Your browser must support JavaScript

Lightning Animations (492 videos)


--October is the middle month of meteorological autumn in the Northern Hemisphere, and of spring in the Southern Hemisphere. --By tracking the latest hours in white, the overhead sun can be seen moving E to W on a daily basis. --Thunderstorms travel W to E over the middle and higher latitudes in both hemispheres, and more slowly from E to W in the tropics. ~Ron Holle

Nov 3, 2015 Webmaster Archive

Views 2
0 0

4 comments, leave yours

Northern Hemisphere --The equatorial trough, also called the Intertropical Convergence Zone, is somewhat well defined in an E-W alignment over the Atlantic Ocean W of Africa, over the eastern Pacific W of Mexico, and is more diffuse over the Arabian Sea. --Thunderstorms move W over the Atlantic Ocean from Senegal, Guinea, and adjacent countries on many days, but do not survive far offshore. --Lightning over the Sahara away from the Mediterranean coast occurs primarily over Algeria earlier in the month. --Afternoon thunderstorms form often along the coast of Somalia. --Storms form on many days along the coast of the Red Sea over Saudi Arabia and Yemen. --The major islands and land areas of equatorial SE Asia have thunderstorms on many afternoons due to sea breezes and along mountain slopes. --Daily thunderstorms form over Cuba, Hispaniola, and Central America throughout the month. ~Ron Holle

Nov 5, 2015 7:45:08 PM Dave Fincher

Northern Hemisphere (Cont) --Several eastward moving troughs cause thunderstorm outbreaks starting in California, then the Four Corners States. These troughs move east to Texas and adjacent states and result in thunderstorms with heavy rain. --European lightning is confined to the Mediterranean Sea and adjacent countries. --Lightning occurs over Japan and adjacent oceans on many days of the month. --Over China, much of the lightning is over the central and southeast regions. --Lightning on the S side of the Himalayas over India occurs mainly during the middle of the month. ~Ron Holle

Nov 5, 2015 7:45:20 PM Dave Fincher

Southern Hemisphere --Afternoon thunderstorms form daily and move W over sub-Saharan Africa, typically originating in Ethiopia and other higher-elevation regions to the S, and usually dissipating to the W before the next day. --The Andes provide a sharp western boundary in a NNW-SSE line; no lightning occurs over the cold water offshore of the Andes. ~Ron Holle

Nov 5, 2015 7:45:31 PM Dave Fincher

--01 to 04 October: Very heavy rain in South Carolina is indicated by SE to NW lightning bands, indirectly associated with Hurricane Joaquin. --02 to 04 October: Typhoon Mujigae shows rotation in lightning while traveling from the Philippines on the 2nd into China south of Hong Kong on the 4th. --03 to 04 October: A cyclonic Kona Low lightning pattern is apparent north of Hawaii. --08 to 11 October: A series of small lightning clusters moves W to E south of the Aleutians. --10 to 13 October: A well-organized storm forms south of South Africa and moves E over the Indian Ocean for a long distance. --14 to 15 October: A very long line of active thunderstorms extends SE from South Africa, consisting of multiple storms that form and move along this line. ~Ron Holle

Nov 5, 2015 7:45:45 PM Dave Fincher