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Lightning Animations (492 videos)


--November is the last month of meteorological spring in the Southern Hemisphere. --Most lightning near the equator over land is during the day. --The equatorial trough, also called the Intertropical Convergence Zone, is moderately well defined in an east-west alignment over the Eastern Pacific and western Atlantic Ocean. --Daily thunderstorms over Brazil often have a generally counter-clockwise pattern but individual storms do not travel far. --The Andes provide a sharp western boundary in a NNW-SSE line and no lightning occurs over the cold water offshore of the Andes. --Several large storm complexes form over northern Argentina and Paraguay and move north or eastward. --The South Atlantic and South Pacific Oceans away from the continent are nearly lightning-free. ~Ron Holle

Dec 1, 2017 Webmaster Archive

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--01 to 05 November: Dual structure apparent in Intertropical Convergence Zone between South America and Africa. --02 to 05, and 09 to 11 November: Especially strong thunderstorms form over central Argentina and move north into Brazil. --25 November: Lightning south of the Falkland Islands. ~Ron Holle

Dec 5, 2017 9:11:09 PM Dave Fincher