Alert archive / Mississippi / Tornado Warnings in 1991

Tornado Warning 31, NWS Jackson, MS

December 2, 1991Lawrence County, Lincoln County, Simpson County, Mississippi

NWS Jackson, MS issued this tornado warning at Dec 2, 1991, 3:50 PM CST for Lawrence County, Lincoln County, Simpson County, Mississippi. It was in force for 40 min. 5 reports 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
Dec 2, 1991, 3:50 PM CST (21:50 UTC)
Expired
Dec 2, 1991, 4:30 PM CST
In force
40 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Lawrence County, MS, Lincoln County, MS, Simpson County, MS

What was reported inside it

TimeReportWhereRemark
Dec 2, 3:55 PM CSTThunderstorm Wind 0Simpson, MS
Dec 2, 3:55 PM CSTThunderstorm Wind 0Lincoln, MS
Dec 2, 4:00 PM CSTThunderstorm Wind 0Simpson, MS
Dec 2, 4:10 PM CSTThunderstorm Wind 0Lawrence, MS
Dec 2, 4:30 PM CSTThunderstorm Wind 0Simpson, MS

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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.8 hours before the alert went out and 73 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, Jackson, MS at 12:00Z on 1991-12-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 1991-12-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
511 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
301 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

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 tornado 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, Dec 2, 2:22 PM CST, 1 hour 28 minutes before
MSZ002-006-003-008-010-011-022100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
220 PM CST MON DEC 2 1991

   ...THUNDERSTORMS STRENGTHENING OVER SOUTH MISSISSIPPI...

AT 220 PM CST WEATHER SERVICE RADAR IN JACKSON INDICATED THAT
THUNDERSTORMS WERE INTENSIFYING OVER SOUTHWEST MISSISSIPPI. THE STRONGEST
STORM WAS MOVIMG INTO FRANKLIN COUNTY MOVING TOWARDS MEADVILLE AND BUDE.
IF THIS STORM CONTINUES TO STRENGTHEN...A WARNING MAY HAVE TO BE ISSUED.

OTHER INTENSIFYING STORMS WERE LOCATED NEAR PORT GIBSON AND JUST EAST
OF FAYETTE. THE STORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR.

A TORNADO WATCH REMAINS IN EFFECT FOR A LARGE PART OF MISSISSIPPI TIL
7 PM CST. THE WATCH INFCLUDES ALL OF MISSISSIPPI WEST OF A LINE FROM
COLUMBIA TO COLUMBUS.
Special weather statement, Dec 2, 2:36 PM CST, 1 hour 14 minutes before
MSZALL-ARZ014>016-LAZ002-003-004-006-009-010-013-
ALZ004-008-013-016-022130-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
230 PM CST MON DEC 2 1991

 ...TORNADO WATCH TIL 7 PM CST FOR A LARGE PART OF MISSISSIPPI...

AT 230 PM CST WEATHER SERVICE RADAR IN JACKSON INDICATED THAT
THUNDERSTORMS WERE INTENSIFYING OVER SOUTHWEST AND WEST CENTRAL
MISSISSIPPI. THE STRONGEST STORM WAS MOVING INTO FRANKLIN COUNTY. THIS
STORM WILL AFFECT THE TOWNS OF BUDE AND MEADVILLE BY 3 PM. OTHER STORMS
WERE GAINING STRENGTH WERE NEAR FAYETTE AND PORT GIBSON. THE STORMS
WERE MOVING NORTHEAST AT 35 MILES AN HOUR.

ELSEWHERE RAIN AND THUNDERSTORMS WITH HEAVY RAIN COVERD THE WESTERN
THIRD OF MISSISSIPPI. SOME OF THE HEAVIEST RAINFALL WAS OCCURRING
AROUND HOLLY BLUFF AND ROLLING FORK AND BETWEEN GREENVILLE AND
CHARLESTON.
Special weather statement, Dec 2, 2:41 PM CST, 1 hour 9 minutes before
MSZ009-012-022245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MERIDIAN MS
240 PM CST MON DEC 2 1991

...TORNADO WATCH NUMBER 831 IN EFFECT FOR MOST OF MISSISSIPPI UNTIL
700 PM THIS EVENING...

AT 230 PM SCATTERED SHOWERS AND THUNDERSTORMS WERE OVER PORTIONS OF
NORTH CENTRAL AND EAST CENTRAL MISSISSIPPI.  NO SEVERE WEATHER WAS
INDICATED.  A LARGE AREA OF THUNDERSTORMS WAS LOCATED OVER SOUTHWEST
...WESTERN AND NORTHERN MISSISSIPPI.  THE vSTRONGEST THUNDERSTORMS WERE
IN THE SOUTHWESTERN PORTION OF THE STATE.

THE THUNDERSTORM ACTIVITY IS MOVING TO THE NORTHEAST AT 30 MPH AND
WILL BE MOVING INTO EAST CENTRAL AND NORTH CENTRAL MISSISSIPPI LATER
THIS AFTERNOON.

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 2, 3:27 PM CSTSevere Thunderstorm WarningJANCopiah, Lincoln48 min
Dec 2, 4:27 PM CSTTornado WarningJANCovington, Simpson, Smith33 min
Dec 2, 4:50 PM CSTTornado WarningJANNeshoba, Newton40 min
Dec 2, 5:07 PM CSTTornado WarningJANJasper53 min
Dec 2, 5:22 PM CSTTornado WarningJANKemper53 min
Dec 2, 5:37 PM CSTTornado WarningJANLauderdale53 min

Nearby

Tornado Warnings in Mississippi, 1991Every tornado warning in 1991Tornadoes in 1991

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.