Alert archive / Colorado / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 334, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Aug 18, 2025, 3:10 PM MDT for Adams County, Arapahoe County, Colorado. It was in force for 24 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
- Aug 18, 2025, 3:10 PM MDT (21:10 UTC)
- Expired
- Aug 18, 2025, 3:34 PM MDT
- In force
- 24 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Adams County, CO, Arapahoe County, CO
The radar
The Denver radar (KFTG), 18 km from the middle of the area, began a volume at 21:11 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.
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 Aug 17, 3:22 PM MDT, 23 hours 48 minutes earlier.
Area forecast discussion, Aug 17, 3:22 PM MDT, 23 hours 48 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 |
|---|---|---|---|---|
| Aug 18, 1:04 PM MDT | Special Weather Statement | BOU | Washington | 26 min |
| Aug 18, 1:46 PM MDT | Special Weather Statement | BOU | Douglas | 29 min |
| Aug 18, 1:59 PM MDT | Special Weather Statement | BOU | Elbert | 46 min |
| Aug 18, 2:09 PM MDT | Areal Flood Advisory | BOU | Elbert | 3 hr |
| Aug 18, 2:16 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 29 min |
| Aug 18, 2:21 PM MDT | Special Weather Statement | BOU | Arapahoe | 24 min |
| Aug 18, 2:42 PM MDT | Special Weather Statement | BOU | Lincoln | 33 min |
| Aug 18, 2:50 PM MDT | Areal Flood Advisory | BOU | Elbert, Lincoln | 3 hr |
| Aug 18, 2:53 PM MDT | Special Weather Statement | BOU | Adams | 37 min |
| Aug 18, 3:02 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 28 min |
| Aug 18, 3:22 PM MDT | Special Weather Statement | BOU | Lincoln | 38 min |
| Aug 18, 3:26 PM MDT | Special Weather Statement | BOU | Lincoln | 49 min |
| Aug 18, 3:34 PM MDT | Special Weather Statement | BOU | Morgan | 41 min |
| Aug 18, 3:38 PM MDT | Areal Flood Advisory | BOU | Elbert, Lincoln, Washington | 3 hr |
| Aug 18, 3:50 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 40 min |
| Aug 18, 3:54 PM MDT | Special Weather Statement | BOU | Morgan | 36 min |
| Aug 18, 4:02 PM MDT | Special Weather Statement | BOU | Lincoln | 58 min |
| Aug 18, 4:24 PM MDT | Special Weather Statement | BOU | Washington | 51 min |
| Aug 18, 4:37 PM MDT | Special Weather Statement | BOU | Morgan | 38 min |
| Aug 18, 5:05 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Washington | 40 min |
| Aug 18, 5:27 PM MDT | Special Weather Statement | BOU | Logan | 48 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.