Storm Events Database

Storm Events Database

Event Details:

Event Tornado
-- Scale EF1
-- Length 0.42 Miles
-- Width 50 Yards
State LOUISIANA
County/Area WINN
WFO SHV
Report Source NWS Storm Survey
NCEI Data Source CSV
Begin Date 2018-11-05 16:50 CST-6
Begin Location 5NE ATLANTA
Begin Lat/Lon 31.8582/-92.7032
End Date 2018-11-05 16:51 CST-6
End Location 5NE ATLANTA
End Lat/Lon 31.8615/-92.6971
Deaths Direct/Indirect 0/0 (fatality details below, when available...)
Injuries Direct/Indirect 0/0
Property Damage 0.00K
Crop Damage 0.00K
Episode Narrative A broad upper level trough of low pressure swept east across the Plains during the afternoon and evening hours of November 5th, with the southern extent of the trough traversing Oklahoma and Arkansas. This trough reinforced a cold front southeast across East Texas, Northwest Louisiana, and Southwest Arkansas during the afternoon and evening, with southerly winds to the south allowing for a warm front to lift north into portions of Deep East Texas and Northcentral Louisiana. This allowed for ample low level moisture return northward across these areas, with the associated cloud cover keeping instability limited during the afternoon. However, strong low level shear was present, with enough forcing allowing for severe discrete supercells to develop during the mid and late afternoon hours near and south of the warm front over portions of Northwest and Northcentral Louisiana. These supercells spawned a total of 8 separate tornadoes during the afternoon, before large scale forcing and the strong low level shear shifted east with the trough passage during the evening.
It should be noted that these tornadoes produced very little if any lightning, given the shallow nature of the convection.
Event Narrative An EF-1 tornado with maximum estimated winds near 100 mph, touched down briefly along Highway 34 several miles northeast of the Atlanta community in Southwest Winn Parish, where it snapped or uprooted numerous trees along the highway.


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Event Map:

Note: The tornado track is approximate based on the beginning (B) and ending (E) locations. The actual tornado path may differ from a straight line.
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Measure
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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
NATCHEZ NATCHITOCHES PAR. LA 11/05/2018 16:11 CST-6 Tornado EF1 0 0 50.00K 0.00K
ST MAURICE WINN PAR. LA 11/05/2018 16:24 CST-6 Tornado EF1 0 0 0.00K 0.00K
BOLEYN SABINE PAR. LA 11/05/2018 16:44 CST-6 Tornado EF2 0 0 0.00K 0.00K
MARTHAVILLE NATCHITOCHES PAR. LA 11/05/2018 16:47 CST-6 Tornado EF2 0 0 125.00K 0.00K
ATLANTA WINN PAR. LA 11/05/2018 16:50 CST-6 Tornado EF1 0 0 0.00K 0.00K
JOYCE WINN PAR. LA 11/05/2018 17:09 CST-6 Tornado EF1 0 0 0.00K 0.00K
GRAND ECORE NATCHITOCHES PAR. LA 11/05/2018 17:25 CST-6 Tornado EF2 0 0 150.00K 0.00K
HICKORY VLY WINN PAR. LA 11/05/2018 17:30 CST-6 Tornado EF1 0 0 0.00K 0.00K
SPARTA BIENVILLE PAR. LA 11/05/2018 17:35 CST-6 Tornado EF1 0 0 0.00K 0.00K
COLDWATER WINN PAR. LA 11/05/2018 17:49 CST-6 Tornado EF2 0 0 0.00K 0.00K
Totals: 0 0 325.00K 0.00K