Alert archive / Alabama / Flash Flood Warnings in 2025

Flash Flood Warning 20, NWS Huntsville, AL

May 2, 2025Cullman County, Morgan County, Alabama

NWS Huntsville, AL issued this flash flood warning at May 2, 2025, 5:19 PM CDT for Cullman County, Morgan 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: May 2, 2025, 5:19 PM CDT (22:19 UTC)
Expired: May 2, 2025, 7:19 PM CDT
In force: 2 hr
Issued by: NWS Huntsville, AL
Area: Storm-based polygon
Flood severity: None

Counties Cullman County, AL, Morgan County, AL

The radar

The Northeast Alabama radar (KHTX), 100 km from the middle of the area, began a volume at 22:21 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

Birmingham, AL (KBMX), launched 12:00Z, 10.3 hours before the alert went out and 124 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1260 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 818 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 102 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.8

Open this sounding in Storm Lab

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 May 2, 2:38 PM CDT, 2 hours 41 minutes earlier.

Area forecast discussion, May 2, 2:38 PM CDT, 2 hours 41 minutes before

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In the hours before

Local storm report, May 2, 4:22 PM CDT, 57 minutes before

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Local storm report, May 2, 4:27 PM CDT, 52 minutes before

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Local storm report, May 2, 4:28 PM CDT, 51 minutes before

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Local storm report, May 2, 4:45 PM CDT, 34 minutes before

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Local storm report, May 2, 4:48 PM CDT, 31 minutes before

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Local storm report, May 2, 4:50 PM CDT, 29 minutes before

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The office that day

Everything else NWS Huntsville, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 2, 11:15 AM CDT	Severe Thunderstorm Warning	HUN	Colbert, Franklin	60 min
May 2, 11:29 AM CDT	Special Weather Statement	HUN	Colbert	46 min
May 2, 11:40 AM CDT	Severe Thunderstorm Warning	HUN	Colbert, Franklin, Lawrence	35 min
May 2, 12:03 PM CDT	Special Weather Statement	HUN	Limestone	27 min
May 2, 12:14 PM CDT	Severe Thunderstorm Warning	HUN	Colbert, Franklin, Lauderdale, Lawrence, Limestone	61 min
May 2, 12:34 PM CDT	Special Weather Statement	HUN	Lauderdale	26 min
May 2, 12:36 PM CDT	Special Weather Statement	HUN	DeKalb	39 min
May 2, 1:14 PM CDT	Special Weather Statement	HUN	Lawrence, Limestone	46 min
May 2, 1:17 PM CDT	Special Weather Statement	HUN	Lawrence	43 min
May 2, 1:21 PM CDT	Special Weather Statement	HUN	Jackson	39 min
May 2, 1:22 PM CDT	Special Weather Statement	HUN	Colbert	53 min
May 2, 1:54 PM CDT	Special Weather Statement	HUN	Lawrence, Limestone	51 min
May 2, 1:57 PM CDT	Special Weather Statement	HUN	Lawrence	48 min
May 2, 2:08 PM CDT	Severe Thunderstorm Warning	HUN	Lawrence, Limestone, Madison, Morgan	67 min
May 2, 2:14 PM CDT	Special Weather Statement	HUN	Colbert	31 min
May 2, 2:19 PM CDT	Special Weather Statement	HUN	Lauderdale	26 min
May 2, 2:29 PM CDT	Severe Thunderstorm Warning	HUN	Colbert, Franklin, Lauderdale	61 min
May 2, 2:41 PM CDT	Special Weather Statement	HUN	Madison	34 min
May 2, 2:59 PM CDT	Special Weather Statement	HUN	Limestone	46 min
May 2, 3:03 PM CDT	Severe Thunderstorm Warning	HUN	Jackson, Madison	57 min
May 2, 3:04 PM CDT	Severe Thunderstorm Warning	HUN	Colbert, Franklin, Lauderdale, Lawrence, Limestone, Morgan	56 min
May 2, 3:13 PM CDT	Special Weather Statement	HUN	Madison	17 min
May 2, 3:24 PM CDT	Severe Thunderstorm Warning	HUN	Cullman, Franklin, Lawrence, Morgan	66 min
May 2, 3:28 PM CDT	Severe Thunderstorm Warning	HUN	Jackson, Madison	32 min
May 2, 3:32 PM CDT	Severe Thunderstorm Warning	HUN	Cullman, Morgan	58 min
May 2, 3:47 PM CDT	Severe Thunderstorm Warning	HUN	Jackson, Limestone, Madison	58 min
May 2, 3:49 PM CDT	Severe Thunderstorm Warning	HUN	Cullman, Marshall, Morgan	56 min
May 2, 3:56 PM CDT	Severe Thunderstorm Warning	HUN	Jackson	34 min
May 2, 3:58 PM CDT	Severe Thunderstorm Warning Considerable damage threat	HUN	DeKalb, Jackson	62 min
May 2, 4:14 PM CDT	Severe Thunderstorm Warning	HUN	Cullman, Lawrence, Madison, Marshall, Morgan	61 min
May 2, 4:32 PM CDT	Severe Thunderstorm Warning	HUN	Cullman	43 min
May 2, 4:34 PM CDT	Severe Thunderstorm Warning	HUN	DeKalb, Jackson, Madison, Marshall	56 min
May 2, 4:46 PM CDT	Severe Thunderstorm Warning	HUN	DeKalb, Jackson, Marshall	59 min
May 2, 5:10 PM CDT	Severe Thunderstorm Warning Considerable damage threat	HUN	Cullman, Marshall	34 min
May 2, 5:27 PM CDT	Severe Thunderstorm Warning	HUN	DeKalb, Jackson	18 min
May 2, 5:41 PM CDT	Severe Thunderstorm Warning	HUN	DeKalb	25 min
May 2, 3:32 AM CDT	Special Weather Statement	HUN	Franklin	28 min
May 2, 1:34 PM CDT	Special Weather Statement	HUN	Moore	41 min
May 2, 1:46 PM CDT	Severe Thunderstorm Warning	HUN	Franklin, Lincoln, Moore	33 min
May 2, 1:50 PM CDT	Special Weather Statement	HUN	Lincoln	40 min
May 2, 2:29 PM CDT	Severe Thunderstorm Warning	HUN	Franklin, Lincoln, Moore	61 min
May 2, 3:07 PM CDT	Severe Thunderstorm Warning	HUN	Franklin	38 min

Nearby

Flash Flood Warnings in Alabama, 2025 Every 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.