Alert archive / California / Wind Advisories in 2019

Wind Advisory 9, NWS San Francisco Bay Area, CA

February 24, 20198 counties in California

NWS San Francisco Bay Area, CA issued this wind advisory at Feb 24, 2019, 9:19 PM PST for 8 counties in California. It took effect at Feb 25, 2019, 12:00 PM PST. It was in force for 42 hr.

The area

The counties it named.

The facts

Issued
Feb 24, 2019, 9:19 PM PST (05:19 UTC)
In effect from
Feb 25, 2019, 12:00 PM PST
Expired
Feb 27, 2019, 6:00 AM PST
In force
42 hr
Issued by
NWS San Francisco Bay Area, CA

Counties City and County of San Francisco, CA, Marin County, CA, Monterey 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), 28 km from the middle of the area, began a volume at 05:23 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, 5.3 hours before the alert went out and 43 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 00:00Z on 2019-02-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2019-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1005 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
130 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

434 
WWUS76 KMTR 250519
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
919 PM PST Sun Feb 24 2019

CAZ006-505-507-509-511-512-517-529-530-251800-
/O.NEW.KMTR.WI.Y.0009.190225T2000Z-190226T1000Z/
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-
Santa Lucia Mountains and Los Padres National Forest-
Northern Monterey Bay-Southern Monterey Bay and Big Sur Coast-
Including the cities of San Francisco, Tamalpais-Homestead, 
Sausalito, Angwin, Lagunitas-Forest Knolls, Woodacre, Pacifica, 
Blackhawk, Scotts Valley, Boulder Creek, Day Valley, Santa Cruz, 
Watsonville, Live Oak, Seaside, Monterey, and Marina
919 PM PST Sun Feb 24 2019

...WIND ADVISORY IN EFFECT FROM NOON MONDAY TO 2 AM PST TUESDAY...

The National Weather Service in San Francisco has issued a Wind
Advisory, which is in effect from noon Monday to 2 AM PST
Tuesday.

* WINDS...South 25 to 35 mph with gusts up to 50 mph.

* TIMING...Noon Monday through 2 am Tuesday.

* LOCATION: The coast and hills above 1000 feet.

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

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.

&&

$$
7 follow-up statements
546 
WWUS76 KMTR 251029
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
229 AM PST Mon Feb 25 2019

CAZ006-505-507-509-511-512-517-529-530-252200-
/O.CON.KMTR.WI.Y.0009.190225T2000Z-190226T1000Z/
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-
Santa Lucia Mountains and Los Padres National Forest-
Northern Monterey Bay-Southern Monterey Bay and Big Sur Coast-
Including the cities of San Francisco, Tamalpais-Homestead, 
Sausalito, Angwin, Lagunitas-Forest Knolls, Woodacre, Pacifica, 
Blackhawk, Scotts Valley, Boulder Creek, Day Valley, Santa Cruz, 
Watsonville, Live Oak, Seaside, Monterey, and Marina
229 AM PST Mon Feb 25 2019

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 2 AM PST
TUESDAY...

* WINDS...South 20 to 30 mph with gusts up to 50 mph.

* TIMING...Noon Monday through 2 am Tuesday.

* LOCATION: The coast and hills above 1000 feet.

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

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.

&&

$$
894 
WWUS76 KMTR 252154
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
154 PM PST Mon Feb 25 2019

CAZ006-505-507-509-511-512-517-529-530-260600-
/O.EXT.KMTR.WI.Y.0009.000000T0000Z-190227T1100Z/
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-
Santa Lucia Mountains and Los Padres National Forest-
Northern Monterey Bay-Southern Monterey Bay and Big Sur Coast-
Including the cities of San Francisco, Tamalpais-Homestead, 
Sausalito, Angwin, Lagunitas-Forest Knolls, Woodacre, Pacifica, 
Blackhawk, Scotts Valley, Boulder Creek, Day Valley, Santa Cruz, 
Watsonville, Live Oak, Seaside, Monterey, and Marina
154 PM PST Mon Feb 25 2019

...WIND ADVISORY NOW IN EFFECT UNTIL 3 AM PST WEDNESDAY...

* WINDS...South 25 to 35 mph with gusts up to 50 mph.

* TIMING...Through 3 am Wednesday.

* LOCATION: The coast and hills above 1000 feet.

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

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.

&&

$$
158 
WWUS76 KMTR 260534
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
934 PM PST Mon Feb 25 2019

CAZ006-505-507-509-511-512-517-529-530-261800-
/O.CON.KMTR.WI.Y.0009.000000T0000Z-190227T1100Z/
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-
Santa Lucia Mountains and Los Padres National Forest-
Northern Monterey Bay-Southern Monterey Bay and Big Sur Coast-
Including the cities of San Francisco, Tamalpais-Homestead, 
Sausalito, Angwin, Lagunitas-Forest Knolls, Woodacre, Pacifica, 
Blackhawk, Scotts Valley, Boulder Creek, Day Valley, Santa Cruz, 
Watsonville, Live Oak, Seaside, Monterey, and Marina
934 PM PST Mon Feb 25 2019

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST WEDNESDAY...

* WINDS...South 25 to 35 mph with gusts up to 50 mph.

* TIMING...Through 3 am Wednesday. Strongest winds expected from
  late Tuesday afternoon through the early morning hours of
  Wednesday. 

* LOCATION: Coastal areas and the hills above 1000 feet.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can topple trees and bring down power lines. Also,
driving can be hazardous, especially for high profile vehicles.

