National Weather Service United States Department of Commerce

Jefferson County Tornado - April 11, 2007

EF-1

National Weather Service meteorologists surveyed storm damage in northwest Jefferson County. It has been determined that the damage was the result of a tornado. The tornado has been rated an EF-1 on the Enhanced Fujita Scale with estimated maximum winds between 90 and 95 mph.

A tornado touched down on Tate Mill Road...just northwest of County Road 140 or Warrior Jasper Road. The tornado tracked east southeast and lifted on Humber Road in the Bagley Community. The tornado damage path was approximately one half mile long and 40 yards wide at its widest point. Several windows were blown out of homes and automobiles. One 18-wheeler carrying a load was overturned. One office trailer was overturned. Several hardwood trees were either snapped off or uprooted. At least one of the trees fell on a home and produced damage. The tornado was witnessed by several people in the area. The highest winds were estimated between 90 and 95 mph...an EF1 tornado. The tornado was on the ground from approximately 314 PM until 316 PM. A Tornado Watch was in effect for Jefferson County from 140 PM until 800 PM. A Tornado Warning was in effect from 304 PM until 330 PM.

Click on the images below for larger picture.

 


 

 

Jefferson Tornado
Surface Analysis 6 AM April 11
Jefferson Tornado
500 MB Analysis 6 AM April 11
Elmore Tornado
Day 2 Outlook for April 11th
Elmore Tornado
Day 1 Outlook for April 11th
Jefferson Tornado
Office Trailer rolled over in Bagley
Jefferson Tornado
Trailer anchor ripped out of the ground
Jefferson Tornado
Trailer damaged
Jefferson Tornado
Garage door damaged from wind entering building
Jefferson Tornado
Structure rolled over
Jefferson Tornado
Minor home damage
Jefferson Tornado
Insulation debris on fence
Jefferson Tornado
Window blown out on opposite side of the house
Jefferson Tornado
Wind damage in the front of the house
Jefferson Tornado
More minor tree damage
Jefferson Tornado
Window blown out on another side of the house
Jefferson Tornado
Hardwood uprooted
Jefferson Tornado
More tree damage
Jefferson Tornado
Tornado captured on film about 315 PM...Courtesy of Bruce Carpenter
Jefferson Tornado
Map of tornado damage path
Jefferson Tornado
Storm Reports for April 11th
Jefferson Tornado
Reflectivity Image near time of tornado
Notice appendage on southern end of storm
Jefferson Tornado
Storm Relative Velocity Image near time of tornado