Alert archive / Mississippi / Flash Flood Warnings in 2018
Flash Flood Warning 17, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Jul 31, 2018, 3:04 PM CDT for Wayne County, Mississippi; Choctaw County, Alabama. It was in force for 3 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
- Jul 31, 2018, 3:04 PM CDT (20:04 UTC)
- Expired
- Jul 31, 2018, 6:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Choctaw County, AL, Wayne County, MS
The radar
The Mobile radar (KMOB), 155 km from the middle of the area, began a volume at 20:05 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 |
|---|---|---|---|
| Jul 31, 4:00 PM CDT | FLASH FLOOD | Butler, AL | MOVING WATER OVER ROADS IN THE GREEN ACRES SUBDIVISION IN BUTLER, AL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 8.1 hours before the alert went out and 175 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
- 1117 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 859 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- -46 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
762
WGUS54 KMOB 312004
FFWMOB
ALC023-MSC153-312300-
/O.NEW.KMOB.FF.W.0017.180731T2004Z-180731T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
304 PM CDT TUE JUL 31 2018
The National Weather Service in Mobile has issued a
* Flash Flood Warning for...
Choctaw County in southwestern Alabama...
Northern Wayne County in southeastern Mississippi...
* Until 600 PM CDT.
* At 303 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Flash flooding is expected to
begin shortly.
* Some locations that will experience flooding include...
Butler, Lisman, Pennington, Gilbertown and Toxey.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3230 8796 3230 8798 3228 8802 3218 8801
3215 8802 3214 8804 3209 8804 3206 8807
3207 8810 3205 8812 3201 8811 3198 8807
3157 8887 3171 8895 3182 8894 3185 8865
3189 8848 3225 8843 3231 8834 3231 8796
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 11:43 AM CDT | Special Weather Statement | MOB | George | 32 min |
| Jul 31, 1:11 PM CDT | Special Weather Statement | MOB | Greene, Perry | 49 min |
| Jul 31, 1:30 PM CDT | Severe Thunderstorm Warning | MOB | Greene, Perry | 45 min |
| Jul 31, 1:36 PM CDT | Severe Thunderstorm Warning | MOB | Greene, Perry | 39 min |
| Jul 31, 2:28 PM CDT | Special Weather Statement | MOB | Wayne | 47 min |
| Jul 31, 2:38 PM CDT | Areal Flood Advisory | MOB | Wayne | 3 hr |
| Jul 31, 9:38 AM CDT | Special Marine Warning | MOB | 22 min | |
| Jul 31, 10:00 AM CDT | Special Weather Statement | MOB | Conecuh, Escambia | 60 min |
| Jul 31, 10:21 AM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Escambia | 16 min |
| Jul 31, 10:30 AM CDT | Special Marine Warning | MOB | 38 min | |
| Jul 31, 10:52 AM CDT | Special Weather Statement | MOB | Escambia | 53 min |
| Jul 31, 11:03 AM CDT | Areal Flood Advisory | MOB | Conecuh, Escambia, Monroe | 57 min |
| Jul 31, 11:32 AM CDT | Special Weather Statement | MOB | Mobile | 28 min |
| Jul 31, 11:35 AM CDT | Special Weather Statement | MOB | Washington | 40 min |
| Jul 31, 11:40 AM CDT | Areal Flood Advisory | MOB | Butler | 65 min |
| Jul 31, 11:46 AM CDT | Special Weather Statement | MOB | Covington | 29 min |
| Jul 31, 11:56 AM CDT | Special Weather Statement | MOB | Butler | 34 min |
| Jul 31, 12:15 PM CDT | Special Weather Statement | MOB | Covington | 30 min |
| Jul 31, 12:39 PM CDT | Special Weather Statement | MOB | Covington | 36 min |
| Jul 31, 1:50 PM CDT | Flash Flood Watch | MOB | Baldwin, Butler, Conecuh, Covington, Crenshaw, Escambia and 3 more | 48 hr |
| Jul 31, 2:03 PM CDT | Special Weather Statement | MOB | Clarke | 42 min |
| Jul 31, 2:27 PM CDT | Special Weather Statement | MOB | Choctaw | 48 min |
| Jul 31, 4:18 PM CDT | Areal Flood Advisory | MOB | Wilcox | 3 hr |
Nearby
Flash Flood Warnings in Mississippi, 2018Flash Flood Warnings in Alabama, 2018Every flash flood warning in 2018
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.