Graphic above from NWS at 611 pm 30 June 2013 - very colorful indicating variety of things happening this afternoon. note the severe thunderstorm warning for the east side of Tucson. Below is the NWS TUS radar product showing VIL (Vertically Integrated Liquid) at the same time - values of 55 to 60 indicated for storm centered near Saugaro NP are quite high, especially for storms based just below 500 mb!
The IR satellite image above from 0530 pm shows significant MCS developing over Sonora. Below is 6:17 pm MST composite radar echoes from NWS TUS (added in an edit).
Thunder reported currently at TUS, DM AFB, and thunder with rain here at house! Good day to return to Tucson. Appears that significant downdraft recycling of moisture into boundary layer will occur this evening and MCS in Mexico may trigger moderate surge of low-level moisture from GoC and northern Mexico. So many things coming together this afternoon.
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