Monday, September 22, 2025

Widespread Showers


Pre-sunrise view of Rincons about 6:20 am MST this morning.

Note - today is the first day of astronomical Fall.


Plot of detected CG flashes (above, from Atmo) for 24-hours ending at 0833 UTC (0133 am) shows a classic Tucson donut hole. However, there were widespread, mostly light, showers across the entire ALERT network (below and second below). Light shower here a bit after dark left 0.13" in the gauge. The airport had 0.05"; DM recorded 0.04"; and Atmo had 0.11".



Current morning forecast from the NWS for the airport - above - indicates only slight chances for precipitation today. The 06 UTC WRF-GFS forecast  from Atmo (below) - valid through midnight Tuesday night - keeps almost all of Pima County dry.

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