Alert archive / Colorado / High Wind Watches in 2025
High Wind Watch 8, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this high wind watch at Dec 17, 2025, 1:35 AM MST for Phillips County, Sedgwick County, Colorado. It took effect at Dec 18, 2025, 5:00 AM MST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Dec 17, 2025, 1:35 AM MST (08:35 UTC)
- In effect from
- Dec 18, 2025, 5:00 AM MST
- Expired
- Dec 17, 2025, 2:26 PM MST
- In force
- Issued by
- NWS Denver/Boulder, CO
Counties Phillips County, CO, Sedgwick County, CO
The radar
The Goodland radar (KGLD), 162 km from the middle of the area, began a volume at 08:36 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
Dodge City, (KDDC), launched 00:00Z, 8.6 hours before the alert went out and 392 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
- 3862 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- -26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this high wind watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Denver/Boulder, CO wrote its last area forecast discussion before this high wind watch went out at Dec 16, 10:39 PM MST, 2 hours 56 minutes earlier.
Area forecast discussion, Dec 16, 10:39 PM MST, 2 hours 56 minutes before
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</html>Hazardous weather outlook, Dec 16, 10:58 AM MST, 14 hours 37 minutes before
Hazardous Weather Outlook National Weather Service Denver/Boulder CO 1058 AM MST Tue Dec 16 2025 COZ030>051-171800- Jackson County Below 9000 Feet- West Jackson and West Grand Counties Above 9000 Feet- Grand and Summit Counties Below 9000 Feet- 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- Central and Southeast Park County- Larimer County Below 6000 Feet/Northwest Weld County- Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County- Elbert/Central and East Douglas Counties Above 6000 Feet- Northeast Weld County-Central and South Weld County-Morgan County- Central and East Adams and Arapahoe Counties- North and Northeast Elbert County Below 6000 Feet/North Lincoln County- Southeast Elbert County Below 6000 Feet/South Lincoln County- Logan County-Washington County-Sedgwick County-Phillips County- 1058 AM MST Tue Dec 16 2025 This hazardous weather outlook is for northeast and north central Colorado. .DAY ONE...Today and Tonight Breezy winds and marginal relative humidity values will create elevated fire weather concerns through late afternoon for the foothills and adjacent plains. .DAYS TWO THROUGH SEVEN...Wednesday through Monday A long period of strong winds and elevated to critical fire weather conditions are expected across the Front Range Mountains, foothills, and adjacent plains Wednesday through Friday. Snow will return to the mountains Wednesday and Saturday, creating slick roads. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed.
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 17, 2:26 PM MST | High Wind Watch | BOU | Boulder, Broomfield, Clear Creek, Douglas, Gilpin, Grand and 6 more | 51 hr |
| Dec 17, 3:24 PM MST | Fire Weather Watch | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 8 more | 35 hr |
Nearby
High Wind Watches in Colorado, 2025Every high wind watch in 2025
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.