON.KMTR.WI.Y.0010.181227T1500Z-181228T1200Z/ North Bay Mountains-East Bay Hills and the Diablo Range- Santa Cruz Mountains- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Blackhawk, Scotts Valley, Boulder Creek, and Day Valley 954 PM PST Wed Dec 26 2018 ...WIND ADVISORY REMAINS IN EFFECT FROM 7 AM THURSDAY TO 4 AM PST FRIDAY... * WINDS...North 20 to 30 mph with gusts up to 45 mph with local gusts to 55 mph. * TIMING...Early Thursday morning through Sunrise Friday morning. * LOCATIONS...Bay Area hills and mountains above about 1000 feet as well as mountains of Monterey and San Benito Counties. * IMPACTS...Gusty winds will blow around unsecured objects. Trees or tree limbs could be blown down and result in local power outages. Gusty winds will also make driving difficult, especially for drivers of high profile vehicles or those pulling trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that wind gusts of at least 45 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$
711 WWUS76 KMTR 271751 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 951 AM PST Thu Dec 27 2018 CAZ507-511-512-517-518-280600- /O.CON.KMTR.WI.Y.0010.000000T0000Z-181228T1200Z/ North Bay Mountains-East Bay Hills and the Diablo Range- Santa Cruz Mountains- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Blackhawk, Scotts Valley, Boulder Creek, and Day Valley 951 AM PST Thu Dec 27 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY... * WINDS...North 20 to 30 mph with gusts up to 45 mph with local gusts to 55 mph. * TIMING...Early Thursday morning through Sunrise Friday morning. * LOCATIONS...Bay Area hills and mountains above about 1000 feet as well as mountains of Monterey and San Benito Counties. * IMPACTS...Gusty winds will blow around unsecured objects. Trees or tree limbs could be blown down and result in local power outages. Gusty winds will also make driving difficult, especially for drivers of high profile vehicles or those pulling trailers. 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. && $$
592 WWUS76 KMTR 272052 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 1252 PM PST Thu Dec 27 2018 CAZ517-518-280615- /O.NEW.KMTR.FZ.A.0002.181229T0800Z-181229T1700Z/ /O.CON.KMTR.WI.Y.0010.000000T0000Z-181228T1200Z/ Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- 1252 PM PST Thu Dec 27 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY... ...FREEZE WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY MORNING... The National Weather Service in San Francisco has issued a Freeze Watch, which is in effect from late Friday night through Saturday morning. * TEMPERATURES...Friday night 24-29 degrees F. * WINDS...North 20 to 30 mph with gusts up to 45 mph with local gusts to 55 mph. * TIMING...Wind - Through Sunrise Friday morning. Freeze Watch - Friday night through early Saturday morning. * LOCATIONS...Wind Advisory - Mountains above about 1000 feet. Freeze Watch protected valleys. * IMPACTS...Wind - Gusty winds will blow around unsecured objects. Trees or tree limbs could be blown down and result in local power outages. Gusty winds will also make driving difficult, especially for drivers of high profile vehicles or those pulling trailers. Freeze Watch - Freezing or sub-freezing temperatures can damage or kill plants sensitive to cold weather and damage unprotected outdoor plumbing. Please make sure your animals have a warm shelter. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. A Freeze Watch means sub-freezing temperatures are possible. These conditions could kill crops and other sensitive vegetation. && $$ CAZ507-511-512-280615- /O.CON.KMTR.WI.Y.0010.000000T0000Z-181228T1200Z/ North Bay Mountains-East Bay Hills and the Diablo Range- Santa Cruz Mountains- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Blackhawk, Scotts Valley, Boulder Creek, and Day Valley 1252 PM PST Thu Dec 27 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY... * WINDS...North 20 to 30 mph with gusts up to 45 mph with local gusts to 55 mph. * TIMING...Through Sunrise Friday morning. * LOCATIONS...Bay Area hills and mountains above about 1000 feet. * IMPACTS...Gusty winds will blow around unsecured objects. Trees or tree limbs could be blown down and result in local power outages. Gusty winds will also make driving difficult, especially for drivers of high profile vehicles or those pulling trailers. 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. && $$ CAZ516-280615- /O.NEW.KMTR.FZ.A.0002.181229T0800Z-181229T1700Z/ Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Including the cities of Greenfield and King City 1252 PM PST Thu Dec 27 2018 ...FREEZE WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY MORNING... The National Weather Service in San Francisco has issued a Freeze Watch, which is in effect from late Friday night through Saturday morning. * TEMPERATURES...24-29 degrees F. * TIMING...Friday night through early Saturday morning. * IMPACTS...Freezing or sub-freezing temperatures can damage or kill plants sensitive to cold weather and damage unprotected outdoor plumbing. Please make sure your animals have a warm shelter. * LOCATIONS...Southern Salinas Valley. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Watch means sub-freezing temperatures are possible. These conditions could kill crops and other sensitive vegetation. && $$
