Alert archive / California / High Wind Warnings in 2019

High Wind Warning 2, NWS San Francisco Bay Area, CA

February 1, 201911 counties in California

NWS San Francisco Bay Area, CA issued this high wind warning at Feb 1, 2019, 8:34 AM PST for 11 counties in California. It took effect at Feb 1, 2019, 3:00 PM PST. It was in force for 17 hr. 34 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 1, 2019, 8:34 AM PST (16:34 UTC)
In effect from
Feb 1, 2019, 3:00 PM PST
Expired
Feb 2, 2019, 7:53 AM PST
In force
17 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 16:38 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.

What was reported inside it

TimeReportWhereRemark
Feb 1, 11:25 PM PSTNON-TSTM WND GST 361 E Fremont, CAMESONET STATION E5830, FREMONT.
Feb 2, 12:09 AM PSTNON-TSTM WND GST 373 S Richmond, CAMESONET STATION D7213, 2 S RICHMOND.
Feb 2, 12:28 AM PSTNON-TSTM WND GST 403 S Richmond, CAMESONET STATION D7213, 2 S RICHMOND.
Feb 2, 12:35 AM PSTNON-TSTM WND GST 352 Nnw Hollister, CAAWOS STATION CVH, HOLLISTER AIRPORT.
Feb 2, 1:32 AM PSTNON-TSTM WND GST 532 Sse Los Gatos, CAMESONET STATION LSGC1, LOS GATOS RAWS.
Feb 2, 1:40 AM PSTNON-TSTM WND GST 5825 Sw Greenfield, CAMESONET STATION HLPK, HIGHLANDS PEAK.
Feb 2, 1:50 AM PSTNON-TSTM WND GST 382 Nw Lucas Valley-Marin, CAMESONET STATION PG123, 2 WNW LUCAS VALLEY-MARINWOOD.
Feb 2, 1:50 AM PSTNON-TSTM WND GST 4111 E Cloverdale, CAMESONET STATION PG125, 4 W PINE GROVE.
Feb 2, 1:50 AM PSTNON-TSTM WND GST 419 Se Livermore, CAMESONET STATION PG101, 9 SE LIVERMORE.
Feb 2, 1:50 AM PSTNON-TSTM WND GST 587 Nnw Calistoga, CAMESONET STATION PG132, MT ST HELENA WEST.
Feb 2, 1:52 AM PSTNON-TSTM WND GST 522 Se Salinas, CAASOS STATION SNS, SALINAS AIRPORT.
Feb 2, 1:55 AM PSTNON-TSTM WND GST 449 Wsw Boulder Creek, CAMESONET STATION XWAD, LAS TRANCAS.
Feb 2, 1:57 AM PSTNON-TSTM WND GST 5931 Ene King City, CAMESONET STATION SRTC1, 19 NW COALINGA.
Feb 2, 2:05 AM PSTNON-TSTM WND GST 38San Martin, CAAWOS STATION E16, SAN MARTIN AIRPORT.
Feb 2, 2:20 AM PSTNON-TSTM WND GST 402 Nnw Hollister, CAAWOS STATION CVH, HOLLISTER AIRPORT.
Feb 2, 2:30 AM PSTNON-TSTM WND GST 4118 S Carmel Valley Vill, CAMESONET STATION D1685, DW1685 BIG SUR.
Feb 2, 2:40 AM PSTNON-TSTM WND GST 412 Nnw Hollister, CAAWOS STATION CVH, HOLLISTER AIRPORT.
Feb 2, 2:54 AM PSTNON-TSTM WND GST 381 Sw Del Rey Oaks, CAASOS STATION MRY, MONTEREY AIRPORT.
Feb 2, 2:55 AM PSTNON-TSTM WND GST 362 W El Granada, CAAWOS STATION HAF, HALF MOON BAY AIRPORT.
Feb 2, 2:55 AM PSTNON-TSTM WND GST 432 Nnw Hollister, CAAWOS STATION CVH, HOLLISTER AIRPORT.
Feb 2, 3:00 AM PSTNON-TSTM WND GST 362 W El Granada, CAAWOS STATION HAF, HALF MOON BAY AIRPORT.
Feb 2, 3:03 AM PSTNON-TSTM WND GST 383 Ene Gilroy, CAMESONET STATION C4787, 3 ENE GILROY.
Feb 2, 3:10 AM PSTNON-TSTM WND GST 351 Ssw Monterey, CAMESONET STATION E4129, MONTEREY.
Feb 2, 3:23 AM PSTFLOODCorte Madera, CAROADWAY FLOODING LOCATION: 53 SAN CLEMENTE DR.
Feb 2, 3:23 AM PSTNON-TSTM WND GST 393 Ene Gilroy, CAMESONET STATION C4787, 3 ENE GILROY.
Feb 2, 3:32 AM PSTNON-TSTM WND DMG4 Ssw Del Rey Oaks, CATREE DOWN BLOCKING THE EB LN.
Feb 2, 3:34 AM PSTNON-TSTM WND GST 372 S Pacifica, CAMESONET STATION AV218, 1 S PACIFICA.
Feb 2, 3:35 AM PSTNON-TSTM WND GST 472 W El Granada, CAAWOS STATION HAF, HALF MOON BAY AIRPORT.
Feb 2, 3:37 AM PSTNON-TSTM WND DMG2 Ese Del Monte Forest, CANUMEROUS TREES BLKNG RDWY REQ RD CLOSUR. SR1 / CARPENTER RD BTWN OCEAN.
Feb 2, 3:44 AM PSTNON-TSTM WND DMG1 Se Del Monte Forest, CATREE DOWN W/ WIRES. LOCATION: MIDWOOD LN / DON LN.
Feb 2, 4:32 AM PSTNON-TSTM WND DMG1 W Live Oak, CACAPITOLA RD / 7TH AVE, TREE ACROSS BOTH LNS.
Feb 2, 4:55 AM PSTFLOOD2 Sw Union City, CAROADWAY FLOODING LOCATION: I880 N / ALVARADO BLVD OFR. CONFIRMED WATER IS POOLING IN 1-2 LANE / NB JNO ALVARDO.
Feb 2, 5:03 AM PSTFLOOD3 Sw Piedmont, CANB 880 AT BROADWAY PER AC TRANSIT DRVR RT LN FLOODED.
Feb 2, 6:56 AM PSTNON-TSTM WND DMG2 W Lexington Hills, CADOWNED TREE BLOCKING ROADWAY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Oakland, CA (KOAK), launched 12:00Z, 4.6 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.

