Thunderhead White Invader Invasion Scale
  Attack Range                 Invasion Size

     White Invader Attack                      Snow Fluries/Minor Snow Showers

     Minor Invasion                               1 thru 3 inch total accumulations

     Significant Invasion                         4 thru 7 inch total accumulations

     Massive Invasion                             8 thru 14 inch toal accumulations

     Catastrophic Invasion                      15 thru 23 inch total accumulations

     COUP                                            24 + [ total area takeover & industry shut down ]
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