Strong to severe thunderstorms developed during the afternoon hours of the 21st over eastern Kansas, north central Oklahoma, and western Oklahoma as a cold front moved into the area. These thunderstorms evolved into a solid line as they moved east into northwestern Arkansas during the late evening hours of the 21st and early morning hours of the 22nd. The storms produced damaging wind and large hail as they moved through the area.

Thunderstorm Wind in WASHINGTON, ARKANSAS
From 21-OCT-17 23:38:00 to 21-OCT-17 23:38:00 (CST-6)
Location: WEST FORK
Magnitude: 61.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: COOP Observer

Strong thunderstorm wind uprooted a large tree and damaged a barn.

Thunderstorm Wind in SEBASTIAN, ARKANSAS
From 21-OCT-17 23:57:00 to 21-OCT-17 23:57:00 (CST-6)
Location: (FSM)FT SMITH MUNI A
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The weather observing system at the Fort Smith Regional Airport measured 64 mph thunderstorm wind gusts.

Thunderstorm Wind in SEBASTIAN, ARKANSAS
From 22-OCT-17 00:05:00 to 22-OCT-17 00:05:00 (CST-6)
Location: (FSM)FT SMITH MUNI A
Magnitude: 56.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Strong thunderstorm wind damaged the roofs of two buildings and uprooted trees.

Thunderstorm Wind in SEBASTIAN, ARKANSAS
From 22-OCT-17 00:07:00 to 22-OCT-17 00:07:00 (CST-6)
Location: BARLING
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Strong thunderstorm wind snapped numerous large tree limbs and uprooted trees.

Thunderstorm Wind in SEBASTIAN, ARKANSAS
From 22-OCT-17 00:07:00 to 22-OCT-17 00:07:00 (CST-6)
Location: GREENWOOD
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A storm spotter measured thunderstorm wind gusts to 65 mph.

Thunderstorm Wind in SEBASTIAN, ARKANSAS
From 22-OCT-17 00:11:00 to 22-OCT-17 00:11:00 (CST-6)
Location: LAVACA
Magnitude: 65.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Strong thunderstorm wind damaged the roof and exterior walls of a building on Military Road. The strong wind also uprooted trees.

Hail in SEBASTIAN, ARKANSAS
From 22-OCT-17 00:16:00 to 22-OCT-17 00:16:00 (CST-6)
Location: FT SMITH
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in SEBASTIAN, ARKANSAS
From 22-OCT-17 00:16:00 to 22-OCT-17 00:16:00 (CST-6)
Location: FT SMITH
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A storm spotter estimated thunderstorm wind gusts to 60 mph.

Thunderstorm Wind in FRANKLIN, ARKANSAS
From 22-OCT-17 00:20:00 to 22-OCT-17 00:20:00 (CST-6)
Location: CHARLESTON
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Strong thunderstorm wind uprooted trees and snapped numerous large tree limbs. Several streets were blocked by fallen trees in town.

Thunderstorm Wind in FRANKLIN, ARKANSAS
From 22-OCT-17 00:20:00 to 22-OCT-17 00:20:00 (CST-6)
Location: CHARLESTON
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Strong thunderstorm wind blew down trees onto Highway 20 on the west side of town.

Hail in FRANKLIN, ARKANSAS
From 22-OCT-17 00:25:00 to 22-OCT-17 00:25:00 (CST-6)
Location: CHARLESTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in CARROLL, ARKANSAS
From 22-OCT-17 00:25:00 to 22-OCT-17 00:25:00 (CST-6)
Location: GREEN FOREST
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Strong thunderstorm wind damaged the roof of a church.