Alert archive / Colorado / Flood Watches in 2025
Flood Watch 2, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this flood watch at Jul 29, 2025, 10:13 AM MDT for 4 counties in Colorado. It took effect at Jul 29, 2025, 1:00 PM MDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Jul 29, 2025, 10:13 AM MDT (16:13 UTC)
- In effect from
- Jul 29, 2025, 1:00 PM MDT
- Expired
- Jul 29, 2025, 7:59 PM MDT
- In force
- 7 hr
- Issued by
- NWS Denver/Boulder, CO
- Flood severity
- None
Counties Arapahoe County, CO, Douglas County, CO, Elbert County, CO, Lincoln County, CO
The radar
The Denver radar (KFTG), 59 km from the middle of the area, began a volume at 16:16 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 12:00Z, 4.2 hours before the alert went out and 414 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
- 121 J/kg
- Mixed-layer CIN
- -251 J/kg
- Mixed-layer LCL
- 2095 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -31 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.2
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 1:26 PM MDT | Special Weather Statement | BOU | Lincoln | 49 min |
| Jul 29, 2:33 PM MDT | Special Weather Statement | BOU | Lincoln | 42 min |
| Jul 29, 2:55 PM MDT | Special Weather Statement | BOU | Clear Creek | 35 min |
| Jul 29, 3:02 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 43 min |
| Jul 29, 3:17 PM MDT | Special Weather Statement | BOU | Clear Creek | 43 min |
| Jul 29, 3:40 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 35 min |
| Jul 29, 4:12 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 33 min |
| Jul 29, 4:21 PM MDT | Special Weather Statement | BOU | Crowley | 39 min |
| Jul 29, 5:11 PM MDT | Special Weather Statement | BOU | Phillips | 34 min |
| Jul 29, 5:26 PM MDT | Severe Thunderstorm Warning | BOU | Phillips | 34 min |
Nearby
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.