Yesterday's event did prove to be considerably better for most of eastern Pima County, much as the WRF model forecasts from Atmo indicated. There was more thunderstorm activity and we had several rounds of thunder here at the house. The heavy rain cores mostly missed us though, staying just north and east of house. Above view from campus shows an early afternoon storm that just missed us. Graphic below shows detected CG flashes through midnight last night (from Atmo and Vaisala).
This was the first decent precipitation event since early January and it was certainly welcome. Total here at house was only 0.24" but airport had 0.45" and DM recorded 0.55", as well as gusts to 45 mph with a storm cell.
Areal coverage across eastern Pima County again came in at 100%, with heaviest amounts over and near the mountains and over eastern half of the ALERT network. Above and below show amounts measured in the Catalina sector (above) and in the metro-east sector below. Many amounts approached an inch with at least one station exceeding that.
Image from the com tower site on Summit Ridge in the Catalinas at bottom shows that snow fell at the highest elevations before the event ended.
Another closed low will move by later today and tonight but the 06 UTC WRF forecasts keep precipitation mostly east and north of the Tucson metro area.
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