Tuesday, September 22, 2020

September 22nd

Bit of pre-sunrise color this morning, which is the first day of astronomical fall. View from campus at bottom shows some virga east of the Catalinas. Two ALERT sites on the mountain reported rainfall yesterday. 


The morning TWC sounding (above) exhibits a shallow layer of CAPE around 500 mb, which will probably support more showers on the Catalinas today. The GFS forecast of total rainfall through 00 UTC on October 1st (below) continues to leave most of Arizona high and dry.

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