Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 129, NWS Memphis, TN

May 2, 1997Tallahatchie County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at May 2, 1997, 12:56 PM CDT for Tallahatchie County, Mississippi. It was in force for 49 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 2, 1997, 12:56 PM CDT (17:56 UTC)
Expired
May 2, 1997, 1:45 PM CDT
In force
49 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Tallahatchie County, MS

The radar

The Memphis radar (KNQA), 157 km from the middle of the area, began a volume at 17:57 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.

What was reported inside it

TimeReportWhereRemark
May 2, 1:30 PM CDTThunderstorm WindCharleston, MSSome power lines were blown down.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

IssuedProductOfficeLasted
May 2, 12:15 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 5.9 hours before the alert went out and 100 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 1997-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 496 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 1997-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 534 square meters per square second.19395878Sfc1 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
496 J/kg
Mixed-layer CIN
-404 J/kg
Mixed-layer LCL
733 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
534 m²/s²
0-3 km storm-relative helicity
701 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMEM 021758 RRA
SVRMEM
MSC135-021845-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
1256 PM CDT FRI MAY 2 1997

THE NATIONAL WEATHER SERVICE IN MEMPHIS TN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 145 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHWESTERN MISSISSIPPI

   ...TALLAHATCHIE COUNTY
 
AT 1254 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 7
MILES SOUTHWEST OF CHARLESTON MOVING NORTHEAST AT 50 MPH. THE STORM
WILL PASS OVER CHARLESTON BY 105...AND THEN AFFECT OAKLAND BY 120
PM. LARGE HAIL AND DAMAGING WINDS ARE LIKELY WITH THIS STORM.

.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, May 2, 11:20 AM CDT, 1 hour 36 minutes before
MOZ113-115-TNZ001>102-022200-

SEVERE WEATHER OUTLOOK FOR TENNESSEE AND THE MISSOURI BOOTHEEL
NATIONAL WEATHER SERVICE MEMPHIS TN
1120 AM CDT FRI MAY 2 1997

...SEVERE WEATHER POSSIBLE ACROSS THE MISSOURI BOOTHEEL AND MUCH OF
TENNESSEE THIS AFTERNOON AND TONIGHT...

A SIGNIFICANT OUTBREAK OF SEVERE WEATHER IS POSSIBLE THIS AFTERNOON
AND TONIGHT ACROSS THE MISSOURI BOOTHEEL AND MUCH OF TENNESSEE. LARGE
HAIL..DAMAGING WINDS AND A FEW TORNADOES ARE EXPECTED WITH THIS SYSTEM.

THE AREA OF GREATEST CONCERN WILL BE DURING THE AFTERNOON AND EVENING
ACROSS THE WEST HALF OF TENNESSEE..INCLUDING AREAS SUCH AS NASHVILLE..
MEMPHIS..JACKSON AND DYERSBURG. THE STORMS WILL MOVE EAST ACROSS THE
STATE OVERNIGHT.

LOW PRESSURE WAS FORMING OVER MISSOURI THIS MORNING..AND WILL TRACK
ACROSS THE MISSISSIPPI RIVER VALLEY INTO THE LOWER GREAT LAKES OVERNIGHT.
AN ASSSOCIATED COLD FRONT WILL MOVE INTO WEST TENNESSEE THIS EVENING AND
AND MOVE ACROSS TENNESSEE OVERNIGHT. THUNDERSTORMS WILL DEVELOP
AHEAD OF THE COLD FRONT IN ARKANSAS THIS AFTERNOON..MOVING INTO WEST
TENNESSEE BY EVENING..THEN EASTWARD ACROSS THE STATE OVERNIGHT.

SPOTTER ACTIVATION WILL LIKELY BE REQUIRED ACROSS PORTIONS OF THE
MISSOURI BOOTHEEL AND TENNESSEE THIS AFTERNOON AND TONIGHT.

