Alert archive / Tennessee / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 283, NWS Memphis, TN

November 30, 1997Henry County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Nov 30, 1997, 7:56 AM CST for Henry 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
Nov 30, 1997, 7:56 AM CST (13:56 UTC)
Expired
Nov 30, 1997, 8:30 AM CST
In force
34 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Henry County, TN

The radar

The Paducah radar (KPAH), 92 km from the middle of the area, began a volume at 13:59 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, 1.9 hours before the alert went out and 154 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 1997-11-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 194 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 1997-11-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.1939587897Sfc1 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
194 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
496 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMEM 301400
SVRMEM
TNC079-301430-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
756 AM CST SUN NOV 30 1997


THE NATIONAL WEATHER SERVICE IN MEMPHIS TN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WESTERN TENNESSEE

   ...SOUTHEASTERN HENRY COUNTY


AT 754 AM CST... DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH
LARGE HAIL NORTH OF BRUCETON. THE STORM WAS MOVING NORTHEAST AT 25
MILES AN HOUR. THE THUNDERSTORM WILL PASS NEAR SPRINGVILLE BETWEEN
815 AND 830 AM. THE STORM HAS PRODUCED GOLFBALL SIZE HAIL IN CARROLL
COUNTY.


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



&

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 30, 4:54 AM CSTSevere Thunderstorm WarningMEGHaywood36 min
Nov 30, 6:12 AM CSTSevere Thunderstorm WarningMEGMadison28 min
Nov 30, 6:35 AM CSTSevere Thunderstorm WarningMEGCarroll, Gibson45 min
Nov 30, 6:38 AM CSTSevere Thunderstorm WarningMEGMadison37 min
Nov 30, 7:20 AM CSTSevere Thunderstorm WarningMEGCarroll40 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.