Brihat Samhita
रुधिरऽदिवृष्टिवैकृतपरिघैन्द्रधनूंषि दर्शनं राहोः । इत्युत्पातैरेतैस्त्रिविधैश्चान्यैर्हतो गर्भः ॥ २१-२६ ॥
Blood-rain, abnormal rainfall, deformed halos, unusual rainbows, and the appearance of Rāhu— by these portents, and by other such calamities of the three kinds, the embryo (rain-bearing cloud) is destroyed.
english translation
rudhira'divRSTivaikRtaparighaindradhanUMSi darzanaM rAhoH । ityutpAtairetaistrividhaizcAnyairhato garbhaH ॥ 21-26 ॥
hk transliteration by Sanscript