Alert archive / Tennessee / Flash Flood Warnings in 2021
Flash Flood Warning 6, NWS Memphis, TN
NWS Memphis, TN issued this flash flood warning at Feb 28, 2021, 6:35 PM CST for 4 counties in Tennessee. It was in force for 3 hr. 2 reports 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
- Feb 28, 2021, 6:35 PM CST (00:35 UTC)
- Expired
- Feb 28, 2021, 9:45 PM CST
- In force
- 3 hr
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Benton County, TN, Henry County, TN, Obion County, TN, Weakley County, TN
The radar
The Paducah radar (KPAH), 88 km from the middle of the area, began a volume at 00:36 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 |
|---|---|---|---|
| Feb 28, 6:48 PM CST | FLASH FLOOD | Paris, TN | WATER OVER HIGHWAY 69S AND BETHESDA ROAD. HIGH WATER IMPACTING MANY STREETS AND ROADS ACROSS THE COUNTY. |
| Feb 28, 7:00 PM CST | FLASH FLOOD | 8 N Cottage Grove, TN | SEVERAL COUNTY ROADS CLOSED IN HENRY COUNTY DUE TO FLASH FLOODING. PASCHALL CEMETERY ROAD NORTHWEST OF PURYEAR WAS ASHED OUT. OTHER CLOSED ROADS INCLUDE DALE CEMETERY ROAD AND FREELAND ROAD NEAR BUCHANAN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 0.6 hours before the alert went out and 176 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
- 419 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 979 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 220 m²/s²
- 0-3 km storm-relative helicity
- 278 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 4.5
The text
As transmitted.
046
WGUS54 KMEG 010035
FFWMEG
TNC005-079-131-183-010345-
/O.NEW.KMEG.FF.W.0006.210301T0035Z-210301T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
635 PM CST Sun Feb 28 2021
The National Weather Service in Memphis has issued a
* Flash Flood Warning for...
Northeastern Benton County in western Tennessee...
Henry County in western Tennessee...
Southeastern Obion County in western Tennessee...
Weakley County in western Tennessee...
* Until 945 PM CST.
* At 635 PM CST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Martin, Paris, Paris Landing State Park, Dresden, Gleason, Kenton,
Sharon, Cottage Grove, Palmersville, Routon, Latham, Springville,
Puryear, Henry, Como, Ore Springs, Osage, Jones Mill, Matheny
Grove and Mill Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3620 8896 3621 8926 3650 8864 3650 8805
3644 8806 3634 8797 3627 8795 3620 8830
3620 8894 3622 8896
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...2-3 INCHES IN 3 HOURS
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 28, 6:00 PM CST | Flash Flood Warning | MEG | Lake, Obion | 2 hr |
| Feb 28, 6:16 PM CST | Severe Thunderstorm Warning | MEG | Shelby, Tipton | 28 min |
| Feb 28, 6:37 PM CST | Severe Thunderstorm Warning | MEG | Fayette, Haywood, Shelby, Tipton | 23 min |
| Feb 28, 8:09 PM CST | Areal Flood Warning | MEG | Benton, Carroll, Chester, Crockett, Decatur, Fayette and 10 more | 6 hr |
| Feb 28, 8:21 PM CST | Areal Flood Advisory | MEG | Benton, Carroll, Crockett, Dyer, Gibson, Haywood and 5 more | 6 hr |
| Mar 1, 2:06 AM CST | Areal Flood Warning | MEG | Fayette, Shelby, Tipton | 3 hr |
| Mar 1, 3:39 AM CST | River Flood Warning | MEG | Fayette, Shelby | 16 hr |
| Mar 1, 2:56 PM CST | River Flood Advisory | MEG | Lauderdale, Tipton | 5 hr |
| Mar 1, 3:09 PM CST | River Flood Advisory | MEG | Dyer, Lake, Lauderdale | 4 hr |
Nearby
Flash Flood Warnings in Tennessee, 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.