National Weather Service United States Department of Commerce

Columbiana (Shelby) EF-0 Tornado
December 22nd, 2011
 

 
EF-0
Estimated Maximum Wind:
70-80 mph
Injuries/Fatalities:
None
Damage Path Length:
1.83 miles
Maximum Path Width:
50 yards
Approximate Start Point/Time:
33.1828/-86.6070 at 142 pm
Approximate End Point/Time:
33.2027/-86.5860 at 145 pm
 

National Weather Service meteorologists surveyed damage in Shelby County and assessed damage that was consistent with a tornado.  An EF-0 tornado with winds of 70 to 80 mph briefly touched down in Columbiana along County Road 47 and moved northeast for 1.9 miles and lifted along County Road 25.  Along its path, 2 homes were damaged due to falling trees, and another home suffered minor shingle damage.  Approximately 50 trees were either snapped or uprooted.

 
 
Radar Data 

Radar Image
This is an image of the 0.5 degree reflectivity data from KBMX at 143 pm as the circulation passed over Columbiana. Click to enlarge.

Radar Image
This is an image of the 0.5 degree velocity (SRM) data from KBMX at 143 pm as the circulation passed over Columbiana. Click to enlarge