The Urantia Book Study Edition
Urantia Book 85:4.3 links to Old Testament References (KJV):
Ominous clouds:
Ex 16:10,
La 2:1,
Ex 19:9
Hail:
Ex 9:18,
Ps 18:12
Thunder:
1Sa 7:10,
2Sa 22:14,
De 5:22,
Ex 9:23
Unwelcomed rain:
1Sa 12:17,
Ek 38:22,
Ge 7:4,
Je 10:13