What is the Advanced Regional Prediction System (ARPS)?
The Advanced Regional Prediction System (commonly referred to as ARPS) is the actual weather forecasting program that was created by the Center for Analysis and Prediction of Storms at the University of Oklahoma. From their website: The Advanced Regional Prediction System (ARPS) is a comprehensive regional to stormscale atmospheric modeling/prediction system. It is a complete system that includes a realtime data analysis and assimilation system, the forward prediction model and a post-analysis package.