Heavy clouds sitting on the Catalinas, and a smell of moisture in the air, make this the biggest weather morning in weeks! Top photo shows the Catalinas just after sunrise and middle photo indicates that Kitt Peak is in the clouds this morning. The cold trough at 500 mb over the West is ejecting a short-wave across the Great Basin today. This feature will bring signficiant snows to the Rockies and northern High Plains. Down here along the Borderlands, we'll catch mostly clouds, isolated showers, and some gusty winds. The bottom panel shows the U of AZ Atmo 06Z run of the WRF-GFS model today with its forecast of total rainfall ending at midnight tonight. The WRF forecasts only a slight chance of rainfall over south-central Arizona, keeping the bulk of this event up in the Rim country and White Mountains. Still, it's nice to observe more than wind and cirrus!
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