Weather Research  and Forecasting Model (WRF) 

An open source numerical weather prediction system designed for atmospheric research and operational forecasting which will provide models for short, medium, and long term weather forecasts.

HAII, Thailand has customized WRF model for Thailand and generates wind, rain, and weather maps that can forecast 3 days ahead with 3 x 3 km2 resolutions and 7 days ahead with 9 x 9 km2 resolutions. The data is processed everyday and published by www.thaiwater.net