Alert archive / Mississippi / Flash Flood Warnings in 2021
Flash Flood Warning 25, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at May 12, 2021, 3:13 AM CDT for George County, Stone County, Mississippi. It was in force for 5 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
- May 12, 2021, 3:13 AM CDT (08:13 UTC)
- Expired
- May 12, 2021, 7:54 AM CDT
- In force
- 5 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties George County, MS, Stone County, MS
The radar
The Mobile radar (KMOB), 62 km from the middle of the area, began a volume at 08:14 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
Slidell Radar S, LA (KSIL), launched 00:00Z, 8.2 hours before the alert went out and 99 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
- 618 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 924 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 4.7
The text
As transmitted.
831
WGUS54 KMOB 120813
FFWMOB
MSC039-131-121415-
/O.NEW.KMOB.FF.W.0025.210512T0813Z-210512T1415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
313 AM CDT Wed May 12 2021
The National Weather Service in Mobile has issued a
* Flash Flood Warning for...
George County in southeastern Mississippi...
Southern Stone County in southeastern Mississippi...
* Until 915 AM CDT Wednesday.
* At 313 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 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...
Lucedale, McHenry, Dale, Crossroads, Benndale, Ramsey Springs,
Evanston, Agricola, Vaughn, Movella, Shipman and Perry.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3086 8890 3098 8856 3100 8843 3074 8841
3074 8888 3068 8888 3068 8923 3065 8924
3065 8934
FLASH FLOOD...RADAR INDICATED
$$1 follow-up statement
760
WGUS74 KMOB 121254
FFSMOB
Flash Flood Statement
National Weather Service Mobile AL
754 AM CDT Wed May 12 2021
MSC039-131-121304-
/O.CAN.KMOB.FF.W.0025.000000T0000Z-210512T1415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
George MS-Stone MS-
754 AM CDT Wed May 12 2021
...FLASH FLOOD WARNING IS CANCELLED FOR GEORGE AND SOUTHERN STONE
COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
A Flash Flood Watch remains in effect until 600 PM CDT Wednesday for
Portions of southwest Alabama. Portions of southeast Mississippi.
LAT...LON 3086 8890 3098 8856 3100 8843 3074 8841
3074 8888 3068 8888 3068 8923 3065 8924
3065 8934
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 1:24 AM CDT | Special Weather Statement | MOB | Perry, Stone | 66 min |
| May 12, 2:35 AM CDT | Special Weather Statement | MOB | George | 40 min |
Nearby
Flash Flood Warnings in Mississippi, 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.