Alert archive / Mississippi / Flash Flood Warnings in 2021
Flash Flood Warning 69, NWS Memphis, TN
NWS Memphis, TN issued this flash flood warning at Jul 9, 2021, 12:52 PM CDT for DeSoto County, Marshall County, Mississippi; Shelby County, Tennessee; Crittenden County, Arkansas. It was in force for 3 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 9, 2021, 12:52 PM CDT (17:52 UTC)
- Expired
- Jul 9, 2021, 3:39 PM CDT
- In force
- 3 hr
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Crittenden County, AR, DeSoto County, MS, Marshall County, MS, Shelby County, TN
The radar
The Memphis radar (KNQA), 42 km from the middle of the area, began a volume at 17:53 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 9, 1:12 PM CDT | FLASH FLOOD | Walls, MS | NAIL ROAD CLOSED BETWEEN HIGHWAY 61 AND HONEYSUCKLE LANE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 5.9 hours before the alert went out and 16 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3332 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- -14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
644
WGUS54 KMEG 091752
FFWMEG
ARC035-MSC033-093-TNC157-092100-
/O.NEW.KMEG.FF.W.0069.210709T1752Z-210709T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
1252 PM CDT Fri Jul 9 2021
The National Weather Service in Memphis has issued a
* Flash Flood Warning for...
Central Crittenden County in eastern Arkansas...
Northern DeSoto County in northwestern Mississippi...
Northwestern Marshall County in northwestern Mississippi...
Southwestern Shelby County in western Tennessee...
* Until 400 PM CDT.
* At 1252 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain in Along the Shelby DeSoto county line into Marshall
county. Between 3 and 4 inches of rain have fallen. Additional
rainfall amounts of 2 to 3 inches are possible in the warned area.
Flash flooding is already occurring.
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...
Southaven, Olive Branch, West Memphis, Horn Lake, Hernando, T O
Fuller State Park, Memphis, Byhalia, Walls, Edmondson,
Anthonyville, Whitehaven, Southwest Memphis, Lynchburg, Red Banks,
Plum Point, Jago, Capleville, Alden and Cedarview.
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 3512 9037 3507 9008 3501 8976 3500 8971
3494 8951 3481 8952 3479 8960 3487 8981
3488 8998 3494 9026 3509 9040
FLASH FLOOD...RADAR INDICATED
$$1 follow-up statement
360
WGUS74 KMEG 092039
FFSMEG
Flash Flood Statement
National Weather Service Memphis TN
339 PM CDT Fri Jul 9 2021
ARC035-MSC033-093-TNC157-092049-
/O.CAN.KMEG.FF.W.0069.000000T0000Z-210709T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Crittenden AR-DeSoto MS-Marshall MS-Shelby TN-
339 PM CDT Fri Jul 9 2021
...FLASH FLOOD WARNING IS CANCELLED FOR CENTRAL CRITTENDEN, NORTHERN
DESOTO, NORTHWESTERN MARSHALL AND SOUTHWESTERN SHELBY COUNTIES...
Flood waters have receded. The heavy rain has ended. Flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.
LAT...LON 3512 9037 3507 9008 3501 8976 3500 8971
3494 8951 3481 8952 3479 8960 3487 8981
3488 8998 3494 9026 3509 9040
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 11:45 PM CDT | Special Weather Statement | MEG | DeSoto | 30 min |
| Jul 9, 12:14 AM CDT | Severe Thunderstorm Warning | MEG | DeSoto, Tate | 13 min |
| Jul 9, 12:32 AM CDT | Special Weather Statement | MEG | DeSoto | 28 min |
| Jul 9, 10:06 AM CDT | Areal Flood Advisory | MEG | DeSoto, Marshall | 3 hr |
| Jul 9, 11:08 AM CDT | Areal Flood Advisory | MEG | DeSoto, Marshall | 3 hr |
| Jul 9, 1:19 PM CDT | Severe Thunderstorm Warning | MEG | DeSoto, Tate, Tunica | 41 min |
| Jul 8, 10:53 PM CDT | Special Weather Statement | MEG | Carroll | 37 min |
| Jul 8, 10:56 PM CDT | Severe Thunderstorm Warning | MEG | Carroll, Gibson, Weakley | 49 min |
| Jul 8, 10:59 PM CDT | Special Weather Statement | MEG | Madison | 31 min |
| Jul 8, 11:25 PM CDT | Severe Thunderstorm Warning | MEG | Carroll, Gibson, Henderson, Madison | 50 min |
| Jul 8, 11:54 PM CDT | Areal Flood Advisory | MEG | Benton, Carroll, Decatur | 2 hr |
| Jul 8, 11:57 PM CDT | Special Weather Statement | MEG | Benton, Decatur, Henderson | 33 min |
| Jul 9, 7:39 AM CDT | Special Weather Statement | MEG | Hardin | 21 min |
| Jul 9, 3:04 PM CDT | Areal Flood Advisory | MEG | Decatur | 3 hr |
| Jul 9, 1:55 PM CDT | Special Weather Statement | MEG | Crittenden | 35 min |
| Jul 9, 2:22 PM CDT | Areal Flood Advisory | MEG | Crittenden, St. Francis | 78 min |
Nearby
Flash Flood Warnings in Mississippi, 2021Flash Flood Warnings in Tennessee, 2021Flash Flood Warnings in Arkansas, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.