Alert archive / Louisiana / Tornado Warnings in 2016

Tornado Warning 70, NWS Shreveport, LA

November 29, 20164 parishes in Louisiana

NWS Shreveport, LA issued this tornado warning at Nov 29, 2016, 3:26 PM CST for 4 parishes in Louisiana. It was in force for 49 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, 3:26 PM CST (21:26 UTC)
Expired: Nov 29, 2016, 4:15 PM CST
In force: 49 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.25 in

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

The radar

The Ft Polk radar (KPOE), 72 km from the middle of the area, began a volume at 21:29 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.

Issued	Product	Office	Lasted
Nov 29, 1:48 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Shreveport, LA (KBAD), launched 12:00Z, 9.4 hours before the alert went out and 132 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: 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.

535 
WFUS54 KSHV 292126
TORSHV
LAC043-059-069-127-292215-
/O.NEW.KSHV.TO.W.0070.161129T2126Z-161129T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
326 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...
  SOUTHEASTERN NATCHITOCHES PARISH IN NORTHWESTERN LOUISIANA...
  NORTHWESTERN LA SALLE PARISH IN NORTH CENTRAL LOUISIANA...
  EASTERN WINN PARISH IN NORTH CENTRAL LOUISIANA...

* UNTIL 415 PM CST
    
* AT 326 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR MONTGOMERY...OR 15 MILES NORTH OF LENA...
  MOVING NORTHEAST AT 45 MPH.

  HAZARD...TORNADO AND HALF DOLLAR 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...SOUTHEASTERN NATCHITOCHES...NORTHWESTERN LA
  SALLE AND EASTERN WINN PARISHES...INCLUDING THE FOLLOWING
  LOCATIONS: JOYCE...ZENORIA...URANIA...ATLANTA...GEORGETOWN...
  ROCHELLE 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.

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
SHREVEPORT.

&&

LAT...LON 3161 9286 3168 9292 3208 9243 3175 9220
TIME...MOT...LOC 2126Z 233DEG 40KT 3168 9281 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

20

2 follow-up statements

889 
WWUS54 KSHV 292140
SVSSHV

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

LAC069-292149-
/O.CAN.KSHV.TO.W.0070.000000T0000Z-161129T2215Z/
NATCHITOCHES LA-
340 PM CST TUE NOV 29 2016

...THE TORNADO WARNING FOR SOUTHEASTERN NATCHITOCHES PARISH 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 3166 9270 3177 9280 3181 9276 3203 9241
      3175 9220
TIME...MOT...LOC 2139Z 233DEG 40KT 3177 9266 

$$

LAC043-059-127-292215-
/O.CON.KSHV.TO.W.0070.000000T0000Z-161129T2215Z/
GRANT LA-LA SALLE LA-WINN LA-
340 PM CST TUE NOV 29 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CST FOR NORTH
CENTRAL GRANT...NORTHWESTERN LA SALLE AND SOUTHEASTERN WINN
PARISHES...
    
AT 339 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 10 MILES SOUTH OF WINNFIELD...MOVING NORTHEAST AT 45 MPH.

HAZARD...TORNADO AND HALF DOLLAR 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...TULLOS...GEORGETOWN...ATLANTA...ZENORIA AND ROCHELLE. 

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.

IF A TORNADO OR OTHER SEVERE WEATHER IS SPOTTED...REPORT IT TO THE
NATIONAL WEATHER SERVICE OR YOUR LOCAL NEAREST LAW ENFORCEMENT AGENCY
WHO WILL SEND YOUR REPORT. THIS ACT MAY SAVE LIVES OF OTHERS IN THE
PATH OF DANGEROUS WEATHER.

&&

LAT...LON 3166 9270 3177 9280 3181 9276 3203 9241
      3175 9220
TIME...MOT...LOC 2139Z 233DEG 40KT 3177 9266 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

20

933 
WWUS54 KSHV 292154
SVSSHV

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

LAC043-059-127-292215-
/O.CON.KSHV.TO.W.0070.000000T0000Z-161129T2215Z/
GRANT LA-LA SALLE LA-WINN LA-
354 PM CST TUE NOV 29 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CST FOR NORTH
CENTRAL GRANT...NORTHWESTERN LA SALLE AND SOUTHEASTERN WINN
PARISHES...
    
AT 354 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 8 MILES EAST OF WINNFIELD...MOVING NORTHEAST AT 45 MPH.

HAZARD...TORNADO AND HALF DOLLAR 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...TULLOS...GEORGETOWN...ZENORIA AND ROCHELLE. 

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.

