Alert archive / Texas / Tornado Warnings in 2016

Tornado Warning 48, NWS Shreveport, LA

April 29, 2016Cass County, Harrison County, Marion County, Texas

NWS Shreveport, LA issued this tornado warning at Apr 29, 2016, 11:38 PM CDT for Cass County, Harrison County, Marion County, Texas. It was in force for 37 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: Apr 29, 2016, 11:38 PM CDT (04:38 UTC)
Expired: Apr 30, 2016, 12:15 AM CDT
In force: 37 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Cass County, TX, Harrison County, TX, Marion County, TX

The radar

The Shreveport radar (KSHV), 67 km from the middle of the area, began a volume at 04:41 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
Apr 29, 9:58 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Shreveport, LA (KBAD), launched 00:00Z, 4.6 hours before the alert went out and 72 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: 835 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 591 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 455 m²/s²
0-3 km storm-relative helicity: 577 m²/s²
Significant tornado parameter: 2.9
Supercell composite: 11.8

Open this sounding in Storm Lab

The text

As transmitted.

381 
WFUS54 KSHV 300438
TORSHV
TXC067-203-315-300515-
/O.NEW.KSHV.TO.W.0048.160430T0438Z-160430T0515Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
1138 PM CDT FRI APR 29 2016

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN HARRISON COUNTY IN NORTHEASTERN TEXAS...
  MARION COUNTY IN NORTHEASTERN TEXAS...
  SOUTHEASTERN CASS COUNTY IN NORTHEASTERN TEXAS...

* UNTIL 1215 AM CDT
    
* AT 1137 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 7 MILES WEST OF BEREA...OR 20 MILES NORTHWEST OF
  MARSHALL...MOVING EAST AT 40 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 DANGEROUS STORM WILL BE NEAR...
  JEFFERSON AND BEREA AROUND 1150 PM CDT. 
  LODI AROUND 1200 AM CDT. 
  KILDARE AROUND 1205 AM CDT. 
  SMITHLAND AROUND 1210 AM CDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
LASSATER AND PRUETT.

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.

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW!

