This is a severe weather alert from McHenry County Wx.
The alert occurred at 04:53 PM on Aug 30 2013.
The site being monitored is LOT in Chicago, IL.
The site is operating in VCP mode 12.
McHenry County Wx triggered the alert because precipitation exceeded 55 dBZ (VIP level 11).
The maximum detected precipitation level is 65 dBZ (VIP level 13).
McHenry County Wx precipitation sensitivity is set to 50.
The current radar product is Short Range Composite Reflectivity (NCR).
The text description for the maximum detected precipitation level is: "8" to 16"/hr very heavy rain: marble size to golf ball sized hail possible".