IF A TORNADO OR OTHER SEVERE WEATHER IS SPOTTED...REPORT IT TO THE
NATIONAL WEATHER SERVICE OR YOUR LOCAL NEAREST LAW ENFORCEMENT AGENCY
WHO WILL SEND YOUR REPORT. THIS ACT MAY SAVE LIVES OF OTHERS IN THE
PATH OF DANGEROUS WEATHER.

&&

LAT...LON 3169 9258 3182 9267 3187 9265 3203 9241
      3175 9220
TIME...MOT...LOC 2154Z 233DEG 40KT 3187 9250 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

20

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 29, 10:13 AM CST	Special Weather Statement	SHV	Sabine	47 min
Nov 29, 11:07 AM CST	Special Weather Statement	SHV	Red River	53 min
Nov 29, 11:56 AM CST	Special Weather Statement	SHV	Bienville, Jackson	49 min
Nov 29, 1:14 PM CST	Special Weather Statement	SHV	Union	46 min
Nov 29, 1:28 PM CST	Severe Thunderstorm Warning	SHV	Union	17 min
Nov 29, 1:32 PM CST	Special Weather Statement	SHV	Union	28 min
Nov 29, 1:46 PM CST	Special Weather Statement	SHV	Caldwell	44 min
Nov 29, 1:52 PM CST	Special Weather Statement	SHV	De Soto, Red River	53 min
Nov 29, 1:53 PM CST	Tornado Warning	SHV	Caldwell, Grant, LaSalle, Winn	52 min
Nov 29, 2:16 PM CST	Severe Thunderstorm Warning	SHV	Caldwell	43 min
Nov 29, 2:23 PM CST	Special Weather Statement	SHV	Union	52 min
Nov 29, 2:26 PM CST	Severe Thunderstorm Warning	SHV	Bienville, Bossier, Jackson, Lincoln, Natchitoches, Red River	49 min
Nov 29, 2:43 PM CST	Tornado Warning	SHV	Caldwell	17 min
Nov 29, 2:49 PM CST	Tornado Warning	SHV	Grant, LaSalle, Winn	41 min
Nov 29, 2:54 PM CST	Severe Thunderstorm Warning	SHV	Caldwell, Winn	36 min
Nov 29, 3:07 PM CST	Severe Thunderstorm Warning	SHV	De Soto, Sabine	38 min
Nov 29, 3:09 PM CST	Severe Thunderstorm Warning	SHV	Grant, Natchitoches, Winn	36 min
Nov 29, 3:13 PM CST	Severe Thunderstorm Warning	SHV	Jackson, Lincoln, Ouachita, Union	47 min
Nov 29, 3:31 PM CST	Tornado Warning	SHV	Caldwell, LaSalle, Winn	44 min
Nov 29, 3:35 PM CST	Special Weather Statement	SHV	Caldwell	25 min
Nov 29, 3:41 PM CST	Severe Thunderstorm Warning	SHV	Natchitoches, Red River, Sabine, Winn	49 min
Nov 29, 3:49 PM CST	Special Weather Statement	SHV	Ouachita	56 min
Nov 29, 3:49 PM CST	Severe Thunderstorm Warning	SHV	Union	13 min
Nov 29, 3:50 PM CST	Tornado Warning	SHV	Natchitoches, Sabine, Winn	25 min
Nov 29, 4:12 PM CST	Tornado Warning	SHV	Caldwell, LaSalle, Winn	48 min
Nov 29, 4:18 PM CST	Special Weather Statement	SHV	Winn	42 min
Nov 29, 4:32 PM CST	Severe Thunderstorm Warning	SHV	Caldwell, Grant, LaSalle, Natchitoches, Winn	58 min
Nov 29, 4:40 PM CST	Severe Thunderstorm Warning	SHV	Natchitoches, Sabine, Winn	23 min
Nov 29, 4:42 PM CST	Severe Thunderstorm Warning	SHV	Natchitoches, Sabine	48 min
Nov 29, 4:58 PM CST	Tornado Warning	SHV	Sabine	32 min
Nov 29, 4:59 PM CST	Tornado Warning	SHV	Caldwell	16 min
Nov 29, 5:08 PM CST	Special Weather Statement	SHV	Caldwell	52 min
Nov 29, 5:17 PM CST	Tornado Warning	SHV	Caldwell, Grant, LaSalle	43 min
Nov 29, 5:25 PM CST	Special Weather Statement	SHV	Ouachita	35 min
Nov 29, 5:26 PM CST	Severe Thunderstorm Warning	SHV	Grant, Natchitoches, Sabine, Winn	49 min

Nearby

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