Alert archive / Texas / Tornado Warnings in 2015

Tornado Warning 63, NWS Shreveport, LA

December 12, 2015Franklin County, Red River County, Titus County, Texas

NWS Shreveport, LA issued this tornado warning at Dec 12, 2015, 4:46 PM CST for Franklin County, Red River County, Titus County, Texas. It was in force for 29 min. 1 report 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
Dec 12, 2015, 4:46 PM CST (22:46 UTC)
Expired
Dec 12, 2015, 5:15 PM CST
In force
29 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Franklin County, TX, Red River County, TX, Titus County, TX

The radar

The Shreveport radar (KSHV), 165 km from the middle of the area, began a volume at 22:49 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

TimeReportWhereRemark
Dec 12, 4:59 PM CSTTORNADO6 Ssw Bogata, TXNWS SURVEY CREW CONFIRMS AN EF-1 TORNADO SSW OF BOGATA TX. SEVERAL TREES HAD LIMBS BROKEN OR SNAPPED TRUNKS. THE MOST SIGNIFICANT DAMAGE OCCURRED WHEN MOST OF THE ROOF WAS REMOVED FROM A TWO-STORY HOME.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Shreveport, LA (KBAD), launched 12:00Z, 10.8 hours before the alert went out and 170 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 2015-12-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 12:00Z on 2015-12-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 175 square meters per square second.19395878Sfc1 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
3 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
649 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
175 m²/s²
0-3 km storm-relative helicity
212 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.

887 
WFUS54 KSHV 122246
TORSHV
TXC159-387-449-122315-
/O.NEW.KSHV.TO.W.0063.151212T2246Z-151212T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
446 PM CST SAT DEC 12 2015

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN RED RIVER COUNTY IN NORTHEASTERN TEXAS...
  NORTHWESTERN TITUS COUNTY IN NORTHEASTERN TEXAS...
  NORTHERN FRANKLIN COUNTY IN NORTHEASTERN TEXAS...

* UNTIL 515 PM CST
    
* AT 445 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED NEAR MOUNT VERNON...OR 7 MILES SOUTHWEST OF HAGANSPORT...
  MOVING NORTH AT 35 MPH.

  HAZARD...TORNADO. 

  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...
  HAGANSPORT AND JOHNTOWN. 

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 3343 9531 3343 9509 3321 9524 3321 9531
TIME...MOT...LOC 2245Z 190DEG 20KT 3324 9528 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

09
1 follow-up statement
351 
WWUS54 KSHV 122306
SVSSHV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
506 PM CST SAT DEC 12 2015

TXC159-449-122315-
/O.CAN.KSHV.TO.W.0063.000000T0000Z-151212T2315Z/
TITUS TX-FRANKLIN TX-
506 PM CST SAT DEC 12 2015

...THE TORNADO WARNING FOR NORTHWESTERN TITUS AND NORTHERN FRANKLIN
COUNTIES IS CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS EXITED
NORTHWESTERN TITUS AND NORTHERN FRANKLIN COUNTIES. THEREFORE THE
WARNING HAS BEEN CANCELLED.

LAT...LON 3343 9516 3338 9518 3337 9519 3338 9521
      3337 9523 3337 9526 3338 9527 3337 9528
      3338 9531 3343 9531
TIME...MOT...LOC 2305Z 181DEG 24KT 3344 9527 

$$

TXC387-122315-
/O.CON.KSHV.TO.W.0063.000000T0000Z-151212T2315Z/
RED RIVER TX-
506 PM CST SAT DEC 12 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CST FOR
SOUTHWESTERN RED RIVER COUNTY...
    
AT 505 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR BOGATA...OR NEAR HAGANSPORT...MOVING NORTH AT 30 MPH.

HAZARD...TORNADO. 

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...
JOHNTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3343 9516 3338 9518 3337 9519 3338 9521
      3337 9523 3337 9526 3338 9527 3337 9528
      3338 9531 3343 9531
TIME...MOT...LOC 2305Z 181DEG 24KT 3344 9527 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

09

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 12, 4:27 AM CSTLake Wind AdvisorySHVAngelina, Bowie, Camp, Cass, Cherokee, Franklin and 15 more36 hr
Dec 12, 9:18 AM CSTRiver Flood WarningSHVBowie, Red River5 days
Dec 12, 9:18 AM CSTRiver Flood WarningSHVCass, Marion10 days
Dec 12, 9:18 AM CSTRiver Flood WarningSHVFranklin, Morris, Titus7 days
Dec 12, 3:43 PM CSTSpecial Weather StatementSHVWood47 min
Dec 12, 3:56 PM CSTTornado WarningSHVFranklin, Wood49 min
Dec 12, 5:03 PM CSTTornado WarningSHVRed River42 min

Nearby

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