Alert archive / Louisiana / Tornado Warnings in 2014

Tornado Warning 9, NWS Shreveport, LA

April 28, 2014Columbia County, Lafayette County, Arkansas; Bossier Parish, Caddo Parish, Webster Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at Apr 28, 2014, 3:10 AM CDT for Columbia County, Lafayette County, Arkansas; Bossier Parish, Caddo Parish, Webster Parish, Louisiana. It was in force for 50 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 28, 2014, 3:10 AM CDT (08:10 UTC)
Expired
Apr 28, 2014, 4:00 AM CDT
In force
50 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon

Counties Columbia County, AR, Lafayette County, AR, Bossier Parish, LA, Caddo Parish, LA, Webster Parish, LA

What was reported inside it

TimeReportWhereRemark
Apr 28, 3:13 AM CDTTORNADO5 Ene Hosston, LA*** 1 INJ *** HOME DAMAGED ON BUCKSHOT RD
Apr 28, 3:15 AM CDTHAIL 0.88Bradley, AR
Apr 28, 3:22 AM CDTTSTM WND DMGPlain Dealing, LAMOBILE HOME DAMAGED BY LARGE TREE ON HIGHWAY 537 NEAR PLAIN DEALING

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 27, 11:08 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Shreveport, LA (KBAD), launched 00:00Z, 8.2 hours before the alert went out and 58 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, Shreveport, LA at 00:00Z on 2014-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1893 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 00:00Z on 2014-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 169 square meters per square second.19395878Sfc1 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
1893 J/kg
Mixed-layer CIN
-96 J/kg
Mixed-layer LCL
1351 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
169 m²/s²
0-3 km storm-relative helicity
215 m²/s²
Significant tornado parameter
0.9
Supercell composite
5.6

Open this sounding in Storm Lab

The text

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

864 
WFUS54 KSHV 280810
TORSHV
ARC027-073-LAC015-017-119-280900-
/O.NEW.KSHV.TO.W.0009.140428T0810Z-140428T0900Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
310 AM CDT MON APR 28 2014

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  BOSSIER PARISH IN NORTHWEST LOUISIANA...
  CADDO PARISH IN NORTHWEST LOUISIANA...
  WEBSTER PARISH IN NORTHWEST LOUISIANA...
  THIS INCLUDES THE CITY OF SPRINGHILL...
  COLUMBIA COUNTY IN SOUTHWEST ARKANSAS...
  LAFAYETTE COUNTY IN SOUTHWEST ARKANSAS...

* UNTIL 400 AM CDT

* AT 310 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR HOSSTON...
  OR 22 MILES WEST OF SPRINGHILL...MOVING NORTHEAST AT 50 MPH.

* THE TORNADO WILL BE NEAR...
  PLAIN DEALING BY 315 AM CDT...
  6 MILES SOUTHEAST OF BRADLEY BY 325 AM CDT...
  TAYLOR...WELCOME...SPRINGHILL AND 8 MILES NORTHWEST OF CULLEN BY
  335 AM CDT...
  BUSSEY BY 340 AM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WARNING MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE
STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO
DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...
MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM
WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 3294 9329 3284 9390 3293 9396 3324 9348
TIME...MOT...LOC 0810Z 242DEG 44KT 3294 9381

$$

13
1 follow-up statement
529 
WWUS54 KSHV 280829
SVSSHV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
329 AM CDT MON APR 28 2014

LAC017-280837-
/O.CAN.KSHV.TO.W.0009.000000T0000Z-140428T0900Z/
CADDO LA-
329 AM CDT MON APR 28 2014

...THE TORNADO WARNING FOR CADDO PARISH IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT MONDAY MORNING FOR
SOUTHWESTERN ARKANSAS AND NORTHWESTERN LOUISIANA AND SOUTHEAST
OKLAHOMA AND NORTHEASTERN TEXAS.

LAT...LON 3296 9377 3316 9343 3294 9329 3287 9373
TIME...MOT...LOC 0827Z 242DEG 44KT 3298 9361

$$

ARC027-073-LAC015-119-280900-
/O.CON.KSHV.TO.W.0009.000000T0000Z-140428T0900Z/
COLUMBIA AR-LAFAYETTE AR-BOSSIER LA-WEBSTER LA-
329 AM CDT MON APR 28 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 AM CDT FOR LAFAYETTE
AND COLUMBIA COUNTIES...AND WEBSTER AND BOSSIER PARISHES...

AT 327 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE 
TRACKING A TORNADO JUST NORTHEAST OF PLAIN DEALING...MOVING EAST
NORTHEAST NEAR 50 MPH. DAMAGE WAS REPORTED EARLIER JUST EAST OF THE 
RED RIVER ON BUCKSHOT ROAD. RADAR CONFIRMED THIS TORNADO BY A 
STRONG INDICATION OF A DEBRIS BALL. IF YOU LIVE IN EXTREME NORTHEAST
BOSSIER PARISH OR THE CULLEN AND SPRINGHILL AREAS...TAKE COVER 
IMMEDIATELY. 

THE TORNADO WILL BE NEAR...
  STATE LINE...SPRINGHILL AND CULLEN BY 335 AM CDT...
  WELCOME AND TAYLOR BY 340 AM CDT...
  6 MILES SOUTHEAST OF BUSSEY BY 345 AM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT MONDAY MORNING FOR
SOUTHWESTERN ARKANSAS AND NORTHWESTERN LOUISIANA AND SOUTHEAST
OKLAHOMA AND NORTHEASTERN TEXAS.

&&

LAT...LON 3296 9377 3316 9343 3294 9329 3287 9373
TIME...MOT...LOC 0827Z 242DEG 44KT 3298 9361

$$

13

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 1:31 AM CDTSevere Thunderstorm WarningSHVHempstead, Lafayette, Miller44 min
Apr 28, 2:05 AM CDTSevere Thunderstorm WarningSHVHempstead, Nevada40 min
Apr 28, 2:07 AM CDTSevere Thunderstorm WarningSHVMiller38 min
Apr 28, 2:20 AM CDTLake Wind AdvisorySHVUnion9 hr
Apr 28, 2:40 AM CDTSevere Thunderstorm WarningSHVColumbia, Lafayette, Miller50 min
Apr 28, 3:48 AM CDTSevere Thunderstorm WarningSHVColumbia, Union57 min
Apr 28, 3:44 AM CDTTornado WarningSHVCaddo, De Soto46 min
Apr 28, 5:27 AM CDTSevere Thunderstorm WarningSHVBienville, De Soto, Jackson, Natchitoches, Red River, Sabine and 1 more48 min
Apr 28, 6:45 AM CDTSevere Thunderstorm WarningSHVSabine45 min
Apr 28, 6:50 AM CDTSevere Thunderstorm WarningSHVCaldwell, Jackson, Ouachita, Union55 min
Apr 28, 7:26 AM CDTAreal Flood AdvisorySHVBienville, Caldwell, Grant, Jackson, Lincoln, Natchitoches and 5 more64 min
Apr 28, 8:24 AM CDTSevere Thunderstorm WarningSHVCaldwell, Jackson, Ouachita, Winn36 min
Apr 28, 3:45 PM CDTSevere Thunderstorm WarningSHVGrant, LaSalle60 min

Nearby

Tornado Warnings in Louisiana, 2014Tornado Warnings in Arkansas, 2014Every tornado warning in 2014Tornadoes in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.