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Why some storms turn into tornadoes

The Supercell Foundation Not all thunderstorms can produce tornadoes - only about 30% of supercell thunderstorms actually spawn these rotating columns of air. Supercells are severe thunderstorms with ...
TILTED UPDRAFTS, ECHO FREE VAULTS AND MORE By the early 1960s tilted updrafts were recognized as an integral part of many thunderstorms. In 1964 British meteorologist Keith Browning coined the term ...