Severe Thunderstorm Warning 317, NWS Nashville, TN

Issued

Aug 29, 1997, 3:39 PM CDT (20:39 UTC)

Expired

Aug 29, 1997, 4:15 PM CDT

In force

36 min

Issued by

NWS Nashville, TN

Area

Whole counties

Counties Lawrence County, TN, Wayne County, TN

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.

000 
TTAA00 KBNA 292040 RRA
SVRBNA
TNC099-181-292115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
339 PM CDT FRI AUG 29 1997
 
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  415 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN MIDDLE TENNESSEE
 
   ...LAWRENCE COUNTY...EASTERN WAYNE COUNTY
 
AT 337 PM CDT...DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM ABOUT 10
MILES NORTHEAST OF WAYNESBORO MOVING SOUTHEAST AT 15 MILES AN HOUR.
 
THIS STORM LIKELY CONTAINS HAIL UP TO ONE INCH IN DIAMETER ALONG WITH
DAMAGING WIND GUSTS TO AT LEAST 60 MILES AN HOUR.
 
TOWNS IN THE PATH OF THIS STORM INCLUDE DEERFIELD AND LAWRENCEBURG.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
STEIGERWALDT

NWS Nashville, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 29, 2:36 PM CDT, 1 hour 3 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
234 PM CDT FRI AUG 29 1997

RW/TRW ALG MS RVR IN IL/MO AREA EXTNDG SE INTO SRN IL AND W KY/TN
OCCURRING BEHIND FNT (EXCEPT FOR TN AREA THAT RECENTLY DVLPD) IN AREA
OF UPR LVL DIVERGENCE AND LOW/MID LVL WARM ADVCTN AND UVV ON W SIDE OF
SFC HI. CONVECTION ACTUALLY DVLPD IN AREA WHERE ONE WOULD EXPECT USING
SATURATION THICKNESS.

ALTHOUGH 00Z ETA/NGM/AVN RUNS FCST THIS DVLPMT FAIRLY WELL...THEY ALL
UNDERESTIMATED STRENGTH OF RETURN FLOW AND ASSOCD ISENTROPIC LIFT AND
UNDERFCST SIZE OF HIR AREA OF MEAN RH FM IA S INTO MO AND E INTO W IL
AT 12Z.

CDFNT MOVG SLOLY S ACRS MID/E TN ATTM PER 18Z RUC SFC ANALYSIS. FNT
EXPECTED TO PUSH INTO AL/GA THIS EVE BEFORE BCMG STNRY...WHILE W END OF
FNT ACRS MO INTO W KY/TN BGNS MOVG SLOLY NE AS WRMFNT ON SAT. BULK OF
PRECIP WILL REMAIN TO OUR NW THRU SAT IN AREA OF BEST LIFT/MSTR AND HIR
THETA-E VALUES. ETA/NGM MDLS HOWEVER SHOW THIS AREA SPREADING E/SE INTO
MID STA WITH TIME ASSOCD WITH DVLPG 700 MB TROF AND MOVS THIS WAY.
.
I WOULD CONTINUE CHC OF RW/TRW THIS EVE OVR W AND PARTS OF MIDDLE TN...
WITH CHC CONTG THESE AREAS SAT BUT PROBABLY KEEP IT DRY FOR PLATEAU.
THEN CHC POPS OVR ALL THE AREA SAT NGT/SUN AS UPR TROF MOVS IN.

WILL NOT STRAY TOO FAR FROM NGM MOS.

BNA EE 067/089 069/090 244

STEIGERWALDT

Severe Thunderstorm Warnings in Tennessee, 1997Every severe thunderstorm warning in 1997

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.