NGCM/AIFS blended forecast output June 3 and June 10 2026

This dataset contains monsoon onset forecasts for India 2026 made on June 3 and June 10th using an algorithm blending open-source models, as well as code used to produce these forecasts. They are being preregistered here for academic verification purposes and will remain restricted until the end of the monsoon season. In the forecast file, the values represent the forecasted probabilities of monsoon onset in each interval after the forecast date. All probabilities rounded to 4 digits after the decimal point