Tuesday, April 27, 2021

Showers Possible Today

Heavy overcast skies here in Tucson this morning. Sunrise out at San Simon below. At bottom - morning snow in Flagstaff and rain showers out at Parker along the Colorado River.

Visible satellite image from 6:36 am MST (above) shows most of Arizona, except far southwest, with cloud cover.

The current morning forecast for the airport (above from NWS) calls for a 50 percent chance of measurable rain today (down a bit from yesterday's forecast). The 06 UTC GEFS plumes for the airport indicate higher POPs, with an average of about a quarter of an inch. The Atmo WRF-GFS run at 06 UTC (second below) forecasts little for the metro area through 11:00 pm tonight. Take your pick.

The WRF forecast sounding for TWC valid at noon today (above) indicates there is limited CAPE available with a slight chance for some thunder.

This morning's forecast for Friday and Saturday (below) indicates a rapid warm up, with a high around 100 F on Saturday.

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