Alert archive / Tennessee / Flash Flood Warnings in 2002

Flash Flood Warning 38, NWS Nashville, TN

June 25, 2002Giles County, Tennessee

NWS Nashville, TN issued this flash flood warning at Jun 25, 2002, 10:38 AM CDT for Giles 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 counties it named.

The facts

Issued
Jun 25, 2002, 10:38 AM CDT (15:38 UTC)
Expired
Jun 25, 2002, 1:30 PM CDT
In force
3 hr
Issued by
NWS Nashville, TN
Area
Whole counties

County Giles County, TN

The radar

The Northeast Alabama radar (KHTX), 92 km from the middle of the area, began a volume at 15:38 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 3.6 hours before the alert went out and 110 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 2002-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 135 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 2002-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
135 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
995 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
10 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 251538
FFWBNA
TNC055-251830-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
1034 AM CDT TUE JUN 25 2002

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN GILES COUNTY IN TENNESSEE

* UNTIL 130 PM CDT

* AT 1031 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER 
  OF THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL OVER EASTERN GILES  
  COUNTY...AROUND BRICK CHURCH AND FRANKEWING. THESE THUNDERSTORMS   
  WERE SHOWING VERY LITTLE MOVEMENT. DOPPLER RADAR ESTIMATES THAT AS 
  MUCH 2.7 INCHES OF RAIN HAS FALLEN OVER SOME SPOTS IN THE LAST     
  HOUR.

A FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT. 
FLOODING IS THE NUMBER ONE WEATHER KILLER, AND MOST FLOOD DEATHS 
OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES, DIPS, OR 
OTHER LOW SPOTS IF WATER COVERS THE ROAD.
$$
MAR
LAT...LON 3535 8697 3517 8695 3514 8682 3530 8684

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 7:06 PM CDTSevere Thunderstorm WarningOHXMaury24 min
Jun 24, 7:34 PM CDTSevere Thunderstorm WarningOHXMaury26 min
Jun 25, 6:27 AM CDTSevere Thunderstorm WarningOHXCheatham, Davidson33 min
Jun 25, 6:32 AM CDTSevere Thunderstorm WarningOHXSumner28 min
Jun 25, 6:59 AM CDTSevere Thunderstorm WarningOHXCheatham, Davidson46 min
Jun 25, 11:35 AM CDTFlash Flood WarningOHXLincoln3 hr
Jun 25, 11:41 AM CDTSevere Thunderstorm WarningOHXLincoln49 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; radar from the NEXRAD Level II archive.