Alert archive / Mississippi / Tornado Warnings in 1991

Tornado Warning 2, NWS Jackson, MS

February 22, 1991Montgomery County, Mississippi

NWS Jackson, MS issued this tornado warning at Feb 22, 1991, 11:40 AM CST for Montgomery County, Mississippi. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Feb 22, 1991, 11:40 AM CST (17:40 UTC)
Expired
Feb 22, 1991, 12:15 PM CST
In force
35 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Montgomery County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 5.7 hours before the alert went out and 138 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 1991-02-22Temperature 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 km15 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 1991-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
134 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 221744 COR
TORJAN
MSC097-221745-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING...CORRECTION...
NATIONAL WEATHER SERVICE JACKSON MS
1140 AM CST FRI FEB 22 1991

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1215 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN CENTRAL MISSISSIPPI

   ...MONTGOMERY COUNTY

AT 1135 AM JACKSON RADAR INDICATED A SEVERE THUNDERSTORM THAT CONTAIN
A POSSIBLE TORNADO APPROACHING KILMICHAEL ON HIGHWAY 82.

THIS STORM WAS MOVING NORTH NORTHWEST AT 30 MILES AN HOUR.

RADAR IS STILL INDICATING LARGE HAIL WITH THIS STORM.


IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS IN AN
INTERIOR ROOM ON THE LOWEST FLOOR.  GET UNjDER STURDY FURNITURE.
USE PILLOWS OR CUSHIONS TO COVER YOUR HEAD.
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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, Feb 22, 9:51 AM CST, 1 hour 49 minutes before
MSZ006-008-009-012-013-014-221730-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
950 AM CST FRI FEB 22 1991

AT 945AM ISOLATED STRONG THUNDERSTORMS WERE DEVELOPING OVER CENTRAL
AND SOUTHEAST MISSISSIPPI. THESE STORMS WERE LOCATED IN A WEDGE OF
VERY UNSTABLE AIR OVER THE SOUTHEASTERN COUNTIES AND ADDITIONAL
DEVELOPMENT IS LIKELY THROUGH THIS AFTERNOON. MOVEMENTS HAVE
BEEN TOWARD THE NORTHEAST AT 35 MILES AN HOUR.

THE STRONGEST STORMS WERE OVER SOUTHERN HOLMES COUNTY AND
IN CENTRAL SMITH COUNTY AND MAY CONTAIN GUSTY WINDS...VERY HEAVY
RAIN...SOME HAIL AND FREQUENT LIGHTNING. RESIDENTS IN THE LEXINGTON
AND RALEIGH COMMUNITIES SHOULD KEEP ALERT FOR THE NEXT HOUR AS
THESE STDORMS MOVE THROUGH AND BE READY TO TAKE SHELTER IF SEVERE
WEATHER IS SIGHTED OR A WARNING IS ISSUED.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 22, 11:14 AM CSTTornado WarningJANAttala26 min
Feb 22, 11:24 AM CSTSevere Thunderstorm WarningJANKemper36 min
Feb 22, 12:35 PM CSTFlash Flood WarningJANBolivar, Sunflower, Washington4 hr
Feb 22, 2:39 PM CSTSevere Thunderstorm WarningJANNeshoba51 min
Feb 22, 5:38 PM CSTFlash Flood WarningJANNoxubee6 hr
Feb 22, 5:50 PM CSTFlash Flood WarningJANBolivar, Sunflower, Washington4 hr

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; the sounding from the Mesonet's radiosonde archive.