The mesocyclone provides a continuous supply ... while rugged or hilly terrains can disrupt its structure, causing it to weaken or dissipate. Think of a tornado as a skater gliding smoothly ...

Last year's storm season saw this mesocyclone and green glow caused by very large hail amid a tornadic high precipitation supercell in Hennessey, Okla., as pictured on May 7, 2024. (Matt Phelps ...