The stormbeta2.exe file you have requested: Modifications / Miscellaneous / The Storm for Tiberian Sun BETA 2 - 831.13kb is not available. Perhaps try browsing all files for the game C&C: Tiberian Sun and upload any files you want to share or are missing. This is the only information we could locate:
An addon for C&C Tiberian Sun. Includes 22 new units and more money to start off with.