The regional workshop explored possibilities for regional cooperation on transboundary flood forecasting and warning in the South Asian Region (SAR), in support of The World Bank’s South Asia Water Initiative (SAWI). The workshop took stock of existing flood forecasting and warning efforts in South Asian Region (SAR) countries; featured technologies and learn from experiences from other countries/ regions; trained operational personnel on new modeling tools; introduced the elements and requirements of an operational basin-based long-lead flood forecasting and warning system; and explorde a regional program on end-to-end basin-based long-lead flood forecasting and warning system in SAR