Alert archive / Louisiana / Tornado Warnings in 2016

Tornado Warning 69, NWS Shreveport, LA

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

NWS Shreveport, LA issued this tornado warning at Nov 29, 2016, 2:49 PM CST for Grant Parish, LaSalle Parish, Winn Parish, Louisiana. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Nov 29, 2016, 2:49 PM CST (20:49 UTC)
Expired
Nov 29, 2016, 3:30 PM CST
In force
41 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Grant Parish, LA, LaSalle Parish, LA, Winn Parish, LA

The radar

The Ft Polk radar (KPOE), 74 km from the middle of the area, began a volume at 20:52 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.

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, 8.8 hours before the alert went out and 133 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.

288 
WFUS54 KSHV 292049
TORSHV
LAC043-059-127-292130-
/O.NEW.KSHV.TO.W.0069.161129T2049Z-161129T2130Z/

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

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN GRANT PARISH IN NORTH CENTRAL LOUISIANA...
  NORTHWESTERN LA SALLE PARISH IN NORTH CENTRAL LOUISIANA...
  SOUTHEASTERN WINN PARISH IN NORTH CENTRAL LOUISIANA...

* UNTIL 330 PM CST
    
* AT 249 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 8 MILES EAST OF MONTGOMERY...OR 15 MILES NORTH
  OF LENA...MOVING NORTHEAST 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
  NORTHWESTERN GRANT...NORTHWESTERN LA SALLE AND SOUTHEASTERN WINN
  PARISHES...INCLUDING THE FOLLOWING LOCATIONS: ROCHELLE...URANIA 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 3161 9279 3168 9287 3202 9246 3183 9224
TIME...MOT...LOC 2049Z 226DEG 32KT 3168 9275 

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

$$

20
2 follow-up statements
257 
WWUS54 KSHV 292102
SVSSHV

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

LAC043-059-127-292130-
/O.CON.KSHV.TO.W.0069.000000T0000Z-161129T2130Z/
GRANT LA-LA SALLE LA-WINN LA-
302 PM CST TUE NOV 29 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CST FOR NORTH
CENTRAL GRANT...NORTHWESTERN LA SALLE AND SOUTHEASTERN WINN
PARISHES...
    
AT 301 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 11 MILES SOUTH OF WINNFIELD...MOVING NORTHEAST 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...
URANIA 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 3169 9267 3179 9272 3202 9246 3183 9224
TIME...MOT...LOC 2101Z 226DEG 32KT 3176 9265 

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

$$

20
533 
WWUS54 KSHV 292114
SVSSHV

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

LAC043-059-127-292130-
/O.CON.KSHV.TO.W.0069.000000T0000Z-161129T2130Z/
GRANT LA-LA SALLE LA-WINN LA-
314 PM CST TUE NOV 29 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CST FOR NORTHERN
GRANT...NORTHWESTERN LA SALLE AND SOUTHEASTERN WINN PARISHES...
    
AT 314 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 11 MILES SOUTHEAST OF WINNFIELD...MOVING NORTHEAST AT 50
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...
URANIA 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 3176 9255 3183 9262 3200 9245 3183 9224
TIME...MOT...LOC 2114Z 243DEG 43KT 3181 9250 

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

$$

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, 2:54 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, 4:58 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.