Alert archive / Tennessee / Flash Flood Warnings in 2002

Flash Flood Warning 53, NWS Nashville, TN

July 21, 2002Wayne County, Tennessee

NWS Nashville, TN issued this flash flood warning at Jul 21, 2002, 8:39 PM CDT for Wayne 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
Jul 21, 2002, 8:39 PM CDT (01:39 UTC)
Expired
Jul 21, 2002, 10:45 PM CDT
In force
2 hr
Issued by
NWS Nashville, TN
Area
Whole counties

County Wayne County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 1.7 hours before the alert went out and 146 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 2002-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1788 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 00:00Z on 2002-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -30 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
1788 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
1346 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-30 m²/s²
0-3 km storm-relative helicity
-20 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 220139
FFWBNA
TNC181-220345-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
838 PM CDT SUN JUL 21 2002

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

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

* UNTIL 1045 PM CDT

* AT 837 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN OVER COLLINWOOD...OR ABOUT 10 MILES SOUTHEAST OF WAYNESBORO...
  MOVING NORTHEAST AT 5 MPH.

A FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT. 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. TO ESCAPE RISING WATER,
MOVE TO HIGHER GROUND.

$$

21

LAT...LON 3520 8784 3507 8769 3515 8763 3530 8775
2 follow-up statements
000 
WGUS74 KOHX 220222
FFSBNA
TNC181-220345-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
922 PM CDT SUN JUL 21 2002

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN WAYNE COUNTY
UNTIL 1045 PM...

AT 915 PM...RADAR INDICATED THAT THE HEAVY RAINFALL NEAR COLLINWOOD
HAS MOVED NORTHEAST AND HAS WEAKENED. HOWEVER...GIVEN THAT
RADAR HAS INDICATED NEARLY 3 INCHES OF RAINFALL NEAR COLLINWOOD
OVER THE PAST 1 1/2 HOURS...THE FLASH FLOOD WARNING WILL CONTINUE.

KEEP IN MIND THAT FLASH FLOODING CAN STILL OCCUR EVEN AFTER
RAINFALL DIMINISHES IN INTENSITY.

$$

21
000 
WGUS74 KOHX 220347
FFSBNA
TNC181-220415-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1046 PM CDT SUN JUL 21 2002

...THE FLASH FLOOD WARNING FOR SOUTHERN WAYNE COUNTY HAS
EXPIRED...

THE HEAVY RAINFALL WHICH FELL EARLIER THIS EVENING HAS DIMINISHED
WITH NO CURRENT REPORTS OF ANY FLOODING IN THE AREA. THEREFORE...THE
FLASH FLOOD WARNING HAS NOW EXPIRED.

$$

21

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 2:13 PM CDTSevere Thunderstorm WarningOHXMontgomery32 min
Jul 22, 2:49 PM CDTSevere Thunderstorm WarningOHXMontgomery, Stewart26 min
Jul 22, 3:01 PM CDTSevere Thunderstorm WarningOHXMontgomery, Stewart14 min
Jul 22, 3:54 PM CDTSevere Thunderstorm WarningOHXBedford, Moore36 min
Jul 22, 4:36 PM CDTSevere Thunderstorm WarningOHXBedford, Rutherford54 min
Jul 22, 4:40 PM CDTSevere Thunderstorm WarningOHXBedford, Rutherford50 min

Nearby

Flash Flood Warnings in Tennessee, 2002Every flash flood warning in 2002

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.