This was the warmest morning at sunrise since sometime last summer. Here at house, temperature was 76 F at 6:30 am MST. The low at the airport reached only 80 F. Warm temperatures due to the heavy clouds during the night, as per view from campus above.
Yesterday was first day of 100 F highs, with the airport reaching 101 F. Plot above (from MesoWest) shows highs yesterday from all their networks (this means there are a number of home weather stations shown). There are a few obvious problems - as per 89 F just north of airport and a 113 F hiding up in the Oro Valley area (a station out near Ajo reported 272 F).
South view from Kitt Peak at bit after 7:00 am (below) shows clear west and clouds east.
A weak, 500 mb short wave, moving through the larger=scale ridge, brushed southern Arizona and northwestern Mexico during the night. This produced southerly winds up the GoC and brought a push of higher PW air (values up to almost an inch and a half) as far north as southeastern Arizona (the MIMIC TPW analysis above is for 6:00 am).
The higher PW brought some CAPE to northwestern Mexico, with thunderstorms as far north as Hermosilla area - an interesting and somewhat surprising development for June 9th. Plot below of detected CG flashes, from Atmo and Vaisala, is for 12-hours ending 3:00 am. Perhaps a flash even in Cochise County.
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