Alert archive / California / Wind Advisories in 2017
Wind Advisory 14, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this wind advisory at Mar 29, 2017, 6:21 PM PDT for 6 counties in California. It took effect at Mar 30, 2017, 12:00 PM PDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Mar 29, 2017, 6:21 PM PDT (01:21 UTC)
- In effect from
- Mar 30, 2017, 12:00 PM PDT
- Expired
- Mar 30, 2017, 8:00 PM PDT
- In force
- 8 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties City and County of San Francisco, CA, Marin County, CA, Monterey County, CA, San Mateo County, CA, Santa Cruz County, CA, Sonoma County, CA
The radar
The San Francisco radar (KMUX), 53 km from the middle of the area, began a volume at 01:25 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, 1.4 hours before the alert went out and 26 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
- 2571 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -76 m²/s²
- 0-3 km storm-relative helicity
- -24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
356 WWUS76 KMTR 300121 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 621 PM PDT Wed Mar 29 2017 ...Locally windy conditions expected from Thursday afternoon through midday Friday... .A cold front will sweep through northern and central California on Thursday morning. Little or no rainfall is expected with this front. However, blustery conditions are forecast to develop behind the cold front Thursday afternoon as northwest winds increase. Locally strong northwest winds are expected near the coast from Thursday afternoon into Thursday evening. Winds will decrease near the coast by late Thursday evening, but increase in the hills. Locally strong and gusty winds are then expected in the hills from midnight Thursday night through midday Friday. CAZ006-505-509-530-301300- /O.NEW.KMTR.WI.Y.0014.170330T1900Z-170331T0300Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- San Francisco Peninsula Coast- Southern Monterey Bay and Big Sur Coast- Including the cities of San Francisco, Tamalpais-Homestead, Sausalito, Pacifica, Seaside, Monterey, and Marina 621 PM PDT Wed Mar 29 2017 ...WIND ADVISORY IN EFFECT FROM NOON TO 8 PM PDT THURSDAY... The National Weather Service San Francisco Bay Area has issued a Wind Advisory, which is in effect for coastal areas from Noon to 8 PM PDT Thursday. * TIMING...Winds will increase by midday Thursday and remain strong and gusty into Thursday evening. Strongest winds are expected from mid afternoon through early evening Thursday. * WINDS...Northwest winds of 20 to 30 mph are forecast along with gusts up to 45 mph. * IMPACTS...Possible downed trees and limbs, blowing debris, and 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. && $$ CAZ507-511-517-518-301300- /O.NEW.KMTR.WI.Y.0015.170331T0700Z-170331T1900Z/ North Bay Mountains-East Bay Hills and the Diablo Range- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, and Blackhawk 621 PM PDT Wed Mar 29 2017 ...WIND ADVISORY IN EFFECT FROM MIDNIGHT THURSDAY NIGHT TO NOON PDT FRIDAY... The National Weather Service San Francisco Bay Area has issued a Wind Advisory, which is in effect for elevations above 1000 feet from midnight Thursday night to noon PDT Friday. * TIMING...Northwest winds will increase Thursday afternoon and evening and become locally strong and gusty by late Thursday night. Winds will remain strong and gusty through Friday morning before slowly diminishing Friday afternoon. * WINDS...Northwest winds of 20 to 30 mph with gusts as high as 50 mph. * IMPACTS...Downed trees and tree limbs, blowing debris, and local power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that wind gusts of at least 45 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$
2 follow-up statements
