National Weather Service United States Department of Commerce
Overview
A very strong storm system brought severe weather and a tornado outbreak to the Four State Region during the afternoon and evening of January 21, 2017. Several reports of large hail, some up to two inches in diameter, were received from Northwest Louisiana and Southern Arkansas. Several reports, pictures, and videos of tornadoes were also received by the NWS office in Shreveport. Survey teams from the NWS confirmed a total 12 tornadoes occurred. Details of the survey are listed below. The information on this web page is considered preliminary and subject to change.
 

TOTAL TORNADO COUNT = 12

EF0 = 2
EF1 = 6
EF2 = 4
 
TOR. # START POINT END
POINT
RATING PEAK WIND START TIME END TIME LENGTH/
WIDTH
FATALITIES/
INJURIES
REMARKS
JANUARY 21, 2017
#1 0.35 miles WNW of Scottsville, Harrison County, TX 5.27 miles NNE of Scottsville, Harrison County, TX EF2 120
mph
4:18pm CST 4:35pm CST 7 miles/
230 yards
None Damage consisted of numerous trees snapped and/or uprooted along with numerous downed power lines. The tornado began along Highway 80 one mile west of FM 2199 and continued northeast crossing FM 1998. The tornado did its most destructive damage on Tramel Lane where trees were downed on several homes. One home had its roof removed. The tornado continued north northeast along Harkins Lane where more trees were uprooted. The tornado finally dissipated on Cowpen Road.
#2 3.70 miles WNW of Jefferson, Marion County, TX 3.77 miles WNW of Jefferson, Marion County, TX EF1 100
mph
4:19pm CST 4:23pm CST 0.80 miles/
100 yards
None Numerous trees were snapped and/or uprooted and numerous power lines were downed. This short-tracked tornado did most of its damage on Kellyville Cutoff Road just south of FM 729 before lifting near Highway 49 in the Kellyville community. One home was damaged with the roof removed from a single-wide mobile home. One large tree fell on an outbuilding near Highway 49. The tornado lifted before reaching the Berea community.
#3 1.33 miles WNW of Smithland, Marion County, TX 3.14 miles SW of Rodessa, Caddo Parish, LA EF2 130
mph
4:50pm CST 5:28pm CST 13.30 miles/
800 yards
None Damage consisted of numerous trees snapped and/or uprooted and numerous downed power lines. The tornado began just west of Smithland, TX, near Highway 43 and intensified near Highway 49. The tornado moved several vehicles and deposited a party barge boat 200 yards into a grove of trees. Trees were downed on several homes, and a travel trailer was flipped.

The tornado continued in a northeast direction, crossing CR 3300 at which point it removed the roof of a home. A woman inside took shelter in a bathtub, and the tornado lifted the tub out of the home and deposited in in the woods with the woman still in the tub, but the woman was not injured.

The storm then moved along CR 3306 before entering far southeast Cass County, TX, on CR 4455. The storm then crossed over State Line Road and moved into northwest Caddo Parish, LA, northeast of Vivian, LA, and southwest of Rodessa, LA, where the roof was removed from a cinder block storage building. A single-wide mobile home was also shifted several feet off its foundation.

The tornado lifted on Old Atlanta Road just south of Myrtis Texas Line Road.
#4 3.75 miles ESE of Plain Dealing, Bossier Parish, LA 2.22 miles SW of Springhill, Webster Parish, LA EF2 115
mph
5:12pm CST 5:37pm CST 10.90 miles/
990 yards
1 injury Damage consisted of numerous hardwood and softwood trees snapped and/or uprooted. Numerous power lines were also downed along the storms path. Several structures were damaged by falling trees. The most significant structural damage was sustained by 2 mobile homes which were rolled and completely destroyed, along with several outbuildings. One injury was reported when a resident was hit in the head by a piece of lumber and was rendered briefly unconscious in a manufactured home that lost its roof and a couple of exterior walls. The worst structural damage was observed in a small area near and adjacent to Mott Road and Mott Oilfield Road.

