Alert archive / Tennessee / Flash Flood Warnings in 1989

Flash Flood Warning 10, NWS Nashville, TN

June 8, 1989Davidson County, Tennessee

NWS Nashville, TN issued this flash flood warning at Jun 8, 1989, 9:24 PM CDT for Davidson County, Tennessee. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
Jun 8, 1989, 9:24 PM CDT (02:24 UTC)
Expired
Jun 8, 1989, 10:30 PM CDT
In force
66 min
Issued by
NWS Nashville, TN
Area
Whole counties

County Davidson 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, 2.4 hours before the alert went out and 17 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 1989-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 29 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 00:00Z on 1989-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 square meters per square second.193958Sfc1 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
29 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
534 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
162 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 090225
FFWBNA
TNC037-090330-
 
BULLETIN - EBS ACTIVATION REQUESTED
SMALL STREAM AND URBAN FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
924 PM CDT THU JUN 8 1989
 
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL 1030 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN MIDDLE TENNESSEE
          ...DAVIDSON
 
HEAVY RAINS OVER THE LAST FEW HOURS HAVE CAUSED PROBLEMS WITH WATER
OVER SOME ROADWAYS AND STREETS IN DAVIDSON COUNTY.
 
FLOODING OF LOW LYING AREAS AND STREETS IS LIKELY IN DAVIDSON COUNTY
DURING THE NEXT HOUR.
 
MODERATE TO HEAVY RAINFALL HAS NOW MOVED EAST OF NASHVILLE AND SHOULD
ALLOW FOR THE WATER THAT HAS ACCUMULATED TO SUBSIDE.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER 'BEGINS RISING.

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.