There was considerably more thunderstorm activity over southeastern Arizona yesterday than model forecasts had indicated. Above view shows buildups over the Catalinas at 4 pm on June 17th and graphic below shows detected CG flashes through midnight last night. There were CGs over the Metro area and both TUS and DM observed thunder at the stations. Rainfall was light to none at lower elevations in eastern Pima County. However, 7 ALERT stations in the Catalinas and Redington Pass areas measured rainfall with 4 sites reporting 1/4 inch or a bit more. Conditions today are somewhat similar, but warmer air is present in middle-levels, which should decrease the chances for storms, especially at low elevations.
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