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176 NOUS44 KTSA 152124 PNSTSA OKZ060-160930- Public Information Statement National Weather Service Tulsa OK 424 PM CDT Sun Apr 15 2018 ...NWS DAMAGE SURVEY FOR 04/13/18 TORNADO EVENT... .OVERVIEW...A supercell developed over northeastern Le Flore County Oklahoma during the afternoon of April 13th. The storm intensified as it moved northeast into northern Sebastian County and southern Crawford County Arkansas, where it produced a strong tornado. Another storm produced a weak tornado over northeastern Sebastian County Arkansas and southwestern Franklin County Arkansas. An NWS storm damage survey team investigated these areas on April 14th. The following summarizes the results of their survey. .Mountainburg Arkansas Tornado... Rating: EF-2 Estimated Peak Wind: 110 to 120 mph Path Length /Statute/: 11.7 miles Path Width /Maximum/: 1000 yards Fatalities: 0 Injuries: 4 Start Date: April 13 2018 Start Time: 404 pm CDT Start Location: 1.5 NNE Rudy / Crawford County / AR Start Lat/Lon: 35.5490 / -94.2621 End Date: April 13 2018 End Time: 419 pm CDT End Location: 3.1 ESE Chester / Crawford County / AR End Lat/Lon: 35.6730 / -94.1222 Survey Summary: This tornado developed north of Rudy where numerous trees were snapped and uprooted as it crossed Frog Bayou Drive. The tornado then severely damage a home, destroyed outbuildings, and snapped or uprooted numerous trees on Stapp Lane. Outbuildings were destroyed and numerous trees were snapped or uprooted as the tornado crossed Lancaster Road and County Road 27. The tornado continued to move northeast across Highway 282 and I-49 where several cars were rolled off the highway and severe damage to trees was noted. Several mobile homes were destroyed, a permanent home was damaged, and severe tree damage was noted as the tornado moved across Overlook Trail. A well-built outbuilding was destroyed and a home was severely damaged on Locust Mountain Road. Numerous trees were also snapped and uprooted in this area. Another home was severely damaged on Dollard Road before moving into Mountainburg, where numerous homes and businesses were damaged, outbuildings were destroyed, and trees and power poles were blown down. The tornado then moved south and finally east of Lake Fort Smith, where homes were damaged, outbuildings were destroyed, and trees and power poles were blown down. .Lavaca Arkansas Tornado... Rating: EF-1 Estimated Peak Wind: 85 to 95 mph Path Length /Statute/: 5.6 miles Path Width /Maximum/: 400 yards Fatalities: 0 Injuries: 0 Start Date: April 13 2018 Start Time: 546 pm CDT Start Location: 4.3 E Lavaca / Crawford County / AR Start Lat/Lon: 35.3300 / -94.1006 End Date: April 13 2018 End Time: 554 pm CDT End Location: 6 SW Cecil / Franklin County / AR End Lat/Lon: 35.3896 / -94.0341 Survey Summary: This tornado developed about a mile west of the Sebastian/Franklin County line near Military Road where trees were uprooted and power poles were snapped. The tornado moved northeast and damaged a mobile home, and uprooted trees as it crossed James Road and Ridge Road. Large tree limbs were snapped as it crossed Highway 217 and Highway 215 before dissipating south of Case Road. EF Scale: The enhanced Fujita scale classifies tornadoes into the following categories. EF0...weak......65 To 85 mph EF1...weak......86 to 110 mph EF2...strong....111 to 135 mph EF3...strong....136 to 165 mph EF4...violent...166 to 200 mph EF5...violent...>200 mph Note: The information in this statement is preliminary and subject to change pending final review of the events and publication in NWS Storm Data. $$ EJC/SRC