As predicted, the second…..and doubtless stronger…line of thunderstorms is now shifting northward close to the Oregon/WA border.
The newest seen satellite tv for pc picture (4:26 PM) exhibits a number of main, sturdy convective techniques getting into Washington State. The one on the correct has good radar protection from the Pendleton, Oregon NWS radar, however the western one is within the well-known radar gap over the jap slopes of the Cascades.
The radar picture on the similar time (beneath), exhibits intense radar returns with the jap storms (purple colours), however the western techniques have poor protection so we do not know the way sturdy they’re. Since they’re heading for the Cascades and western WA, this isn’t good.
Over the previous half hour, lightning sensors have proven large lightning in these storms (see beneath, every strike is proven by an “X”)
There are some strikingly sturdy winds with this line of thunderstorms, with some gusts reaching 60-70 mph! (see the max gusts over the previous hour beneath)
Notable climate fanatic, Dr. Peter Benda of Bellevue, went storm chasing within the Tri-Cities right this moment, and the image of the mammatus clouds beneath the anvil of the approaching storm is frightening (see beneath)
And is one other shot from Dr. Benda because the storm bought shut. Beautiful. And you possibly can see heavy rain falling out of the cumulonimbus.
And if you wish to expertise a number of the sturdy outflow winds from the storm, try the video he despatched:
These storms will sweep northward through the subsequent few hours. Expect extreme climate within the Columbia Basin and we are going to see how a lot of the motion will recover from the Cascades. At the very least, the west facet can have loads of rain and a few lightning. The newest NWS HRRR forecast for 7 PM exhibits sturdy storms shifting in direction of Ellensburg and Wenatchee, with others heading within the path of Spokane, with gentle to reasonable rain over the westside. Without good radar protection east of the Cascade crest, we cannot be about to doc the main points there.