Alert archive / Louisiana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 178, NWS Jackson, MS

April 11, 1995Concordia Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at Apr 11, 1995, 1:12 AM CDT for Concordia Parish, Louisiana. It was in force for 63 min.

The area

The counties it named.

The facts

Issued: Apr 11, 1995, 1:12 AM CDT (06:12 UTC)
Expired: Apr 11, 1995, 2:15 AM CDT
In force: 63 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Concordia Parish, LA

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 6.2 hours before the alert went out and 176 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: 10 J/kg
Mixed-layer CIN: -351 J/kg
Mixed-layer LCL: 2075 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: 42 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 110614 RRA
SVRJAN
LAC029-110715-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
112 AM CDT TUE APR 11 1995
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  215 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN NORTHEAST LOUISIANA
 
   ...SOUTHERN CONCORDIA PARISH
 
AT 105 AM WEATHER SERVICE RADAR IN JACKSON INDICATED A SEVERE
THUNDERSTORM IN NORTHEAST AVOYELLES PARISH EAST OF MARKSVILLE MOVING
NORTHEAST 25 MPH. THIS STORM WILL PASS WEST OF SLOCUM TO NEAR DEER PARK
IN SOUTHERN CONCORDIA PARISH DURING THROUGH 215 AM.
 
 
A TORNADO WATCH IS ALSO IN EFFECT.  REMEMBER SEVERE THUNDERSTORMS
CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.  REMAIN
CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
<
 
SEVERE THUNDERSTORMS PRODUCE WIND IN EXCESS OF 55 MPH...LARGE
HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.  MOVE TO AN
ITNTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
<

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

Local storm report, Apr 10, 8:10 PM CDT, 5 hours 2 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
315 PM CDT TUE APR 11 1995

               ...SEVERE THUNDERSTORM DAMAGE REPORTS...

TIME (CST)    LOCATION        REPORT

ESTIMATED
3-4 AM        PORT GIBSON     TREES DOWN
              CLAIBORNE CO.   REPORTED BY CLAIBORNE CO. ROAD
                              MGMNT

345-400 AM    BROOKHAVEN      TREES DOWN AND POWER OUTAGES
              LINCOLN CO.     LINCOLN CO. C.D.

4-5 AM        LOUISE/ISOLA    TREES DOWN...SHEDS DAMAGED
              HUMPHREYS CO.   REPORTED BY HUMPHREYS CO. S.O.

500-515 AM    LAMAR CO.       TREES DOWN...HOMES DAMAGED...HOUSE
                              TRAILERS BLOWN OVER
                              REPORTED BY HATTIESBURG E.M.

530 AM        MARION CO.      WINDS GREATER THAN 50 MPH...ROOF
                              AND WINDOW DAMAGE...TREES DOWN
                              REPORTED BY C.D. OFFICE

605 AM        JONES CO.       TREES DOWN
                              REPORTED BY JONES CO. C.D.

621 AM        LAUREL          DIME SIZE HAIL...TREES DOWN
              JONES CO.       REPORTED BY JONES CO. C.D.

               ...DAMAGE NOT ASSOCIATED WITH SEVERE
                  THUNDERSTORMS...

10-1030 AM    ALCORN CO.      TREES DOWN...POWER LINES DOWN...
                              ROOF DAMAGE...SHEDS DESTROYED
                              REPORTED BY ALCORN CO. S.O.

ESTIMATED
1045 AM       ITAWAMBA CO.    WIDESPREAD POWER OUTAGES
                              REPORTED BY ITAWAMBA CO. S.O.

ESTIMATED
1053 AM       TISHIMINGO CO.  WIND DAMAGE
                              REPORTED BY TISHIMINGO S.O.
&

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 11, 2:27 AM CDT	Severe Thunderstorm Warning	JAN	Concordia	48 min
Apr 11, 3:44 AM CDT	Severe Thunderstorm Warning	JAN	Madison	31 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1995 Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive.