Alert archive / Tennessee / Flash Flood Warnings in 1989

Flash Flood Warning 2, NWS Nashville, TN

February 14, 1989Wilson County, Tennessee

NWS Nashville, TN issued this flash flood warning at Feb 14, 1989, 5:20 AM CST for Wilson County, Tennessee. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Feb 14, 1989, 5:20 AM CST (11:20 UTC)
Expired
Feb 14, 1989, 9:15 AM CST
In force
4 hr
Issued by
NWS Nashville, TN
Area
Whole counties

County Wilson County, TN

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 11.3 hours before the alert went out and 27 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 1989-02-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 1989-02-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 479 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
989 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
479 m²/s²
0-3 km storm-relative helicity
599 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 141121
FFWBNA
TNC189-141515-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
520 AM CST TUE FEB 14 1989
 
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  915 AM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN MIDDLE TENNESSEE
          ...WILSON
 
WILSON COUNTY CIVIL DEFENSE REPORTS THAT MANY AREAS OF CENTRAL
AND SOUTHERN WILSON COUNTY ARE FLOODED. WATER IS RISING ALONG THE
TOWN CREEK AND HEADING FOR LEBANON AND COULD AFFECT SEVERAL HOMES
AND BUSINESSES.  RADAR AND SURFACE REPORTS INDICATE NEARLY THREE
INCHES OF RAIN HAS FALLEN IN THE PAST 4 HOURS IN WILSON COUNTY.
 
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.

Nearby

Flash Flood Warnings in Tennessee, 1989Every flash flood warning in 1989

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.