Alert archive / Tennessee / Flash Flood Warnings in 1989

Flash Flood Warning 7, NWS Nashville, TN

March 5, 1989Wilson County, Tennessee

NWS Nashville, TN issued this flash flood warning at Mar 5, 1989, 7:14 AM CST for Wilson County, Tennessee. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Mar 5, 1989, 7:14 AM CST (13:14 UTC)
Expired
Mar 5, 1989, 10:15 AM CST
In force
3 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 12:00Z, 1.2 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 12:00Z on 1989-03-05Temperature 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 12:00Z on 1989-03-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -114 square meters per square second.1939587897Sfc1 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
519 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
-114 m²/s²
0-3 km storm-relative helicity
81 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 051316
FFWBNA
TNC003-149-189-051615-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
714 AM CST SUN MAR 5 1989
 
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1015 AM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN MIDDLE TENNESSEE
          ...BEDFORD...RUTHERFORD...WILSON
 
NUMEROUS REPORTS OF FLOODING OF BRIDGES AND LOW LYING AREAS
HAVE BEEN RECEIVED DURING THE PAST HOUR IN THESE COUNTIES.
 
RADAR AND SURFACE REPORTS INDICATE MORE RAIN THROUGH THE
MORNING.
 
WATER IS REPORTEDLY IN HOUSES IN BEDFORD COUNTY AND SOME BRIDGES
ARE UNDER WATER
.
 
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 4, 11:15 PM CSTSevere Thunderstorm WarningOHXHickman, Humphreys, Perry45 min
Mar 5, 12:04 AM CSTSevere Thunderstorm WarningOHXHickman, Humphreys, Perry56 min
Mar 5, 12:04 AM CSTSevere Thunderstorm WarningOHXDickson, Houston56 min
Mar 5, 1:17 AM CSTSevere Thunderstorm WarningOHXDavidson, Sumner, Wilson58 min
Mar 5, 7:14 AM CSTFlash Flood WarningOHXBedford, Rutherford3 hr
Mar 5, 3:21 PM CSTFlash Flood WarningOHXGiles4 hr
Mar 5, 4:14 PM CSTFlash Flood WarningOHXCoffee, Franklin, Warren3 hr

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.