Alert archive / Louisiana / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 39, NWS Shreveport, LA

February 27, 1996Bossier Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Feb 27, 1996, 3:53 PM CST for Bossier Parish, Louisiana. It was in force for 37 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: Feb 27, 1996, 3:53 PM CST (21:53 UTC)
Expired: Feb 27, 1996, 4:30 PM CST
In force: 37 min
Issued by: NWS Shreveport, LA
Area: Whole counties

County Bossier Parish, LA

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 9.9 hours before the alert went out and 26 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: 799 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 643 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 371 m²/s²
0-3 km storm-relative helicity: 267 m²/s²
Significant tornado parameter: 1.8
Supercell composite: 7.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSHV 272153 RRA
SVRSHV
LAC015-272230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
353 PM CST TUE FEB 27 1996
 
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST LOUISIANA
 
   ...NORTHERN BOSSIER PARISH
 
AT 350 PM...THE SHREVEPORT WEATHER RADAR SHOWED THE LEADING EDGE
OF SEVERE THUNDERbSTORMS 10 MILES SOUTHWEST OF PLAIN DEALING
LOUISIANA.  THE BAND OF THUNDERSTORMS EXTENDED FROM EAST OF
OIL CITY TO NEAR DIXIE LOUISIANA.  THE BAND OF THUNDERSTORMS WERE
MOVING EAST AT 45 MILES AN HOUR.
 
VIII.

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.

NWS Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Feb 27, 1:49 PM CST, 2 hours 4 minutes earlier.

Area forecast discussion, Feb 27, 1:49 PM CST, 2 hours 4 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
148 PM CST TUE FEB 27 1996

ONCE AGN MODELS MNTNG BULK OF UPR LVL DYNAMICS TO THE NORTH ACRS THE MID
MS VLY INTO THE GRTLKS. BEST JET DYNAMICS ALSO TO THE N WITH THE EXCPTN
OF AN AREA OF UPR LVL DIV ACRS NRN TX AND SRN AR THIS EVNG AS FCST BY NGM
WHILE ETA CONFINES THIS AREA TO MAINLY CNTRL AR. MODELS ALSO SIMILAR IN
PSHG CDFNT THRU MOST OF FA BY 06Z TONITE AND DVLPG GUD CAA BHD FNT...
I.E. DCRSG THCKNS. MY CONCERN IS CLRG BHD FNT. ALTHOUGH MODELS DRY LOWER
LVLS BHD THE FNT AND DCRS MEAN RHS UP TO H500 AS WELL...THE FLOW AT H500
H250 CONTS FROM THE WSW THRU THE FCST PRD. THIS WUD INDCT A BTR CHC AT
RMNG CLDY TO MC THRU AT LEAST THUR MRNG AS SUBTRPCL MSTR CONTS TO BE DRAWN
NWD INTO THE S CNTRL U.S.

IN THE NEAR TERM TEMPERATURES BHD FNT ARE FALLING RATHER DRAMATICALLY ACRS
OK AND TX. AT 18Z TXK HAD A TEMP AND DWPT OF 77/65 WHILE TO THE W PRX WAS
53/50. FNT IS MAKING SLOW PROGRESS E AS UPR LVL WNDS BVM ALIGNED MORE
PARALLEL TO THE SFC FTR...BUT THERE IS ENUF OF A PUSH TO BLV THE FNT WILL
PUSH THRU AS PROGGED TONITE. AHD AND ALG FNT TSTMS CONT TO MOVE TO THE ENE
PRODCG PRIMARILY HAIL AND SOME GUSTY WNDS. LACK OF SIG DIRECTONAL SHEAR
IS LMTG POTENTIAL FOR TORNADIC DVLPMNT BUT AS STORMS CONT PSHG E
INTO JUICY AIR POT FOR HAIL SHUD CONT THRU THE EVNG.

AM RELUCTANT TO BLV FAN GUIDANCE THIS AFTN ALTHOUGH. WILL LEAN MORE TOWARD
MOS EVEN THOUGH FEEL HIGH TMRW WILL HA0VE TO ADJUSTED DOWN. POPS DCRSG THRU
THE FCST PRD FROM W TO E.

SHV 43/52/33/49 7100

18

In the hours before

Local storm report, Feb 27, 1:47 PM CST, 2 hours 6 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OFFICE SHREVEPORT LA
147 PM CST THU FEB 27 1996

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH LOCATION....

1147 AM    IDABEL                    OK   .75 INCH HAIL
02/27/96   MCCURTAIN                      LARGE MARBLE SIZE HAIL 2
                                          MILES EAST OF IDABEL ON
                                          HIGHWAY 3.

