Mr. Cloudmaven person foretold certain cloud types would occur yesterday in conjunction with “storm” 3 yesterday (which was really only the passage of an upper level trough over us–see map for 5PM yesterday). Let’s see how he did, that is, whether he is an actual “cloudmaven”: (0=not observed, 1 observed, -1, cloud observed, not predicted:… Continue reading Virga anyone?
Category: Virga
Arizona: Colorado temperatures, Colorado clouds
It was a mind-boggling, hiking-challenging -30 F at Grand Canyon AP yesterday morning. Overhead of Flagstaff, at 5 AM MST yesterday it was -38 C (-36 F) and that temperature was the lowest temperature at 500 millibars in all of the US. It is really, really rare to see -38 C over Arizona! … Continue reading Arizona: Colorado temperatures, Colorado clouds