Matsya Purana 233.8

233.8

nirabhre vātha rātrau vā śvetaṃ yāmyottareṇa tu.
indrāyudhaṃ tathā dṛṣṭvā ulkāpātaṃ tathaiva ca .. 233.7 ..

If a rainbow is visible towards the north-west during the night in the absence of clouds, if meteors shoot, and the directions become unusually red, and the Gandharva regions are visible and the Sun and Moon surrounded by halos, then there is sure to happen some unrest in the land and fear from some foreign power.—7-8.