Alert archive / Tennessee / Flash Flood Warnings in 2017
Flash Flood Warning 87, NWS Memphis, TN
NWS Memphis, TN issued this flash flood warning at Aug 31, 2017, 5:21 PM CDT for 9 counties in Tennessee. It was in force for 6 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
- Aug 31, 2017, 5:21 PM CDT (22:21 UTC)
- Expired
- Aug 31, 2017, 11:15 PM CDT
- In force
- 6 hr
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Chester County, TN, Fayette County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Madison County, TN, McNairy County, TN, Tipton County, TN
The radar
The Memphis radar (KNQA), 82 km from the middle of the area, began a volume at 22:20 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 |
|---|---|---|---|
| Aug 31, 7:52 PM CDT | FLASH FLOOD | Bolivar, TN | 6 COUNTY ROADS CLOSED DUE TO FLOODING. |
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 (KBYH), launched 12:00Z, 10.4 hours before the alert went out and 107 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
- 20 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 525 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
580
WGUS54 KMEG 312221
FFWMEG
TNC023-047-069-071-075-077-109-113-167-010415-
/O.NEW.KMEG.FF.W.0087.170831T2221Z-170901T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
521 PM CDT THU AUG 31 2017
The National Weather Service in Memphis has issued a
* Flash Flood Warning for...
Southeastern Tipton County in western Tennessee...
Southwestern Henderson County in western Tennessee...
Northeastern Fayette County in western Tennessee...
Hardeman County in western Tennessee...
McNairy County in western Tennessee...
Southwestern Hardin County in western Tennessee...
Southern Haywood County in western Tennessee...
Southern Madison County in western Tennessee...
Chester County in western Tennessee...
* Until 1115 PM CDT
* At 521 PM CDT...Doppler Radar estimates 2 to 4 inches of rain has
occurred over the past 3 hours. Showers and thunderstorms will
produce an additional 2 to 5 inches of rain over the next 6 hours.
* Some locations that will experience flooding include...
Jackson, Brownsville, Henderson, Bolivar, Selmer, Chickasaw State
Park, Chickasaw State Forest, Big Hill Pond State Park, Whiteville,
Adamsville, Silerton, Masseyville, Hillville, Pocahontas, Jacks
Creek, Dancyville, Cloverport, Mercer, Mifflin and Shiloh.
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 3558 8846 3504 8829 3503 8891 3520 8905
3540 8963 3549 8965 3561 8929
$$1 follow-up statement
786
WGUS74 KMEG 010410
FFSMEG
Flash Flood Statement
National Weather Service Memphis TN
1110 PM CDT THU AUG 31 2017
TNC023-047-069-071-075-077-109-113-167-010419-
/O.EXP.KMEG.FF.W.0087.000000T0000Z-170901T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Tipton TN-Henderson TN-Fayette TN-Hardeman TN-McNairy TN-Hardin TN-
Haywood TN-Madison TN-Chester TN-
1110 PM CDT THU AUG 31 2017
...THE FLASH FLOOD WARNING FOR SOUTHEASTERN TIPTON...SOUTHWESTERN
HENDERSON...NORTHEASTERN FAYETTE...HARDEMAN...MCNAIRY...SOUTHWESTERN
HARDIN...SOUTHERN HAYWOOD...SOUTHERN MADISON AND CHESTER COUNTIES
WILL EXPIRE AT 1115 PM CDT...
The threat for heavy rain has diminished. Flooding is no longer
expected to pose a threat. Please continue to heed any remaining
road closures.
LAT...LON 3558 8846 3504 8829 3503 8891 3520 8905
3540 8963 3549 8965 3561 8929
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 9:13 PM CDT | River Flood Warning | MEG | Hardeman | 62 hr |
| Aug 31, 8:22 AM CDT | Flash Flood Warning | MEG | Dyer, Lauderdale | 3 hr |
| Aug 31, 12:01 PM CDT | Tornado Warning | MEG | Fayette | 44 min |
| Aug 31, 12:03 PM CDT | Tornado Warning | MEG | Fayette, Hardeman | 42 min |
| Aug 31, 12:43 PM CDT | Tornado Warning | MEG | Fayette, Hardeman | 47 min |
| Aug 31, 12:49 PM CDT | Tornado Warning | MEG | Shelby | 41 min |
| Aug 31, 1:24 PM CDT | Flash Flood Warning | MEG | Shelby | 3 hr |
| Aug 31, 1:49 PM CDT | Tornado Warning | MEG | Fayette, Hardeman | 41 min |
| Aug 31, 2:36 PM CDT | Flash Flood Warning | MEG | Fayette, Hardeman | 9 hr |
| Aug 31, 2:47 PM CDT | Tornado Warning | MEG | Hardin, McNairy | 43 min |
| Aug 31, 3:08 PM CDT | Flash Flood Warning | MEG | Shelby | 9 hr |
| Aug 31, 3:10 PM CDT | Tornado Warning | MEG | Hardin, McNairy | 32 min |
| Aug 31, 3:23 PM CDT | Tornado Warning | MEG | Decatur | 52 min |
| Aug 31, 3:26 PM CDT | Tornado Warning | MEG | Chester, McNairy | 25 min |
| Aug 31, 3:29 PM CDT | Tornado Warning | MEG | Hardeman | 16 min |
| Aug 31, 4:43 PM CDT | Flash Flood Warning | MEG | Shelby | 6 hr |
| Aug 31, 6:08 PM CDT | Flash Flood Warning | MEG | Benton, Carroll, Chester, Decatur, Hardin, Henderson and 1 more | 6 hr |
Nearby
Flash Flood Warnings in Tennessee, 2017Every flash flood warning in 2017
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.