Abstract Flooding is a growing problem in the UK. It has a significant effect on residents, businesses and commuters in flood-prone areas. The cost of damage AmbiCom GPRS-CF by flooding correlates closely with the warning time given before a flood event, and this makes flood monitoring and prediction critical to minimizing the cost of flood damage. The combination of these two modes of grid computation—local and remote—yields significant benefits. For example, local computation can be used to provide timely warnings[…]