EE STATED THAT HE WAS OPERATING A DOZER PUSHING SHOT MATERIAL OFF OF THE BENCH WHEN A SEVERE THUNDERSTORM OCCURRED IN THE AREA. THE DOZER WAS STRUCK BY LIGHTNING DISABLING IT. HE FELT A LITTLE TINGLING IN HIS LEFT ARM & WENT TO HOSPITAL TO BE CHECKED. NO APPARENT INJURIES NOTED BUT KEPT FOR OBSERVATION/MONITORING.