Alert archive / Tennessee / Flash Flood Warnings in 2001

Flash Flood Warning 30, NWS Nashville, TN

August 12, 2001Davidson County, Tennessee

NWS Nashville, TN issued this flash flood warning at Aug 12, 2001, 2:16 PM CDT for Davidson County, Tennessee. It was in force for 2 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, 2:16 PM CDT (19:16 UTC)
Expired
Aug 12, 2001, 4:30 PM CDT
In force
2 hr
Issued by
NWS Nashville, TN
Area
Whole counties

County Davidson County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 7.3 hours before the alert went out and 17 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°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 121917
FFWBNA
TNC037-122130-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN DAVIDSON COUNTY IN TENNESSEE

* UNTIL 430 PM CDT

* AT 216 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN FROM GREEN HILLS...TO OAK HILL...TO ANTIOCH.

THESE THUNDERSTORMS HAVE PRODUCED FLOODING OF ROADS IN THE GREEN HILLS
AREA...ALONG WITH STANDING WATER UP TO ONE FOOT DEEP IN SEVERAL HOMES
IN GREEN HILLS AREA ALSO. ANOTHER ONE INCH OF RAIN IS POSSIBLE WHICH
WILL LEAD TO FURTHER FLOODING ACROSS SOUTHERN DAVIDSON COUNTY...AND
MAINLY SOUTH OF INTERSTATE 40.

DO NOT DRIVE THROUGH FLOODED AREAS BY ANY MEANS. TAKE AN ALTERNATE 
HIGH GROUND ROUTE TO REACH YOUR DESTINATION. 
$$
JBW
LAT...LON 3608 8704 3600 8704 3599 8663 3599 8662
          3615 8654

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 8:40 AM CDTFlash Flood WarningOHXFranklin4 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.