Saturday, May 26, 2018

Big Weather Day - Clouds And Virga

Heavy, high and middle cloudiness moved in at sunset last evening and kept nighttime temperatures very warm - 6:00 am MST temperature here 70 F and at airport 74 F. The 13 UTC IR image above shows that upper cyclone over central California picked up a long plume of mid-to-high level clouds, now extending from tropics to northern New Mexico and covering southeast half of Arizona.

Photos here were taken at sunrise from north side of the Rillito - top shows virga over western Catalinas while below shows iridescence to south side of rising sun. Bottom is south view from Kitt Peak a bit before 7:00 am. 

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