0:00 - Warm front approaches, clouds develop
1:45 - Thunderstorms build at sunset
3:20 - Constant overnight lightning
6:30 - Squall line at dawn
8:19 - Major atmospheric instability builds in the late morning, tornado watch
9:22 - Thunderstorms blow up in early afternoon
9:47 - Squalls collide, create Greenfield tornado-producing supercell
10:33 - Cold front pushes through
13:12 - Sunrise and lovely day