Alert archive / California / High Wind Watches in 2021

High Wind Watch 1, NWS San Francisco Bay Area, CA

January 15, 2021

NWS San Francisco Bay Area, CA issued this high wind watch at Jan 15, 2021, 3:42 AM PST. It took effect at Jan 17, 2021, 10:00 PM PST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 15, 2021, 3:42 AM PST (11:42 UTC)
In effect from
Jan 17, 2021, 10:00 PM PST
Expired
Jan 16, 2021, 2:29 AM PST
In force
Issued by
NWS San Francisco Bay Area, CA

The text

As transmitted.

293 
WWUS76 KMTR 151142
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
342 AM PST Fri Jan 15 2021

CAZ507-511-151945-
/O.NEW.KMTR.HW.A.0001.210118T0600Z-210119T0200Z/
North Bay Mountains-East Bay Hills and the Diablo Range-
Including the cities of Angwin, Lagunitas-Forest Knolls, 
Woodacre, and Blackhawk
342 AM PST Fri Jan 15 2021

...HIGH WIND WATCH IN EFFECT FROM SUNDAY NIGHT THROUGH MONDAY 
AFTERNOON...

The National Weather Service in San Francisco has issued a High
Wind Watch, which is in effect from Sunday evening through Monday
afternoon. 

* LOCATION...The North Bay Mountains and East Bay hills,
  particularly areas above 1000 ft.

* TIMING...Starting around Sunday evening at the highest peaks
  before mixing down to the rest of the hills and mountains late
  Sunday night and through Monday.

* WINDS...Sustained winds of 15-20mph with gusts of 25-35mph
  possible across much of the North Bay Mountains and East Bay 
  Hills. Areas above 1000ft have the potential to see sustained 
  winds of 40-45mph with gusts of 50-55mph possible at the highest
  peaks.
  

* IMPACTS...High winds have the potential to topple power lines
  and trees , along with creating hazardous driving conditions. Be
  sure to plan accordingly if you plan to travel in these areas
  and to secure light property.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Watch means there is the potential for a hazardous
high wind event. Sustained winds of 40-45 mph at some of the 
higher elevations with gusts of 50-55 mph or stronger possible at
some of the highest peaks. Continue to monitor the latest 
forecasts for any updates on wind speeds.

&&

$$
3 follow-up statements
992 
WWUS76 KMTR 151935
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
1135 AM PST Fri Jan 15 2021

CAZ507-511-160745-
/O.CON.KMTR.HW.A.0001.210118T0600Z-210119T0200Z/
North Bay Mountains-East Bay Hills and the Diablo Range-
Including the cities of Angwin, Lagunitas-Forest Knolls, 
Woodacre, and Blackhawk
1135 AM PST Fri Jan 15 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH
MONDAY AFTERNOON...

* LOCATION...The North Bay Mountains and East Bay hills,
  particularly areas above 1000 ft.

* TIMING...Starting around Sunday evening at the highest peaks 
  before mixing down to the rest of the hills and mountains late 
  Sunday night and through Monday.

* WINDS...Sustained winds of 15-20 mph with gusts of 25-35 mph 
  possible across much of the North Bay Mountains and East Bay 
  Hills. Areas above 1000 ft have the potential to see sustained 
  winds of 40-45 mph with gusts of 50-55 mph possible at the 
  highest peaks.

* IMPACTS...High winds have the potential to topple power lines
  and trees along with creating hazardous driving conditions. Be
  sure to plan accordingly if you plan to travel in these areas
  and to secure light property outdoors. Have cell phones charged
  and flashlights handy if power outages occur. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Watch means there is the potential for a hazardous
high wind event. Sustained winds of 40-45 mph at some of the
higher elevations with gusts of 50-55 mph or stronger possible at
some of the highest peaks. Continue to monitor the latest
forecasts for any updates on wind speeds.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/mtr
281 
WWUS76 KMTR 160422
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
822 PM PST Fri Jan 15 2021

CAZ507-511-161300-
/O.CON.KMTR.HW.A.0001.210118T0600Z-210119T0200Z/
North Bay Mountains-East Bay Hills and the Diablo Range-
Including the cities of Angwin, Lagunitas-Forest Knolls, 
Woodacre, and Blackhawk
822 PM PST Fri Jan 15 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH
MONDAY AFTERNOON...

* WHAT...Sustained winds of 15-20 mph with gusts of 25-35 mph 
  possible across much of the North Bay Mountains and East Bay 
  Hills. Areas above 1000 ft have the potential to see sustained 
  winds of 40-45 mph with gusts of 50-55 mph possible at the 
  highest peaks.

* WHERE...The North Bay Mountains and East Bay hills, 
  particularly areas above 1000 ft.

* WHEN...Starting around Sunday evening at the highest peaks 
  before mixing down to the rest of the hills and mountains late 
  Sunday night and through Monday.

