[1] Univ Oklahoma, Sch Comp Sci, Norman, OK 73019 USA
[2] Univ Oklahoma, Cooperat Inst Mesoscale Meteorol Studies, Norman, OK 73019 USA
[3] Natl Severe Storms Lab, Norman, OK 73069 USA
[4] Natl Ctr Atmospher Res, POB 3000, Boulder, CO 80307 USA
[5] Univ Oklahoma, Sch Meteorol, Norman, OK 73019 USA
[6] NOAA, Natl Weather Serv, Storm Predict Ctr, Norman, OK USA
[7] Weather Co, IBM Business, Andover, MA USA