Alert archive / Tennessee / Flash Flood Warnings in 2021
Flash Flood Warning 25, NWS Memphis, TN
NWS Memphis, TN issued this flash flood warning at Mar 27, 2021, 10:17 PM CDT for Fayette County, Shelby County, Tennessee. 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
- Mar 27, 2021, 10:17 PM CDT (03:17 UTC)
- Expired
- Mar 28, 2021, 1:16 AM CDT
- In force
- 3 hr
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Fayette County, TN, Shelby County, TN
The radar
The Memphis radar (KNQA), 18 km from the middle of the area, began a volume at 03:17 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, 3.3 hours before the alert went out and 48 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
- 894 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 1261 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 209 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 8.7
The text
As transmitted.
527
WGUS54 KMEG 280317
FFWMEG
TNC047-157-280630-
/O.NEW.KMEG.FF.W.0025.210328T0317Z-210328T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
1017 PM CDT Sat Mar 27 2021
The National Weather Service in Memphis has issued a
* Flash Flood Warning for...
Northwestern Fayette County in western Tennessee...
Shelby County in western Tennessee...
* Until 130 AM CDT.
* At 1017 PM CDT, 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...
Bartlett, Collierville, Germantown, Millington, Cordova, T O
Fuller State Park, Memphis, Lakeland, Arlington, Somerville, Eads,
Ellendale, Southeast Memphis, Frayser, Midtown Memphis, Downtown
Memphis, Whitehaven, Southwest Memphis, Warren and Macon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses
as well as other drainage areas and low lying spots.
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 3536 8986 3540 8919 3500 8962 3501 9019
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$1 follow-up statement
338 WGUS74 KMEG 280616 FFSMEG Flash Flood Statement National Weather Service Memphis TN 116 AM CDT Sun Mar 28 2021 TNC047-157-280626- /O.CAN.KMEG.FF.W.0025.000000T0000Z-210328T0630Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Fayette TN-Shelby TN- 116 AM CDT Sun Mar 28 2021 ...FLASH FLOOD WARNING IS CANCELLED FOR NORTHWESTERN FAYETTE AND SHELBY COUNTIES... The heavy rain has ended. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. A Flash Flood Watch remains in effect until 700 AM CDT for portions of East Arkansas...North Mississippi...Southeast Missouri and West Tennessee. LAT...LON 3536 8986 3540 8919 3500 8962 3501 9019 $$
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 7:02 PM CDT | Tornado Warning | MEG | Dyer, Lauderdale | 43 min |
| Mar 27, 7:03 PM CDT | Tornado Warning | MEG | Lauderdale, Tipton | 42 min |
| Mar 27, 7:22 PM CDT | Special Weather Statement | MEG | Haywood | 23 min |
| Mar 27, 7:35 PM CDT | Severe Thunderstorm Warning | MEG | Crockett, Gibson, Haywood, Madison | 40 min |
| Mar 27, 7:41 PM CDT | Special Weather Statement | MEG | Chester | 34 min |
| Mar 27, 7:44 PM CDT | Special Weather Statement | MEG | Dyer | 31 min |
| Mar 27, 7:52 PM CDT | Special Weather Statement | MEG | Lauderdale | 23 min |
| Mar 27, 7:54 PM CDT | Special Weather Statement | MEG | Shelby | 21 min |
| Mar 27, 8:04 PM CDT | Severe Thunderstorm Warning | MEG | Chester, Decatur, Henderson | 41 min |
| Mar 27, 8:07 PM CDT | Tornado Warning | MEG | Shelby, Tipton | 38 min |
| Mar 27, 8:18 PM CDT | Severe Thunderstorm Warning | MEG | Henderson, Madison | 42 min |
| Mar 27, 8:20 PM CDT | Special Weather Statement | MEG | Dyer | 25 min |
| Mar 27, 8:23 PM CDT | Flash Flood Warning | MEG | Chester, Henderson, Madison | 6 hr |
| Mar 27, 8:26 PM CDT | Severe Thunderstorm Warning | MEG | Shelby | 11 min |
| Mar 27, 8:37 PM CDT | Tornado Warning | MEG | Decatur | 23 min |
| Mar 27, 8:39 PM CDT | Severe Thunderstorm Warning | MEG | Lauderdale, Tipton | 34 min |
| Mar 27, 8:43 PM CDT | Areal Flood Advisory | MEG | Decatur | 19 min |
| Mar 27, 8:43 PM CDT | Severe Thunderstorm Warning | MEG | Chester, Henderson, Madison | 47 min |
| Mar 27, 9:02 PM CDT | Flash Flood Warning | MEG | Decatur | 7 hr |
| Mar 27, 9:09 PM CDT | Areal Flood Advisory | MEG | Shelby | 3 hr |
| Mar 27, 9:20 PM CDT | Severe Thunderstorm Warning | MEG | Crockett, Haywood, Madison | 40 min |
| Mar 27, 9:29 PM CDT | Severe Thunderstorm Warning | MEG | Benton, Decatur, Henderson | 31 min |
| Mar 27, 9:32 PM CDT | Severe Thunderstorm Warning | MEG | Fayette, Hardeman, Haywood, Madison, Shelby, Tipton | 43 min |
| Mar 27, 9:37 PM CDT | Areal Flood Advisory | MEG | Carroll, Gibson, Henry, Weakley | 3 hr |
| Mar 27, 9:53 PM CDT | Severe Thunderstorm Warning | MEG | Fayette, Shelby, Tipton | 52 min |
| Mar 27, 9:58 PM CDT | Severe Thunderstorm Warning | MEG | Carroll, Chester, Crockett, Fayette, Gibson, Hardeman and 3 more | 47 min |
| Mar 27, 10:03 PM CDT | Flash Flood Warning | MEG | Benton, Carroll, Decatur, Henderson | 4 hr |
| Mar 27, 10:28 PM CDT | River Flood Warning | MEG | Decatur, Perry | 11 days |
| Mar 27, 10:35 PM CDT | Flash Flood Warning | MEG | Haywood, Madison, Tipton | 3 hr |
| Mar 27, 10:39 PM CDT | Severe Thunderstorm Warning | MEG | Fayette, Hardeman, Haywood, Lauderdale, Shelby, Tipton | 36 min |
| Mar 27, 10:42 PM CDT | Tornado Warning | MEG | Chester, Decatur, Hardeman, Henderson, Madison | 29 min |
| Mar 27, 10:49 PM CDT | Flash Flood Warning | MEG | Shelby | 3 hr |
| Mar 27, 11:09 PM CDT | Severe Thunderstorm Warning | MEG | Chester, Fayette, Hardeman, Haywood, McNairy, Madison | 51 min |
| Mar 27, 11:11 PM CDT | Flash Flood Warning | MEG | Fayette, Hardeman | 3 hr |
| Mar 27, 11:25 PM CDT | Tornado Warning | MEG | Chester, Hardeman, McNairy | 14 min |
| Mar 27, 11:54 PM CDT | Severe Thunderstorm Warning | MEG | Chester, Decatur, Hardin, Henderson, McNairy | 51 min |
| Mar 27, 11:58 PM CDT | Tornado Warning | MEG | McNairy | 17 min |
| Mar 28, 12:12 AM CDT | Tornado Warning | MEG | Hardin | 33 min |
| Mar 28, 2:30 PM CDT | River Flood Warning | MEG | Benton, Henry, Houston, Humphreys, Stewart | 10 days |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.