0110 PM    NASHVILLE                 AR   .75 INCH HAIL
02/27/96   HOWARD                         PEA TO LARGE MARBLE SIZE
                                          HAIL IN AND NORTH OF
                                          NASHVILLE.

VIII

Local storm report, Feb 27, 1:48 PM CST, 2 hours 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OFFICE SHREVEPORT LA
147 PM CST THU FEB 27 1996

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH LOCATION....

1147 AM    IDABEL                    OK   .75 INCH HAIL
02/27/96   MCCURTAIN                      LARGE MARBLE SIZE HAIL 2
                                          MILES EAST OF IDABEL ON
                                          HIGHWAY 3.

011*0 PM    NASHVILLE                 AR   .75 INCH HAIL
02/27/96   HOWARD                         PEA TO LARGE MARBLE SIZE
                                          HAIL IN AND NORTH OF
                                          NASHVILLE.

VIII

Local storm report, Feb 27, 3:46 PM CST, 7 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTION TO 318 PM REPORT
NATIONAL WEATHER SERVICE OFFICE SHREVEPORT LA
346 PM CST THU FEB 27 1996

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH LOCATION....

0110 PM    NASHVILLE                 AR   .75 INCH HAIL
02/27/96   HOWARD                         PEA TO LARGE MARBLE SIZE
                                          HAIL IN AND NORTH OF
                                          NASHVILLE.

0115 PM    NASH                      TX   WIND DAMAGE
02/27/96   BOWIE                          METAL DAMAGE TO
                                          OUTBUILDING AND MINOR
                                          DAMAGE TO TRAILER.

0220 PM    TYLER                     TX   TORNADO
02/27/96   SMITH                          16 CARS AND BUSSES HAD
                                          WINDOWS BLOWN OUT BY
                                          TORNADO AT BOULTON MIDDLE
                                          SCHOOL IN NORTHWEST TYLER.

0225 PM    TYLER                     TX   TORNADO
02/27/96   SMITH                          AT LOOP 323 AND HWY 271 IN
                                          NORTHEAST TYLER A TORNADO
                                          FLIPPED AN 18 WHEELER
                                          DAMAGED A FIREWORK STAND.
                                          ALSO DESTROYED RAILROAD
                                          CROSSING AND DOWNED TREES

0255 PM    LONGVIEW                  TX   WIND DAMAGE
02/27/96   GREGG                          EXTREMELY HIGH WINDS AND
                                          POWER OUTAGES ALONG HWY 80
                                          NEAR LONGVIEW.

0318 PM    HARLETON                  TX   1.75 INCH HAIL
02/27/96   HARRISON                       GOLFBALL SIZED HAIL.

0330 PM    KARNACK                   TX   1 INCH HAIL
02/27/96   HARRISON                       ONE INCH DIAMETER HAIL.
VII

Local storm report, Feb 27, 3:50 PM CST, 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OFFICE SHREVEPORT LA
346 PM CST THU FEB 27 1996

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH LOCATION....

0110 PM    NASHVILLE                 AR   .75 INCH HAIL
02/27/96   HOWARD                         PEA TO LARGE MARBLE SIZE
                                          HAIL IN AND NORTH OF
                                          NASHVILLE.

0115 PM    NASH                      TX   WIND DAMAGE
02/27/96   BOWIE                          METAL DAMAGE TO
                                          OUTBUILDING AND MINOR
                                          DAMAGE TO TRAILER.

0220 PM    TYLER                     TX   TORNADO
02/27/96   SMITH                          16 CARS AND BUSSES HAD
                                          WINDOWS BLOWN OUT BY
                                          TORNADO AT BOULTON MIDDLE
                                          SCHOOL IN NORTHWEST TYLER.

0225 PM    TYLER                     TX   TORNADO
02/27/96   SMITH                          AT LOOP 323 AND HWY 271 IN
                                          NORTHEAST TYLER A TORNADO
                                          FLIPPED AN 18 WHEELER
                                          DAMAGED A FIREWORK STAND.
                                          ALSO DESTROYED RAILROAD
                                          CROSSING AND DOWNED TREES

0255 PM    LONGVIEW                  TX   WIND DAMAGE
02/27/96   GREGG                          EXTREMELY HIGH WINDS AND
                                          POWER OUTAGES ALONG HWY 80
                                          NEAR LONGVIEW.

0318 PM                              TX   1.75 INCH HAIL
02/27/96   HARRISON                       GOLFBALL SIZED HAIL.

0330 PM    KARNACK                   TX   1 INCH HAIL
02/27/96   HARRISON                       ONE INCH DIAMETERX HAIL.
VII

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 27, 3:30 PM CST	Tornado Warning	SHV	Caddo	45 min
Feb 27, 4:10 PM CST	Severe Thunderstorm Warning	SHV	Webster	35 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1996 Every 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.