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Lightning Animations (492 videos)


--October is the middle month of spring in the Southern Hemisphere. --Most lightning over land 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. --Almost no lightning occurs over the SE Pacific and South Atlantic except storms that move offshore from South America. --Over interior regions of the Amazon basin, thunderstorms have slow movement, generally toward the W. --At higher latitudes to the south, storms generally move from WSW to ENE at higher speeds than over the Amazon. --The equatorial trough is quite active over the Atlantic during the first and later portions of the month. --The equatorial trough is somewhat active over the eastern Pacific. --The eastern cape of Brazil has very little lightning. ~Ron Holle

Nov 5, 2014 Webmaster Archive

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--10 to 17 October: Well-organized squall lines move E to W almost every day starting in the central region of Brazil. --05 to 06, 08 to 10, and 17 to 20 October: Well-organized 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. --30 to 31 October: An especially well-organized storm moves NE from Argentina. ~Ron Holle

Nov 10, 2014 6:04:15 PM Dave Fincher