March 29th Rockport, MO Tornado Warned Supercell
March 29th took us on a long drive to northwest Missouri. A warm front would be the focus for supercell storms and by mid afternoon SPC issued a tornado watch box for the area. Three storms developed along the boundary and we followed the southern one as it interacted with it and crossed the river into northwest Missouri. It soon became tornado warned. Structure on the storm was very nice, exhibiting classic supercell features. Another storm (followed by an explosion of storms mid evening) developed south of Tarkio, MO. It produced a couple quick spin ups, but none lasting more than a half minute. A bit later it became more organized and reminded me of the April 9, 2011 Mapleton, IA supercell after dark. It came extremely close to producing a tornado as a nice cone shaped funnel developed, but quickly dissipated as it was undercut by cold outflow from storms further north. All in all a fun chase, even without a tornado.
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