@Captain_Strongo @JoeHansenAZ @itschappy Many stations are switching to ATSC 3.0 which is 4k. AZ actually has quite a few stations broadcasting ATSC 3.0
Using 5-minute ASOS data nationally, I constructed a loop of 10-minute pressure change, showing the shockwave from the volcanic eruption progressing through the United States this morning:
This view from the GOES WEST satellite gives a more 3D perspective of the huge volcanic ash plume that rose up to estimated 15800 m (52000 ft) or altitude or flight level 520 over the Hunga Tonga-Hunga Ha'apai volcano [all the satellites views: https://t.co/taSKTaT52v]