NEW frame captures of monster #tornado 9-10 miles NW of Dierks, Arkansas at around 7:15 pm CDT! Tornado matured close to me then moved NW, similar to the May 22, 2016 wedge in NW KS. @breakingweather @accuweather #arwx pic.twitter.com/j6YPStSfGO

— Reed Timmer, PhD (@ReedTimmerUSA) April 14, 2018