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Lightning Animations (492 videos)

SA_24hr_Mar2014

Apr 1, 2014 Webmaster Archive

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--March is late summer in the Southern Hemisphere. --Most lightning is during the day. --The Andes provide a sharp western boundary in a generally NNW-SSE line. --No lightning occurs over the cold water offshore of the Andes. --Over interior regions of the Amazon basin, thunderstorms have generally slow movement toward the SW. --At higher latitudes, storms generally move from WSW to ENE at higher speeds than over the Amazon. --The equatorial trough is intermittently active in the Atlantic and eastern Pacific. --Throughout the month, well-organized lines and areas of thunderstorms move E from Argentina and Uruguay. This common feature occurs E of large land masses in the middle latitudes, in a similar manner to those observed in North America and Japan in colder months. --09 to 10 March: A cluster of thunderstorms forms over central Argentina and moves NE. --15 to 17 March: An especially well-defined cluster of thunderstorms forms over central Argentina and moves NE. ~Ron Holle

May 5, 2014 9:23:46 PM Dave Fincher