Complex sentence: One such dust devil struck the Coconino County Fairgrounds in Flagstaff, Arizona, on September 14,2000, causing extensive damage to several temporary tents, stands and booths, as well as some permanent fairgrounds structures.
Split into simpler sentences: One such dust devil struck the Coconino County Fairgrounds in Flagstaff, Arizona, on September 14,2000. Extensive damage occurred to several temporary tents, stands and booths, as well as some permanent fairgrounds structures.