M3E1S1O1C3Y4C3L1O1N1E1S1
21 points
MESOCYCLONES is validvalid
MESOCYCLONE, [n]
MESOCYCLONE, a rapidly rotating air mass within a thunderstorm that often gives rise to a tornado [n]
MESOCYCLONE, [n]
MESOCYCLONE, a rapidly rotating air mass within a thunderstorm that often gives rise to a tornado [n]