Pendleton Area Forecast Discussion for this afternoon and evening June 26, 2017

Water vapor imagery shows an upper level short wave axis across the Pacific northwest just to the west of northwest California and the southwest part of Oregon state. The upper short wave axis is forecast to move to the northeast this afternoon and evening. Surface observations show a nicely warm up on going  early this afternoon with temperatures in the mid 90s. Areas to the northwest and southeast of Pendleton are experiencing convention where a differential airmass resides. With more heating expected within the next few hours in combination with increasing CAPE values based on GFS forecast sounding in addition to an increased of simulated HiRes models ref data, expect strong to severe storms to develop quickly in the next few hours. There is a potential for severe large hail and thunderstorm damaging wind gusts mainly from central to northeast of the state of Oregon.

Wait for it!