Alert archive / Mississippi / Tornado Watches in 1997

Tornado Watch 86

March 2, 1997Choctaw County, Alabama; 17 parishes in Louisiana; 42 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Mar 2, 1997, 1:15 PM CST for Choctaw County, Alabama; 17 parishes in Louisiana; 42 counties in Mississippi. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Mar 2, 1997, 1:15 PM CST (19:15 UTC)
Expired
Mar 2, 1997, 7:00 PM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 60 counties

Choctaw County, AL, Avoyelles Parish, LA, Caldwell Parish, LA, Catahoula Parish, LA, Concordia Parish, LA, East Carroll Parish, LA, East Feliciana Parish, LA, Franklin Parish, LA, Lafayette Parish, LA, LaSalle Parish, LA, Madison Parish, LA, Ouachita Parish, LA, Pointe Coupee Parish, LA, Richland Parish, LA, Saint Helena Parish, LA, Saint Landry Parish, LA, Tensas Parish, LA, West Feliciana Parish, LA, Adams County, MS, Amite County, MS, Attala County, MS, Choctaw County, MS, Claiborne County, MS, Clarke County, MS, Clay County, MS, Copiah County, MS, Covington County, MS, Franklin County, MS, Hinds County, MS, Holmes County, MS, Issaquena County, MS, Jasper County, MS, Jefferson County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Lincoln County, MS, Lowndes County, MS, Madison County, MS, Marion County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Pike County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Simpson County, MS, Smith County, MS, Walthall County, MS, Warren County, MS, Wayne County, MS, Wilkinson County, MS, Winston County, MS, Yazoo County, MS

Warnings issued inside it

7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Mar 2, 3:56 PM CSTSevere Thunderstorm WarningJANHolmes49 min
Mar 2, 4:16 PM CSTSevere Thunderstorm WarningJANAttala44 min
Mar 2, 4:57 PM CSTSevere Thunderstorm WarningJANChoctaw48 min
Mar 2, 5:17 PM CSTSevere Thunderstorm WarningJANYazoo43 min
Mar 2, 5:46 PM CSTSevere Thunderstorm WarningJANHolmes44 min
Mar 2, 6:17 PM CSTFlash Flood WarningJANYazoo3 hr
Mar 2, 6:51 PM CSTFlash Flood WarningJANCarroll, Holmes3 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 7.3 hours before the alert went out and 56 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 1997-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 667 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, Jackson, MS at 12:00Z on 1997-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 174 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
667 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
599 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
174 m²/s²
0-3 km storm-relative helicity
202 m²/s²
Significant tornado parameter
0.7
Supercell composite
3.3

Open this sounding in Storm Lab

The text

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

997 
WWUS9 KMKC 021853
SEL6  
MKC WW 021853
MSZ000-LAZ000-030100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 86
STORM PREDICTION CENTER NORMAN OK
1253 PM CST SUN MAR 2 1997

A...THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR

   PARTS OF SOUTHERN AND CENTRAL MISSISSIPPI                      
   PARTS OF EASTERN LOUISIANA                          

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING UNTIL 700 PM CST.

THIS IS A PARTICULARLY DANGEROUS SITUATION WITH THE POSSIBILITY OF
VERY DAMAGING TORNADOES.  ALSO...LARGE HAIL...DANGEROUS LIGHTNING
AND DAMAGING THUNDERSTORM WINDS CAN BE EXPECTED.


THE TORNADO WATCH AREA IS ALONG AND 80 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 60 MILES WEST SOUTHWEST OF NATCHEZ MISSISSIPPI
TO 45 MILES NORTHEAST OF MERIDIAN MISSISSIPPI.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. 
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.
$$

C...TORNADOES AND A FEW SVR TSTMS WITH HAIL SFC AND ALF TO 1 3/4
INCHES.  EXTRM TURBC AND SFC WIND GUSTS TO 80 KNOTS.  A FEW CBS
WITH MAX TOPS TO 500.  MEAN WIND VECTOR 24045.

D...UNSEASONABLY MOIST UNSTABLE AIR MASS EXTENDS ALONG SURFACE
BOUNDARY WITH CAPES 1500 TO 2500 J/KG. WIND SHEAR AND SYNOPTIC
FORCING WILL INCREASE AS STRONG UPPER VORT AXIS APPROACHES FROM THE
WEST. MID LEVEL FLOW INCREASING TO NEAR 80 KTS COMBINED WITH 40 TO
50 KT DEVELOPING LOW LEVEL JET WILL RESULT IN HIGH RISK OF TORNADIC
SUPERCELLS AND DAMAGING DOWNBURSTS.

E...OTR TSTMS...  CONT..WW 85..

...ROGASH

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 2, 4:00 PM CSTTornado WatchSPCChoctaw, Sumter6 hr
Mar 2, 9:45 AM CSTTornado WatchSPCAcadia, Allen, Beauregard, Bienville, Calcasieu, Cameron and 15 more6 hr
Mar 1, 9:00 PM CSTTornado WatchSPCAlcorn, Benton, Bolivar, Calhoun, Coahoma, DeSoto and 19 more6 hr

Nearby

Tornado Watches in Mississippi, 1997Tornado Watches in Louisiana, 1997Tornado Watches in Alabama, 1997Every tornado watch 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.