Alert archive / Alabama / Flash Flood Warnings in 2020
Flash Flood Warning 34, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Sep 16, 2020, 3:04 PM CDT for Covington County, Escambia County, Alabama. It was in force for 116 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 16, 2020, 3:04 PM CDT (20:04 UTC)
- Expired
- Sep 16, 2020, 5:00 PM CDT
- In force
- 116 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Covington County, AL, Escambia County, AL
The radar
The Eglin Afb radar (KEVX), 88 km from the middle of the area, began a volume at 20:06 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
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 8.1 hours before the alert went out and 237 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
- 181 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 788 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 286 m²/s²
- 0-3 km storm-relative helicity
- 397 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.4
The text
As transmitted.
329
WGUS54 KMOB 162004
FFWMOB
ALC039-053-162200-
/O.NEW.KMOB.FF.W.0034.200916T2004Z-200916T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
304 PM CDT Wed Sep 16 2020
The National Weather Service in Mobile has issued a
* Flash Flood Warning for...
Southern Covington County in south central Alabama...
Southeastern Escambia County in south central Alabama...
* Until 500 PM CDT.
* At 303 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 3 and 12 inches of rain
have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Florala, Lockhart, Beda, Huckaville, Wing, Falco, Stedman,
Bradley, McRae, Rock Creek, Howells, Parker Springs and Dixonville.
Additional rainfall amounts of 1 to 3 inches are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3100 8714 3117 8619 3099 8619
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-3 INCHES IN 2 HOURS
$$
TRCThe office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 15, 7:31 PM CDT | Special Marine Warning | MOB | 59 min | |
| Sep 15, 8:16 PM CDT | Special Marine Warning | MOB | 44 min | |
| Sep 15, 8:29 PM CDT | Areal Flood Advisory | MOB | Mobile | 4 hr |
| Sep 15, 9:54 PM CDT | Areal Flood Advisory | MOB | Baldwin, Covington, Escambia | 6 hr |
| Sep 15, 10:53 PM CDT | River Flood Warning | MOB | Covington | 5 days |
| Sep 15, 11:00 PM CDT | Flash Flood Warning | MOB | Baldwin, Mobile | 8 hr |
| Sep 15, 11:40 PM CDT | Special Marine Warning | MOB | 25 min | |
| Sep 16, 1:03 AM CDT | Flash Flood Warning | MOB | Baldwin | 6 hr |
| Sep 16, 1:32 AM CDT | Special Marine Warning | MOB | 88 min | |
| Sep 16, 2:08 AM CDT | Special Marine Warning | MOB | 22 min | |
| Sep 16, 2:57 AM CDT | Special Marine Warning | MOB | 2 hr | |
| Sep 16, 3:58 AM CDT | Flash Flood Warning | MOB | Baldwin, Butler, Conecuh, Covington, Crenshaw, Escambia and 1 more | 6 hr |
| Sep 16, 5:00 AM CDT | Flash Flood Warning | MOB | Baldwin, Covington, Escambia | 10 hr |
| Sep 16, 9:33 AM CDT | Flash Flood Warning | MOB | Baldwin | 8 hr |
| Sep 16, 9:49 AM CDT | Flash Flood Warning | MOB | Baldwin, Butler, Conecuh, Covington, Crenshaw, Escambia and 1 more | 9 hr |
| Sep 16, 1:21 PM CDT | Coastal Flood Advisory | MOB | Baldwin, Mobile | 15 hr |
| Sep 16, 1:21 PM CDT | High Surf Advisory | MOB | Baldwin, Mobile | 15 hr |
| Sep 16, 1:35 PM CDT | Wind Advisory | MOB | Baldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more | 10 hr |
| Sep 16, 2:26 PM CDT | Areal Flood Warning | MOB | Baldwin | 12 hr |
| Sep 16, 4:18 PM CDT | Small Craft Advisory | MOB | 14 hr | |
| Sep 16, 4:45 PM CDT | Areal Flood Warning | MOB | Butler, Conecuh, Covington, Crenshaw, Escambia | 12 hr |
Nearby
Flash Flood Warnings in Alabama, 2020Every flash flood warning in 2020
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.