event begin max end class region ----- ----- ----- ----- ----- ------ 7860 09:10 09:16 09:20 B6.1 7820 09:20 09:29 09:39 B7.3 7830 14:01 14:06 14:10 C5.0 2941 7850 17:02 17:31 17:51 M1.0 2941 7870 22:26 22:34 22:38 B5.0