A bit more high-based activity this afternoon than I'd expected - above is view of Catalinas at 5:40 pm MST showing Cu with bases at about 500 mb. Below is view looking south from Kitt Peak at about the same time - note all the smoke from the Brown wildfire, burning on east slopes of the Baboquivari Mountains.
The 00 UTC sounding from TWC this evening shows a small amount of CAPE from about 500 to 400 mb - but this is the - 10 to - 20 C layer so considerable ice in the low-topped buildups. Radar below verifies this and echo tops are generally below 30,000 msl. The airport carried TSTM in vicinity and there are definitely some spits and sprinkles and thunderstorms around eastern Pima County - as shown by CG flash density for 6-hours ending at 05:15 pm MST (second below). A bizarre day with a high of 112 F.
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