CG lightning can occur with both positive and negative polarity. The polarity is that of the charge in the region that originated the lightning leaders. An average bolt of negative lightning carries an electric current of 30,000 amperes (30 kA), and transfers 15 coulombs of electric charge and 500 megajoules of energy.
Statewide, 19 wildfires greater than 1,000 acres in area are currently raging, according to the NIFC. The active fires have ravaged more than 630,000 acres, destroying approximately 200 homes and threatening another 12,000, according to Washington state officials.
The Miramichi Fire in New Brunswick covered about 3,000,000 acres of land. It is the largest forest fire recorded. http://en.wikipedia.org/wiki/List_of_forest_fires. the largest forest fire was the Miramichi Fire in New Brunswick, Canada in 1825 with about 3 million acres (12150 kmÂ²). this fire killed 160 people.But that is only for North America.