Royal Ulster Constabulary the former name of the Police Service of Northern Ireland
(Rapid Update Cycle) a numerical model simulation conducted at NCEP that focuses on short-term (up to 12 hours) forecasts and mesoscale weather features; forecasts are prepared every 3 hours for the contiguous United States
Rapid Update Cycle model generated every 3 hours The model is run each hour, with its initial conditions updated by the inclusion of the latest surface observations available Its primary usage is for aviation and severe weather forecasting
Rapid Update Cycle, a numerical model run at NCEP that focuses on short-term (up to 12 h) forecasts and small-scale (mesoscale) weather features Forecasts are prepared every 3 hours for the contiguous United States