Alert archive / Mississippi / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 21, NWS Jackson, MS

March 2, 1991Neshoba County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 2, 1991, 3:48 PM CST for Neshoba County, Mississippi. It was in force for 42 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
Mar 2, 1991, 3:48 PM CST (21:48 UTC)
Expired
Mar 2, 1991, 4:30 PM CST
In force
42 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Neshoba County, MS

What was reported inside it

TimeReportWhereRemark
Mar 2, 4:20 PM CSTHail 0.75Neshoba, 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 102 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 1991-03-02Temperature 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 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 1991-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -34 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
1217 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
-34 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMEI 022149
SVRMEI
MSC099-022230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MERIDIAN MS
348 PM CST SAT MAR 2 1991
 
THE NATIONAL WEATHER SERVICE IN MERIDIAN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL MISSISSIPPI
 
   ...NESHOBA COUNTY
 
AT 345 PM CST RADAR INDICATED A SEVERE THUNDERSTORM 15 SOUTHWEST OF
PHILDELPHIA MISSISSIPPI. IT WAS MOVING NORTHEAST AT 30 MPH.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

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 2, 12:12 PM CST, 3 hours 36 minutes before
MSZALL-022100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1210 PM CST SAT MAR 2 1991

...THREAT OF SEVERE WEATHER LATER TODAY...

AT EARLY AFTERNOON...A COLD FRONT STRETCHED FROM ACROSS EASTERN
ARKANSAS INTO EAST TEXAS WHERE LOW PRESSURE WAS RAPIDLY DEEPENING.
ACROSS MISSISSIPPI...SOUTHERLY WINDS CONTINUED TO BRING ABUNDANT
GULF MOISTURE AND TEMPERATURES WERE IN THE 70S.  THE COMBINATION
OF THE UNSTABLE AIR MASS OVER MISSISSIPPI...THE APPROACHING LOW
PRESSURE SYSTEM AND INCREASING WINDS ALOFT WILL BE FAVORABLE FOR
NUMEROUS THUNDERSTORMS TO DEVELOP OVER MISSISSIPPI THIS AFTERNOON
AND EVENING.  SOME OF THE STORMS COULD BECOME SEVERE...ESPECIALLY OVER
THE SOUTH HALF OF MISSISSIPPI.

RESIDENTS OF THE MAGNOLIA STATE ARE ADVISED TO BE WEATHER ALERT
AND KEEP UPDATED TO THE LATEST INFORMATION ABOUT THIS SEVERE WEATHER
THREAT.
Special weather statement, Mar 2, 3:20 PM CST, 28 minutes before
MSC099-101-022315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MERIDIAN MS
319 PM CST SAT MAR 2 1991

AT 316 PM CST RADAR SHOWED A 15 MILE WIDE AREA OF SCATTERED INTENSE
THUNDERSTORMS THAT EXTENDED FROM 15 MILES SOUTHEAST OF PHILADELPHIA
TO 20 MILES WEST OF JACKSON. THEY WERE MOVING EAST AT 35 MPH.

SOME OF THESE STORM ARE PRODUCING VERY HEAVY RAINFALL...GUSTY
WINDS...AND FREQUENT LIGHTNING STRIKES.

ALL OF YOU IN NESHOBA AND NEWTON CxOUNTIES OF EAST CENTRAL MISSISSIPPI
SHOULD EXPECT THUNDERSTORMS FOR AT LEAST THE NEXT 1 TO 2 HOURS.
Special weather statement, Mar 2, 3:23 PM CST, 25 minutes before
MSZ009-022315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MERIDIAN MS
319 PM CST SAT MAR 2 1991

AT 316 PM CST RADAR SHOWED A 15 MILE WIDE AREA OF SCATTERED INTENSE
THUNDERSTORMS THAT EXTENDED FROM 15 MILES SOUTHEAST OF PHILADELPHIA
TO 20 MILES WEST OF JACKSON. THEY WERE MOVING EAST AT 35 MPH.

SOME OF THESE STORM ARE PRODUCING VERY HEAVY RAINFALL...GUSTY
WINDS...AND FREQUENT LIGHTNING STRIKES.

ALL OF YOU IN NESHOBA AND NEWTON COUNT}IES OF EAST CENTRAL MISSISSIPPI
SHOULD EXPECT THUNDERSTORMS FOR AT LEAST THE NEXT 1 TO 2 HOURS.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 2:32 PM CSTSevere Thunderstorm WarningJANHinds43 min
Mar 2, 3:16 PM CSTSevere Thunderstorm WarningJANHinds44 min
Mar 2, 3:32 PM CSTSevere Thunderstorm WarningJANRankin, Scott43 min
Mar 2, 3:32 PM CSTSevere Thunderstorm WarningJANLeake43 min
Mar 2, 3:59 PM CSTSevere Thunderstorm WarningJANNoxubee, Winston31 min
Mar 2, 4:21 PM CSTSevere Thunderstorm WarningJANKemper54 min
Mar 2, 4:36 PM CSTSevere Thunderstorm WarningJANNoxubee54 min
Mar 2, 4:36 PM CSTSevere Thunderstorm WarningJANNeshoba54 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1991Every severe thunderstorm warning 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.