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Lightning Animations (492 videos)


--July is the middle month of meteorological summer in the Northern Hemisphere. --July lightning over the United States is frequent, in clusters and lines north of the Gulf of Mexico and east of the Rocky Mountains, and less organized over the rest of the country. --The North American monsoon is at its peak, and accounts for daily lightning over much of northwest Mexico and the southwest U.S. --The east-west aligned equatorial trough, the Intertropical Convergence Zone, is mostly weak over the eastern North Pacific and western Atlantic during July, except a short distance to the west offshore of Central America. --Canada and southeast Alaska have frequent lightning during July. --Central America thunderstorms are frequent. --Thunderstorms over Brazil are confined to its northern third, and move from east to west. ~Ron Holle

Aug 2, 2017 Webmaster Archive

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--06 to 26 July: The northern coast of the Gulf of Mexico and much of the Gulf have frequent lightning. --07 to 09 and 10 to 11 July: Thunderstorms containing strong winds in two derechos move rapidly from the U.S. Midwest to West Virginia. --16 to 19 July: A continuous line of thunderstorms moves east from British Columbia to Quebec. --20 to 21 July: Lightning is along the north shore of Alaska and adjacent regions of Canada. --23 to 25 July: Thunderstorms persist over Hawaii for the only period in July. ~Ron Holle

Aug 3, 2017 10:27:51 PM Dave Fincher