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Lightning Animations (492 videos)


--April is the middle month of meteorological spring in the Northern Hemisphere. --Lightning is infrequent over Canada, Alaska, Central America, Cuba and Hispaniola. --Numerous squall lines and frontal boundaries occur over the central and southern United States with enormous lightning frequencies. --The east-west aligned equatorial trough, also called the Intertropical Convergence Zone, is better defined over the eastern North Pacific Ocean than over the western Atlantic. ~Ron Holle

May 4, 2016 Webmaster Archive

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--02 to 05 April: Long lines of thunderstorms move along a frontal boundary from the Gulf of Mexico eastward to the Atlantic. --02 to 12 April: The equatorial trough has a double east-west structure over the Eastern Pacific. --13 to 21 April: Several major thunderstorm complexes move from Colorado and New Mexico to southern Texas resulting in record heavy rainfall in the Houston area. --18 to 20 April: Complex of lightning moves from southern Texas southeast across the Gulf of Mexico to the Yucatan peninsula. --20 to 24 April: Frequent lightning over much of Mexico. --20 to 25 April: A large cyclonic circulation with frequent lightning is over the Atlantic east of Newfoundland. --27 to 30 April: Prolific lightning production in two squall lines that move from west Texas to the southeast United States. ~Ron Holle

May 6, 2016 8:07:05 PM Dave Fincher