The tornado continued in a northeast direction uprooted trees and downing power lines along its track, hitting the Muddy Bottoms ATV Park in extreme northwest Webster Parish. In the park, the tornado removed a portion of the roof of a building before lifting in the extreme northern portion of the park.
#5 3.89 miles SSW of Shongaloo, Webster Parish, LA 2.08 miles SE of Shongaloo, Webster Parish, LA EF1 105
mph
5:55pm CST 6:07pm CST 3.49 miles/
350 yards
None This tornado began along Elmer Moore Road and continued northeast across Rodney Martin Road to Wortham and Thomas Rhone Roads before crossing Highway 159 just south of Shongaloo. The tornado continued northeast before lifting along Hearn Road. Damage consisted of numerous trees that were snapped and/or uprooted. A tree fell on a carport and a portion of a mobile home on Wortham Road.
#6 0.53 miles NE of Natchez, Natchitoches Parish, LA 2.52 miles ENE of Natchez, Natchitoches Parish, LA EF2 125
mph
5:56pm CST 6:03pm CST 2.05 miles/
300 yards
1 injury Damage consisted of numerous trees snapped and/or uprooted, and numerous downed power lines. Five homes sustained significant damage. One home lost its roof and had three exterior walls collapse. One man injured his arm inside his home. Several outbuildings were also severely damage in and around the Cane River. The tornado dissipated just short of the Red River.
 #7 3.53 miles NW of Colfax, Grant Parish, LA 4.22 miles NNE of Colfax, Grant Parish, LA EF1 110
mph
7:00pm CST 7:13pm CST 2.25 miles/
150 yards
1 injury Damage consisted mainly of numerous trees snapped and/or uprooted and numerous downed power lines. A single-wide mobile home was flipped injuring a woman inside. A tree also fell on a home causing major damage. Several trees also fell on a local cemetery. Several barns and/or outbuildings sustained damage. A 3000-pound trailer was flipped and blocked Highway 71. A large TV antenna was also toppled onto a home.
#8 8.59 miles SW of El Dorado, Union County, AR 6.96 miles W of El Dorado, Union County, AR EF1 93
mph
7:04pm CST 7:09pm CST 2.87 miles/
75 yards
None Several small pine trees were snapped at the start of the damage path. As the storm continued north northeast towards Guinn Road and Highway 82, the tornado intensified and uprooted several large pine trees. The tornado traveled in a near northerly direction and lifted without much more damage.
#9 10.94 miles ESE of El Dorado, Union County, AR 10.96 miles E of El Dorado, Union County, AR EF0 74
mph
7:38pm CST 7:40pm CST 0.61 miles/
50 yards
None Damage consisted of a few small trees snapped near the Lawson community. The tornado hit a single-wide mobile home peeling back a portion of the roof with one portion of the wall detached. The tornado dissipated shortly thereafter.
#10 9.50 miles SSW of Georgetown, Grant Parish, LA 8.95 miles S of Georgetown, Grant Parish, LA EF1 100
mph
7:51pm CST 7:54pm CST 1.21 miles/
150 yards
None This tornado began on Highway 165 and moved east-northeast damaging Camp Hardtner where numerous trees were snapped and/or uprooted. Shingles were removed from several structures, and a tree fell on a home causing severe damage.
#11 Jena, LaSalle Parish, LA Jena, LaSalle Parish, LA EF1 100
mph
8:29pm CST 8:30pm CST 0.15 miles/
100 yards
None A brief EF1 tornado occurred in Jena. Snapped trees were observed west of Highway 3104 near Highway 8. A wooded barn was damaged, and an uprooted tree fell on a church. A gas station canopy was blown 50 yards away, and a brick facade from a local business collapsed from the wall of the building. Other storage buildings were also heavily damaged.
#12 5 miles SE of Marion, Union Parish, LA 5.32 miles SE of Marion, Union Parish, LA EF0 83
mph
8:48pm CST 8:49pm CST 0.69 miles/
50 yards
None A few small trees were snapped at the initial point of touchdown. The tornado moved east northeast and caused considerable damage to a metal shed and removed a metal roof from another outbuilding and deposited it in an open field before dissipating.
Click here to download the survey KMZ file.
This survey data is preliminary and subject to change as more information becomes available.  Road accessibility and inconsistencies between mapping and GPS software may limit the accuracy of the tracks plotted on this map. Line widths are not representative of actual tornado widths.  The information plotted on this map is intended for general reference use only. 

For official post-storm information, use 
Storm Data from the National Centers for Environmental Information.
Near Scottsville, TX Smithland, TX to Rodessa, LA Near Plain Dealing, LA
Near Scottsville, TX
Video of the tornado near Scottsville, TX. Courtesy of Jason Todd.
 
EF1 damage to a home north of Scottsville, TX
EF1 north of Scottsville, TX
 
Destroyed outbuilding north of Scottsville, TX
Destroyed outbuilding north of Scottsville, TX
EF2 damage to a home near Scottsville, TX
EF2 damage to a home near Scottsville, TX
   
Smithland, TX to Rodessa, LA
Video of the tornado crossing Highway 49 near Smithland, TX. Courtesy of Blake Brown.
EF2 damage to a home northeast of Smithland, TX
EF2 damage to a home northeast of Smithland, TX.
 
EF2 damage to a home northeast of Smithland, TX
EF2 damage to a home northeast of Smithland, TX
 
EF2 damage along the Texas/Louisiana state line southwest of Rodessa, LA
EF2 damage along the Texas/Louisiana state line southwest of Rodessa, LA
   
Northeast of Plain Dealing, LA
Tornado near Plain Dealing, LA. Video is courtesy of Michael Hollinger.
 
Manufactured home completely destroyed NE of Plain Dealing, LA
Manufactured home completely destroyed NE of Plain Dealing, LA
 
 
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