Alert archive / Mississippi / Flash Flood Warnings in 2021
Flash Flood Warning 85, NWS Memphis, TN
NWS Memphis, TN issued this flash flood warning at Sep 18, 2021, 6:29 AM CDT for Benton County, Marshall County, Tippah County, Mississippi. It was in force for 4 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
- Sep 18, 2021, 6:29 AM CDT (11:29 UTC)
- Expired
- Sep 18, 2021, 10:30 AM CDT
- In force
- 4 hr
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Benton County, MS, Marshall County, MS, Tippah County, MS
The radar
The Memphis radar (KNQA), 87 km from the middle of the area, began a volume at 11:29 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 00:00Z, 11.5 hours before the alert went out and 83 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
- 884 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 709 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -86 m²/s²
- 0-3 km storm-relative helicity
- -78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
886
WGUS54 KMEG 181129
FFWMEG
MSC009-093-139-181400-
/O.NEW.KMEG.FF.W.0085.210918T1129Z-210918T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
629 AM CDT Sat Sep 18 2021
The National Weather Service in Memphis has issued a
* Flash Flood Warning for...
Benton County in northeastern Mississippi...
Northwestern Tippah County in northeastern Mississippi...
Northeastern Marshall County in northwestern Mississippi...
* Until 900 AM CDT.
* At 629 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 3 inches of
rain have fallen. Additional rainfall amounts of 1 to 3 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...
Holly Springs, Lamar, Snow Lake Shores, Canaan, Michigan City,
Walnut, Ashland, Falkner, Brody, New Canaan, Hamilton,
Tiplersville, Brownfield, Hudsonville, Chalybeate, Early Grove,
Atway and Peoples.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3499 8939 3499 8916 3499 8913 3499 8908
3500 8902 3500 8895 3499 8893 3500 8889
3500 8888 3500 8887 3500 8886 3500 8883
3476 8882 3478 8909 3480 8949
FLASH FLOOD...RADAR INDICATED
$$2 follow-up statements
644
WGUS74 KMEG 181242
FFSMEG
Flash Flood Statement
National Weather Service Memphis TN
742 AM CDT Sat Sep 18 2021
MSC009-093-139-181400-
/O.CON.KMEG.FF.W.0085.000000T0000Z-210918T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Benton MS-Marshall MS-Tippah MS-
742 AM CDT Sat Sep 18 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING
FOR BENTON, NORTHWESTERN TIPPAH AND NORTHEASTERN MARSHALL COUNTIES...
At 742 AM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 1.5 and 3.5 inches of rain have
fallen. Additional rainfall amounts of 1 to 3 inches are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Holly Springs, Lamar, Snow Lake Shores, Canaan, Michigan City,
Walnut, Ashland, Falkner, Brody, New Canaan, Hamilton,
Tiplersville, Brownfield, Hudsonville, Chalybeate, Early Grove,
Atway and Peoples.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3499 8939 3499 8916 3499 8913 3499 8908
3500 8902 3500 8895 3499 8893 3500 8889
3500 8888 3500 8887 3500 8886 3500 8883
3476 8882 3478 8909 3480 8949
FLASH FLOOD...RADAR INDICATED
$$904
WGUS54 KMEG 181348
FFWMEG
MSC009-093-139-181530-
/O.EXT.KMEG.FF.W.0085.000000T0000Z-210918T1530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
848 AM CDT Sat Sep 18 2021
The National Weather Service in Memphis has extended the
* Flash Flood Warning for...
Benton County in northeastern Mississippi...
Northwestern Tippah County in northeastern Mississippi...
Northeastern Marshall County in northwestern Mississippi...
* Until 1030 AM CDT.
* At 848 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 3 and 4.5 inches of
rain have fallen. Additional rainfall amounts of 2 to 3 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...
Holly Springs, Lamar, Snow Lake Shores, Canaan, Michigan City,
Walnut, Ashland, Falkner, Brody, New Canaan, Hamilton,
Tiplersville, Brownfield, Hudsonville, Chalybeate, Early Grove,
Atway and Peoples.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3499 8939 3499 8916 3499 8913 3499 8908
3500 8902 3500 8895 3499 8893 3500 8889
3500 8888 3500 8887 3500 8886 3500 8883
3476 8882 3478 8909 3480 8949
FLASH FLOOD...RADAR INDICATED
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 17, 10:09 PM CDT | Flash Flood Warning | MEG | Monroe | 3 hr |
| Sep 17, 10:36 PM CDT | Areal Flood Advisory | MEG | Monroe | 2 hr |
| Sep 18, 5:49 AM CDT | Areal Flood Advisory | MEG | DeSoto, Marshall | 4 hr |
| Sep 18, 5:57 AM CDT | Areal Flood Advisory | MEG | Benton, Marshall, Tippah | 32 min |
| Sep 18, 6:24 AM CDT | Flash Flood Watch | MEG | Alcorn, Benton, Calhoun, Chickasaw, Coahoma, DeSoto and 16 more | 56 hr |
| Sep 18, 7:54 AM CDT | Areal Flood Advisory | MEG | DeSoto | 3 hr |
| Sep 18, 8:33 AM CDT | Areal Flood Advisory | MEG | Benton, Marshall, Tippah | 3 hr |
| Sep 18, 9:32 AM CDT | Areal Flood Advisory | MEG | DeSoto, Marshall, Tate, Tunica | 118 min |
| Sep 18, 10:40 AM CDT | Areal Flood Advisory | MEG | DeSoto, Panola, Tate | 3 hr |
| Sep 18, 11:46 AM CDT | Areal Flood Advisory | MEG | Coahoma, Quitman, Tallahatchie, Tunica | 2 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.