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Lightning Animations (492 videos)


--August is the last month of meteorological summer in the Northern Hemisphere. --August lightning over the United States is frequent, in clusters and lines across the entire country, except lesser activity in the northwest states. --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 usually weak over the eastern North Pacific and western Atlantic during August, except it is more consistent offshore to the west of Central America. --Canada and southeast Alaska have frequent lightning in long lines that travel large distances, sometimes very far north. --Central America and Mexico have frequent thunderstorms. --Thunderstorms over Brazil are confined to its northern third at the start of August and then become more frequent further south during the course of the month. ~Ron Holle

Sep 6, 2017 Webmaster Archive

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--01 to 15 August: A continuous line of thunderstorms extends from the Yucatan Peninsula to the Atlantic east of Bermuda. --01 to 15 August: Daily thunderstorms move eastward from the Rocky Mountains of Colorado and New Mexico onto the adjacent Plains. --16 to 28 August: Hurricane Harvey travels across the Caribbean Sea, the Yucatan peninsula, and onto the coast where Houston had massive flooding from 25 to 28 August. --20 to 24 August: Thunderstorms persist over Hawaii for the only period in August. ~Ron Holle

Sep 8, 2017 7:40:17 PM Dave Fincher