Middle clouds and some mountain cumulus before sunrise this morning.
The maps above and below show total June rainfall across the ALERT network. The range was very large: 5.20 inches at Mt. Lemmon to zero at many sites. Total here for month was only 0.09" - which fits with the large metro region with little or no rainfall.
Plot above showing detected CG flashes for 24-hours ending at 0803 UTC this morning indicates little thunderstorm activity over the area, except for an isolated storm near the airport. ALERT plot below shows rainfall ending at 7:00 am this morning. The airport reported thunder and 0.07", but DM had 0.51" along with a thunderstorm gust to 43 mph. Atmo reported 0.03" and we had zilch here at house.
The 500 mb pattern (above) remains an unorganized mess across southern half of country. The morning TWC/TUS sounding below continues very moist, with light/variable winds below 300 mb, but with an increase in CAPE today. Sounding looks favorable for storms, except for the strange dry layer around 850 mb.
The 12 UTC run of the WRF-RR at Atmo (second below) forecasts a nearly classic Tucson donut hole for precipitation through midnight tonight. Would be nice to get a heavy storm from the Catalinas drift into our part of town this afternoon/evening.
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