Alert archive / Louisiana / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 252, NWS Jackson, MS

April 22, 1996Tensas Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at Apr 22, 1996, 4:15 PM CDT for Tensas Parish, Louisiana. It was in force for 45 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
Apr 22, 1996, 4:15 PM CDT (21:15 UTC)
Expired
Apr 22, 1996, 5:00 PM CDT
In force
45 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Tensas Parish, LA

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.3 hours before the alert went out and 124 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 1996-04-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 191 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 1996-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.193958Sfc1 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
191 J/kg
Mixed-layer CIN
-159 J/kg
Mixed-layer LCL
1631 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
160 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 222115
SVRJAN
LAC107-222200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
415 PM CDT MON APR 22 1996
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  500 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST LOUISIANA
 
   ...TENSAS PARISH
 
JACKSON WEATHER RADAR INDICATES A SEVERE THUNDERSTORM 7 MILES SOUTHWEST
OF WATERPROOF MOVING NORTHEAST AT 35 MPH. THIS THUNDERSTORM MAY CONTAIN
LARGE HAIL. THIS SEVERE THUNDERSTORM WILL MOVE TO THE NORTH OF
WATERPROOF TO NEAR SAINT JOSEPH BY 430 PM.
 
IF YOU ARE OUTSIDE...SEEK SHELTER IN A STRONG BUILDING AWAY FROM
WINDOWS.  DAMAGING WINDS...LHARGE HAIL...VERY HEAVY RAIN...AND
DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
<

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, Apr 22, 11:03 AM CDT, 5 hours 12 minutes before
MSZ001>082-230400-

MISSISSIPPI THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1103 AM CDT MON APR 22 1996

...MODERATE RISK OF SEVERE THUNDERSTORMS FOR MUCH OF MISSISSIPPI...

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS GENERALLY NORTHWEST
OF A MCCOMB TO LAUREL TO COLUMBUS LINE FOR THIS AFTERNOON AND TONIGHT.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS SOUTHEAST
MISSISSIPPI FOR THIS AFTERNOON AND TONIGHT.

A COLD FRONT THIS MORNING WAS LOCATED ACROSS WESTERN MISSOURI...EASTERN
OKLAHOMA AND NORTHWEST TEXAS. NUMEROUS SEVERE THUNDERSTORMS FIRED ALONG
THE FRONT ACROSS TEXAS...OKLAHOMA AND WESTERN ARKANSAS LAST NIGHT.
SOUTHERLY WINDS WERE TRANSPORTING ABUNDANT GULF MOISTURE NORTH ACROSS
THE LOWER MISSISSIPPI VALLEY...AHEAD OF THE FRONT. THE ATMOSPHERE WILL
BECOME MORE UNSTABLE ACROSS THE STATE THIS AFTERNOON AND TONIGHT. THE
NORTHWEST HALF OF MISSISSIPPI WILL SEE SCATTERED THUNDERSTORMS DEVELOP
THIS AFTERNOON. A FEW OF THESE STORMS MAY BECOME SEVERE.

NUMEROUS THUNDERSTORMS ARE EXPECTED ACROSS MISSISSIPPI TONIGHT
AS THE COLD FRONT MOVES SOUTHEAST ACROSS THE STATE. SOME OF THESE
STORMS WILL BE SEVERE.

AT THE PRESENT TIME...IT APPEARS AS THOUGH THE MAIN SEVERE WEATHER
THREAT WILL BE LARGE HAIL AND DAMAGING WINDS...HOWEVER...ISOLATED
TORNADOES WILL ALSO BE POSSIBLE.

ACTIVATION OF EMERGENCY MANAGEMENT...HAM RADIO AND SPOTTER PERSONNEL
WILL LIKELY BE REQUIRED BY LATER THIS AFTERNOON AND TONIGHT.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 22, 2:17 PM CDTSevere Thunderstorm WarningJANCatahoula28 min
Apr 22, 3:12 PM CDTSevere Thunderstorm WarningJANFranklin48 min
Apr 22, 4:23 PM CDTTornado WarningJANMadison52 min
Apr 22, 6:50 PM CDTSevere Thunderstorm WarningJANTensas40 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1996Every severe thunderstorm warning 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.