Alert archive / Tennessee / Flash Flood Warnings in 1998

Flash Flood Warning 101, NWS Nashville, TN

July 13, 1998Giles County, Tennessee

NWS Nashville, TN issued this flash flood warning at Jul 13, 1998, 7:17 PM 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
Jul 13, 1998, 7:17 PM CDT (00:17 UTC)
Expired
Jul 13, 1998, 10:15 PM CDT
In force
3 hr
Issued by
NWS Nashville, TN
Area
Whole counties

County Giles County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.3 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 00:00Z on 1998-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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 1998-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 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
5 J/kg
Mixed-layer CIN
-104 J/kg
Mixed-layer LCL
827 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
13 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 
TTAA00 KBNA 140016
FFWBNA
TNC055-099-101-119-140315-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
717 PM CDT MON JUL 13 1998

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  GILES COUNTY IN MIDDLE TENNESSEE
  LAWRENCE COUNTY IN MIDDLE TENNESSEE
  LEWIS COUNTY IN MIDDLE TENNESSEE
  MAURY COUNTY IN MIDDLE TENNESSEE

* UNTIL 1015 PM CDT

* AT 713 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  AN AREA OF HEAVY RAIN THAT EXTENDED BACK INTO ALABAMA.  THIS
HEAVY RAIN WILL CONTINUE AT LEAST THROUGH 9 PM. LAWRENCE COUNTY EMA
AT 710 PM REPORTED HIGHWAY 64 WAS CLOSED WITH 8 TO 10 INCHES OF
WATER ACROSS THE ROAD.  EVACUATIONS HAVE BEGUN IN THE LOW-LYING
AREAS IN THE CITY OF LAWRENCEBURG.  AN ADDITIONAL ONE INCH OF
RAINFALL IS LIKELY THROUGH 830 PM.

DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD!

SW/WSS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 7:17 PM CDTFlash Flood WarningOHXLawrence, Lewis, Maury3 hr
Jul 13, 10:13 PM CDTFlash Flood WarningOHXLawrence, Lewis, Maury4 hr
Jul 13, 10:44 PM CDTFlash Flood WarningOHXHickman, Perry3 hr
Jul 14, 7:17 AM CDTFlash Flood WarningOHXLawrence3 hr
Jul 14, 10:06 AM CDTFlash Flood WarningOHXLawrence3 hr

Nearby

Flash Flood Warnings in Tennessee, 1998Every flash flood warning in 1998

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.