Alert archive / Tennessee / Flash Flood Warnings in 2003

Flash Flood Warning 85, NWS Nashville, TN

August 3, 2003Trousdale County, Tennessee

NWS Nashville, TN issued this flash flood warning at Aug 3, 2003, 2:47 AM CDT for Trousdale 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
Aug 3, 2003, 2:47 AM CDT (07:47 UTC)
Expired
Aug 3, 2003, 5:45 AM CDT
In force
3 hr
Issued by
NWS Nashville, TN
Area
Counties, with a storm outline in the text

County Trousdale County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 7.8 hours before the alert went out and 50 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-pSkew-T log-p diagram, Nashville Metro, TN at 00:00Z on 2003-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 149 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 2003-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
149 J/kg
Mixed-layer CIN
-211 J/kg
Mixed-layer LCL
1010 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
93 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.

000 
WGUS54 KOHX 030747
FFWBNA
TNC169-031045-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
247 AM CDT SUN AUG 3 2003

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  TROUSDALE COUNTY IN TENNESSEE

* UNTIL 545 AM CDT

* AT 240 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER  
  OF THUNDERSTORMS PRODUCING VERY HEAVY RAIN 7 MILES SOUTH OF        
  HARTSVILLE...MOVING NORTHEAST AT 40 MPH. SOME SPOTS IN THE COUNTY  
  HAVE ALREADY RECEIVED UPWARDS OF AN INCH OF RAIN DURING THE PAST   
  HOUR, AND THE ADDITIONAL HEAVY RAINFALL WILL LIKELY PRODUCE SOME   
  FLASH FLOODING.

* TOWNS IN THE WARNED AREA INCLUDE HARTSVILLE.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS 
BRIDGES, DIPS, OR OTHER LOW SPOTS IF WATER COVERS THE ROAD. NEVER 
TRY TO CROSS A FLOWING STREAM, EVEN A SMALL ONE, ON FOOT.

LAT...LON 3633 8630 3629 8613 3638 8608 3639 8598
          3643 8598 3644 8616 3649 8618 3650 8624
$$
ROSE

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 9:20 PM CDTFlash Flood WarningOHXBenton3 hr
Aug 3, 2:17 AM CDTFlash Flood WarningOHXFranklin3 hr
Aug 3, 4:47 AM CDTFlash Flood WarningOHXOverton3 hr
Aug 3, 5:23 AM CDTFlash Flood WarningOHXFentress, Pickett3 hr
Aug 3, 5:33 AM CDTFlash Flood WarningOHXSmith3 hr

Nearby

Flash Flood Warnings in Tennessee, 2003Every flash flood warning in 2003

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.