Alert archive / Texas / Tornado Warnings in 2015

Tornado Warning 3, NWS Shreveport, LA

April 9, 2015Cherokee County, Smith County, Texas

NWS Shreveport, LA issued this tornado warning at Apr 9, 2015, 6:30 PM CDT for Cherokee County, Smith County, Texas. It was in force for 60 min. 2 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: Apr 9, 2015, 6:30 PM CDT (23:30 UTC)
Expired: Apr 9, 2015, 7:30 PM CDT
In force: 60 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Cherokee County, TX, Smith County, TX

The radar

The Shreveport radar (KSHV), 134 km from the middle of the area, began a volume at 23:33 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

Time	Report	Where	Remark
Apr 9, 6:32 PM CDT	TSTM WND DMG	6 Sse Bullard, TX	DAMAGE TO TREES AND STORAGE BUILDING AT COUNTY ROAD 2914 AND HWY 69
Apr 9, 6:38 PM CDT	TORNADO	6 Se Bullard, TX	EF-2 TORNADO NE OF MOUNT SELMAN AFFECTED THE MIXON COMMUNITY. PATH LENGTH OF 1.77 MILES. PATH WIDTH OF 340 YARDS.

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.

Issued	Product	Office	Lasted
Apr 9, 3:06 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Shreveport, LA (KBAD), launched 12:00Z, 11.5 hours before the alert went out and 143 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: 641 J/kg
Mixed-layer CIN: -116 J/kg
Mixed-layer LCL: 674 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 207 m²/s²
0-3 km storm-relative helicity: 244 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 4.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

831 
WFUS54 KSHV 092330
TORSHV
TXC073-423-100030-
/O.NEW.KSHV.TO.W.0003.150409T2330Z-150410T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
630 PM CDT THU APR 9 2015

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL CHEROKEE COUNTY IN NORTHEASTERN TEXAS...
  SOUTHEASTERN SMITH COUNTY IN NORTHEASTERN TEXAS...

* UNTIL 730 PM CDT
    
* AT 630 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER MOUNT SELMAN...OR 8 MILES NORTH OF
  JACKSONVILLE...MOVING EAST AT 20 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...
  MIXON AROUND 645 PM CDT.
  TROUP AROUND 705 PM CDT.
  ARP AROUND 725 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
CONCORD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING ISSUED
FOR THE SAME AREA.

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 3200 9532 3214 9537 3230 9499 3201 9499
TIME...MOT...LOC 2330Z 251DEG 18KT 3208 9530 

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

$$

15

1 follow-up statement

430 
WWUS54 KSHV 092347
SVSSHV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
647 PM CDT THU APR 9 2015

TXC073-423-100030-
/O.CON.KSHV.TO.W.0003.000000T0000Z-150410T0030Z/
CHEROKEE TX-SMITH TX-
647 PM CDT THU APR 9 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR NORTH
CENTRAL CHEROKEE AND SOUTHEASTERN SMITH COUNTIES...
    
AT 647 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED JUST SOUTHWEST OF TROUP...OR 7 MILES SOUTH OF WHITEHOUSE...MOVING EAST
NORTHEAST AT 30 MPH. IF YOU LIVE NEAR TROUP...TAKE COVER NOW!

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...
  TROUP AROUND 655 PM CDT.
  ARP AROUND 705 PM CDT.
  OVERTON AROUND 720 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
CONCORD.

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 3200 9532 3214 9537 3230 9499 3201 9499
TIME...MOT...LOC 2346Z 247DEG 25KT 3212 9517 

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

$$

15

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 9, 5:00 AM CDT	Lake Wind Advisory	SHV	Camp, Cherokee, Franklin, Gregg, Morris, Red River and 5 more	14 hr
Apr 9, 2:57 PM CDT	Special Weather Statement	SHV	Camp, Upshur, Wood	63 min
Apr 9, 3:38 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Cass	37 min
Apr 9, 3:56 PM CDT	Severe Thunderstorm Warning	SHV	Cass	34 min
Apr 9, 4:20 PM CDT	Severe Thunderstorm Warning	SHV	Cass	25 min
Apr 9, 4:20 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Cass	40 min
Apr 9, 4:32 PM CDT	Severe Thunderstorm Warning	SHV	Bowie	28 min
Apr 9, 4:34 PM CDT	Severe Thunderstorm Warning	SHV	Bowie	26 min
Apr 9, 4:36 PM CDT	Special Weather Statement	SHV	Smith, Upshur	39 min
Apr 9, 4:51 PM CDT	Severe Thunderstorm Warning	SHV	Camp, Gregg, Harrison, Marion, Smith, Upshur and 1 more	54 min
Apr 9, 5:26 PM CDT	Severe Thunderstorm Warning	SHV	Cass, Harrison, Marion	49 min
Apr 9, 5:31 PM CDT	Severe Thunderstorm Warning	SHV	Camp, Cass, Harrison, Marion, Morris, Titus and 1 more	59 min
Apr 9, 5:56 PM CDT	Special Weather Statement	SHV	Smith	49 min
Apr 9, 6:10 PM CDT	Severe Thunderstorm Warning	SHV	Cherokee, Smith	65 min

Nearby

Tornado Warnings in Texas, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.