* ADDITIONAL DETAILS...High winds have the potential to topple
  power lines and trees along with creating hazardous driving
  conditions. Be sure to plan accordingly if you plan to travel in
  these areas and to secure light property outdoors. Have cell
  phones charged and flashlights handy if power outages occur.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/mtr
129 
WWUS76 KMTR 161029
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
229 AM PST Sat Jan 16 2021

CAZ507-511-162200-
/O.UPG.KMTR.HW.A.0001.210118T0600Z-210119T0200Z/
/O.NEW.KMTR.WI.Y.0001.210118T0600Z-210120T0200Z/
North Bay Mountains-East Bay Hills and the Diablo Range-
Including the cities of Angwin, Lagunitas-Forest Knolls, 
Woodacre, and Blackhawk
229 AM PST Sat Jan 16 2021

...WIND ADVISORY IN EFFECT FROM 10 PM SUNDAY TO 6 PM PST
TUESDAY...

* WHAT...Offshore wind event will produce sustained winds of 20-35
  mph possible with gusts 40 to 60 mph, locally stronger over peaks
  and along leeward slopes.
  

* WHERE...North Bay Mountains and East Bay Hills and the Diablo 
  Range.

* WHEN...From 10 PM Sunday to 6 PM PST Tuesday.

* ADDITIONAL DETAILS...High winds have the potential to topple
  power lines and trees along with creating hazardous driving
  conditions. Be sure to plan accordingly if you plan to travel in
  these areas and to secure light property outdoors. Have cell 
  phones charged and flashlights handy if power outages occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

CAZ006-505-506-508>510-512-513-529-162200-
/O.NEW.KMTR.WI.Y.0001.210118T0600Z-210120T0200Z/
San Francisco-
Coastal North Bay Including Point Reyes National Seashore-
North Bay Interior Valleys-San Francisco Bay Shoreline-
San Francisco Peninsula Coast-East Bay Interior Valleys-
Santa Cruz Mountains-Santa Clara Valley Including San Jose-
Northern Monterey Bay-
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, Concord, Antioch, Livermore, 
Walnut Creek, Pleasanton, Pittsburg, San Ramon, Scotts Valley, 
Boulder Creek, Day Valley, San Jose, Santa Cruz, Watsonville, 
and Live Oak
229 AM PST Sat Jan 16 2021

...WIND ADVISORY IN EFFECT FROM 10 PM SUNDAY TO 6 PM PST
TUESDAY...

* WHAT...Offshore wind event will produce periods of sustained
  winds 15 to 30 mph with gusts 35 to 50 mph. Strongest gusts are
  expected on the lee side of mountains as downsloping effects 
  will produce gusty conditions.

* WHERE...San Francisco Bay Area.

* WHEN...From 10 PM Sunday to 6 PM PST Tuesday.

* ADDITIONAL DETAILS...High winds have the potential to topple
  power lines and trees along with creating hazardous driving
  conditions. Be sure to plan accordingly if you plan to travel in
  these areas and to secure light property outdoors including
  temporary outdoor structures. Have cell phones charged and 
  flashlights handy if power outages occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

CAZ517-518-528-530-162200-
/O.NEW.KMTR.WI.Y.0001.210118T0600Z-210120T0200Z/
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-
Southern Monterey Bay and Big Sur Coast-
Including the cities of Salinas, Seaside, Monterey, and Marina
229 AM PST Sat Jan 16 2021

...WIND ADVISORY IN EFFECT FROM 10 PM SUNDAY TO 6 PM PST
TUESDAY...

* WHAT...Offshore wind event will produce winds 15 to 30 mph with
  gusts 35 to 50 mph expected. Locally higher gusts are possible 
  over highest peaks and on the lee side of mountains as 
  downsloping effects will produce gusty conditions.

* WHERE...Central California Coast including: Santa Lucia
  Mountains and Los Padres National Forest, Mountains Of San
  Benito County and Interior Monterey County, Pinnacles National 
  Park, Northern Salinas Valley/Hollister Valley and Carmel Valley
  and Southern Monterey Bay and Big Sur Coast.

* WHEN...From 10 PM Sunday to 6 PM PST Tuesday.

* ADDITIONAL DETAILS...High winds have the potential to topple
  power lines and trees along with creating hazardous driving
  conditions. Be sure to plan accordingly if you travel in these 
  areas and to secure light property outdoors including temporary 
  outdoor structures. Have cell phones charged and flashlights 
  handy if power outages occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

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.

IssuedProductOfficeCountiesLasted
Jan 14, 8:04 PM PSTBeach Hazards StatementMTRSanta Cruz47 hr
Jan 14, 8:04 PM PSTHigh Surf AdvisoryMTRMarin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma47 hr

Nearby

High Wind Watches in California, 2021Every high wind watch 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.