Skew-T log-pSkew-T log-p diagram, Oakland, CA at 12:00Z on 2019-02-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Oakland, CA at 12:00Z on 2019-02-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
652 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

327 
WWUS76 KMTR 011634
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
834 AM PST Fri Feb 1 2019

CAZ006-505>513-516>518-528>530-020500-
/O.UPG.KMTR.HW.A.0002.190201T2300Z-190202T1400Z/
/O.NEW.KMTR.HW.W.0002.190201T2300Z-190202T1800Z/
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-
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, 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, Greenfield, King City, Salinas, Santa Cruz,
Watsonville, Live Oak, Seaside, Monterey, and Marina
834 AM PST Fri Feb 1 2019

...HIGH WIND WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 10 AM
PST SATURDAY...

The National Weather Service in San Francisco has issued a High
Wind Warning, which is in effect from 3 PM this afternoon to
10 AM PST Saturday. The High Wind Watch is no longer in effect.

* WINDS...Southeast 25 to 35 mph with gusts 50 to 65 mph.

* LOCATION...Entire San Francisco Bay Area. Entire Monterey Bay 
  Area.

* TIMING...High Wind Warning is in effect from 3 pm this afternoon
  through 10 am Saturday morning. This is when the strongest 
  winds are anticipated. Winds are forecast to peak late tonight 
  or early Saturday morning as a powerful front moves onshore. 
  Gusty winds will continue through Saturday and into Saturday 
  evening. Winds will subside by Sunday.

* IMPACTS...Strong winds may blow down limbs, trees, and power
  lines. Power outages are expected.

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.

&&

$$
3 follow-up statements
933 
WWUS76 KMTR 020447
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
847 PM PST Fri Feb 1 2019

CAZ006-505>513-516>518-528>530-021400-
/O.CON.KMTR.HW.W.0002.000000T0000Z-190202T1800Z/
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-
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, 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, Greenfield, King City, Salinas, Santa Cruz,
Watsonville, Live Oak, Seaside, Monterey, and Marina
847 PM PST Fri Feb 1 2019

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY...

* WINDS...Southeast 25 to 35 mph with gusts 50 to 65 mph.

* LOCATION...Entire San Francisco Bay Area. Entire Monterey Bay 
  Area.

* TIMING...High Wind Warning is in effect through 10 am Saturday
  morning. Wind speeds are forecast to peak late Friday night or 
  early Saturday morning as a powerful front moves onshore. Gusty 
  winds will continue through Saturday and into Saturday evening. 
  Winds will subside by Sunday.

* IMPACTS...Strong winds may blow down limbs, trees, and power 
  lines. Power outages are expected.

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.

&&

$$
982 
WWUS76 KMTR 021343
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
543 AM PST Sat Feb 2 2019

CAZ006-505>513-516>518-528>530-021800-
/O.CON.KMTR.HW.W.0002.000000T0000Z-190202T1800Z/
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-
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, 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, Greenfield, King City, Salinas, Santa Cruz,
Watsonville, Live Oak, Seaside, Monterey, and Marina
543 AM PST Sat Feb 2 2019

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...

* WINDS...South 30 to 40 mph with gusts up to 60 mph.

* LOCATION...Entire San Francisco Bay Area. Entire Monterey Bay 
  Area.

* TIMING...High Wind Warning is in effect through 10 am Saturday
  morning. Wind speeds are forecast to decrease this morning
  behind the cold front. However, gusty winds will continue 
  through Saturday and into Saturday evening. Winds will subside 
  by Sunday.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

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.

&&

$$
137 
WWUS76 KMTR 021553
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
753 AM PST Sat Feb 2 2019

CAZ006-505>513-516>518-528>530-021700-
/O.CAN.KMTR.HW.W.0002.000000T0000Z-190202T1800Z/
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-
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, 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, Greenfield, King City, Salinas, Santa Cruz,
Watsonville, Live Oak, Seaside, Monterey, and Marina
753 AM PST Sat Feb 2 2019

...HIGH WIND WARNING IS CANCELLED...

The National Weather Service in San Francisco has cancelled the
High Wind Warning.

Observed wind speeds across the San Francisco Bay Area have 
subsided in the wake of the passing cold front. Another round of 
strong winds will be possible by mid-day and into the overnight 
hours as the low pressure center approaches the Golden Gate. 
Therefore, additional wind headlines may be warranted later for 
parts of the San Francisco Bay Area and Central California Coast.

$$

The office that day

Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 1, 12:49 PM PSTCoastal Flood AdvisoryMTRAlameda, Contra Costa, Marin, Monterey, Napa, City and County of San Francisco and 4 more23 hr
Feb 1, 1:35 PM PSTStorm WarningMTR19 hr

Nearby

High Wind Warnings in California, 2019Every high wind warning in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.