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This display will update once a minute, and has controls that you can adjust from the top of the screen:

History - Determines either the past 30/60 minutes of lightning activity that is to be replayed.

View Range -
   "Full" - displays all lightning activity within a 375 mile (600 km) range of South Erin, New York.
   "Zoom" - displays all lightning activity within a 125 mile (200 km) range of South Erin, New York.

Event Loop -
   "Run" - starts the replay of all lightning strikes that occurred within the timeframe selected by the "History" setting.
   "Stop" - stops the replay, and returns the display to the current time.

NOTE:  If there has been no activity within the timeframe selected under "History", the "Run" button will not work.

TERMS USED ON THIS PAGE
"Strikes Total" is number of Strikes in the selected History Period.
   + CG Positive cloud to ground strike    - CG Negative cloud to ground strike
   + IC  Positive in cloud or intra-cloud strike    - IC  Negative in cloud or intra-cloud strike