Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 56, NWS Memphis, TN

March 1, 1997Tippah County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Mar 1, 1997, 5:28 AM CST for Tippah 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, 5:28 AM CST (11:28 UTC)
Expired
Mar 1, 1997, 6:00 AM CST
In force
32 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Tippah County, MS

The radar

The Memphis radar (KNQA), 109 km from the middle of the area, began a volume at 11:30 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.

IssuedProductOfficeLasted
Mar 1, 1:00 AM CSTTornado WatchSPC5 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 11.5 hours before the alert went out and 95 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 011128 RRA
SVRMEM
MSC139-011200-

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

THE NATIONAL WEATHER SERVICE IN MEMPHIS TN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHEASTERN MISSISSIPPI

   ...TIPPAH COUNTY
 
AT 524 AM CST...A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
WEATHER RADAR 3 MILES SOUTHWEST OF FALKNER MOVING NORTHEAST AT 40
MPH.

THIS STORM WILL PASS NEAR FALKNER BY 529 AM CST AND WALNUT BY 535
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, Mar 1, 4:21 AM CST, 1 hour 7 minutes before
TNZ001-002-019-048-049-011055-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
421 AM CST SAT MAR 1 1997

...TORNADO WATCH NUMBER 74 HAS BEEN CLEARED FOR A SMALL PART OF
NORTHWEST TENNESSEE...

THE THREAT OF SEVERE WEATHER HAS ENDED ACROSS THE NORTHWEST CORNER
OF TENNESSEE. THE FOLLOWING COUNTIES HAVE BEEN CLEARED FROM TORNADO
WATCH NUMBER 74 - LAKE...OBION...DYER...LAUDERDALE...TIPTON. THE
REMAINDER OF WEST AND MUCH OF MIDDLE TENNESSEE REMAIN UNDER A
TORNADO WATCH UNTIL 6 AM THIS MORNING. STAY TUNED TO THIS STATION
FOR LATER STATEMENTS.

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, 2:33 AM CSTSevere Thunderstorm WarningMEGTishomingo32 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

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; radar from the NEXRAD Level II archive.