&&

LAT...LON 3274 9460 3287 9464 3296 9411 3277 9407
TIME...MOT...LOC 0437Z 261DEG 34KT 3279 9453 

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

$$

06

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 29, 7:03 PM CDT	Special Weather Statement	SHV	Cherokee, Rusk	42 min
Apr 29, 7:13 PM CDT	Severe Thunderstorm Warning	SHV	Camp, Cass, Morris, Titus, Upshur	28 min
Apr 29, 7:16 PM CDT	Tornado Warning	SHV	Camp, Cass, Harrison, Marion, Morris, Upshur	23 min
Apr 29, 7:24 PM CDT	Flash Flood Warning	SHV	Bowie, Red River	10 hr
Apr 29, 7:25 PM CDT	Special Weather Statement	SHV	Upshur	35 min
Apr 29, 7:35 PM CDT	Tornado Warning	SHV	Cherokee, Nacogdoches, Rusk	40 min
Apr 29, 7:38 PM CDT	Severe Thunderstorm Warning	SHV	Cherokee, Gregg, Rusk, Smith, Upshur	52 min
Apr 29, 7:38 PM CDT	Severe Thunderstorm Warning	SHV	Camp, Cass, Marion, Morris, Upshur	21 min
Apr 29, 7:45 PM CDT	Flash Flood Warning	SHV	Smith, Upshur, Wood	10 hr
Apr 29, 7:59 PM CDT	Severe Thunderstorm Warning	SHV	Angelina, Cherokee, Nacogdoches, Rusk, Shelby	46 min
Apr 29, 8:41 PM CDT	Special Weather Statement	SHV	Angelina, San Augustine, Shelby	49 min
Apr 29, 8:46 PM CDT	Severe Thunderstorm Warning	SHV	Nacogdoches, Panola, Rusk, San Augustine, Shelby	44 min
Apr 29, 9:08 PM CDT	Special Weather Statement	SHV	Marion	52 min
Apr 29, 9:15 PM CDT	Special Weather Statement	SHV	Harrison, Rusk	45 min
Apr 29, 9:21 PM CDT	Flash Flood Warning	SHV	Cass, Gregg, Harrison, Marion, Panola, Rusk	8 hr
Apr 29, 9:32 PM CDT	Special Weather Statement	SHV	Shelby	43 min
Apr 29, 10:09 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Red River	66 min
Apr 29, 10:27 PM CDT	Tornado Warning	SHV	Harrison, Panola	33 min
Apr 29, 10:57 PM CDT	Tornado Warning	SHV	Harrison, Marion	33 min
Apr 29, 11:09 PM CDT	Flash Flood Warning	SHV	Cherokee, Nacogdoches	8 hr
Apr 29, 11:25 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Cass	65 min
Apr 29, 11:32 PM CDT	Flash Flood Warning	SHV	Bowie, Cass, Harrison, Marion, Morris, Upshur	8 hr
Apr 30, 12:13 AM CDT	Severe Thunderstorm Warning	SHV	Cass, Gregg, Harrison, Marion, Panola, Rusk	62 min
Apr 30, 12:35 AM CDT	Tornado Warning	SHV	Harrison	55 min
Apr 30, 12:58 AM CDT	Tornado Warning	SHV	Harrison, Marion	47 min
Apr 30, 3:34 AM CDT	Areal Flood Advisory	SHV	Angelina, Nacogdoches	3 hr
Apr 30, 3:42 AM CDT	Areal Flood Advisory	SHV	Panola	3 hr
Apr 30, 3:45 AM CDT	Special Weather Statement	SHV	Sabine, Shelby	45 min
Apr 30, 3:55 AM CDT	Severe Thunderstorm Warning	SHV	Angelina, Nacogdoches, Sabine, San Augustine	65 min
Apr 30, 4:16 AM CDT	River Flood Warning	SHV	Angelina, Cherokee, Nacogdoches	6 days
Apr 30, 4:20 AM CDT	River Flood Warning	SHV	Panola, Shelby	9 days
Apr 30, 4:22 AM CDT	River Flood Warning	SHV	Nacogdoches, Rusk	3 days
Apr 30, 4:23 AM CDT	River Flood Warning	SHV	Cherokee, Nacogdoches, Rusk, Smith	4 days
Apr 30, 4:25 AM CDT	River Flood Warning	SHV	Wood	5 days
Apr 30, 4:25 AM CDT	River Flood Warning	SHV	Gregg	55 hr
Apr 30, 4:26 AM CDT	River Flood Warning	SHV	Upshur, Wood	4 days
Apr 30, 4:30 AM CDT	Severe Thunderstorm Warning	SHV	Shelby	60 min
Apr 30, 4:54 AM CDT	Tornado Warning	SHV	Sabine, San Augustine	49 min
Apr 30, 5:21 AM CDT	Areal Flood Warning	SHV	Bowie, Camp, Cass, Franklin, Morris, Red River and 1 more	6 hr
Apr 30, 5:28 AM CDT	Areal Flood Warning	SHV	Gregg, Harrison, Panola, Rusk, Shelby	6 hr
Apr 30, 5:46 AM CDT	Areal Flood Warning	SHV	Smith, Upshur, Wood	6 hr
Apr 30, 6:15 AM CDT	Special Weather Statement	SHV	Sabine	45 min
Apr 30, 7:03 AM CDT	Areal Flood Warning	SHV	Cherokee, Nacogdoches	6 hr
Apr 30, 7:27 AM CDT	Areal Flood Warning	SHV	Bowie, Cass, Marion	6 hr
Apr 30, 7:36 AM CDT	River Flood Warning	SHV	Cass, Harrison, Marion	13 days
Apr 30, 7:37 AM CDT	River Flood Warning	SHV	Cass, Marion	8 days
Apr 30, 7:38 AM CDT	River Flood Warning	SHV	Gregg, Harrison, Marion, Upshur	7 days
Apr 30, 11:47 AM CDT	Areal Flood Warning	SHV	Gregg, Harrison, Panola, Rusk, Shelby	3 hr
Apr 30, 1:27 PM CDT	Areal Flood Warning	SHV	Bowie, Cass, Marion	3 hr

Nearby

Tornado Warnings in Texas, 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.