Alert archive / Tennessee / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 242, NWS Nashville, TN

June 28, 1997Wayne County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Jun 28, 1997, 10:41 PM CDT for Wayne County, Tennessee. It was in force for 34 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 28, 1997, 10:41 PM CDT (03:41 UTC)
Expired: Jun 28, 1997, 11:15 PM CDT
In force: 34 min
Issued by: NWS Nashville, TN
Area: Whole counties

County Wayne County, TN

What was reported inside it

Time	Report	Where	Remark
Jun 28, 10:45 PM CDT	Thunderstorm Wind 50	Waynesboro, TN	Trees were blown down.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 3.7 hours before the alert went out and 146 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 809 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 1044 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 20 m²/s²
0-3 km storm-relative helicity: 48 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 290341 RRA
SVRBNA
TNC181-290415-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
1041 PM CDT SAT JUN 28 1997

THE NATIONAL WEATHER SERVICE IN NASHVILLE TN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN MIDDLE TENNESSEE

   ...WAYNE
 
SHORTLY AFTER 1030 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED
OVER THE WAYNESBORO AREA AND MOVING SLOWLY NORTHEAST.

WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES OR
ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS
PASSED. MOTORISTS SHOULD NOT DRIVE INTO lLOW WATER CROSSINGS.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Nashville, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 28, 8:11 PM CDT, 2 hours 30 minutes earlier.

Area forecast discussion, Jun 28, 8:11 PM CDT, 2 hours 30 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
800 PM CDT SAT JUN 28 1997

ATMOSPHERE SHOULD REMAIN MOIST AND AT LEAST SLIGHTLY UNSTBL THROUGH
TONIGHT IN MIDDLE TN. LATEST RUC SFC ANALYSIS SHOWS WK TROF AXIS
ACROSS WRN PARTS OF MIDDLE TN, WITH ATTENDANT AREA OF WND/MOISTURE
CONVERGENCE AND THETA-E RIDGE. THUS, BLV SOME WIDELY SCTD-SCTD
SHOWERS/TSTMS WILL REMAIN PSBL THROUGH THE NIGHT (ESPECIALLY OVER
OUR MOST WRN COUNTIES). A 20-30% P:OP SHOULD COVER THE SITUATION
PRETTY WELL, BUT WOULDN'T ARGUE WITH LEAVING POPS AT 40% EITHER.
OVERALL, FCST SHOULD REQUIRE FEW IF ANY CHANGES.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 9:39 PM CDT	Flash Flood Warning	OHX	Lawrence	2 hr
Jun 28, 10:38 PM CDT	Flash Flood Warning	OHX	Wayne	3 hr
Jun 28, 11:27 PM CDT	Flash Flood Warning	OHX	Giles	3 hr
Jun 28, 11:41 PM CDT	Flash Flood Warning	OHX	Lawrence	3 hr
Jun 29, 5:00 PM CDT	Severe Thunderstorm Warning	OHX	Rutherford	60 min
Jun 29, 6:52 PM CDT	Flash Flood Warning	OHX	White	4 hr
Jun 29, 6:57 PM CDT	Flash Flood Warning	OHX	Lawrence, Wayne	4 hr

Nearby

Severe Thunderstorm Warnings in Tennessee, 1997 Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.