A line of thunderstorms produced two brief tornadoes in northwest Alabama.  The line continued east producing strong and damaging winds in a few locations in northwest Alabama before crossing the rest of north Alabama during the early morning hours of the 18th.

Tornado in COLBERT, ALABAMA
From 17-DEC-16 23:37:00 to 17-DEC-16 23:38:00 (CST-6)
Location: PICKWICK LAKE
Tornado F-scale: EF0
Reported by: NWS Storm Survey

A survey team from the National Weather Service and Colbert County Emergency Management investigated significant tree damage in the Riverton area. The damage was associated with a weak tornado embedded in a line of thunderstorms along a cold front.  Numerous softwood trees were either uprooted or snapped just east of Bear Creek along Riverton Rose Trail. Damage was conducive to an EF-0 tornado with maximum winds speeds of 85 MPH.

Thunderstorm Wind in MADISON, ALABAMA
From 18-DEC-16 02:15:00 to 18-DEC-16 02:15:00 (CST-6)
Location: FISK
Magnitude: 61.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Public

Three large trees and one smaller tree were uprooted. Time estimated by radar.

Thunderstorm Wind in COLBERT, ALABAMA
From 17-DEC-16 11:39:00 to 17-DEC-16 11:39:00 (CST-6)
Location: RIVERTON
Magnitude: 52.00 EG
Reported by: Fire Department/Rescue

Multiple trees and power lines were knocked down in the Riverton area.  Time estimated by radar.

Thunderstorm Wind in LAUDERDALE, ALABAMA
From 17-DEC-16 23:38:00 to 17-DEC-16 23:38:00 (CST-6)
Location: WRIGHT
Magnitude: 52.00 EG
Reported by: Emergency Manager

Trees were knocked down on power lines. Time estimated by radar.

Tornado in FRANKLIN, ALABAMA
From 18-DEC-16 00:42:00 to 18-DEC-16 00:46:00 (CST-6)
Location: VINA
Tornado F-scale: EF0
Reported by: NWS Storm Survey

A survey team from the National Weather Service and Franklin County Emergency Management conducted a ground survey of damage in Vina.  An initially very weak and narrow tornado touched down in the Vina community along Highway 19 just west of Maple Street. Here some limbs were snapped off of a stand of trees on the south side of the road. Additional very minor tree damage was noted south of Highway 19. A tree was uprooted near a home along Cedar street south of Highway 19. Damage was once again noted on the south and west side of the Vina High School. On the south side, a large tree was snapped and a home sustained roof damage. The athletic fields sustained damage to the fences and a baseball dugout was destroyed. Several large unanchored objects here were thrown large distances. The school sustained roof damage in several locations including uplift of the roof on the main building. Windows were also blown out here by the wind with other damage due to the flying debris. Awnings were also destroyed connecting different portions of the school. The tornado was rated EF-0 here with maximum winds of 80 mph due to the damage to the roof in several different locations. The tornado lifted up and blew away shingles on another building here before lifting in the wooded area east-northeast of the school.

Thunderstorm Wind in LAUDERDALE, ALABAMA
From 17-DEC-16 23:43:00 to 17-DEC-16 23:43:00 (CST-6)
Location: WRIGHT
Magnitude: 52.00 EG
Reported by: Emergency Manager

Trees were knocked down on power lines. Time estimated by radar.

Thunderstorm Wind in LAUDERDALE, ALABAMA
From 17-DEC-16 23:45:00 to 17-DEC-16 23:45:00 (CST-6)
Location: RHODESVILLE
Magnitude: 65.00 EG
Reported by: Public

Power poles were snapped for about 1/2 mile along County Road 189 north of County Road 14. Time estimated by radar.

Thunderstorm Wind in LAUDERDALE, ALABAMA
From 18-DEC-16 00:00:00 to 18-DEC-16 00:00:00 (CST-6)
Location: SULLIVAN XRDS
Magnitude: 52.00 EG
Reported by: Emergency Manager

Trees were knocked down along County Road 15. Time estimated by radar.

Thunderstorm Wind in LAUDERDALE, ALABAMA
From 18-DEC-16 00:05:00 to 18-DEC-16 00:05:00 (CST-6)
Location: SULLIVAN XRDS
Magnitude: 52.00 EG
Reported by: Emergency Manager

A power pole was knocked down on County Road 6.

Thunderstorm Wind in LAUDERDALE, ALABAMA
From 18-DEC-16 00:06:00 to 18-DEC-16 00:06:00 (CST-6)
Location: RHODESVILLE
Magnitude: 52.00 EG
Reported by: Emergency Manager

Trees were knocked down near the intersection of County Road 189 and County Road 6.

Thunderstorm Wind in LAUDERDALE, ALABAMA
From 18-DEC-16 00:29:00 to 18-DEC-16 00:29:00 (CST-6)
Location: SULLIVAN XRDS
Magnitude: 60.00 EG
Reported by: Emergency Manager

Trees were knocked down along County Road 15.

Thunderstorm Wind in COLBERT, ALABAMA
From 18-DEC-16 00:48:00 to 18-DEC-16 00:48:00 (CST-6)
Location: WHITEHOUSE SPGS
Magnitude: 52.00 EG
Reported by: Emergency Manager

Trees were knocked down on power lines in the Colbert Heights area.  Time estimated by radar.