Alert archive / Tennessee / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 89, NWS Memphis, TN

March 28, 1997Gibson County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Mar 28, 1997, 5:37 PM CST for Gibson County, Tennessee. It was in force for 33 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: Mar 28, 1997, 5:37 PM CST (23:37 UTC)
Expired: Mar 28, 1997, 6:10 PM CST
In force: 33 min
Issued by: NWS Memphis, TN
Area: Whole counties

County Gibson County, TN

The radar

The Memphis radar (KNQA), 112 km from the middle of the area, began a volume at 23:38 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 28, 5:30 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 11.6 hours before the alert went out and 159 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: 340 J/kg
Mixed-layer CIN: -266 J/kg
Mixed-layer LCL: 819 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 395 m²/s²
0-3 km storm-relative helicity: 440 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMEM 282338 RRA
SVRMEM
TNC053-290010-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
537 PM CST FRI MAR 28 1997

THE NATIONAL WEATHER SERVICE IN MEMPHIS TN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 610 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WESTERN TENNESSEE

   ...GIBSON COUNTY
 
AT 535 PM..DOPPLER RADAR INDICATED A NEW SEVERE THUNDERSTORM OVER
GIBSON COUNTY NEAR TRENTON MOVING NORTHEAST AT 40 MPH. THIS STORM
WILL PASS NEAR IDLEWILD AND CADES BY 545 PM BRINGING LARGE HAIL AND
DAMAGING WINDS.

.SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YO$UR
PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 28, 2:18 AM CST	Severe Thunderstorm Warning	MEG	Hardin	32 min
Mar 28, 3:13 AM CST	Severe Thunderstorm Warning	MEG	Weakley	17 min
Mar 28, 5:10 PM CST	Severe Thunderstorm Warning	MEG	Gibson	35 min
Mar 28, 5:15 PM CST	Severe Thunderstorm Warning	MEG	Fayette, Hardeman	50 min
Mar 28, 5:41 PM CST	Severe Thunderstorm Warning	MEG	Chester	49 min
Mar 28, 5:46 PM CST	Severe Thunderstorm Warning	MEG	Carroll	34 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.