Alert archive / Alabama / Flash Flood Warnings in 2021
Flash Flood Warning 48, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Aug 11, 2021, 8:09 PM CDT for Butler County, Alabama. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 11, 2021, 8:09 PM CDT (01:09 UTC)
- Expired
- Aug 11, 2021, 11:34 PM CDT
- In force
- 3 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
County Butler County, AL
The radar
The Ft Rucker radar (KEOX), 121 km from the middle of the area, began a volume at 01:12 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
Birmingham, AL (KBMX), launched 00:00Z, 1.2 hours before the alert went out and 180 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
- 71 J/kg
- Mixed-layer CIN
- -232 J/kg
- Mixed-layer LCL
- 1550 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
110
WGUS54 KMOB 120109
FFWMOB
ALC013-120715-
/O.NEW.KMOB.FF.W.0048.210812T0109Z-210812T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
809 PM CDT Wed Aug 11 2021
The National Weather Service in Mobile has issued a
* Flash Flood Warning for...
South Central Butler County in south central Alabama...
* Until 215 AM CDT Thursday.
* At 809 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 3 and 4 inches of rain
have fallen. 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 thunderstorms.
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...
McKenzie and Odom Crossroads.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3157 8681 3160 8674 3160 8669 3157 8664
3152 8667 3152 8678
FLASH FLOOD...RADAR INDICATED
$$
DRE1 follow-up statement
947
WGUS74 KMOB 120434
FFSMOB
Flash Flood Statement
National Weather Service Mobile AL
1134 PM CDT Wed Aug 11 2021
ALC013-120444-
/O.CAN.KMOB.FF.W.0048.000000T0000Z-210812T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Butler AL-
1134 PM CDT Wed Aug 11 2021
...FLASH FLOOD WARNING IS CANCELLED FOR SOUTH CENTRAL BUTLER
COUNTY...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
LAT...LON 3157 8681 3160 8674 3160 8669 3157 8664
3152 8667 3152 8678
$$
DREThe office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 7:01 PM CDT | Severe Thunderstorm Warning | MOB | Butler, Covington, Crenshaw | 44 min |
| Aug 11, 7:30 PM CDT | Severe Thunderstorm Warning | MOB | Butler, Crenshaw | 45 min |
| Aug 11, 7:46 PM CDT | Special Weather Statement | MOB | Crenshaw | 44 min |
| Aug 11, 7:47 PM CDT | Special Weather Statement | MOB | Conecuh | 43 min |
| Aug 11, 7:56 PM CDT | Areal Flood Advisory | MOB | Butler, Crenshaw | 3 hr |
| Aug 11, 8:01 PM CDT | Special Weather Statement | MOB | Butler | 44 min |
| Aug 12, 9:42 AM CDT | Special Marine Warning | MOB | 63 min | |
| Aug 12, 12:31 PM CDT | Special Weather Statement | MOB | Escambia | 59 min |
| Aug 12, 6:03 PM CDT | Special Weather Statement | MOB | Crenshaw | 57 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.