Alert archive / Mississippi / Flash Flood Warnings in 2021
Flash Flood Warning 74, NWS Memphis, TN
NWS Memphis, TN issued this flash flood warning at Aug 13, 2021, 4:26 PM CDT for 4 counties in Mississippi. 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 13, 2021, 4:26 PM CDT (21:26 UTC)
- Expired
- Aug 13, 2021, 7:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Marshall County, MS, Panola County, MS, Quitman County, MS, Tate County, MS
The radar
The Memphis radar (KNQA), 92 km from the middle of the area, began a volume at 21:24 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
Little Rock, AR (KLZK), launched 12:00Z, 9.4 hours before the alert went out and 34 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
- 1427 J/kg
- Mixed-layer CIN
- -94 J/kg
- Mixed-layer LCL
- 1235 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
858
WGUS54 KMEG 132126
FFWMEG
MSC093-107-119-137-140030-
/O.NEW.KMEG.FF.W.0074.210813T2126Z-210814T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
426 PM CDT Fri Aug 13 2021
The National Weather Service in Memphis has issued a
* Flash Flood Warning for...
Southwestern Marshall County in northwestern Mississippi...
Northern Panola County in northwestern Mississippi...
Northeastern Quitman County in northwestern Mississippi...
Tate County in northwestern Mississippi...
* Until 730 PM CDT.
* At 426 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 3 inches of rain
have fallen. Additional rainfall amounts up to 1 inch 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...
Senatobia, Batesville, John W Kyle State Park, Sardis, Coldwater,
Como, Crenshaw, Sledge, Barr, Pleasant Grove, Independence,
Strayhorn, Curtis Station, Marianna, Falcon, McGhee, New Town,
Bluff, Looxahoma and Crossroad.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3451 9024 3451 9020 3456 9021 3463 9016
3473 8983 3477 8953 3455 8965 3455 8972
3442 8973 3437 8983 3432 9018 3439 9033
FLASH FLOOD...RADAR INDICATED
$$
KRM1 follow-up statement
597
WGUS74 KMEG 132249
FFSMEG
Flash Flood Statement
National Weather Service Memphis TN
549 PM CDT Fri Aug 13 2021
MSC093-107-119-137-140030-
/O.CON.KMEG.FF.W.0074.000000T0000Z-210814T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Marshall MS-Panola MS-Quitman MS-Tate MS-
549 PM CDT Fri Aug 13 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM CDT THIS
EVENING FOR SOUTHWESTERN MARSHALL, NORTHERN PANOLA, NORTHEASTERN
QUITMAN AND TATE COUNTIES...
At 549 PM CDT, Doppler radar continues to show rain tapering off.
Between 1 and 3 inches of rain have fallen and runoff will continue
to be possible. Additional rainfall amounts up to 0.5 inches are
possible in the warned area.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Senatobia, Batesville, John W Kyle State Park, Sardis, Coldwater,
Como, Crenshaw, Sledge, Barr, Pleasant Grove, Independence,
Strayhorn, Curtis Station, Marianna, Falcon, McGhee, New Town,
Bluff, Looxahoma and Crossroad.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3451 9024 3451 9020 3456 9021 3463 9016
3473 8983 3477 8953 3455 8965 3455 8972
3442 8973 3437 8983 3432 9018 3439 9033
FLASH FLOOD...RADAR INDICATED
$$
KRMThe office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 2:00 PM CDT | Areal Flood Advisory | MEG | DeSoto, Marshall | 3 hr |
| Aug 13, 2:00 PM CDT | Special Weather Statement | MEG | DeSoto | 45 min |
| Aug 13, 2:25 PM CDT | Special Weather Statement | MEG | Tippah, Union | 50 min |
| Aug 13, 2:51 PM CDT | Flash Flood Warning | MEG | DeSoto | 3 hr |
| Aug 13, 5:08 PM CDT | Flash Flood Warning | MEG | Coahoma, Panola, Quitman, Tallahatchie, Yalobusha | 3 hr |
| Aug 13, 5:16 PM CDT | Areal Flood Advisory | MEG | Itawamba, Lee | 3 hr |
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.