Alert archive / Tennessee / Flash Flood Warnings in 2011
Flash Flood Warning 45, NWS Nashville, TN
NWS Nashville, TN issued this flash flood warning at Sep 4, 2011, 6:38 PM CDT for Benton County, Houston County, Humphreys County, Tennessee. 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 4, 2011, 6:38 PM CDT (23:38 UTC)
- Expired
- Sep 4, 2011, 10:45 PM CDT
- In force
- 4 hr
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Benton County, TN, Houston County, TN, Humphreys County, TN
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 11.6 hours before the alert went out and 108 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
- 658 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 1398 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
501
WGUS54 KOHX 042338
FFWOHX
TNC005-083-085-050530-
/O.NEW.KOHX.FF.W.0045.110904T2338Z-110905T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
638 PM CDT SUN SEP 4 2011
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
HOUSTON COUNTY IN MIDDLE TENNESSEE...
NORTHERN BENTON COUNTY IN MIDDLE TENNESSEE...
NORTHWESTERN HUMPHREYS COUNTY IN MIDDLE TENNESSEE...
* UNTIL 1230 AM CDT
* AT 637 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
AREA OF VERY HEAVY RAINFALL ACROSS THE WARNED AREA.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. FLASH FLOODING IS EXPECTED TO OCCUR OVER MAINLY RURAL AREAS
OF HOUSTON...NORTHERN BENTON AND NORTHWESTERN HUMPHREYS COUNTIES...
INCLUDING THE TOWN OF BIG SANDY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
&&
LAT...LON 3612 8815 3623 8810 3631 8785 3624 8779
3634 8759 3634 8753 3633 8751 3631 8752
3615 8779
$$
ROSE1 follow-up statement
071
WGUS74 KOHX 050345
FFSOHX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1045 PM CDT SUN SEP 4 2011
TNC005-083-085-050359-
/O.CAN.KOHX.FF.W.0045.000000T0000Z-110905T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BENTON TN-HOUSTON TN-HUMPHREYS TN-
1045 PM CDT SUN SEP 4 2011
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHWESTERN
HUMPHREYS...HOUSTON AND NORTHERN BENTON COUNTIES IS CANCELLED...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 3612 8815 3623 8810 3631 8785 3624 8779
3634 8759 3634 8753 3633 8751 3631 8752
3615 8779
$$
ROSEThe office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 11:32 PM CDT | Special Weather Statement | OHX | Montgomery | 28 min |
| Sep 3, 11:34 PM CDT | Severe Thunderstorm Warning | OHX | Montgomery | 26 min |
| Sep 4, 3:11 AM CDT | Flash Flood Watch | OHX | Bedford, Cannon, Coffee, Cumberland, DeKalb, Fentress and 11 more | 49 hr |
| Sep 4, 2:32 PM CDT | Severe Thunderstorm Warning | OHX | Fentress, Pickett | 28 min |
| Sep 4, 3:02 PM CDT | Special Weather Statement | OHX | DeKalb | 28 min |
| Sep 4, 4:38 PM CDT | Severe Thunderstorm Warning | OHX | Cannon, DeKalb, Rutherford, Wilson | 37 min |
| Sep 4, 5:52 PM CDT | Flash Flood Warning | OHX | Houston, Montgomery, Stewart | 3 hr |
Nearby
Flash Flood Warnings in Tennessee, 2011Every flash flood warning in 2011
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.