Alert archive / Tennessee / Flash Flood Warnings in 2011

Flash Flood Warning 5, NWS Nashville, TN

February 24, 2011Stewart County, Tennessee

NWS Nashville, TN issued this flash flood warning at Feb 24, 2011, 3:55 AM CST for Stewart 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: Feb 24, 2011, 3:55 AM CST (09:55 UTC)
Expired: Feb 24, 2011, 6:45 AM CST
In force: 3 hr
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Flood severity: None

County Stewart County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 9.9 hours before the alert went out and 121 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2691 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 235 m²/s²
0-3 km storm-relative helicity: 275 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

913 
WGUS54 KOHX 240955
FFWOHX
TNC161-241245-
/O.NEW.KOHX.FF.W.0005.110224T0955Z-110224T1245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
355 AM CST THU FEB 24 2011

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  STEWART COUNTY IN MIDDLE TENNESSEE...
  THIS INCLUDES THE CITY OF DOVER...

* UNTIL 645 AM CST

* AT 349 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  PERSISTENT HEAVY RAINFALL RESULTING FROM A SERIES OF THUNDERSTORMS 
  MOVING OVER THE WARNED AREA. HOURLY RAINFALL RATES IN SOME         
  LOCATIONS SOUTH OF DOVER WERE AS MUCH AS 1.5 TO 2 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 3668 8791 3667 8787 3665 8785 3665 8764
      3637 8759 3637 8770 3633 8777 3633 8788
      3635 8793 3635 8798 3643 8805 3658 8805
      3667 8808

$$

ROSE

The office that day

Everything else NWS Nashville, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 24, 4:18 AM CST	Flash Flood Warning	OHX	Cumberland, Fentress	3 hr
Feb 24, 9:57 AM CST	River Flood Warning	OHX	Montgomery, Robertson	32 hr
Feb 24, 10:18 AM CST	River Flood Advisory	OHX	Davidson	50 hr
Feb 24, 10:18 AM CST	River Flood Advisory	OHX	Montgomery	50 hr
Feb 24, 10:18 AM CST	River Flood Advisory	OHX	Davidson	27 hr
Feb 24, 10:18 AM CST	River Flood Advisory	OHX	Davidson	27 hr
Feb 24, 10:18 AM CST	River Flood Advisory	OHX	Davidson	27 hr
Feb 24, 10:18 AM CST	River Flood Advisory	OHX	Davidson	27 hr

Nearby

Flash Flood Warnings in Tennessee, 2011 Every 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.