Instead, thanks to a healthy monsoon fetch and yesterday's storms, the dewpoint was 62ºF when we stepped off the plane at 10:30 last night. That was actually down just a bit from a 65ºF maximum at around 9:30 PM.
The regional analysis for 1200 UTC (0600 MDT) this morning shows Arizona and Utah are sandwiched between a deep upper-level trough off the Pacific coast and a high-amplitude ridge centered near the Texas Panhandle. Strong southerly flow is drawing moisture into Utah and as far north as Montana.
|GFS 500-mb geopotential height (black contours), precipitable water (color contours), and IR satellite imagery at 1200 UTC 12 Aug 2015.|