Sunday, July 21, 2013

Saturday Night's Severe Weather in McHenry County

A construction trailer in Hampshire was overturned by a high wind gust injuring one person around 8pm Saturday night. That person was transported to the hospital.

Also, baseball-size hail was reported in Huntley around 8pm.  Check out how intense the cell was as it approached S. McHenry and N. Kane County.  The pink and white colors indicates very high reflectivity and indicates the formation of large hail. Another indicator of large hail is a "hail spike" protruding from the cell (circled in red):
Radar around 8pm 7/20/13
This phenomenon occurs when the radar beam hits a very large object (such as large hail) and sends the beam in a different direction, forming what looks like a spike on the radar. - MT
Hail Spike Explainer

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