NDTV. Cyclone Arnab and a western disturbance is forecast to bring scattered rain and a temperature drop in northern India from October 28 to November 1. The India Meteorological Department has issued heavy to extremely heavy rainfall warnings for several eastern, southern, and central. Check Cyclone Arnab updates, state-wise weather forecasts, rainfall alerts for Andhra Pradesh, Odisha, Bihar, Uttar Pradesh and Delhi-NCR.