Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 54, NWS Memphis, TN

March 1, 1997Yalobusha County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Mar 1, 1997, 2:08 AM CST for Yalobusha 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, 2:08 AM CST (08:08 UTC)
Expired
Mar 1, 1997, 2:40 AM CST
In force
32 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Yalobusha County, MS

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 8.1 hours before the alert went out and 92 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

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The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 29 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, 2:20 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
Mar 1, 5:28 AM CSTSevere Thunderstorm WarningMEGTippah32 min
Feb 28, 6:08 PM CSTSevere Thunderstorm WarningMEGCrockett32 min
Feb 28, 6:28 PM CSTSevere Thunderstorm WarningMEGTipton32 min
Feb 28, 6:35 PM CSTSevere Thunderstorm WarningMEGLauderdale35 min
Feb 28, 6:54 PM CSTSevere Thunderstorm WarningMEGFayette31 min
Mar 1, 12:35 AM CSTSevere Thunderstorm WarningMEGHardin35 min
Mar 1, 2:38 AM CSTFlash Flood WarningMEGChester92 min
Mar 1, 2:59 AM CSTTornado WarningMEGHardin21 min
Mar 1, 3:33 AM CSTFlash Flood WarningMEGFayette, Hardeman2 hr
Mar 1, 3:42 AM CSTFlash Flood WarningMEGMadison2 hr
Mar 1, 4:47 AM CSTFlash Flood WarningMEGHenderson2 hr
Mar 1, 9:09 AM CSTSevere Thunderstorm WarningMEGHenry31 min
Mar 1, 3:51 PM CSTSevere Thunderstorm WarningMEGHaywood34 min
Mar 1, 3:55 PM CSTSevere Thunderstorm WarningMEGCrockett35 min
Mar 1, 4:15 PM CSTTornado WarningMEGCrockett, Gibson35 min
Mar 1, 8:31 AM CSTTornado WarningMEGMississippi49 min
Mar 1, 1:58 PM CSTSevere Thunderstorm WarningMEGClay32 min
Mar 1, 3:59 PM CSTTornado WarningMEGLawrence46 min
Mar 1, 4:38 PM CSTTornado WarningMEGGreene32 min
Mar 1, 5:11 PM CSTTornado WarningMEGClay49 min
Mar 1, 5:19 PM CSTTornado WarningMEGCross, Poinsett46 min
Mar 1, 5:49 PM CSTTornado WarningMEGCraighead46 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.