Alert archive / Louisiana / Tornado Warnings in 1995

Tornado Warning 98, NWS Jackson, MS

April 20, 1995Catahoula Parish, Louisiana

NWS Jackson, MS issued this tornado warning at Apr 20, 1995, 4:29 PM CDT for Catahoula Parish, Louisiana. It was in force for 31 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: Apr 20, 1995, 4:29 PM CDT (21:29 UTC)
Expired: Apr 20, 1995, 5:00 PM CDT
In force: 31 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Catahoula Parish, LA

What was reported inside it

Time	Report	Where	Remark
Apr 20, 4:55 PM CDT	Tornado F0	Jonesville, LA	A tornado went through an open area. No damage was reported.

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, 9.5 hours before the alert went out and 182 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 736 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 668 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 290 m²/s²
0-3 km storm-relative helicity: 357 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 5.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 202129
TORJAN
LAC025-202200-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
429 PM CDT THU APR 20 1995
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  500 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN NORTHEAST LOUISIANA
 
   ...CATAHOULA PARISH
 
AT 425 PM RADAR INDICATED A POSSIBLE TORNADO FOUR MILES NORTH OF ARCHIE.
IT WAS MOVING NORTHEAST AT 40 MPH. IT WILL PASS BETWEEN HARRISONBURG AND
JONESVILLE BY 440 PM.
 
IF YOU ARE OUTSIDE...SEEK SHELTER IN A STURDY BUILDING.  AS A
LAST RESORT...SEEK SHELTER IN A DITCH OR LOW SPOT AND COVER
YOUR HEAD WITH YOUR HANDS.
<

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 20, 2:08 AM CDT	Tornado Warning	JAN	Morehouse	52 min
Apr 20, 8:02 AM CDT	Tornado Warning	JAN	Catahoula	43 min
Apr 20, 8:18 AM CDT	Tornado Warning	JAN	Concordia	42 min
Apr 20, 8:59 AM CDT	Severe Thunderstorm Warning	JAN	Tensas	31 min
Apr 20, 11:45 AM CDT	Severe Thunderstorm Warning	JAN	Richland	45 min
Apr 20, 11:51 AM CDT	Severe Thunderstorm Warning	JAN	Franklin	54 min
Apr 20, 12:23 PM CDT	Tornado Warning	JAN	East Carroll, Madison	52 min
Apr 20, 2:27 PM CDT	Tornado Warning	JAN	Morehouse	48 min
Apr 20, 3:10 PM CDT	Tornado Warning	JAN	Richland	50 min
Apr 20, 3:28 PM CDT	Tornado Warning	JAN	East Carroll, West Carroll	47 min
Apr 20, 4:19 PM CDT	Tornado Warning	JAN	Franklin, Richland	41 min
Apr 20, 4:57 PM CDT	Tornado Warning	JAN	Franklin, Tensas	48 min
Apr 20, 5:27 PM CDT	Tornado Warning	JAN	Madison	48 min

Nearby

Tornado Warnings in Louisiana, 1995 Every tornado warning in 1995 Tornadoes in 1995

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.