Alert archive / Colorado / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 249, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jul 9, 2026, 6:41 PM MDT for Phillips County, Sedgwick County, Colorado. It was in force for 49 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
- Jul 9, 2026, 6:41 PM MDT (00:41 UTC)
- Expired
- Jul 9, 2026, 7:30 PM MDT
- In force
- 49 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
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 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 |
|---|---|---|---|
| Jul 9, 3:42 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Dodge City, (KDDC), launched 00:00Z, 0.7 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
- 1516 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 2067 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 225 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.7
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 6:03 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips, Sedgwick | 42 min |
| Jul 9, 6:07 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 38 min |
| Jul 10, 3:25 PM MDT | Special Weather Statement | BOU | Elbert | 35 min |
| Jul 10, 3:32 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 28 min |
| Jul 10, 3:57 PM MDT | Special Weather Statement | BOU | Lincoln | 48 min |
| Jul 10, 3:59 PM MDT | Special Weather Statement | BOU | Elbert | 31 min |
| Jul 10, 4:25 PM MDT | Special Weather Statement | BOU | Lincoln | 35 min |
| Jul 10, 4:53 PM MDT | Special Weather Statement | BOU | Lincoln | 52 min |
| Jul 10, 5:13 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 32 min |
| Jul 10, 5:28 PM MDT | Special Weather Statement | BOU | Denver | 32 min |
| Jul 10, 5:36 PM MDT | Special Weather Statement | BOU | Lincoln | 39 min |
| Jul 10, 5:45 PM MDT | Special Weather Statement | BOU | Denver | 30 min |
| Jul 10, 5:52 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 38 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 2026Every severe thunderstorm warning in 2026
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.