Great color over the Rincons at 5:30 am MST this morning. View from campus at 3:45 pm yesterday (down at bottom) shows showers along the foothills.
I didn't think that yesterday morning's sounding looked favorable for storms, but we had two crashes of thunder and light showers here between 3:30 and 3:50 pm. Total rain here was only 0.03". The plot of detected CG flashes (above for 24-hours ending at 11:30 pm yesterday night - from ATMO and Vaisala - shows a donut hole over much of eastern Pima County, but also some flashes along the foothills.
The ALERT network rainfall reports (below) show light rain amounts scattered across the northwestern metro area and the Catalinas. Heaviest reports, though, were down to the southwest where Altar Wash had 0.63" and Arivaca reported 0.43".
Today's morning sounding (above) looks as bad as yesterday's, with just a sliver of CAPE and mostly light/variable winds aloft. The 06 UTC forecast (from the WRF-GFS - below) indicates only light showers over the Catalinas and Rincons through midnight tonight - which fits well with the morning sounding. But, once again, time will tell.
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