National Weather Service United States Department of Commerce

Extreme Fire Weather Threat in Southern California; Chilly Weather for Much of U.S.; Heavy Rain in South Plains

Cold, Canadian air will cause Santa Ana winds to develop across southern California for extreme fire weather threats early this week, and critical Fire Weather threats through mid-week. This cold air is also plunging much of the U.S. below to much below normal temperatures, especially, across the High Plains. Heavy rains continue across the South Plains as moist air rides over this cold front. Read More >

Overview

A strong mesoscale convective system swept across the ArkLaTex during the evening and nighttime hours of April 24, 2015. Bow echoes developed which produced widespread straight-line wind damage across East Texas, Northwest and North Central Louisiana, and into Southern Arkansas. Embedded supercells also developed producing a few tornadoes. In particular, suspected tornado damage was reported southwest of Gilmer in Upshur County, northwest of Linden in Cass County, and southwest of Junction City in Claiborne Parish. Survey teams from the National Weather Service office in Shreveport, LA, deployed to investigate the damage. Three tornadoes were confirmed, one each in Upshur & Cass Counties and Claiborne Parish. These tornadoes were all rated EF1.

Details from the survey can be found below. The survey information should be considered preliminary and subject to change.

TOTAL TORNADO COUNT = 3

EF1 = 3
 
TOR. # START POINT END
POINT
RATING PEAK WIND START TIME END TIME LENGTH/
WIDTH
FATALITIES/
INJURIES
REMARKS
#1 8.5 miles WSW of Gilmer, Upshur County, TX 6.5 miles WSW of Gilmer, Upshur County, TX EF1 95-105
mph
8:43pm CDT 8:47pm CDT 2 miles/  700 yards None Damaged consisted of numerous trees uprooted and snapped. One tree fell on a house causing minor to moderate damage. Damage in the Union Hill area was also surveyed but was determined to be associated with straight-line winds. Union Hill High School sustained roof damage and several homes had damage due to trees falling on them.
#2 8 miles NW of Linden, Cass County, TX 8.12 miles N of Linden, Cass County, TX EF1 95-105 mph 9:16pm CDT 9:24pm CDT 6.35 miles/
275 yards
None Damage consisted of numerous trees uprooted and snapped. Several trees took out power lines in the area.
#3 7 miles ESE of Haynesville, Claiborne Parish, LA 9 miles WSW of Junction City, Claiborne Parish, LA EF1 95-105 mph 10:40pm CDT 10:53pm CDT 9.42 miles/
820 yards
None Damage consisted of numerous trees uprooted and snapped. One house received major damage when a tree fell on it.

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