Alert archive / Louisiana / Tornado Warnings in 2016

Tornado Warning 71, NWS Shreveport, LA

November 29, 2016Caldwell Parish, LaSalle Parish, Winn Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at Nov 29, 2016, 3:31 PM CST for Caldwell Parish, LaSalle Parish, Winn Parish, Louisiana. It was in force for 44 min. 6 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
Nov 29, 2016, 3:31 PM CST (21:31 UTC)
Expired
Nov 29, 2016, 4:15 PM CST
In force
44 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.5 in

Counties Caldwell Parish, LA, LaSalle Parish, LA, Winn Parish, LA

The radar

The Ft Polk radar (KPOE), 138 km from the middle of the area, began a volume at 21:35 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Nov 29, 3:43 PM CSTTORNADO4 Ssw Clarks, LATORNADO REPORTED ON 165 AND 506 NEAR THE TOWN OF KELLY
Nov 29, 3:43 PM CSTTORNADO4 Ssw Clarks, LATORNADO REPORTED ON 165 AND 506 NEAR THE TOWN OF KELLY.
Nov 29, 3:55 PM CSTHAIL 1.751 N Clarks, LAGOLFBALL SIZE HAIL IN THE TOWN OF GRAYSON.
Nov 29, 3:55 PM CSTHAIL 1.755 Sw Columbia, LAGOLFBALL SIZE HAIL IN THE TOWN OF GRAYSON
Nov 29, 3:57 PM CSTTSTM WND GST 601 N Grayson, LATREES DOWN ALONG 165 BETWEEN GRAYSON AND COLUMBIA.
Nov 29, 3:57 PM CSTTSTM WND GST 603 Sw Columbia, LATREES DOWN ALONG 165 BETWEEN GRAYSON AND COLUMBIA

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
Nov 29, 1:48 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Shreveport, LA (KBAD), launched 12:00Z, 9.5 hours before the alert went out and 172 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 12:00Z on 2016-11-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Shreveport, LA at 12:00Z on 2016-11-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 190 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2984 m above ground
0-6 km bulk shear
95 kt
0-1 km storm-relative helicity
190 m²/s²
0-3 km storm-relative helicity
198 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

266 
WFUS54 KSHV 292131
TORSHV
LAC021-059-127-292215-
/O.NEW.KSHV.TO.W.0071.161129T2131Z-161129T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
331 PM CST TUE NOV 29 2016

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  CALDWELL PARISH IN NORTH CENTRAL LOUISIANA...
  NORTHERN LA SALLE PARISH IN NORTH CENTRAL LOUISIANA...
  EAST CENTRAL WINN PARISH IN NORTH CENTRAL LOUISIANA...

* UNTIL 415 PM CST
    
* AT 331 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR OLLA...OR 18 MILES EAST OF WINNFIELD...
  MOVING NORTHEAST AT 50 MPH.

  HAZARD...TORNADO AND PING PONG BALL SIZE HAIL. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  
           TREE DAMAGE IS LIKELY. 

* THIS DANGEROUS STORM WILL BE NEAR...
  OLLA AROUND 340 PM CST. 
  CLARKS AND GRAYSON AROUND 350 PM CST. 
  COLUMBIA AROUND 355 PM CST. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
SPAULDING...URANIA...BURLINGTON...RIVERTON...STANDARD...KELLY AND
TULLOS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3208 9190 3209 9191 3207 9193 3206 9191
      3201 9189 3193 9190 3193 9200 3189 9201
      3182 9235 3193 9247 3223 9201 3221 9199
      3219 9201 3220 9197 3217 9198 3217 9190
      3212 9188 3212 9187 3209 9187
TIME...MOT...LOC 2131Z 239DEG 43KT 3191 9232 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$
20
2 follow-up statements
325 
WWUS54 KSHV 292151
SVSSHV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
351 PM CST TUE NOV 29 2016

LAC059-127-292200-
/O.CAN.KSHV.TO.W.0071.000000T0000Z-161129T2215Z/
LA SALLE LA-WINN LA-
351 PM CST TUE NOV 29 2016

...THE TORNADO WARNING FOR NORTHERN LA SALLE AND EAST CENTRAL WINN
PARISHES IS CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT 
OF THE WARNED AREA. THEREFORE...THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST FOR NORTH CENTRAL
LOUISIANA.

LAT...LON 3208 9190 3209 9191 3207 9193 3206 9191
      3201 9189 3193 9190 3193 9222 3201 9229
      3223 9201 3221 9199 3219 9201 3220 9197
      3217 9198 3217 9190 3212 9188 3212 9187
      3209 9187
TIME...MOT...LOC 2150Z 239DEG 43KT 3203 9208 

$$

LAC021-292215-
/O.CON.KSHV.TO.W.0071.000000T0000Z-161129T2215Z/
CALDWELL LA-
351 PM CST TUE NOV 29 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CST FOR
SOUTHEASTERN CALDWELL PARISH...
    
AT 350 PM CST...A CONFIRMED TORNADO WAS LOCATED NEAR 
KELLY...MOVING NORTHEAST AT 50 MPH.

HAZARD...DAMAGING TORNADO AND PING PONG BALL SIZE HAIL. 

SOURCE...LAW ENFORCEMENT CONFIRMED TORNADO. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE 
         IS LIKELY. 

THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
SOUTHEASTERN CALDWELL PARISH...INCLUDING THE FOLLOWING LOCATIONS:
SPAULDING...KELLY AND BURLINGTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE HOME...OR
IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3208 9190 3209 9191 3207 9193 3206 9191
      3201 9189 3193 9190 3193 9222 3201 9229
      3223 9201 3221 9199 3219 9201 3220 9197
      3217 9198 3217 9190 3212 9188 3212 9187
      3209 9187
TIME...MOT...LOC 2150Z 239DEG 43KT 3203 9208 

TORNADO...OBSERVED
HAIL...1.50IN

$$

20
902 
WWUS54 KSHV 292207
SVSSHV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
407 PM CST TUE NOV 29 2016

LAC021-292215-
/O.CON.KSHV.TO.W.0071.000000T0000Z-161129T2215Z/
CALDWELL LA-
407 PM CST TUE NOV 29 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CST FOR EASTERN
CALDWELL PARISH...
    
AT 405 PM CST...A POSSIBLE TORNADO WAS LOCATED NEAR LIDDIEVILLE...OR 
10 MILES WEST OF WINNSBORO...MOVING NORTHEAST AT 50 MPH. THIS STORM 
HAS A HISTORY OF PRODUCING A TORNADO.

HAZARD...DAMAGING TORNADO AND PING PONG BALL SIZE HAIL. 

SOURCE...LAW ENFORCEMENT CONFIRMED TORNADO. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE 
         IS LIKELY. 

LOCATIONS IMPACTED INCLUDE...
COLUMBIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A POSSIBLE TORNADO IS ON THE GROUND. TAKE COVER NOW! 
MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A 
STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE 
HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND 
PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3208 9190 3209 9191 3207 9193 3206 9191
      3201 9189 3198 9189 3197 9203 3210 9210
      3219 9201 3220 9197 3217 9198 3217 9190
      3212 9188 3212 9187 3209 9187
TIME...MOT...LOC 2205Z 239DEG 43KT 3212 9190 

TORNADO...OBSERVED
HAIL...1.50IN

$$

20

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 29, 10:13 AM CSTSpecial Weather StatementSHVSabine47 min
Nov 29, 11:07 AM CSTSpecial Weather StatementSHVRed River53 min
Nov 29, 11:56 AM CSTSpecial Weather StatementSHVBienville, Jackson49 min
Nov 29, 1:14 PM CSTSpecial Weather StatementSHVUnion46 min
Nov 29, 1:28 PM CSTSevere Thunderstorm WarningSHVUnion17 min
Nov 29, 1:32 PM CSTSpecial Weather StatementSHVUnion28 min
Nov 29, 1:46 PM CSTSpecial Weather StatementSHVCaldwell44 min
Nov 29, 1:52 PM CSTSpecial Weather StatementSHVDe Soto, Red River53 min
Nov 29, 1:53 PM CSTTornado WarningSHVCaldwell, Grant, LaSalle, Winn52 min
Nov 29, 2:16 PM CSTSevere Thunderstorm WarningSHVCaldwell43 min
Nov 29, 2:23 PM CSTSpecial Weather StatementSHVUnion52 min
Nov 29, 2:26 PM CSTSevere Thunderstorm WarningSHVBienville, Bossier, Jackson, Lincoln, Natchitoches, Red River49 min
Nov 29, 2:43 PM CSTTornado WarningSHVCaldwell17 min
Nov 29, 2:49 PM CSTTornado WarningSHVGrant, LaSalle, Winn41 min
Nov 29, 2:54 PM CSTSevere Thunderstorm WarningSHVCaldwell, Winn36 min
Nov 29, 3:07 PM CSTSevere Thunderstorm WarningSHVDe Soto, Sabine38 min
Nov 29, 3:09 PM CSTSevere Thunderstorm WarningSHVGrant, Natchitoches, Winn36 min
Nov 29, 3:13 PM CSTSevere Thunderstorm WarningSHVJackson, Lincoln, Ouachita, Union47 min
Nov 29, 3:26 PM CSTTornado WarningSHVGrant, LaSalle, Natchitoches, Winn49 min
Nov 29, 3:35 PM CSTSpecial Weather StatementSHVCaldwell25 min
Nov 29, 3:41 PM CSTSevere Thunderstorm WarningSHVNatchitoches, Red River, Sabine, Winn49 min
Nov 29, 3:49 PM CSTSpecial Weather StatementSHVOuachita56 min
Nov 29, 3:49 PM CSTSevere Thunderstorm WarningSHVUnion13 min
Nov 29, 3:50 PM CSTTornado WarningSHVNatchitoches, Sabine, Winn25 min
Nov 29, 4:12 PM CSTTornado WarningSHVCaldwell, LaSalle, Winn48 min
Nov 29, 4:18 PM CSTSpecial Weather StatementSHVWinn42 min
Nov 29, 4:32 PM CSTSevere Thunderstorm WarningSHVCaldwell, Grant, LaSalle, Natchitoches, Winn58 min
Nov 29, 4:40 PM CSTSevere Thunderstorm WarningSHVNatchitoches, Sabine, Winn23 min
Nov 29, 4:42 PM CSTSevere Thunderstorm WarningSHVNatchitoches, Sabine48 min
Nov 29, 4:58 PM CSTTornado WarningSHVSabine32 min
Nov 29, 4:59 PM CSTTornado WarningSHVCaldwell16 min
Nov 29, 5:08 PM CSTSpecial Weather StatementSHVCaldwell52 min
Nov 29, 5:17 PM CSTTornado WarningSHVCaldwell, Grant, LaSalle43 min
Nov 29, 5:25 PM CSTSpecial Weather StatementSHVOuachita35 min
Nov 29, 5:26 PM CSTSevere Thunderstorm WarningSHVGrant, Natchitoches, Sabine, Winn49 min

Nearby

Tornado Warnings in Louisiana, 2016Every tornado warning in 2016Tornadoes in 2016

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; radar from the NEXRAD Level II archive.