01-25	light storm (d100 hours)
26-33	heavy storm (d40 hours)
34-41	fog (d20 yards visibility)
42-49	extra hot/cold (d6 days)
50-62	stream in path
63-77	swarm/flock
78-79	Celtic ruin
80-94	lake or pond
95-96	unmarked tomb
97	part of animal skeleton
98	human skeleton
99-00	remains of small settlement