Narada Purana (Jyotisha Selections) · by Vyasa
Chapter 11 · Rain, Kurma Chakra, Utpata
वृष्टिः कूर्मचक्रम् उत्पाताश्च
देवता यत्र नृत्यंति पतंति प्रज्वलंति च ।मुहू रुदंति गायंति प्रस्विद्यंति हसंति च ॥ ७४६ ॥
In the full Narada Purana (Purva Bhaga) this is chapter 56, verse 746.
Where the gods images dance, fall or burn, or cry again and again, sing, sweat and laugh...
Simple meaning: Images of gods that dance, fall, burn, cry, sing, sweat or laugh are portents.
वमंत्यग्निं तथा धूमं स्नेहं रक्तं पयो जलम् ।
Images that spit fire, smoke, oil, blood, milk or water, or stand upside down, are portents.
एवमाद्या हि दृश्यंते विकाराः प्रतिमासु च ।
Such changes in images, a city of Gandharvas in the sky and stars seen by day are portents.
महोल्कापतनं काष्ठतृणरक्तप्रवर्षणम् ।
A big meteor, a rain of wood, grass or blood, smoke in the directions and earthquakes are portents.