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Lightning Animations (492 videos)

SA_Mar16_24hr

--March is the first month of meteorological autumn in the Southern Hemisphere. --Most lightning over land is during the day. --The Andes provide a sharp western boundary in a NNW-SSE line and no lightning occurs over the cold water offshore of the Andes. --The equatorial trough, also called the Intertropical Convergence Zone, is very well defined in an east-west alignment over the western Atlantic Ocean and Eastern Pacific. --Daily thunderstorms over Brazil often have a generally counter-clockwise pattern but individual storms do not travel far. --Thunderstorm activity over Argentina gradually weakens during March as autumn approaches. --The South Atlantic and South Pacific Oceans away from the continent are nearly lightning-free. ~Ron Holle

Apr 2, 2016 Webmaster Archive

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--01 to 02 March: Line of storms races to the northeast over Argentina. --09 to 12 March: Storms from Brazil extend far to the east over the Atlantic. --16 to 23 March: The equatorial trough has a double east-west structure over the Eastern Pacific. --18 to 20 March: Especially strong storms form over Argentina and move north into Paraguay. --26 March: The farthest south lightning of the month occurs west of the southern tip of the continent. ~Ron Holle

Apr 5, 2016 9:22:15 PM Dave Fincher