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Lightning Animations (492 videos)

NA_May16_6hr

--May is the last month of meteorological spring in the Northern Hemisphere. --Numerous squall lines and frontal boundaries with enormous lightning frequencies occur over the central and southern United States. --The east-west aligned equatorial trough, also called the Intertropical Convergence Zone, is well defined over the eastern North Pacific Ocean but not elsewhere in this view. --Central America has frequent lightning during most of the month. --Lightning is very infrequent over Alaska, and intermittent over Canada. ~Ron Holle

Jun 2, 2016 Webmaster Archive

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--03 to 07 May: Long lines of thunderstorms are along a northeast-southwest trough across the southeast United States that drifts into the Caribbean as far south as Hispaniola. --07 to 09 May; Stationary lightning-producing cyclonic circulation over western United States. --13 to 16 May: Frequent lightning over much of Mexico. --17 to 18 May: Several thunderstorm complexes result in up to 11 inches of rain on Florida east coast. --21 to 23 May: Thunderstorm complex moves south to north from Montana to southern Canada. ~Ron Holle

Jun 3, 2016 1:35:34 AM Dave Fincher