Brookings County Tornado on 16 September 2006

Radar reflectivity image at 5:03 pm 16 September 2006Storm relative motion image from 5:30 pm 16 September 2006

The storm developed in eastern Lake County and moved into Brookings County.  The radar image above is taken from 5:03 pm CDT 16 September 2006.  The image on the left shows radar reflectivity.  A bounded weak echo region (BWER) is evident north of Brookings on Interstate 29 with evidence of an rear flank downdraft (RFD) to the south of the BWER.  A significant mesocyclone is evident on radar between Brookings and White in the vicinity of the BWER.  A tornado was reported at 5:05 pm CDT and was located one mile east of Brookings.


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