event begin max end class region ----- ----- ----- ----- ----- ------ 0520 00:17 00:22 00:25 B6.1 2318 0500 00:30 00:33 00:35 B9.8 2318 0540 11:38 11:54 12:10 C1.0 2318 0550 16:10 16:13 16:15 B8.5 2320 0560 16:29 16:49 17:09 B8.6 2320 0570 19:20 20:14 21:11 C1.0 2320 0600 22:16 00:07 01:45 C3.8 2318