Let's see how well yesterday's 12z GFS did on its 9 hour forecast (valid 21z) of 2 m temperatures compared to yesterday's 21z observations:
OKC: 9 hr forecast - 106; observed - 99
DFW: 9 hr forecast - 104; observed - 96

Not a good forecast for only fcst hr 9. pic.twitter.com/BlyA0m50mV

— Jeff Snyder (@SRHelicity) July 16, 2022