Thanks to Goose Lake Weather for Lightning information

Note: Experimental. StormTracker lightning data is only approximate and should not be used for safety applications. Strike and storm locations indicated and alarm statuses may be erroneous and should not be used to safeguard personnel, equipment or data. Do not use for human safety or protection of property purposes.
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Lightning Safety.

Controls can be changed on the Stormvue Display.
History - you can select either 30 min or 60 min history to be displayed in the Event Loop.
View Range - you can select Zoom to zoom in closer to the Joliet area.
Event Loop you can select Run and see a 30 or 60 minute loop, depending on what was selected in History, of lightning activity one minute at a time.