Alert archive / Texas / Tornado Warnings in 2017

Tornado Warning 35, NWS Shreveport, LA

April 2, 2017Panola County, Shelby County, Texas

NWS Shreveport, LA issued this tornado warning at Apr 2, 2017, 9:42 AM CDT for Panola County, Shelby County, Texas. It was in force for 48 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 2, 2017, 9:42 AM CDT (14:42 UTC)
Expired
Apr 2, 2017, 10:30 AM CDT
In force
48 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Panola County, TX, Shelby County, TX

The radar

The Shreveport radar (KSHV), 81 km from the middle of the area, began a volume at 14:42 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 nearest sounding before it

Shreveport, LA (KBAD), launched 12:00Z, 2.7 hours before the alert went out and 89 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 2017-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 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 2017-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 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
25 J/kg
Mixed-layer CIN
-354 J/kg
Mixed-layer LCL
1030 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
206 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

255 
WFUS54 KSHV 021442
TORSHV
TXC365-419-021530-
/O.NEW.KSHV.TO.W.0035.170402T1442Z-170402T1530Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Shreveport LA
942 AM CDT SUN APR 2 2017

The National Weather Service in Shreveport has issued a

* Tornado Warning for...
  Southeastern Panola County in northeastern Texas...
  Central Shelby County in eastern Texas...

* Until 1030 AM CDT
    
* At 941 AM CDT, a severe thunderstorm capable of producing a tornado
  was located 8 miles northeast of Martinsville, or 9 miles southwest
  of Center, moving north at 45 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. 

* Locations impacted include...
  Center, Tenaha, Timpson, Joaquin, Gary City, Arcadia, James,
  Jericho, Stockman, Woods and Paxton.

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.

&&

LAT...LON 3166 9441 3169 9441 3171 9442 3174 9441
      3177 9443 3180 9442 3183 9444 3211 9440
      3206 9405 3199 9404 3199 9402 3191 9398
      3163 9420
TIME...MOT...LOC 1441Z 201DEG 40KT 3171 9432 

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

$$

06
3 follow-up statements
777 
WWUS54 KSHV 021500
SVSSHV

Severe Weather Statement
National Weather Service Shreveport LA
1000 AM CDT SUN APR 2 2017

TXC365-419-021530-
/O.CON.KSHV.TO.W.0035.000000T0000Z-170402T1530Z/
Panola TX-Shelby TX-
1000 AM CDT SUN APR 2 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 AM CDT FOR
SOUTHEASTERN PANOLA AND NORTHWESTERN SHELBY COUNTIES...
    
At 959 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Timpson, or 11 miles northwest of Center, moving
north at 45 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. 

Locations impacted include...
Tenaha, Timpson, Gary City, Woods and Paxton. 

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.

&&

LAT...LON 3184 9443 3211 9440 3206 9405 3181 9425
TIME...MOT...LOC 1459Z 187DEG 39KT 3191 9432 

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

$$

12
535 
WWUS54 KSHV 021514
SVSSHV

Severe Weather Statement
National Weather Service Shreveport LA
1014 AM CDT SUN APR 2 2017

TXC419-021523-
/O.CAN.KSHV.TO.W.0035.000000T0000Z-170402T1530Z/
Shelby TX-
1014 AM CDT SUN APR 2 2017

...THE TORNADO WARNING FOR NORTHWESTERN SHELBY COUNTY IS CANCELLED...
    
The thunderstorm which prompted the warning has moved out of the 
warned area. Therefore, the warning has been cancelled.

LAT...LON 3199 9441 3211 9440 3208 9419 3198 9425
TIME...MOT...LOC 1513Z 201DEG 40KT 3206 9425 

$$

TXC365-021530-
/O.CON.KSHV.TO.W.0035.000000T0000Z-170402T1530Z/
Panola TX-
1014 AM CDT SUN APR 2 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 AM CDT FOR SOUTH
CENTRAL PANOLA COUNTY...
    
At 1013 AM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles southeast of Carthage, moving north at 45 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. 

Locations impacted include...
Gary City and Woods. 

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.

