View toward the Catalinas at about 3:30 am MST this early morning shows some light showers over and west of this part of the city.
Rainfall across the ALERT network (above and below for 24-hours ending at 7:00 am this morning) shows light amounts over west and northwest portions of the network. One site in the Catalinas reported nearly an inch. We had 0.01" here, as did the airport. DM reported a Trace and Atmo had no rainfall.
Plot of detected CG flashes for 24-hours ending at 1303 UTC (above, from Atmo and Vaisala) indicates some limited thunderstorm activity over eastern Pima County.
The trough at 500 mb (analysis above from SPC) this morning remains west of Tucson (there was no TWC/TUS sounding this morning), but the southwest winds are scouring w=away the low-level moisture.
Forecast below is from 06 UTC GFS model run and shows total rainfall through the end of September - if this verifies it will end up as a very dry month, since we've had only 0.04" here so far.
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