National Weather Service United States Department of Commerce


Perry Branch EF-1 Tornado (Marengo County)
  March 17, 2021


Event Summary

Estimated Maximum Wind:
110 mph
Damage Path Length:
1.93 miles
Maximum Path Width:
670 yards
Approximate Start Point/Time:
2 W Morvin
at 4:34 pm CDT
Approximate End Point/Time:
2 NNW Morvin
at 4:40 pm CDT


National Weather Service meteorologists surveyed the damage in Southwestern Marengo County and determined it was the result of an EF-1 tornado.

This long track tornado began in the NWS Mobile forecast area and traveled almost 35 miles through Wayne, Choctaw, and Clarke Counties as an EF-2 tornado. It weakened to an EF-1 tornado as it crossed into Marengo County. It continued to snap and uproot numerous trees as it crossed Highway 69. The tornado dissipated in a wooded area northeast of Highway 69. The tornado damage path in Marengo County was 1.93 miles long and was 670 yards wide at its widest point. The maximum winds noted in Marengo County were estimated around 110 mph.


Radar Image
Reflectivity (left) and velocity (right) of the circulation during the time of the tornado.
Images are from KMOB at 4:34 pm CDT.





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