Overview

• India’s weather office issued a red warning for sub‑Himalayan West Bengal through October 6, flagging extremely heavy rain in Darjeeling, Kalimpong, Cooch Behar, Jalpaiguri and Alipurduar.
• North Bihar and eastern Uttar Pradesh logged single‑day totals above 210 mm, with the IMD keeping Bihar on red alert till October 5 and Varanasi setting a new October daily rainfall record at about 190 mm.
• Chennai and multiple Tamil Nadu districts were forecast moderate to heavy rain from a cyclonic circulation, with squally coastal winds and stay‑ashore advisories issued for fishermen.
• Pakistan’s PMD said Cyclone Shakti is tracking west‑northwest in the northeast Arabian Sea, while Punjab’s PDMA warned of heavy rain and potential flooding from October 5 to 7 from Rawalpindi to Lahore.
• Authorities cautioned about landslides and river level rises in hilly and basin areas, including the Teesta belt, as widespread rain persists across eastern and northern India into early next week.