&&

LAT...LON 3199 9441 3211 9440 3208 9419 3198 9425
TIME...MOT...LOC 1513Z 201DEG 40KT 3206 9425 

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

$$

12
840 
WWUS54 KSHV 021524
SVSSHV

Severe Weather Statement
National Weather Service Shreveport LA
1024 AM CDT SUN APR 2 2017

TXC365-021533-
/O.EXP.KSHV.TO.W.0035.000000T0000Z-170402T1530Z/
Panola TX-
1024 AM CDT SUN APR 2 2017

...THE TORNADO WARNING FOR SOUTH CENTRAL PANOLA COUNTY WILL EXPIRE AT
1030 AM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire.

LAT...LON 3199 9441 3211 9440 3208 9419 3198 9425
TIME...MOT...LOC 1523Z 201DEG 40KT 3215 9421 

$$

12

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 4:30 AM CDTFlash Flood WatchSHVAngelina, Cherokee, Gregg, Harrison, Marion, Nacogdoches and 8 more23 hr
Apr 2, 8:26 AM CDTSpecial Weather StatementSHVCherokee49 min
Apr 2, 8:53 AM CDTSpecial Weather StatementSHVCherokee52 min
Apr 2, 9:04 AM CDTSpecial Weather StatementSHVNacogdoches41 min
Apr 2, 9:10 AM CDTSevere Thunderstorm WarningSHVAngelina, Cherokee, Nacogdoches, Rusk65 min
Apr 2, 9:22 AM CDTSevere Thunderstorm WarningSHVAngelina, Cherokee, Nacogdoches53 min
Apr 2, 9:25 AM CDTSpecial Weather StatementSHVPanola, Shelby35 min
Apr 2, 10:13 AM CDTSevere Thunderstorm WarningSHVAngelina, Nacogdoches47 min
Apr 2, 10:34 AM CDTSpecial Weather StatementSHVHarrison, Panola41 min
Apr 2, 10:56 AM CDTSevere Thunderstorm WarningSHVNacogdoches, Panola, Rusk, San Augustine, Shelby64 min
Apr 2, 11:34 AM CDTSevere Thunderstorm WarningSHVHarrison, Nacogdoches, Panola, San Augustine, Shelby56 min
Apr 2, 11:41 AM CDTTornado WarningSHVShelby49 min
Apr 2, 11:56 AM CDTTornado Warning Tornado observedSHVPanola, Shelby49 min
Apr 2, 12:42 PM CDTSevere Thunderstorm WarningSHVGregg, Harrison, Marion, Nacogdoches, Panola, Rusk and 1 more63 min
Apr 2, 12:51 PM CDTAreal Flood WarningSHVNacogdoches3 hr
Apr 2, 1:02 PM CDTTornado WarningSHVHarrison, Panola43 min
Apr 2, 1:09 PM CDTSevere Thunderstorm WarningSHVAngelina, Cherokee, Nacogdoches, Rusk, San Augustine66 min
Apr 2, 1:16 PM CDTTornado WarningSHVNacogdoches, Panola, San Augustine, Shelby44 min
Apr 2, 1:41 PM CDTRiver Flood WarningSHVAngelina, Cherokee, Nacogdoches5 days
Apr 2, 1:41 PM CDTRiver Flood WarningSHVNacogdoches, Rusk, San Augustine, Shelby5 days
Apr 2, 1:41 PM CDTTornado WarningSHVBowie, Camp, Cass, Marion, Morris, Titus and 1 more34 min
Apr 2, 1:46 PM CDTRiver Flood WarningSHVAnderson, Cherokee, Houston, Trinity4 days
Apr 2, 1:46 PM CDTRiver Flood WarningSHVAngelina, Houston, Polk, Trinity, Tyler4 days
Apr 2, 1:46 PM CDTRiver Flood WarningSHVGregg67 hr
Apr 2, 1:52 PM CDTSevere Thunderstorm WarningSHVAngelina, Nacogdoches, Panola, Sabine, San Augustine, Shelby53 min
Apr 2, 2:41 PM CDTSevere Thunderstorm WarningSHVSabine64 min
Apr 2, 3:05 PM CDTTornado WarningSHVSabine40 min

Nearby

Tornado Warnings in Texas, 2017Every tornado warning in 2017Tornadoes in 2017

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.