Power Plant Storms

Dan Robinson of StormHighway.com provides a thorough overview of power plant-induced convection at this page. Perhaps the most dramatic example of this human-induced weather is this time-lapse of a shower produced by the John Amos Power Plant near Poca, WV.  These types of events have been documented during all seasons throughout the U.S.  Events include:

Such observations are not new as illustrated by the research here and here.