Alert archive / Texas / Flash Flood Warnings in 2025
Flash Flood Warning 138, NWS Fort Worth, TX
NWS Fort Worth, TX issued this flash flood warning at Nov 20, 2025, 11:45 AM CST for Collin County, Dallas County, Texas. It was in force for 86 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
- Nov 20, 2025, 11:45 AM CST (17:45 UTC)
- Expired
- Nov 20, 2025, 1:11 PM CST
- In force
- 86 min
- Issued by
- NWS Fort Worth, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Collin County, TX, Dallas County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 74 km from the middle of the area, began a volume at 17:49 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
Fort Worth, TX (KFWD), launched 12:00Z, 5.8 hours before the alert went out and 60 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
- 295 J/kg
- Mixed-layer CIN
- -174 J/kg
- Mixed-layer LCL
- 778 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 150 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 20, 12:13 AM CST | Special Weather Statement | FWD | Montague | 62 min |
| Nov 20, 1:09 AM CST | Special Weather Statement | FWD | Cooke | 36 min |
| Nov 20, 1:41 AM CST | Special Weather Statement | FWD | Comanche | 34 min |
| Nov 20, 1:44 AM CST | Special Weather Statement | FWD | Parker | 31 min |
| Nov 20, 2:28 AM CST | Special Weather Statement | FWD | Parker | 32 min |
| Nov 20, 2:54 AM CST | Special Weather Statement | FWD | Hood | 36 min |
| Nov 20, 3:03 AM CST | Special Weather Statement | FWD | Delta | 27 min |
| Nov 20, 3:30 AM CST | Special Weather Statement | FWD | Dallas, Johnson, Tarrant | 60 min |
| Nov 20, 3:43 AM CST | Flash Flood Warning | FWD | Collin, Dallas, Denton, Tarrant | 4 hr |
| Nov 20, 4:27 AM CST | River Flood Warning | FWD | Dallas | 9 hr |
| Nov 20, 5:06 AM CST | Areal Flood Advisory | FWD | Dallas | 3 hr |
| Nov 20, 5:21 AM CST | Flash Flood Warning | FWD | Collin, Hunt, Rockwall | 3 hr |
| Nov 20, 10:34 AM CST | Flash Flood Warning | FWD | Denton, Tarrant | 3 hr |
| Nov 20, 11:01 AM CST | Special Weather Statement | FWD | Mills | 29 min |
| Nov 20, 1:23 PM CST | Special Weather Statement | FWD | Comanche | 37 min |
| Nov 20, 1:25 PM CST | River Flood Warning | FWD | Dallas | 33 hr |
| Nov 20, 2:18 PM CST | Special Weather Statement | FWD | Erath | 27 min |
| Nov 20, 2:44 PM CST | Special Weather Statement | FWD | Somervell | 46 min |
| Nov 20, 3:48 PM CST | Special Weather Statement | FWD | McLennan | 42 min |
| Nov 20, 3:51 PM CST | Severe Thunderstorm Warning | FWD | Bell, Coryell | 54 min |
| Nov 20, 4:25 PM CST | Special Weather Statement | FWD | McLennan | 35 min |
| Nov 20, 4:32 PM CST | Severe Thunderstorm Warning | FWD | Falls, Limestone, McLennan | 58 min |
| Nov 20, 5:07 PM CST | Special Weather Statement | FWD | Ellis | 38 min |
| Nov 20, 5:26 PM CST | Special Weather Statement | FWD | Milam | 34 min |
| Nov 20, 5:38 PM CST | Special Weather Statement | FWD | Ellis | 52 min |
| Nov 20, 5:44 PM CST | Special Weather Statement | FWD | Limestone | 46 min |
| Nov 20, 5:59 PM CST | Severe Thunderstorm Warning | FWD | Freestone, Limestone | 32 min |
Nearby
Flash Flood Warnings in Texas, 2025Every flash flood 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.