High Wind Watch 7, NWS Denver/Boulder, CO

Issued

Dec 10, 2021, 4:05 AM MST (11:05 UTC)

In effect from

Dec 11, 2021, 5:00 AM MST

Expired

Dec 10, 2021, 1:56 PM MST

In force

Issued by

NWS Denver/Boulder, CO

Counties Boulder County, CO, Clear Creek County, CO, Douglas County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Jefferson County, CO, Larimer County, CO, Park County, CO, Summit County, CO

The Denver radar (KFTG), 94 km from the middle of the area, began a volume at 11:10 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.

787 
WWUS75 KBOU 101105
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver CO
405 AM MST Fri Dec 10 2021

COZ033>036-102315-
/O.NEW.KBOU.HW.A.0007.211211T1200Z-211212T0000Z/
South and East Jackson/Larimer/North and Northeast
Grand/Northwest Boulder Counties Above 9000 Feet-South and
Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear
Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer
and Boulder Counties Between 6000 and 9000 Feet-Jefferson and
West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Including the cities of Winter Park, Westcreek, Rocky Mountain
National Park, Central City, Red Feather Lakes, Breckenridge,
Bailey, Williams Fork Mountains, Evergreen, Georgetown,
Glendevey, Indian Peaks, Nederland, Eisenhower Tunnel, East
Slopes Southern Gore Range, Mount Evans, Cameron Pass, East
Slopes Mosquito Range, Berthoud Pass, Kenosha Mountains, Estes
Park, Willow Creek Pass, Laramie and Medicine Bow Mountains,
Idaho Springs, and Rabbit Ears Range
405 AM MST Fri Dec 10 2021

...HIGH WIND WATCH IN EFFECT ON SATURDAY...

* WHAT...West winds 25 to 45 mph with gusts up to 70 mph possible.

* WHERE...Jefferson and West Douglas Counties Above 6000 
  Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet, 
  South and Southeast Grand/West Central and Southwest 
  Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties 
  Above 9000 Feet, Larimer and Boulder Counties Between 6000 and 
  9000 Feet and South and East Jackson/Larimer/North and Northeast 
  Grand/Northwest Boulder Counties Above 9000 Feet Counties.

* WHEN...On Saturday.

* IMPACTS...Damaging winds could blow down trees and power lines. 
  Widespread power outages are possible. Travel could be difficult, 
  especially for high profile vehicles. Gusty winds will blow around 
  unsecured objects and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates.

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

&&

$$

For more information from the National Weather Service, visit 
https://weather.gov/bou

RJK

146 
WWUS75 KBOU 102056
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver CO
156 PM MST Fri Dec 10 2021

COZ033>036-111145-
/O.UPG.KBOU.HW.A.0007.211211T1200Z-211212T0000Z/
/O.NEW.KBOU.HW.W.0009.211211T0700Z-211212T1900Z/
South and East Jackson/Larimer/North and Northeast
Grand/Northwest Boulder Counties Above 9000 Feet-South and
Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear
Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer
and Boulder Counties Between 6000 and 9000 Feet-Jefferson and
West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Including the cities of Winter Park, Westcreek, Rocky Mountain
National Park, Central City, Red Feather Lakes, Breckenridge,
Bailey, Williams Fork Mountains, Evergreen, Georgetown,
Glendevey, Indian Peaks, Nederland, Eisenhower Tunnel, East
Slopes Southern Gore Range, Mount Evans, Cameron Pass, East
Slopes Mosquito Range, Berthoud Pass, Kenosha Mountains, Estes
Park, Willow Creek Pass, Laramie and Medicine Bow Mountains,
Idaho Springs, and Rabbit Ears Range
156 PM MST Fri Dec 10 2021

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST 
SUNDAY...

* WHAT...West winds 35 to 45 mph with gusts up to 80 mph expected.

* WHERE...Jefferson and West Douglas Counties Above 6000 
  Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet, 
  South and Southeast Grand/West Central and Southwest 
  Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties 
  Above 9000 Feet, Larimer and Boulder Counties Between 6000 and 
  9000 Feet and South and East Jackson/Larimer/North and Northeast 
  Grand/Northwest Boulder Counties Above 9000 Feet Counties.

* WHEN...From Midnight tonight to Noon MST 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. Expect considerable blowing 
  and drifting snow over the high mountain passes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain in the lower levels of your home during the windstorm, and 
avoid windows. Watch for falling debris and tree limbs. Use caution 
if you must drive.

&&

$$

For more information from the National Weather Service, visit 
https://weather.gov/bou

Entrekin

High Wind Watches in Colorado, 2021Every high wind watch in 2021

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.