Storm Events Database

Event Details

Event Tornado
-- Scale EF1
-- Length 3.26 Miles
-- Width 275 Yards
County/Area GRANT
Report Source NWS Storm Survey
NCDC Data Source CSV
Begin Date 2011-04-04 13:42:00.0 CST-6
Begin Location 5SSE ZION
Begin Lat/Lon 31.72/-92.41
End Date 2011-04-04 13:45:00.0 CST-6
End Location 7ESE ZION
End Lat/Lon 31.7278/-92.3553
Deaths Direct/Indirect 0/0 (fatality details below, when available...)
Injuries Direct/Indirect 0/0
Property Damage 50.00K
Crop Damage 0.00K
Episode Narrative A strong upper level short wave move from west to east across the Central Plains states of the U.S. driving a cold front southeast into the Four State Region. Strong to severe thunderstorms formed in the unstable air mass ahead of the cold front. The front and at least 3 lines of thunderstorms moved through the Four State Region from west to east during the day. Strong low level shear in the atmosphere allowed some thunderstorms to rotate, producing tornadoes with damaging straight line winds producing downbursts.
Event Narrative Tornado snapped/uprooted many trees and damaged several homes as it touched down just south of Georgetown, LA (Grant Parish), and crossed Highway 165 through the community of Selma into western LaSalle Parish. Numerous trees were uprooted/snapped, with some falling on homes as the tornado tore through the Zenoria community before it lifted just northeast of Highway 84 about 5 miles southeast of Tullos. Numerous trees along the path were snapped/uprooted. Falling trees blocked Highway 84. Several homes were damaged when trees fell on/through them. One car was crushed from a falling tree in the Zenoria community. One house directly affected from the tornado in Zenoria had some shingles removed from the roof, with a tin roof of a shop behind the home having been peeled off and thrown forward into some nearby trees.


All events for this episode:

Location County/Zone St. Date Time T.Z. Type Mag Dth Inj PrD CrD
Totals: 0 0 325.00K 0.00K
FOSTERS BOSSIER PAR. LA 04/04/2011 09:00 CST-6 Thunderstorm Wind 50 kts. EG 0 0 0.00K 0.00K
ANTIOCH CLAIBORNE PAR. LA 04/04/2011 09:30 CST-6 Thunderstorm Wind 52 kts. EG 0 0 0.00K 0.00K
NATCHITOCHES NATCHITOCHES PAR. LA 04/04/2011 12:38 CST-6 Hail 1.00 in. 0 0 0.00K 0.00K
MONTGOMERY GRANT PAR. LA 04/04/2011 12:59 CST-6 Thunderstorm Wind 55 kts. EG 0 0 0.00K 0.00K
ZION GRANT PAR. LA 04/04/2011 13:42 CST-6 Tornado EF1 0 0 50.00K 0.00K
ZENORIA LA SALLE PAR. LA 04/04/2011 13:45 CST-6 Tornado EF1 0 0 200.00K 0.00K
PINE GROVE OUACHITA PAR. LA 04/04/2011 13:58 CST-6 Hail 1.00 in. 0 0 0.00K 0.00K
SUMMERVILLE LA SALLE PAR. LA 04/04/2011 13:58 CST-6 Tornado EF2 0 0 75.00K 0.00K
Totals: 0 0 325.00K 0.00K