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May 22, 2016 Event Summary

Thunderstorms formed across central and eastern North Dakota during the evening of May 22 and organized into a line of storms by late evening across eastern North Dakota. Rainfall amounts between 0.75 and 2.00 inches occurred from Valley City northeastward to Pembina. Gusty winds in the 40 to 50 mph range were common along the leading edge of the line of storms.  A localized region of enhanced straight line wind damage from a microburst occurred across eastern sections of Grand Forks into East Grand Forks, with estimated wind speeds up to 100-110 mph.


Measured Wind Gusts and Select Damage Locations

 

Zoomed in map of the Grand Forks area showing select damage locations. Snapped or uprooted trees along with the tipped box cars suggest the wind speeds gusted to 100 to 110 mph at a few of these points. 
Image Image Image
Wind Damaged Siding Trees Snapped Train Cars Tipped
Trees Uprooted Roof Damage Tree Uprooted

 

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