Alert archive / Alabama / Flash Flood Warnings in 2025
Flash Flood Warning 17, NWS Huntsville, AL
NWS Huntsville, AL issued this flash flood warning at Apr 23, 2025, 7:23 PM CDT for Colbert County, Lauderdale County, Lawrence County, Alabama. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 23, 2025, 7:23 PM CDT (00:23 UTC)
- Expired
- Apr 23, 2025, 9:45 PM CDT
- In force
- 2 hr
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Colbert County, AL, Lauderdale County, AL, Lawrence County, AL
The radar
The Columbus AFB radar (KGWX), 113 km from the middle of the area, began a volume at 00:27 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
Little Rock, AR (KLZK), launched 00:00Z, 0.4 hours before the alert went out and 216 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
- 704 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1073 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Huntsville, AL wrote its last area forecast discussion before this flash flood warning went out at Apr 23, 6:03 PM CDT, 1 hour 20 minutes earlier.
Area forecast discussion, Apr 23, 6:03 PM CDT, 1 hour 20 minutes before
Area Forecast Discussion National Weather Service Huntsville AL 603 PM CDT Wed Apr 23 2025 ...New LONG TERM... .NEAR TERM... (Rest of Today and Tonight) Issued at 1018 AM CDT Wed Apr 23 2025 Satellite imagery shows anvil debris slowly moving in from the west in association with some morning convection that occurred over Texas. Moisture advection from the south has also provided additional low to mid level cloud cover along and south of the Tennessee River with some pockets of sunshine in southern middle Tennessee. With a stalled frontal boundary positioned from west to east near the AL/TN state line, cloud cover will remain in place through the rest of today into tonight. Despite the cloud cover, diurnal heating should help increase the instability by this afternoon allowing for medium chances for showers and thunderstorms. Without any nearby shortwave to provide extra lift, precip should wane in coverage after sunset. Overall a tranquil night is forecast with mostly cloudy skies and mild temperatures. Overnight lows only dip down into the upper 50s to lower 60s. If skies can clear a bit fog development is possible but at this time low confidence that would occur and not included in the latest forecast update. && .SHORT TERM... (Thursday through Saturday) Issued at 1018 AM CDT Wed Apr 23 2025 Not much change in the overall synoptic pattern heading through the end of the week and into the weekend. Upper level zonal flow will keep the aforementioned stalled frontal boundary near the local forecast area. As a series of shortwaves traverse the boundary expect additional development of showers and storms. Therefore, medium to high chances for precip is forecast Thursday through Saturday. The main concern with these storms will be heavy rain that could result in flash flooding. Temperatures throughout the short term period will reach the lower 80s each afternoon with overnight lows in the 60s. && .LONG TERM... (Saturday night through Wednesday) Issued at 603 PM CDT Wed Apr 23 2025 High chances for SHRA/TSRA will continue through 03z before this activity generally wanes by late this evening. AWWs and amendments may be needed during this window. Will need to watch for fog at both terminals after Midnight due to the moist boundary layer after these showers and storms dissipate and have added MVFR visibilities between 08-12z to account for this. Another round of SHRA/TSRA will develop Thursday afternoon/evening and have added a PROB30 to address this. && .AVIATION... (18Z TAFS) Issued at 1203 PM CDT Wed Apr 23 2025 MVFR ceilings will linger through the TAF period with periods of thunderstorms this afternoon that could further reduce flying conditions. Precip ends after sunset with light winds through the night. Chances for thunderstorms will once again increase tomorrow during the late morning. && .HUN WATCHES/WARNINGS/ADVISORIES... AL...None. TN...None. && NEAR TERM...GH SHORT TERM....GH LONG TERM....26 AVIATION...AMP.24
In the hours before
Special weather statement, Apr 23, 5:22 PM CDT, 2 hours 1 minute before
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</html>Special weather statement, Apr 23, 5:34 PM CDT, 1 hour 49 minutes before
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</html>Special weather statement, Apr 23, 6:01 PM CDT, 1 hour 22 minutes before
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</html>Local storm report, Apr 23, 6:30 PM CDT, 53 minutes before
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</html>Special weather statement, Apr 23, 7:11 PM CDT, 12 minutes before
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</html>The office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 7:11 PM CDT | Special Weather Statement | HUN | DeKalb | 49 min |
| Apr 24, 3:50 PM CDT | Flash Flood Warning | HUN | Lawrence | 3 hr |
| Apr 24, 3:56 PM CDT | Special Weather Statement | HUN | Lawrence | 49 min |
Nearby
Flash Flood Warnings in Alabama, 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.