Alert archive / Mississippi / Tornado Warnings in 1996

Tornado Warning 22, NWS New Orleans, LA

September 21, 1996Pearl River County, Mississippi

NWS New Orleans, LA issued this tornado warning at Sep 21, 1996, 8:12 AM CDT for Pearl River County, Mississippi. It was in force for 33 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
Sep 21, 1996, 8:12 AM CDT (13:12 UTC)
Expired
Sep 21, 1996, 8:45 AM CDT
In force
33 min
Issued by
NWS New Orleans, LA
Area
Whole counties

County Pearl River County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 1.2 hours before the alert went out and 59 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, Slidell Radar S, LA at 12:00Z on 1996-09-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2229 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, Slidell Radar S, LA at 12:00Z on 1996-09-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 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
2229 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
529 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
116 m²/s²
0-3 km storm-relative helicity
127 m²/s²
Significant tornado parameter
1.2
Supercell composite
7.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KNEW 211315
TORNEW
MSC109-211345-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
812 AM CDT SAT SEP 21 1996
 
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  845 AM CDT
FOR RESIDENTS IN THE FOLLOWING LOCATION...
 
IN SOUTH MISSISSIPPI
 
   ...SOUTHEAST PEARL RIVER COUNTY
 
AT 810 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH A
POSSIBLE TORNADO IN SOUTHEAST PEARL RIVER COUNTY...NEAR SAVANNAH. THE
THUNDERSTORM WAS MOVING EAST AT 25 MILES AN HOUR...AND THIS WILL MOVE
THE STORM TO NEAR SILVER RUN AROUND 840 AM BEFORE EXITING THE COUNTY.
 
PERSONS IN SOUTHEAST PEARL RIVER COUNTY SHOULD TAKE COVER NOW!

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 21, 9:21 AM CDTSevere Thunderstorm WarningLIXHarrison39 min

Nearby

Tornado Warnings in Mississippi, 1996Every tornado warning in 1996Tornadoes in 1996

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.