event begin max end class region ----- ----- ----- ----- ----- ------ 1990 00:56 01:00 01:05 B2.4 1208 2040 05:25 05:33 05:44 B2.7 1218 2000 11:57 12:01 12:03 B2.3 1218 2010 12:48 12:59 13:07 C1.2 1218 2050 16:33 16:37 16:41 B2.0 1208 2030 18:02 18:30 19:50 C2.0