Narada Purana (Jyotisha Selections) · by Vyasa
Chapter 11 · Rain, Kurma Chakra, Utpata
वृष्टिः कूर्मचक्रम् उत्पाताश्च
रथ्यायां सेतुबंधाः स्युर्बालानां वृष्टिहेतवः ।पिपीलिकाश्रेणयश्छिन्नाः खद्योता बहवस्तदा ॥ ७३७ ॥
In the full Narada Purana (Purva Bhaga) this is chapter 56, verse 737.
Children make small dams in the street. These are signs of rain. Lines of ants are broken. There are many fireflies then.
Simple meaning: Children building small dams in the street, broken lines of ants and many fireflies are signs of rain.
द्रुमादिरोहः सर्पाणां प्रीतिर्दुर्वृष्टिसूचकाः ।
Snakes climbing trees and a Sun or Moon of odd colour at rising and setting show bad rain.
मधुवर्णोऽतिवायुश्चेदतिवृष्टिर्भवेत्तदा ।
A honey-coloured Sun or Moon with strong wind brings heavy rain. Then the Kurma chakra begins.
विभज्य नवधा खण्डे मंडलानि प्रदक्षिणम् ।
Nine regions go round clockwise. Antarvedi and Panchala are the navel.