(b) loud booms are harbinger of coming judgment and God's wrath on America. Biblical source:
Job 37:5 God thundereth marvellously with his voice; great things doeth he, which we cannot comprehend.
Job 40:9 Hast thou an arm like God? or canst thou thunder with a voice like him?
Psalm 29:3 The voice of the Lord is upon the waters: the God of glory thundereth: the Lord is upon many waters.
John 12:29 The people therefore, that stood by, and heard it, said that it thundered: others said, An angel spake to him.
Revelation 4:5 And out of the throne proceeded lightnings and thunderings and voices: and there were seven lamps of fire burning before the throne, which are the seven Spirits of God.
Revelation 11:19 And the temple of God was opened in heaven, and there was seen in his temple the ark of his testament: and there were lightnings, and voices, and thunderings, and an earthquake, and great hail.
Revelation 19:6 And I heard as it were the voice of a great multitude, and as the voice of many waters, and as the voice of mighty thunderings, saying, Alleluia: for the Lord God omnipotent reigneth.
People, you are being WARNED THAT JUDGMENT IS UPON AMERICA -- EVEN NOW.