Alert archive / Alabama / Flash Flood Warnings in 2019
Flash Flood Warning 12, NWS Huntsville, AL
NWS Huntsville, AL issued this flash flood warning at Jul 14, 2019, 6:27 PM CDT for Colbert County, Lauderdale 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
- Jul 14, 2019, 6:27 PM CDT (23:27 UTC)
- Expired
- Jul 14, 2019, 8:30 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
The radar
The Columbus AFB radar (KGWX), 115 km from the middle of the area, began a volume at 23:30 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 12:00Z, 11.5 hours before the alert went out and 203 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
- 45 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 545 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 30 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 Jul 13, 6:57 PM CDT, 23 hours 30 minutes earlier.
Area forecast discussion, Jul 13, 6:57 PM CDT, 23 hours 30 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 |
|---|---|---|---|---|
| Jul 14, 12:35 PM CDT | Special Weather Statement | HUN | DeKalb | 25 min |
| Jul 14, 1:04 PM CDT | Special Weather Statement | HUN | DeKalb | 41 min |
| Jul 14, 2:32 PM CDT | Special Weather Statement | HUN | Limestone | 28 min |
| Jul 14, 4:12 PM CDT | Special Weather Statement | HUN | Lauderdale | 33 min |
| Jul 14, 4:38 PM CDT | Special Weather Statement | HUN | Cullman | 37 min |
| Jul 14, 5:09 PM CDT | Special Weather Statement | HUN | Lawrence | 51 min |
| Jul 14, 5:13 PM CDT | Areal Flood Warning | HUN | Colbert, Lauderdale | 3 hr |
| Jul 14, 6:16 PM CDT | Special Weather Statement | HUN | Cullman | 29 min |
Nearby
Flash Flood Warnings in Alabama, 2019Every flash flood warning in 2019
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.