652 WWUS76 KMTR 280526 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 926 PM PST Thu Dec 27 2018 CAZ517-518-281200- /O.CON.KMTR.WI.Y.0010.000000T0000Z-181228T1200Z/ /O.CON.KMTR.FZ.A.0002.181229T0800Z-181229T1700Z/ Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- 926 PM PST Thu Dec 27 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY... ...FREEZE WATCH REMAINS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY MORNING... * WINDS...North 20 to 30 mph tonight, with gusts up to 45 mph and local gusts to 55 mph. * TEMPERATURES...Friday night overnight lows 24-29 degrees F. * TIMING...Wind - Through Thursday night. Freeze Watch - Friday night through early Saturday morning. * LOCATIONS...Wind Advisory - Mountains above about 1000 feet. Freeze Watch - wind sheltered inland valleys. * IMPACTS...Wind - Gusty winds will blow around unsecured objects. Trees or tree limbs could be blown down and result in local power outages. Gusty winds will also make driving difficult, especially for drivers of high profile vehicles or those pulling trailers. Freeze Watch - Freezing or sub-freezing temperatures can damage or kill plants sensitive to cold weather and damage unprotected outdoor plumbing. Please make sure your animals have warm shelter. 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. A Freeze Watch means sub-freezing temperatures are possible. These conditions could kill crops and other sensitive vegetation. && $$ CAZ507-511-512-281200- /O.CON.KMTR.WI.Y.0010.000000T0000Z-181228T1200Z/ North Bay Mountains-East Bay Hills and the Diablo Range- Santa Cruz Mountains- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Blackhawk, Scotts Valley, Boulder Creek, and Day Valley 926 PM PST Thu Dec 27 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY... * WINDS...North 20 to 30 mph with gusts up to 45 mph and local gusts to 55 mph. * TIMING...Through 4 am Friday. * LOCATIONS...Bay Area hills and mountains above about 1000 feet. * IMPACTS...Gusty winds will blow around unsecured objects. Trees or tree limbs could be blown down and result in local power outages. Gusty winds will also make driving difficult, especially for drivers of high profile vehicles or those pulling trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that wind gusts of at least 45 mph are expected. Winds this strong can make driving difficult... especially for high profile vehicles. Use extra caution. && $$ CAZ516-281200- /O.CON.KMTR.FZ.A.0002.181229T0800Z-181229T1700Z/ Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Including the cities of Greenfield and King City 926 PM PST Thu Dec 27 2018 ...FREEZE WATCH REMAINS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY MORNING... * TEMPERATURES...Overnight lows of 24-29 degrees F. * TIMING...Late Friday night through early Saturday morning. * IMPACTS...Freezing or sub-freezing temperatures can damage or kill plants sensitive to cold weather and damage unprotected outdoor plumbing. Please make sure your animals have a warm shelter. * LOCATIONS...Southern Salinas Valley and adjoining inland valleys. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Watch means sub-freezing temperatures are possible. These conditions could kill crops and other sensitive vegetation. && $$
969 WWUS76 KMTR 281159 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 359 AM PST Fri Dec 28 2018 CAZ517-518-282200- /O.EXP.KMTR.WI.Y.0010.000000T0000Z-181228T1200Z/ /O.CON.KMTR.FZ.A.0002.181229T0800Z-181229T1700Z/ Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- 359 AM PST Fri Dec 28 2018 ...WIND ADVISORY BEING ALLOWED TO EXPIRE AT 4 AM PST EARLY THIS MORNING... Winds have generally fallen below advisory levels, though at highest elevations locally strong and gusty winds will continue into the morning hours. ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING... * TEMPERATURES...Overnight lows of 23-29 degrees F. * TIMING...Friday night through early Saturday morning. * LOCATIONS...Wind sheltered inland valleys. * IMPACTS...Freezing temperatures could kill sensitive vegetation and damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Watch means sub-freezing temperatures are possible. These conditions could kill crops and other sensitive vegetation. && $$ CAZ507-511-512-281300- /O.EXP.KMTR.WI.Y.0010.000000T0000Z-181228T1200Z/ North Bay Mountains-East Bay Hills and the Diablo Range- Santa Cruz Mountains- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, Blackhawk, Scotts Valley, Boulder Creek, and Day Valley 359 AM PST Fri Dec 28 2018 ...WIND ADVISORY BEING ALLOWED TO EXPIRE AT 4 AM PST EARLY THIS MORNING... Winds have generally fallen below advisory levels, though at highest elevations locally strong and gusty winds will continue into the morning hours. $$ CAZ516-282200- /O.CON.KMTR.FZ.A.0002.181229T0800Z-181229T1700Z/ Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Including the cities of Greenfield and King City 359 AM PST Fri Dec 28 2018 ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING... * TEMPERATURES...Overnight lows of 23-29 degrees F. * TIMING...Late Friday night through early Saturday morning. * IMPACTS...Freezing or sub-freezing temperatures can damage or kill plants sensitive to cold weather and damage unprotected outdoor plumbing. Please make sure your animals have a warm shelter. * LOCATIONS...Southern Salinas Valley and adjoining inland valleys. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Watch means sub-freezing temperatures are possible. These conditions could kill crops and other sensitive vegetation. && $$
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 25, 9:03 PM PST | Small Craft Advisory for Rough Bar | MTR | 30 hr | |
| Dec 25, 9:03 PM PST | Small Craft Advisory | MTR | 54 hr | |
| Dec 26, 2:52 AM PST | Gale Warning | MTR | 48 hr |
Nearby
Wind Advisories in California, 2018Every wind advisory in 2018
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.