Deep Depression ARB 02 was a weak tropical cyclone which brought heavy rains and flooding to the Indian state of Gujarat in June 2015.

Ten Asiatic lions, an endangered species with only 523 living individuals documented in May 2015, died during the floods while more than a dozen remain missing.

Following a series of monsoonal disturbances, a fresh wave of thunderstorms organized into an area of low pressure on 21 June in the Arabian Sea, off the coast of Gujarat.

[7] Deep convection persisted to the west of the system while the circulation continued to develop over the next 24 hours,[8] and the IMD started tracking it as a depression, with the identifier ARB 02.

[9] ARB 02 continued to develop and by the night of 22 June, the JTWC issued a TCFA on the system, while it was 285 nmi (528 km; 328 mi) west-northwest of Mumbai.

[verification needed]Saurashtra and south Gujarat received 65.99% and 37.82% respectively of their average monsoon season rainfall in June.

[6] The Gir Forest National Park and adjoining area housing Asiatic lions, an endangered species with only 523 living individuals documented in May 2015, was severely affected.

The carcasses of 10 lions, 1670 Nilgai, 87 spotted deer, nine black bucks, six wild boars and some porcupines were also recovered.