Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 55, NWS Memphis, TN

March 1, 1997Tishomingo County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Mar 1, 1997, 2:33 AM CST for Tishomingo County, Mississippi. It was in force for 32 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 1, 1997, 2:33 AM CST (08:33 UTC)
Expired
Mar 1, 1997, 3:05 AM CST
In force
32 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Tishomingo County, MS

The watch it was issued in

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

IssuedProductOfficeLasted
Mar 1, 1:00 AM CSTTornado WatchSPC5 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 8.6 hours before the alert went out and 157 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 00:00Z on 1997-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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 00:00Z on 1997-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 285 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
3 J/kg
Mixed-layer CIN
-249 J/kg
Mixed-layer LCL
490 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
285 m²/s²
0-3 km storm-relative helicity
344 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 010833 RRA
SVRMEM
MSC141-010905-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
233 AM CST SAT MAR 1 1997

THE NATIONAL WEATHER SERVICE IN MEMPHIS TN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 305 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHEASTERN MISSISSIPPI

   ...NORTHERN TISHOMINGO COUNTY
 
AT 232 AM CST...A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
WEATHER RADAR 6 MILES WEST OF IUKA MOVING NORTHEAST AT 40 MPH.

THIS STORM WILL PASS NEAR PINE FLAT BY 235 AM CST.

.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.

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

Special weather statement, Feb 28, 9:39 PM CST, 4 hours 54 minutes before
TNZ001>007-019>026-048>058-088>093-010445-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
939 PM CST FRI FEB 28 1997

...SEVERE THUNDERSTORM WATCH NUMBER 73 CANCELLED FOR TENNESSEE...

SEVERE THUNDERSTORM WATCH NUMBER 73 FOR WEST TENNESSEE AND WESTERN
PARTS OF MIDDLE TENNESSEE HAS BEEN CANCELLED.

THUNDERSTORMS HAVE MOVED NORTHWARD OUT OF TENNESSEE AND INTO WESTERN
KENTUCKY OR HAVE DIMINISHED AND DECREASED IN NUMBER OVER TENNESSEE
DURING THE LAST HOUR.

A WARM FRONT THAT HELPED TRIGGER THE STRONG THUNDERSTORMS HAS MOVED
NORTHWARD ACROSS WEST TENNESSEE AND IS NOW MOVING ACROSS WESTERN
KENTUCKY.

THERE IS NO LONGER ANY THREAT OF SEVERE WEATHER IN TENNESSEE.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 1, 12:41 AM CSTSevere Thunderstorm WarningMEGCalhoun, Pontotoc49 min
Mar 1, 12:44 AM CSTTornado WarningMEGCalhoun, Pontotoc51 min
Mar 1, 1:09 AM CSTTornado WarningMEGLee, Union31 min
Mar 1, 2:08 AM CSTSevere Thunderstorm WarningMEGYalobusha32 min
Mar 1, 2:20 AM CSTTornado WarningMEGYalobusha35 min
Mar 1, 2:35 AM CSTTornado WarningMEGCalhoun35 min
Mar 1, 2:41 AM CSTTornado WarningMEGTishomingo19 min
Mar 1, 2:49 AM CSTTornado WarningMEGLafayette31 min
Mar 1, 3:04 AM CSTTornado WarningMEGPontotoc, Union51 min
Mar 1, 5:28 AM CSTSevere Thunderstorm WarningMEGTippah32 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 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.