Alert archive / Texas / Tornado Warnings in 2013

Tornado Warning 15, NWS Shreveport, LA

February 18, 20134 counties in Texas

NWS Shreveport, LA issued this tornado warning at Feb 18, 2013, 5:59 PM CST for 4 counties in Texas. It was in force for 46 min. 5 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: Feb 18, 2013, 5:59 PM CST (23:59 UTC)
Expired: Feb 18, 2013, 6:45 PM CST
In force: 46 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon

Counties Nacogdoches County, TX, Panola County, TX, Rusk County, TX, Shelby County, TX

The radar

The Shreveport radar (KSHV), 80 km from the middle of the area, began a volume at 00:01 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
Feb 18, 6:01 PM CST	TORNADO	4 Nne Mount Enterprise, TX	A BRIEF EF0 TORNADO SNAPPED LARGE HARDWOOD BRANCHES ALONG HWY 315. THE PATH LENGTH WAS 20 YDS...THE PATH WIDTH WAS 10 YDS...AND MAXIMUM WINDS WERE ESTIMATED AT 70 MPH.
Feb 18, 6:12 PM CST	TORNADO	5 Ene Mount Enterprise, TX	A BRIEF EF0 TORNADO SNAPPED TREES AND WRAPPED AN ABOVE-GROUND SWIMMING POOL AROUND A TREE ALONG FM 95. THE PATH LENGTH WAS 50 YARDS...THE PATH WIDTH WAS 20 YARDS...AND MAXIMUM WINDS WERE ESTIMATED AT 75 MPH.
Feb 18, 6:19 PM CST	TORNADO	7 Nnw Garrison, TX	AN EF1 TORNADO PEELED THE ROOF OF A METAL BUILDING BACK...DAMAGED THE ROOF ON A MOBILE HOME...AND SNAPPED A FEW TREES ALONG US HWY 84 IN THE COMMUNITY OF CALEDONIA. THE PATH LENGTH WAS 50 YARDS...THE PATH WIDTH WAS 20 YARDS...AND MAXIMUM WINDS WERE ESTIMATED A
Feb 18, 6:22 PM CST	TSTM WND DMG	4 Ne Mount Enterprise, TX	TREE LIMBS THREE INCES IN DIAMETER WERE DOWN ALONG CR 3185
Feb 18, 6:37 PM CST	TORNADO	Timpson, TX	A BRIEF EF0 TORNADO SNAPPED SEVERAL LARGE LIMBS ALONG COUNTY ROAD 4916 AND US HWY 59. THE PATH LENGTH WAS 0.15 MILES...THE PATH WIDTH WAS 10 YARDS...AND MAXIMUM WINDS WERE ESTIMATED AT 70 MPH.

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
Feb 18, 2:19 PM CST	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 12.0 hours before the alert went out and 88 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: 668 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 510 m²/s²
0-3 km storm-relative helicity: 670 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

385 
WFUS54 KSHV 182359
TORSHV
TXC347-365-401-419-190045-
/O.NEW.KSHV.TO.W.0015.130218T2359Z-130219T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
559 PM CST MON FEB 18 2013

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL NACOGDOCHES COUNTY IN EASTERN TEXAS...
  WESTERN SHELBY COUNTY IN EASTERN TEXAS...
  SOUTHWESTERN PANOLA COUNTY IN NORTHEAST TEXAS...
  SOUTHEASTERN RUSK COUNTY IN NORTHEAST TEXAS...

* UNTIL 645 PM CST.

* AT 557 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 15 MILES
  NORTHWEST OF GARRISON...OR 15 MILES SOUTHEAST OF HENDERSON...MOVING
  EAST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  TIMPSON AND TENAHA...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 3193 9414 3169 9424 3191 9474 3204 9469
TIME...MOT...LOC 2359Z 289DEG 25KT 3196 9468

$$

12

1 follow-up statement

636 
WWUS54 KSHV 190028
SVSSHV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
628 PM CST MON FEB 18 2013

TXC347-365-190038-
/O.CAN.KSHV.TO.W.0015.000000T0000Z-130219T0045Z/
NACOGDOCHES TX-PANOLA TX-
628 PM CST MON FEB 18 2013

...THE TORNADO WARNING FOR SOUTHERN PANOLA AND NORTHERN NACOGDOCHES 
COUNTIES IS CANCELLED...

LAT...LON 3180 9443 3185 9445 3185 9454 3186 9458
      3197 9452 3198 9449 3193 9414 3172 9423
TIME...MOT...LOC 0028Z 275DEG 21KT 3191 9447

$$

TXC401-419-190045-
/O.CON.KSHV.TO.W.0015.000000T0000Z-130219T0045Z/
RUSK TX-SHELBY TX-
628 PM CST MON FEB 18 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CST FOR SHELBY
AND RUSK COUNTIES...

AT 624 PM CST...WEATHER SERVICE METEOROLOGISTS CONTINUED TO DETECT A
SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS TORNADO WAS LOCATED 6
MILES WEST OF TIMPSON...OR 19 MILES SOUTHWEST OF CARTHAGE...MOVING
EAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
STOCKMAN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 3180 9443 3185 9445 3185 9454 3186 9458
      3197 9452 3198 9449 3193 9414 3172 9423
TIME...MOT...LOC 0028Z 275DEG 21KT 3191 9447

$$

12

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 18, 3:02 PM CST	Severe Thunderstorm Warning	SHV	Bowie, Cass	58 min
Feb 18, 4:26 PM CST	Severe Thunderstorm Warning	SHV	Gregg, Rusk, Smith	49 min
Feb 18, 4:29 PM CST	Severe Thunderstorm Warning	SHV	Cass, Marion	46 min
Feb 18, 5:11 PM CST	Severe Thunderstorm Warning	SHV	Cherokee, Rusk, Smith	34 min
Feb 18, 5:13 PM CST	Tornado Warning	SHV	Gregg, Panola, Rusk	32 min
Feb 18, 5:16 PM CST	Severe Thunderstorm Warning	SHV	Harrison, Marion	29 min
Feb 18, 5:26 PM CST	Tornado Warning	SHV	Nacogdoches, Panola, Rusk, Shelby	34 min
Feb 18, 5:45 PM CST	Severe Thunderstorm Warning	SHV	Cherokee, Nacogdoches, Rusk	45 min
Feb 18, 5:45 PM CST	Tornado Warning	SHV	Panola, Rusk	45 min
Feb 18, 5:49 PM CST	Severe Thunderstorm Warning	SHV	Marion	26 min

Nearby

Tornado Warnings in Texas, 2013 Every tornado warning in 2013 Tornadoes in 2013

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.