Alert archive / Alabama / Flash Flood Warnings in 2021
Flash Flood Warning 28, NWS Tallahassee, FL
NWS Tallahassee, FL issued this flash flood warning at Aug 16, 2021, 6:52 PM CDT for 4 counties in Alabama. It was in force for 4 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 16, 2021, 6:52 PM CDT (23:52 UTC)
- Expired
- Aug 16, 2021, 10:45 PM CDT
- In force
- 4 hr
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Dale County, AL, Geneva County, AL, Henry County, AL, Houston County, AL
The radar
The Ft Rucker radar (KEOX), 24 km from the middle of the area, began a volume at 23:56 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 16, 8:48 PM CDT | FLASH FLOOD | Midland City, AL | DANIEL STREET IS CLOSED DUE TO WATER OVER THE ROADWAY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 11.9 hours before the alert went out and 147 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
- 368 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 754 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
002
WGUS52 KTAE 162352
FFWTAE
ALC045-061-067-069-170345-
/O.NEW.KTAE.FF.W.0028.210816T2352Z-210817T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tallahassee FL
652 PM CDT Mon Aug 16 2021
The National Weather Service in Tallahassee has issued a
* Flash Flood Warning for...
Southeastern Dale County in southeastern Alabama...
Eastern Geneva County in southeastern Alabama...
Southern Henry County in southeastern Alabama...
Northwestern Houston County in southeastern Alabama...
* Until 1045 PM CDT.
* At 652 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to 2 inches of rain have
fallen in the last 2 Hours. Additional rainfall amounts of 1 to 2
inches are possible in the warned area. Flash flooding is ongoing
or expected to begin shortly.
HAZARD...Flash flooding caused by heavy rain.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Dothan, Headland, Hartford, Taylor, Midland City, Kinsey, Ashford,
Slocomb, Cowarts, Newton, Webb, Columbia, Pinckard, Malvern,
Grimes, Avon, Newville, Napier Field and Black.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3124 8569 3134 8559 3147 8546 3150 8527
3142 8510 3131 8510 3114 8528 3115 8541
3111 8565 3100 8576 3100 8585
FLASH FLOOD...RADAR INDICATED
$$The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 5:19 PM CDT | Flash Flood Warning | TAE | Geneva, Houston | 6 hr |
| Aug 16, 6:19 PM CDT | Areal Flood Advisory | TAE | Dale, Geneva, Henry, Houston | 4 hr |
Nearby
Flash Flood Warnings in Alabama, 2021Every flash flood warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.