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Lightning Animations (492 videos)


--May is the last month of meteorological spring in the Northern Hemisphere. -- May lightning over the United States is very frequent in well-organized lines and clusters that usually start on the Plains and move eastward for several days. --The east-west aligned equatorial trough, the Intertropical Convergence Zone, is sporadically apparent over the eastern North Pacific and western Atlantic. --Canada and Alaska lightning is primarily in western Canadian provinces until late in the month. --Central America and Mexico lightning increases from south to north through the month. --Daily unorganized thunderstorms over Brazil mostly move from the east, but individual storms do not travel far. --Thunderstorms are scarce over Hawaii. ~Ron Holle

Jun 2, 2017 Webmaster Archive

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--01 to 03 May: First of several large thunderstorm complexes extending from the Gulf of Mexico to the Great Lakes form and moves to the Atlantic coast and southward into the Gulf. --04 to 06 May: Storms form in southern Plains and move south to cover the Gulf of Mexico and Florida. --17 to 22 May: Long intense west to east line of lightning extends from Texas to east coast, then is followed by several similar systems. --24 to 26 May: New large line of lightning extends from Mexico to offshore the U.S. east coast. ~Ron Holle

Jun 6, 2017 12:33:07 AM Dave Fincher