Two recent posts by Charles Ditzel, here and here, offer pointers to resources on Clojure and Storm.
For your reading convenience:
Storm Apache site.
Building an Activity Feed Stream with Storm Recipe from the Clojure Cookbook.
Storm: distributed and fault-tolerant realtime computation by Nathan Marz. (Presentation, 2012)
StormScreenCast2 Storm in use at Twitter (2011)
Enjoy!