Alert archive / Tennessee / Flash Flood Warnings in 2001

Flash Flood Warning 29, NWS Nashville, TN

August 12, 2001Franklin County, Tennessee

NWS Nashville, TN issued this flash flood warning at Aug 12, 2001, 8:40 AM CDT for Franklin 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 counties it named.

The facts

Issued
Aug 12, 2001, 8:40 AM CDT (13:40 UTC)
Expired
Aug 12, 2001, 1:00 PM CDT
In force
4 hr
Issued by
NWS Nashville, TN
Area
Whole counties

County Franklin County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 1.7 hours before the alert went out and 118 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 12:00Z on 2001-08-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1014 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 12:00Z on 2001-08-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 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
1014 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
668 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
12 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 121341
FFWBNA
TNC051-121800-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
840 AM CDT SUN AUG 12 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  FRANKLIN COUNTY IN TENNESSEE
  THIS INCLUDES THE CITY OF WINCHESTER

* UNTIL 100 PM CDT

* AT 840 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN OVER ALL OF FRANKLIN COUNTY....MOVING SLOWLY SOUTHEAST AT 5 TO
  10 MPH. 

* THE THUNDERSTORM WITH EXCESSIVE RAINFALL WILL BE...
  FROM ESTILL SPRINGS...TO WINCHESTER...TO COWAN THROUGH 100 PM CDT.  

SHERIFFS DEPARTMENT REPORTS WATER OVER ROAD ON HIGHWAY 130 NEAR FOREST
CHAPEL ROAD. OTHER REPORTS OF MINOR STREET FLOODING ARE IN DECHERD AND
WINCHESTER.

DO NOT DRIVE THROUGH FLOODED AREAS BY ANY MEANS. TAKE AN ALTERNATE 
HIGH GROUND ROUTE TO REACH YOUR DESTINATION. 
$$
JBW
LAT...LON 3537 8608 3535 8623 3520 8629 3502 8630
          3499 8607 3501 8589 3523 8590

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 2:16 PM CDTFlash Flood WarningOHXDavidson2 hr
Aug 12, 5:38 PM CDTFlash Flood WarningOHXMarshall, Maury2 hr

Nearby

Flash Flood Warnings in Tennessee, 2001Every flash flood warning in 2001

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.