Alert archive / Tennessee / Flash Flood Warnings in 1997

Flash Flood Warning 79, NWS Nashville, TN

June 28, 1997Overton County, Tennessee

NWS Nashville, TN issued this flash flood warning at Jun 28, 1997, 2:14 PM CDT for Overton County, Tennessee. It was in force for 2 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 28, 1997, 2:14 PM CDT (19:14 UTC)
Expired
Jun 28, 1997, 4:15 PM CDT
In force
2 hr
Issued by
NWS Nashville, TN
Area
Whole counties

County Overton County, TN

The radar

The Nashville radar (KOHX), 115 km from the middle of the area, began a volume at 19:17 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, 7.2 hours before the alert went out and 120 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 1997-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 569 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 1997-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
569 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
955 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
46 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 281915
FFWBNA
TNC133-282115-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
214 PM CDT SAT JUN 28 1997
 
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  415 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN MIDDLE TENNESSEE
 
   ...OVERTON COUNTY
 
AT 211 PM CDT A CLUSTER OF THUNDERSTORMS WITH HEAVY RAIN WAS MOVING
SLOWLY NORTHEAST ACROSS OVERTON COUNTY. RAINFALL AMOUNTS
AROUND 2 INCHES ARE LIKELY WITH THESE STORMS WHICH WILL RESULT IN
FLASH FLOODING OF CREEKS AND STREAMS.
 
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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 9:39 AM CDTFlash Flood WarningOHXCheatham, Dickson, Montgomery2 hr
Jun 28, 12:01 PM CDTSevere Thunderstorm WarningOHXBedford, Rutherford44 min
Jun 28, 12:48 PM CDTSevere Thunderstorm WarningOHXWarren27 min
Jun 28, 1:17 PM CDTFlash Flood WarningOHXVan Buren, Warren118 min
Jun 28, 1:39 PM CDTFlash Flood WarningOHXGrundy2 hr
Jun 28, 6:06 PM CDTFlash Flood WarningOHXHouston, Stewart3 hr

Nearby

Flash Flood Warnings in Tennessee, 1997Every flash flood warning in 1997

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.