Alert archive / Colorado / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 28, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at May 14, 2025, 6:43 PM MDT for Logan County, Phillips County, Sedgwick County, Colorado. It was in force for 47 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, 6:43 PM MDT (00:43 UTC)
- Expired
- May 14, 2025, 7:30 PM MDT
- In force
- 47 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
The radar
The Goodland radar (KGLD), 170 km from the middle of the area, began a volume at 00:43 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 |
The nearest sounding before it
Rapid City, SD (KUNR), launched 00:00Z, 0.7 hours before the alert went out and 372 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
- 1232 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- -154 m²/s²
- 0-3 km storm-relative helicity
- -32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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, 1 hour 27 minutes earlier.
Area forecast discussion, May 14, 5:16 PM MDT, 1 hour 27 minutes before
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</html>Hazardous weather outlook, May 14, 11:07 AM MDT, 7 hours 36 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, 3:26 PM MDT, 3 hours 17 minutes before
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</html>Special weather statement, May 14, 3:40 PM MDT, 3 hours 3 minutes before
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</html>Local storm report, May 14, 3:50 PM MDT, 2 hours 53 minutes before
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</html>Special weather statement, May 14, 4:28 PM MDT, 2 hours 15 minutes before
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</html>Local storm report, May 14, 5:27 PM MDT, 1 hour 16 minutes before
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</html>Local storm report, May 14, 6:14 PM MDT, 29 minutes before
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</html>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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.