Very nice morning today (Sunday, January 22nd). A bit of the snow cover at high elevations of the Catalinas is just visible at right edge of webcam view from campus above. Low temperature here at the house was 32 F, and yesterday's sprinkles didn't add to the Saturday am precipitation total of 0.58" here.
Another strong Pacific cold front will pass through our area tomorrow night and perhaps bring a bit more rain at low elevations. Strong southwest winds will again occur in advance of this event - 06 UTC WRF-GFS forecast of 10-m winds above is valid at 02:00 pm MST tomorrow afternoon (orange-red tones are wind speeds of 30 to 40 mph).
Models currently forecast a rapid event during Monday night that will produce only a few tenths of an inch at lower elevations, but with more snow for the Sky Islands.
Surface plots here are from the 06 UTC WRF-GFS. Above is valid at 10:00 pm tomorrow night, indicating some light rainfall across the metro area. The forecast below is for 06:00 am on Wednesday morning and indicates cold morning lows in parts of the Tucson area. The model also nicely captures the warmer, banana belt zones along the foothills of the Sky Islands.
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