Alert archive / Colorado / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 26, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at May 14, 2025, 5:22 PM MDT for 4 counties in Colorado. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 14, 2025, 5:22 PM MDT (23:22 UTC)
- Expired
- May 14, 2025, 6:00 PM MDT
- In force
- 38 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 1.0 in
- Wind
- 70.0 mph
Counties Logan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO
The radar
The Goodland radar (KGLD), 159 km from the middle of the area, began a volume at 23:24 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 14, 4:33 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at May 14, 5:16 PM MDT, 6 minutes earlier.
Area forecast discussion, May 14, 5:16 PM MDT, 6 minutes before
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</html>Hazardous weather outlook, May 14, 11:07 AM MDT, 6 hours 15 minutes before
Hazardous Weather Outlook National Weather Service Denver/Boulder CO 1107 AM MDT Wed May 14 2025 COZ030>051-151715- 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- 1107 AM MDT Wed May 14 2025 This hazardous weather outlook is for northeast and north central Colorado. .DAY ONE...This Afternoon and Tonight A few severe thunderstorms will be possible this afternoon and evening over portions of the northeast plains. Damaging winds up to 65 mph will be the main threat from the thunderstorms. The threat is mainly in areas north and east of Fort Morgan to the northeast corner of Colorado between 4 PM and 8 PM. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Strong winds are expected over the ridges and east slopes of the Front Range early Thursday, with gusts up to 60 mph in wind prone areas. There will be a slight chance of showers and thunderstorms Thursday through Saturday, mainly in the afternoons over the mountains. An increase in thunderstorm activity is expected for Sunday and Monday. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today or tonight but reports of strong winds would be appreciated. Gimmestad
In the hours before
Special weather statement, May 14, 2:55 PM MDT, 2 hours 27 minutes before
Special Weather Statement
National Weather Service Denver CO
255 PM MDT Wed May 14 2025
COZ035-038-042-043-142145-
Northeast Weld County CO-Larimer County Below 6000 Feet/Northwest
Weld County CO-Larimer and Boulder Counties Between 6000 and
9000 Feet CO-Central and South Weld County CO-
255 PM MDT Wed May 14 2025
...A LINE OF SHOWERS WILL IMPACT NORTHWESTERN WELD AND EASTERN
LARIMER COUNTIES UNTIL 345 PM MDT...
At 255 PM MDT, Doppler radar was tracking a line of showers
extending from 7 miles northeast of Rockport to near Carter Lake, or
extending from 34 miles northeast of Fort Collins to 21 miles
southwest of Fort Collins, moving east at 20 mph.
HAZARD...Wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down small tree branches and blow
around unsecured objects.
Locations impacted include...
Fort Collins, Greeley, Loveland, Windsor, Evans, Johnstown,
Wellington, Milliken, Berthoud, Eaton, Mead, Severance, LaSalle,
Ault, Gilcrest, Pierce, Timnath, Nunn, Grover and Carr.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the weather situation closely and be alert for threatening
weather conditions.
&&
LAT...LON 4027 10532 4055 10529 4100 10523 4100 10410
4046 10459 4027 10469
TIME...MOT...LOC 2054Z 299DEG 18KT 4097 10471 4052 10506 4027 10523
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
BarjenbruchSpecial weather statement, May 14, 3:00 PM MDT, 2 hours 22 minutes before
Special Weather Statement
National Weather Service Denver CO
300 PM MDT Wed May 14 2025
COZ036-039-040-043-142145-
North Douglas County Below 6000 Feet/Denver/West Adams and
Arapahoe Counties/East Broomfield County CO-Boulder And Jefferson
Counties Below 6000 Feet/West Broomfield County CO-Jefferson and
West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet CO-Central and
South Weld County CO-
300 PM MDT Wed May 14 2025
...A LINE OF STRONG THUNDERSTORMS WILL IMPACT DENVER...EAST CENTRAL
CLEAR CREEK...NORTHERN JEFFERSON...WESTERN ARAPAHOE...SOUTHWESTERN
WELD...WESTERN ADAMS...BROOMFIELD AND SOUTHEASTERN BOULDER COUNTIES
UNTIL 345 PM MDT...
At 300 PM MDT, Doppler radar was tracking a line of strong
thunderstorms extending from 6 miles north of Longmont to over
Kittredge, or extending from 21 miles south of Fort Collins to 18
miles west of Denver, moving east at 25 mph.
HAZARD...Wind gusts up to 50 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree branches and blow around
unsecured objects. Minor damage to outdoor objects is possible.
Locations impacted include...
Denver, Aurora, Lakewood, Thornton, Arvada, Westminster,
Centennial, Boulder, Longmont, Broomfield, Commerce City,
northeastern Littleton, Northglenn, Brighton, Englewood, Wheat
Ridge, Lafayette, Golden, Louisville and Erie.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare for sudden gusty winds. Secure loose objects and move to a
safe shelter inside a building or vehicle.
&&
LAT...LON 3961 10545 3966 10542 3966 10540 3968 10541
3991 10528 3991 10522 3993 10527 4014 10530
4013 10529 4019 10526 4019 10531 4021 10532
4022 10529 4024 10532 4026 10531 4027 10463
3961 10468 3961 10473 3958 10474
TIME...MOT...LOC 2059Z 280DEG 23KT 4026 10515 3993 10513 3966 10528
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH
BarjenbruchSpecial weather statement, May 14, 3:26 PM MDT, 1 hour 56 minutes before
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</html>The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 14, 2:55 PM MDT | Special Weather Statement | BOU | Weld | 50 min |
| May 14, 3:00 PM MDT | Special Weather Statement | BOU | Broomfield, Denver | 45 min |
| May 14, 3:26 PM MDT | Special Weather Statement | BOU | Weld | 49 min |
| May 14, 3:40 PM MDT | Special Weather Statement | BOU | Broomfield, Denver | 50 min |
| May 14, 3:53 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Weld | 23 min |
| May 14, 4:02 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 43 min |
| May 14, 4:14 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Denver, Morgan, Weld | 46 min |
| May 14, 4:28 PM MDT | Special Weather Statement | BOU | Arapahoe | 47 min |
| May 14, 4:45 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Morgan, Washington, Weld | 45 min |
| May 14, 5:58 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln, Logan, Phillips, Sedgwick, Washington | 47 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 2025Every severe thunderstorm warning 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; radar from the NEXRAD Level II archive.