The alert occurred at 11:07 AM on Sep 30 2011.
The site being monitored is LOT in Chicago, IL.
The site is operating in VCP mode 31.
WXWARN1 triggered the alert because precipitation exceeded 50 dBZ (VIP level 10).
The maximum detected precipitation level is 20 dBZ (VIP level 4).
WXWARN1 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: ".025" to .05"/hr light rain".