Alert archive / Louisiana / Tornado Warnings in 2016

Tornado Warning 74, NWS Shreveport, LA

November 29, 2016Sabine Parish, Louisiana; Sabine County, Texas

NWS Shreveport, LA issued this tornado warning at Nov 29, 2016, 4:58 PM CST for Sabine Parish, Louisiana; Sabine County, Texas. It was in force for 32 min. 1 report 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, 4:58 PM CST (22:58 UTC)
Expired
Nov 29, 2016, 5:30 PM CST
In force
32 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Sabine Parish, LA, Sabine County, TX

The radar

The Ft Polk radar (KPOE), 54 km from the middle of the area, began a volume at 22:57 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, 5:15 PM CSTHAIL 0.75Florien, LAPUBLIC REPORTS DIME SIZE HAIL IN FLORIEN...VIA KSLA-TV FACEBOOK PAGE.

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

The nearest sounding before it

Shreveport, LA (KBAD), launched 12:00Z, 11.0 hours before the alert went out and 124 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°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.

829 
WFUS54 KSHV 292258
TORSHV
LAC085-TXC403-292330-
/O.NEW.KSHV.TO.W.0074.161129T2258Z-161129T2330Z/

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

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL SABINE PARISH IN NORTHWESTERN LOUISIANA...
  EAST CENTRAL SABINE COUNTY IN EASTERN TEXAS...

* UNTIL 530 PM CST
    
* AT 458 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 10 MILES WEST OF HORNBECK...OR 14 MILES NORTH
  OF TOLEDO BEND DAM...MOVING EAST AT 35 MPH.

  HAZARD...TORNADO AND QUARTER 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 TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  EAST CENTRAL SABINE PARISH IN NORTHWESTERN LOUISIANA AND EAST
  CENTRAL SABINE COUNTIES...INCLUDING THE FOLLOWING LOCATIONS:
  FLORIEN...FISHER AND MOUNT CARMEL.

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 3133 9363 3139 9366 3158 9338 3137 9324
      3136 9339 3134 9341
TIME...MOT...LOC 2258Z 250DEG 30KT 3139 9357 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

09
1 follow-up statement
406 
WWUS54 KSHV 292311
SVSSHV

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

TXC403-292320-
/O.CAN.KSHV.TO.W.0074.000000T0000Z-161129T2330Z/
SABINE TX-
511 PM CST TUE NOV 29 2016

...THE TORNADO WARNING FOR EAST CENTRAL SABINE COUNTY IS CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT 
OF THE WARNED AREA. THEREFORE...THE WARNING HAS BEEN CANCELLED.

LAT...LON 3137 9354 3144 9357 3158 9338 3140 9326
TIME...MOT...LOC 2310Z 251DEG 31KT 3143 9344 

$$

LAC085-292330-
/O.CON.KSHV.TO.W.0074.000000T0000Z-161129T2330Z/
SABINE LA-
511 PM CST TUE NOV 29 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CST FOR EAST
CENTRAL SABINE PARISH...
    
AT 510 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 7 MILES NORTH OF HORNBECK...OR 13 MILES NORTHWEST OF
ANACOCO...MOVING EAST AT 35 MPH.

HAZARD...TORNADO AND QUARTER 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. 

LOCATIONS IMPACTED INCLUDE...
FLORIEN...FISHER AND MOUNT CARMEL. 

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 3137 9354 3144 9357 3158 9338 3140 9326
TIME...MOT...LOC 2310Z 251DEG 31KT 3143 9344 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

09

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, 3:31 PM CSTTornado WarningSHVCaldwell, LaSalle, Winn44 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, 4:59 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
Nov 29, 8:58 AM CSTSpecial Weather StatementSHVAngelina32 min

Nearby

Tornado Warnings in Louisiana, 2016Tornado Warnings in Texas, 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.