On August 6, 2017, a series of four damaging tornadoes occurred as a result of a bow echo that formed and moved through Tulsa, Oklahoma.
"[2] The storms that formed in Kansas on the afternoon of August 5 moved southeastward into northeastern Oklahoma and was expected to weaken during the overnight hours.
The 18-story Remington Tower office building (near Skelly Drive and 41st Street) underwent dramatic facade and window damage.
The tornado also caused roof and structural damage to Promenade Mall and impacted infrastructure at the BOK Financial Corporation operations center (near 41st and Sheridan), rendering its online, mobile and automated telephone systems inoperable.
[14][15] A second EF1 tornado hit east of Oologah at 1:32 a.m. CDT (06:32 UTC), damaging several trees, barns and a home, downing multiple telephone poles.