THIS IS A POTENTIALLY DANGEROUS SITUATION. PERSONS ACROSS THE MISSOURI
BOOTHEEL AND TENNESSEE SHOULD REVIEW SEVERE WEATHER SAFETY RULES AND
LISTEN TO RADIO..TV..OR NOAA WEATHER RADIO FOR LATER STATEMENTS AND
POSSIBLE WATCHES AND WARNINGS.
Special weather statement, May 2, 11:30 AM CDT, 1 hour 26 minutes before
MOZ113-115-TNZ001>102-022200-

SEVERE WEATHER OUTLOOK FOR TENNESSEE AND THE MISSOURI BOOTHEEL
NATIONAL WEATHER SERVICE MEMPHIS TN
1120 AM CDT FRI MAY 2 1997

...SEVERE WEATHER POSSIBLE ACROSS THE MISSOURI BOOTHEEL AND MUCH OF
TENNESSEE THIS AFTERNOON AND TONIGHT...

A SIGNIFICANT OUTBREAK OF SEVERE WEATHER IS POSSIBLE THIS AFTERNOON
AND TONIGHT ACROSS THE MISSOURI BOOTHEEL AND MUCH OF TENNESSEE. LARGE
HAIL..DAMAGING WINDS AND A FEW TORNADOES ARE EXPECTED WITH THIS SYSTEM.

THE AREA OF GREATEST CONCERN WILL BE DURING THE AFTERNOON AND EVENING
ACROSS THE WEST HALF OF TENNESSEE..INCLUDING AREAS SUCH AS NASHVILLE..
MEMPHIS..JACKSON AND DYERSBURG. THE STORMS WILL MOVE EAST ACROSS THE
STATE OVERNIGHT.

LOW PRESSURE WAS FORMING OVER MISSOURI THIS MORNING..AND WILL TRACK
ACROSS THE MISSISSIPPI RIVER VALLEY INTO THE LOWER GREAT LAKES OVERNIGHT.
AN ASSSOCIATED COLD FRONT WILL MOVE INTO WEST TENNESSEE THIS EVENING AND
AND MOVE ACROSS TENNESSEE OVERNIGHT. THUNDERSTORMS WILL DEVELOP
AHEAD OF THE COLD FRONT IN ARKANSAS THIS AFTERNOON..MOVING INTO WEST
TENNESSEE BY EVENING..THEN EASTWARD ACROSS THE STATE OVERNIGHT.

SPOTTER ACTIVATION WILL LIKELY BE REQUIRED ACROSS PORTIONS OF THE
MISSOURI BOOTHEEL AND TENNESSEE THIS AFTERNOON AND TONIGHT.

THIS IS A POTENTIALLY DANGEROUS SITUATION. PERSONS ACROSS THE MISSOURI
BOOTHEEL AND TENNESSEE SHOULD REVIEW SEVERE WEATHER SAFETY RULES AND
LISTEN TO RADIO..TV..OR NOAA WEATHER RADIO FOR LATER STATEMENTS AND
POSSIBLE WATCHES AND WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 11:50 AM CDTSevere Thunderstorm WarningMEGTallahatchie35 min
May 2, 12:16 PM CDTSevere Thunderstorm WarningMEGPanola44 min
May 2, 12:47 PM CDTSevere Thunderstorm WarningMEGMarshall48 min
May 2, 3:06 PM CDTSevere Thunderstorm WarningMEGPrentiss49 min
May 2, 3:12 PM CDTSevere Thunderstorm WarningMEGItawamba, Lee33 min
May 2, 3:22 PM CDTSevere Thunderstorm WarningMEGTishomingo33 min
May 2, 3:25 PM CDTSevere Thunderstorm WarningMEGClay35 min
May 2, 3:30 PM CDTSevere Thunderstorm WarningMEGMonroe50 min
May 2, 3:45 PM CDTSevere Thunderstorm WarningMEGItawamba35 min
May 2, 5:41 PM CDTSevere Thunderstorm WarningMEGCalhoun34 min
May 2, 5:47 PM CDTSevere Thunderstorm WarningMEGChickasaw, Clay48 min
May 2, 6:04 PM CDTTornado WarningMEGChickasaw, Clay31 min
May 2, 6:20 PM CDTTornado WarningMEGMonroe30 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.