Alert archive / Tennessee / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 249, NWS Memphis, TN

July 28, 1997Hardeman County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Jul 28, 1997, 6:56 PM CDT for Hardeman County, Tennessee. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 28, 1997, 6:56 PM CDT (23:56 UTC)
Expired
Jul 28, 1997, 7:30 PM CDT
In force
34 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Hardeman County, TN

The radar

The Memphis radar (KNQA), 81 km from the middle of the area, began a volume at 23:56 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

Little Rock, AR (KLZK), launched 12:00Z, 11.9 hours before the alert went out and 97 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, Little Rock, AR at 12:00Z on 1997-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2634 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, Little Rock, AR at 12:00Z on 1997-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
2634 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
1130 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
0 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 KMEM 282359 RRA
SVRMEM
TNC069-290030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
656 PM CDT MON JUL 28 1997

THE NATIONAL WEATHER SERVICE IN MEMPHIS TN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WESTERN TENNESSEE

   ...SOUTHERN HARDEMAN COUNTY
 
AT 655 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH
LARGE HAIL AND DAMAGING WINDS JUST SOUTH OF HICKORY VALLEY. THIS
STORM IS MOVING SOUTHEAST AROUND 15 MPH AND CROSS HIGHWAY 57 NEAR
SAULSBURY BY 715 PM.

.IF YOU ARE CAUGHT OUTSIDE...SEEK REFUGE FROM THE WEATHER IN A
STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAV"Y RAIN... AND
DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY
INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

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.

In the hours before

Local storm report, Jul 28, 6:17 PM CDT, 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TENNESSEE
617 PM CDT MON JUL 28 1997

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0130 PM    5 E DYERSBURG             TN   WIND DAMAGE
07/28/97   DYER                           SEVERAL TREES DOWNED WITH
                                          SOME MINOR STRUCTURAL
                                          DAMAGE REPORTED NEAR
                                          ROELLEN BY EMA DIRECTOR

0325 PM    10 SE DYERSBURG           TN   .75 INCH HAIL
07/28/97   DYER                           DIME SIZE HAIL REPORTED BY
                                          SPOTTER
Local storm report, Jul 28, 6:19 PM CDT, 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TENNESSEE
617 PM CDT MON JUL 28 1997

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0130 PM    5 E DYERSBURG             TN   WIND DAMAGE
07/28/97   DYER                           SEVERAL TREES DOWNED WITH
                                          SOME MINOR STRUCTURAL
                                          DAMAGE REPORTED NEAR
                                          ROELLEN BY EMA DIRECTOR

0325 PM    10 SE DYERSBURG           TN   .75 INCH HAIL
07/28/97   DYER                           DIME SIZE HAIL REPORTED BY
                                          SPOTTER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 3:09 PM CDTSevere Thunderstorm WarningMEGDyer31 min
Jul 28, 6:40 PM CDTSevere Thunderstorm WarningMEGFayette35 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 1997Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.