Last Thursday evening (8/26/04), severe thunderstorms ripped through the Cedar rapids area. Various damage paths caused by straight line winds and short track tornadoes occurred. Here is a summary.
In Atkins, straight-line winds estimated between 60 to 70 mph occurred, causing a narrow swath of tree damage.
In Hiawatha, a National Weather Service storm damage team determined that the damage to a health care facility and Insurance building was caused by straight light thunderstorm winds estimated to be 70 mph. Winds of this magnitude are equivalent to an F0 tornado.
Three miles northwest of Marion, including the Hunter's Ridge area, an F1 tornado occurred. Winds were approximately 73 to 112 mph range. A home was damaged.
One mile west of Whittier, an F1 tornado occurred. Winds were approximately in the 73 to 112 mph range. The track was primarily through a cornfield...about 50 yards wide and 3/4 mile long. A roof was blown off a barn.