Alert archive / Mississippi / Flash Flood Warnings in 2021
Flash Flood Warning 75, NWS Memphis, TN
NWS Memphis, TN issued this flash flood warning at Aug 13, 2021, 5:08 PM CDT for 5 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, 5:08 PM CDT (22:08 UTC)
- Expired
- Aug 13, 2021, 7:42 PM CDT
- In force
- 3 hr
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Coahoma County, MS, Panola County, MS, Quitman County, MS, Tallahatchie County, MS, Yalobusha County, MS
The radar
The Memphis radar (KNQA), 143 km from the middle of the area, began a volume at 22:13 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, 10.1 hours before the alert went out and 87 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.
374
WGUS54 KMEG 132208
FFWMEG
MSC027-107-119-135-161-140115-
/O.NEW.KMEG.FF.W.0075.210813T2208Z-210814T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
508 PM CDT Fri Aug 13 2021
The National Weather Service in Memphis has issued a
* Flash Flood Warning for...
Southeastern Coahoma County in northwestern Mississippi...
Southwestern Panola County in northwestern Mississippi...
Quitman County in northwestern Mississippi...
Northern Tallahatchie County in northwestern Mississippi...
West Central Yalobusha County in northwestern Mississippi...
* Until 815 PM CDT.
* At 508 PM 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...
Batesville, Charleston, Tutwiler, Marks, Lambert, Crowder, Webb,
Sumner, Pope, Vance, Belen, Darling, Enid, Oakland, Courtland,
Waverly, Mims, Denton, Stover and Longstreet.
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 3399 9046 3412 9050 3440 9034 3440 9031
3433 9016 3435 8993 3400 8990 3390 9044
3394 9045 3396 9045 3399 9045
FLASH FLOOD...RADAR INDICATED
$$
KRM2 follow-up statements
685
WGUS74 KMEG 132312
FFSMEG
Flash Flood Statement
National Weather Service Memphis TN
612 PM CDT Fri Aug 13 2021
MSC027-107-119-135-161-140115-
/O.CON.KMEG.FF.W.0075.000000T0000Z-210814T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Coahoma MS-Panola MS-Quitman MS-Tallahatchie MS-Yalobusha MS-
612 PM CDT Fri Aug 13 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM CDT THIS
EVENING FOR SOUTHEASTERN COAHOMA, SOUTHWESTERN PANOLA, QUITMAN,
NORTHERN TALLAHATCHIE AND WEST CENTRAL YALOBUSHA COUNTIES...
At 612 PM CDT, Doppler radar continues to show rain tapering off.
Between 1 and 2 inches of rain have fallen and runoff will continue
to be possible. Additional rainfall amounts up to 0.5 inches are
possible in the warned area.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Batesville, Charleston, Tutwiler, Marks, Lambert, Crowder, Webb,
Sumner, Pope, Vance, Belen, Darling, Enid, Oakland, Courtland,
Waverly, Mims, Denton, Stover and Longstreet.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3399 9046 3412 9050 3440 9034 3440 9031
3433 9016 3435 8993 3400 8990 3390 9044
3394 9045 3396 9045 3399 9045
FLASH FLOOD...RADAR INDICATED
$$
KRM480
WGUS74 KMEG 140042
FFSMEG
Flash Flood Statement
National Weather Service Memphis TN
742 PM CDT Fri Aug 13 2021
MSC027-107-119-135-161-140052-
/O.CAN.KMEG.FF.W.0075.000000T0000Z-210814T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Coahoma MS-Panola MS-Quitman MS-Tallahatchie MS-Yalobusha MS-
742 PM CDT Fri Aug 13 2021
...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN COAHOMA,
SOUTHWESTERN PANOLA, QUITMAN, NORTHERN TALLAHATCHIE AND WEST CENTRAL
YALOBUSHA COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
LAT...LON 3399 9046 3412 9050 3440 9034 3440 9031
3433 9016 3435 8993 3400 8990 3390 9044
3394 9045 3396 9045 3399 9045
$$
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, 4:26 PM CDT | Flash Flood Warning | MEG | Marshall, Panola, Quitman, Tate | 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.