Alert archive / Alabama / Flash Flood Warnings in 2022
Flash Flood Warning 35, NWS Huntsville, AL
NWS Huntsville, AL issued this flash flood warning at Aug 10, 2022, 8:36 AM CDT for Marshall 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
- Aug 10, 2022, 8:36 AM CDT (13:36 UTC)
- Expired
- Aug 10, 2022, 10:39 AM CDT
- In force
- 2 hr
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
- Flood severity
- None
County Marshall County, AL
The radar
The Northeast Alabama radar (KHTX), 66 km from the middle of the area, began a volume at 13:37 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
Nashville Metro, TN (KBNA), launched 12:00Z, 1.6 hours before the alert went out and 198 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
- 560 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 806 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Aug 10, 6:09 AM CDT, 2 hours 27 minutes earlier.
Area forecast discussion, Aug 10, 6:09 AM CDT, 2 hours 27 minutes before
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</html>Hazardous weather outlook, Aug 10, 2:13 AM CDT, 6 hours 23 minutes before
Hazardous Weather Outlook National Weather Service Huntsville AL 213 AM CDT Wed Aug 10 2022 ALZ001>010-016-TNZ076-096-097-110715- Lauderdale-Colbert-Franklin AL-Lawrence-Limestone-Madison-Morgan- Marshall-Jackson-DeKalb-Cullman-Moore-Lincoln-Franklin TN- 213 AM CDT Wed Aug 10 2022 This Hazardous Weather Outlook is for north central Alabama, northeast Alabama, northwest Alabama and southern middle Tennessee. .DAY ONE...Today and tonight. Numerous to widespread thunderstorms are forecast today. Due to the slow-moving nature of the thunderstorms, locally heavy rainfall will be the primary risk. A few stronger storms could produce wind gusts to 50 mph and frequent lightning. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Numerous to widespread thunderstorms are forecast again on Thursday, with storm coverage highest during the afternoon and early evening hours. Due to the slow-moving nature of the thunderstorms, locally heavy rainfall will be the primary risk. A few stronger storms could produce wind gusts to 50 mph and frequent lightning. Isolated storms are also forecast on Monday and Tuesday afternoons. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
The office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 8:13 PM CDT | Special Weather Statement | HUN | Lawrence | 32 min |
| Aug 10, 9:05 AM CDT | Flash Flood Warning | HUN | Madison | 3 hr |
| Aug 10, 9:48 AM CDT | Flash Flood Warning | HUN | DeKalb, Jackson | 2 hr |
| Aug 10, 10:22 AM CDT | Flash Flood Warning | HUN | Lawrence, Limestone, Morgan | 2 hr |
| Aug 10, 10:39 AM CDT | Areal Flood Warning | HUN | Marshall | 52 min |
| Aug 10, 10:56 AM CDT | Flash Flood Warning | HUN | Colbert, Lauderdale | 3 hr |
| Aug 10, 12:07 PM CDT | Areal Flood Warning | HUN | Madison | 2 hr |
| Aug 10, 12:41 PM CDT | Areal Flood Warning | HUN | Lawrence, Limestone, Morgan | 23 min |
| Aug 10, 1:37 PM CDT | Areal Flood Warning | HUN | Colbert, Lauderdale | 3 hr |
| Aug 10, 1:41 PM CDT | Special Weather Statement | HUN | DeKalb | 49 min |
| Aug 10, 2:17 PM CDT | Special Weather Statement | HUN | Marshall | 43 min |
| Aug 10, 5:24 PM CDT | Special Weather Statement | HUN | Lawrence | 51 min |
| Aug 10, 6:29 PM CDT | Special Weather Statement | HUN | Madison | 31 min |
Nearby
Flash Flood Warnings in Alabama, 2022Every flash flood warning in 2022
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.