Alert archive / Louisiana / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 430, NWS Jackson, MS

November 7, 1996East Carroll Parish, Madison Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at Nov 7, 1996, 8:57 AM CST for East Carroll Parish, Madison Parish, Louisiana. It was in force for 48 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
Nov 7, 1996, 8:57 AM CST (14:57 UTC)
Expired
Nov 7, 1996, 9:45 AM CST
In force
48 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties East Carroll Parish, LA, Madison Parish, LA

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 3.0 hours before the alert went out and 112 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 1996-11-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1058 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 1996-11-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 200 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
1058 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
627 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
200 m²/s²
0-3 km storm-relative helicity
223 m²/s²
Significant tornado parameter
1.2
Supercell composite
5.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 071458 RRA
SVRJAN
LAC035-065-071545-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
857 AM CST THU NOV 7 1996
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  945 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST LOUISIANA
 
   ...EAST CARROLL PARISH...MADISON PARISH
 
AT 855 AM A SEVERE THUNDERSTORM WAS LOCATED NEAR DELHI MOVING EAST
AT 45 MPH. THIS STORM WILL REACH TRANSLYVANIA BY 915 AM.
 
SEVERE THUNDERSTORMS PRODUCE WIND IN EXCESS OF 55 MPH...LARGE
HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.  MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
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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, Nov 7, 4:30 AM CST, 4 hours 27 minutes before
MSZ001>082-071630-

MISSISSIPPI THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
430 AM CST THU NOV 7 1996

...SEVERE THUNDERSTORMS POSSIBLE WEST THIS MORNING...EAST BY AFTERNOON

INCREASING SOUTHERLY WINDS WERE SETTING THE STAGE FOR STRONG THUNDER-
STORM DEVELOPMENT EARLY TODAY.  A DESTABLIZING ATMOSPHERE AND A RAPIDLY
APPROACHING UPPER LEVEL DISTURBANCE WILL COMBINE WITH STRONG LOW LEVEL
WIND FIELDS TO CREATE FAVORABLE CONDITIONS FOR SEVERE THUNDERSTORMS.

A LINE OF THUNDERSTORMS IN WESTERN LOUISIANA WILL PROGRESS EASTWARD
TO NEAR THE MISSISSIPPI RIVER BETWEEN 900 AM AND NOON. THESE STORMS
HAVE ALREADY REQUIRED SEVERE WEATHER WATCHES TO BE POSTED WEST OF THE
MAGNOLIA STATE. LOCALIZED FLOOD-PRODUCING RAINS ARE POSSIBLE MAINLY FOR
NORTHERN COUNTIES. HOWEVER...DAMAGING WINDS INCLUDING ISOLATED TORNADOES
ARE THE MOST LIKELY THREAT OF SEVERE WEATHER AS THE SYSTEM CROSSES INTO
EAST MISSISSIPPI THIS AFTERNOON. RESIDENTS SHOULD LISTEN FOR LATER
WATCHES...WARNINGS AND STATEMENTS ON THIS STORM SYSTEM.

ACTIVATION OF EMERGENCY MANAGEMENT...STORM SPOTTERS AND HAM RADIO
PERSONNEL WILL LIKELY BE REQUIRED ANY TIME AFTER SUNRISE.
Special weather statement, Nov 7, 4:44 AM CST, 4 hours 13 minutes before
MSZ001>082-071630-

MISSISSIPPI THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
430 AM CST THU NOV 7 1996

...SEVERE THUNDERSTORMS POSSIBLE WEST THIS MORNING...EAST BY AFTERNOON

INCREASING SOUTHERLY WINDS WERE SETTING THE STAGE FOR STRONG THUNDER-
STORM DEVELOPMENT EARLY TODAY.  A DESTABLIZING ATMOSPHERE AND A RAPIDLY
APPROACHING UPPER LEVEL DISTURBANCE WILL COMBINE WITH STRONG LOW LEVEL
WIND FIELDS TO CREATE FAVORABLE CONDITIONS FOR SEVERE THUNDERSTORMS.

A LINE OF THUNDERSTORMS IN WESTERN LOUISIANA WILL PROGRESS EASTWARD
TO NEAR THE MISSISSIPPI RIVER BETWEEN 900 AM AND NOON. THESE STORMS
HAVE ALREADY REQUIRED SEVERE WEATHER WATCHES TO BE POSTED WEST OF THE
MAGNOLIA STATE. LOCALIZED FLOOD-PRODUCING RAINS ARE POSSIBLE MAINLY FOR
NORTHERN COUNTIES. HOWEVER...DAMAGING WINDS INCLUDING ISOLATED TORNADOES
ARE THE MOST LIKELY THREAT OF SEVERE WEATHER AS THE SYSTEM CROSSES INTO
EAST MISSISSIPPI THIS AFTERNOON. RESIDENTS SHOULD LISTEN FOR LATER
WATCHES...WARNINGS AND STATEMENTS ON THIS STORM SYSTEM.

ACTIVATION OF EMERGENCY MANAGEMENT...STORM SPOTTERS AND HAM RADIO
PERSONNEL WILL LIKELY BE REQUIRED ANY TIME AFTER SUNRISE.
Special weather statement, Nov 7, 8:57 AM CST, 0 minutes before
MSZ001>082-081200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
500 PM CDT THU NOV 7 1996

...COLD WEATHER IN STORE FOR MISSISSIPPI THIS WEEKEND...

A VIGOROUS COLD FRONT THAT WILL EXIT THE AREA TONIGHT WILL BE FOLLOWED
BY A COLD AIR MASS THAT WILL SURGE ACROSS THE STATE FRIDAY.

GUSTY NORTHWEST WIND WILL FORCE COLDER AIR INTO NORTH MISSISSIPPI
EARLY FRIDAY MORNING...WHICH WILL SWEEP THROUGH THE STATE INTO SOUTH
MISSISSIPPI LATE FRIDAY NIGHT. THIS AIR MASS MAY PRODUCE SOME OF THE
COLDEST TEMPERATURES THIS FALL AND FREEZING TEMPERATURES ARE POSSIBLE
FOR SATURDAY MORNING AS FAR SOUTH AS NATCHEZ AND HATTIESBURG.

IT WILL BE NECESSARY TO PROTECT OUTDOOR PETS AND PLANTS SATURDAY
MORNING ACROSS NORTH AND CENTRAL SECTIONS OF THE STATE...TEMPERATURES
WILL DROP INTO THE UPPER 20S AND LOWER 30S. AREAS IN SOUTH MISSISSIPPI
MAY ALSO SEE FREEZING TEMPERATURES SATURDAY MORNING...ESPECIALLY IN
VALLEYS AND LOW LYING AREAS. STAY TUNED FOR LATER STATEMENTS OR
WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 7, 8:26 AM CSTSevere Thunderstorm WarningJANFranklin, Richland49 min
Nov 7, 8:38 AM CSTSevere Thunderstorm WarningJANCatahoula52 min
Nov 7, 9:20 AM CSTSevere Thunderstorm WarningJANConcordia, Tensas40 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.