Tracking Trends: #Monsoon arrives early, causes havoc in the northeast with disastrous #floods and #landslides, while northwestern states of Rajasthan and Punjab battle scorching heat. Elsewhere in Delhi and its neighbouring region, frequent #thunderstorms turn the month of May surprisingly pleasant, weather-wise. India's weather as we knew it is changing. I sit down with Dr Mrutyunjay Mohapatra, chief of India Meteorological Department, to understand the multiple factors at work and what these mean for longer-term climate changes and weather forecasting.