Alert archive / Tennessee / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 70, NWS Memphis, TN

March 2, 1997Chester County, McNairy County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Mar 2, 1997, 12:56 AM CST for Chester County, McNairy 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: Mar 2, 1997, 12:56 AM CST (06:56 UTC)
Expired: Mar 2, 1997, 1:30 AM CST
In force: 34 min
Issued by: NWS Memphis, TN
Area: Whole counties

Counties Chester County, TN, McNairy County, TN

The radar

The Memphis radar (KNQA), 117 km from the middle of the area, began a volume at 06:57 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 1, 9:00 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 6.9 hours before the alert went out and 134 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: 491 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 602 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: -47 m²/s²
0-3 km storm-relative helicity: 90 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMEM 020655 RRA
SVRMEM
TNC109-023-020730-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
1256 AM CST SUN MAR 2 1997

THE NATIONAL WEATHER SERVICE IN MEMPHIS TN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 130 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WESTERN TENNESSEE

   ...MCNAIRY COUNTY
   ...CHESTER COUNTY
 
AT 1253 AM..DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR
SELMER MOVING NORTHEAST AT 50 MPH. THIS STORM WILL AFFECT ADAMSVILLE
AND ENVILLE BY 110 AM BRINGING LARGE HAIL AND DAMAGING WINDS.

.A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.
REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE
ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 1, 7:01 PM CST	Severe Thunderstorm Warning	MEG	Dyer	44 min
Mar 1, 7:10 PM CST	Tornado Warning	MEG	Dyer	35 min
Mar 1, 7:26 PM CST	Tornado Warning	MEG	Gibson	34 min
Mar 1, 7:40 PM CST	Severe Thunderstorm Warning	MEG	Weakley	35 min
Mar 1, 8:04 PM CST	Tornado Warning	MEG	Henry, Weakley	51 min
Mar 1, 8:16 PM CST	Flash Flood Warning	MEG	Dyer, Gibson, Obion, Weakley	5 hr
Mar 1, 8:41 PM CST	Severe Thunderstorm Warning	MEG	Shelby	34 min
Mar 1, 8:48 PM CST	Severe Thunderstorm Warning	MEG	Tipton	32 min
Mar 1, 9:05 PM CST	Severe Thunderstorm Warning	MEG	Haywood	45 min
Mar 1, 9:17 PM CST	Flash Flood Warning	MEG	Fayette, Haywood, Shelby, Tipton	3 hr
Mar 1, 10:03 PM CST	Flash Flood Warning	MEG	Shelby	4 hr
Mar 1, 10:36 PM CST	Flash Flood Warning	MEG	Chester, Hardeman, Madison	4 hr
Mar 1, 10:36 PM CST	Flash Flood Warning	MEG	Carroll, Henderson	4 hr
Mar 1, 10:47 PM CST	Severe Thunderstorm Warning	MEG	Fayette	33 min
Mar 1, 11:30 PM CST	Severe Thunderstorm Warning	MEG	Chester, Hardeman	35 min
Mar 2, 12:27 AM CST	Flash Flood Warning	MEG	Fayette	2 hr
Mar 2, 2:11 AM CST	Flash Flood Warning	MEG	McNairy	119 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.