&&

$$
328 
WWUS76 KMTR 261752
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
952 AM PST Tue Feb 26 2019

CAZ006-505-507-509-511-512-517-529-530-270500-
/O.CON.KMTR.WI.Y.0009.000000T0000Z-190227T1100Z/
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-
Santa Lucia Mountains and Los Padres National Forest-
Northern Monterey Bay-Southern Monterey Bay and Big Sur Coast-
Including the cities of San Francisco, Tamalpais-Homestead, 
Sausalito, Angwin, Lagunitas-Forest Knolls, Woodacre, Pacifica, 
Blackhawk, Scotts Valley, Boulder Creek, Day Valley, Santa Cruz, 
Watsonville, Live Oak, Seaside, Monterey, and Marina
952 AM PST Tue Feb 26 2019

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST WEDNESDAY...

* WINDS...South 25 to 35 mph with gusts up to 55 mph. Locally up
  to 65 mph over the highest peaks.

* TIMING...Through 3 am Wednesday. Strongest winds expected from 
  late Tuesday afternoon through the early morning hours of 
  Wednesday.

* LOCATION: Coastal areas and the hills above 1000 feet.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can topple trees and bring down power lines. Also,
driving can be hazardous, especially for high profile vehicles.

&&

$$
056 
WWUS76 KMTR 262110
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
110 PM PST Tue Feb 26 2019

CAZ518-270515-
/O.EXA.KMTR.WI.Y.0009.000000T0000Z-190227T1100Z/
Mountains Of San Benito County And Interior Monterey County
Including Pinnacles National Park-
110 PM PST Tue Feb 26 2019

...WIND ADVISORY IN EFFECT UNTIL 3 AM PST WEDNESDAY...

The National Weather Service in San Francisco has issued a Wind
Advisory, which is in effect until 3 AM PST Wednesday.

* WINDS...South 25 to 35 mph with gusts up to 55 mph.

* TIMING...Through 3 am Wednesday. Strongest winds expected from
  this evening through late tonight.

* LOCATION: The hills above 1000 feet.

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

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.

&&

$$

CAZ006-505-507-509-511-512-517-529-530-270515-
/O.CON.KMTR.WI.Y.0009.000000T0000Z-190227T1100Z/
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-
Santa Lucia Mountains and Los Padres National Forest-
Northern Monterey Bay-Southern Monterey Bay and Big Sur Coast-
Including the cities of San Francisco, Tamalpais-Homestead, 
Sausalito, Angwin, Lagunitas-Forest Knolls, Woodacre, Pacifica, 
Blackhawk, Scotts Valley, Boulder Creek, Day Valley, Santa Cruz, 
Watsonville, Live Oak, Seaside, Monterey, and Marina
110 PM PST Tue Feb 26 2019

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST WEDNESDAY...

* WINDS...South 25 to 35 mph with gusts up to 55 mph.

* TIMING...Through 3 am Wednesday. Strongest winds expected from
  late this afternoon through late tonight.

* LOCATION: Coastal areas and the hills above 1000 feet.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can topple trees and bring down power lines. Also,
driving can be hazardous, especially for high profile vehicles.

&&

$$
950 
WWUS76 KMTR 271053
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
253 AM PST Wed Feb 27 2019

CAZ006-505-507-509-511-512-517-518-529-530-271400-
/O.EXT.KMTR.WI.Y.0009.000000T0000Z-190227T1400Z/
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-
Santa Lucia Mountains and Los Padres National Forest-
Mountains Of San Benito County And Interior Monterey County
Including Pinnacles National Park-Northern Monterey Bay-
Southern Monterey Bay and Big Sur Coast-
Including the cities of San Francisco, Tamalpais-Homestead, 
Sausalito, Angwin, Lagunitas-Forest Knolls, Woodacre, Pacifica, 
Blackhawk, Scotts Valley, Boulder Creek, Day Valley, Santa Cruz, 
Watsonville, Live Oak, Seaside, Monterey, and Marina
253 AM PST Wed Feb 27 2019

...WIND ADVISORY NOW IN EFFECT UNTIL 6 AM PST EARLY THIS
MORNING...

* WINDS...South 25 to 35 mph with gusts up to 55 mph.

* TIMING...Extended through 6 am Wednesday. Winds will remain
  gusty until early Wednesday morning. 

* LOCATION: Coastal areas and the hills above 1000 feet.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can topple trees and bring down power lines. Also,
driving can be hazardous, especially for high profile vehicles.

&&

$$
262 
WWUS76 KMTR 271348
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
548 AM PST Wed Feb 27 2019

CAZ006-505-507-509-511-512-517-518-529-530-271500-
/O.EXP.KMTR.WI.Y.0009.000000T0000Z-190227T1400Z/
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-
Santa Lucia Mountains and Los Padres National Forest-
Mountains Of San Benito County And Interior Monterey County
Including Pinnacles National Park-Northern Monterey Bay-
Southern Monterey Bay and Big Sur Coast-
Including the cities of San Francisco, Tamalpais-Homestead, 
Sausalito, Angwin, Lagunitas-Forest Knolls, Woodacre, Pacifica, 
Blackhawk, Scotts Valley, Boulder Creek, Day Valley, Santa Cruz, 
Watsonville, Live Oak, Seaside, Monterey, and Marina
548 AM PST Wed Feb 27 2019

...WIND ADVISORY WILL EXPIRE AT 6 AM PST EARLY THIS MORNING...

Wind speeds have diminished across the region and no longer meet
criteria. Occasionally gusty winds in the higher terrain will be
possible this morning but continue to decrease. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 7:45 PM PSTGale WarningMTR55 hr

Nearby

Wind Advisories in California, 2019Every wind advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.