516 WWUS76 KMTR 300735 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 1235 AM PDT Thu Mar 30 2017 ...Locally windy conditions expected from this afternoon through midday Friday... .A cold front will sweep through northern and central California through this morning. Little or no rainfall is expected with this front. However, blustery conditions are forecast to develop behind the cold front this afternoon as northwest winds increase. Locally strong northwest winds are expected near the coast from this afternoon into this evening. Winds will decrease near the coast by the late evening hours, but increase in the hills. Locally strong and gusty winds are then expected in the hills from the overnight hours tonight through midday Friday. CAZ006-505-509-530-302200- /O.CON.KMTR.WI.Y.0014.170330T1900Z-170331T0300Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- San Francisco Peninsula Coast- Southern Monterey Bay and Big Sur Coast- Including the cities of San Francisco, Tamalpais-Homestead, Sausalito, Pacifica, Seaside, Monterey, and Marina 1235 AM PDT Thu Mar 30 2017 ...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM PDT THIS EVENING... * TIMING...Winds will increase by midday Thursday and remain strong and gusty into Thursday evening. Strongest winds are expected from mid afternoon through early evening Thursday. * WINDS...Northwest winds of 20 to 30 mph are forecast along with gusts up to 45 mph. * IMPACTS...Possible downed trees and limbs, blowing debris, and 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. && $$ CAZ507-511-517-518-302200- /O.CON.KMTR.WI.Y.0015.170331T0700Z-170331T1900Z/ North Bay Mountains-East Bay Hills and the Diablo Range- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, and Blackhawk 1235 AM PDT Thu Mar 30 2017 ...WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON PDT FRIDAY... * TIMING...Northwest winds will increase Thursday afternoon and evening and become locally strong and gusty by late Thursday night. Winds will remain strong and gusty through Friday morning before slowly diminishing Friday afternoon. * WINDS...Northwest winds of 20 to 30 mph with gusts as high as 50 mph. * IMPACTS...Downed trees and tree limbs, blowing debris, and local power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that wind gusts of at least 45 mph are expected. Winds this strong can make driving difficult... especially for high profile vehicles. Use extra caution. && $$
324 WWUS76 KMTR 301941 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 1241 PM PDT Thu Mar 30 2017 ...Locally windy conditions expected from this afternoon through midday Friday... .Blustery conditions are forecast to develop behind a cold front this afternoon as northwest winds increase. Locally strong northwest winds are expected near the coast from this afternoon into this evening. Winds will decrease near the coast by the late evening hours, but increase in the hills. Locally strong and gusty winds are then expected in the hills from the overnight hours tonight through midday Friday. CAZ006-505-509-530-310300- /O.CON.KMTR.WI.Y.0014.000000T0000Z-170331T0300Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- San Francisco Peninsula Coast- Southern Monterey Bay and Big Sur Coast- Including the cities of San Francisco, Tamalpais-Homestead, Sausalito, Pacifica, Seaside, Monterey, and Marina 1241 PM PDT Thu Mar 30 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * TIMING...Winds will increase by midday Thursday and remain strong and gusty into Thursday evening. Strongest winds are expected from mid afternoon through early evening Thursday. * WINDS...Northwest winds of 20 to 30 mph are forecast along with gusts up to 45 mph. * IMPACTS...Possible downed trees and limbs, blowing debris, and 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. && $$ CAZ507-511-517-518-310400- /O.CON.KMTR.WI.Y.0015.170331T0700Z-170331T1900Z/ North Bay Mountains-East Bay Hills and the Diablo Range- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park- Including the cities of Angwin, Lagunitas-Forest Knolls, Woodacre, and Blackhawk 1241 PM PDT Thu Mar 30 2017 ...WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON PDT FRIDAY... * TIMING...Northwest winds will increase Thursday afternoon and evening and become locally strong and gusty by late Thursday night. Winds will remain strong and gusty through Friday morning before slowly diminishing Friday afternoon. * WINDS...Northwest winds of 20 to 30 mph with gusts as high as 50 mph. * IMPACTS...Downed trees and tree limbs, blowing debris, and local power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that wind gusts of at least 45 mph are expected. Winds this strong can make driving difficult... especially for high profile vehicles. Use extra caution. && $$
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 6:21 PM PDT | Wind Advisory | MTR | Monterey, San Benito | 42 hr |
| Mar 29, 8:28 PM PDT | Small Craft Advisory for Rough Bar | MTR | 19 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.