Board on Atmospheric Sciences and Climate & Committee for a Workshop on Weather Forecasting Accuracy for FAA Traffic Control 
Weather Forecasting Accuracy for FAA Traffic Flow Management [PDF ebook] 
A Workshop Report

Accurate prediction of convective storms 2- to 6-hours in advance is critical to selecting air traffic routes with minimal weather delays or diversions. This report summarizes the discussions of a workshop to explore present convective weather forecasting skill, strategies for improving that skill, ways to verify forecasts are accurate, and how to make forecasts useful to air traffic controllers, airline dispatchers, and pilots.