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Lightning Animations (492 videos)


--June is the first month of meteorological summer in the Northern Hemisphere. --Daily thunderstorms form over Florida, Cuba, Hispaniola, Puerto Rico, and Central America. --In the first half of June, numerous large organized thunderstorm lines and complexes form most often in the Rocky Mountain regions of the U.S., then move generally E or SE across the continent. --During the latter half of June, large-scale systems also originate in the south-central states and move NE. --The North American Monsoon occurs over NW Mexico all through the month; storms form on a daily basis further and further north until reaching Arizona later in the month. --Lightning is typically more widespread on a daily basis in the western half of Canada than over Ontario and Quebec. --A broad equatorial trough is apparent in the Pacific Ocean north of the equator during much of the month. ~Ron Holle

Jul 2, 2015 Webmaster Archive

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--03 to 04 June: Several curving lines of lightning are apparent from Hurricane Andres as it was located south of Baja California. --06 to 08 June: Several lightning clusters from Hurricane Blanca are over southern Baja California and the adjacent mainland of Mexico. --13 to 15 June: Some curvature in lightning clusters is apparent on the Texas coast, then inland due to Tropical Storm Bill. --17 to 18 June: Storms originating over Wyoming dive SE and stop abruptly over Kansas. --22 June: Numerous wind reports in the Midwestern U.S. occur as a large system races from WNW to ESE. --30 June: A large cyclonic circulation is apparent over the Great Lakes states. ~Ron Holle

Jul 2, 2015 1:33:40 AM Dave Fincher