Tuesday, October 31, 2017

Late Night Thunderstorms Skirt Most of Tucson

Edited to add: Ron Holle just sent e-mail as per - 0.55" at his place in Oro Valley, with some small hail, between 10:00 and 10:30 pm.


Nice cool morning at sunrise today, with some middle to high clouds around (top and bottom), with some pink virga streamers to the southwest.


Thundertorms skirted most of metro last night, as per 12 hour CG flash density (above) for 12-hours ending at 6:00 am MST - storms to north, east, and south of city.  The ALERT network did capture some rainfall, in and near the Catalinas, particularly just north and northwest of Oro Valley, where a half to three quarters of an inch fell. Here at house we had a nice smell of rain, but nothing in the gauge. Davis Monthan had thunder and much of far southeastern Arizona had light amounts - the two ALERT measurements near Oro Valley were far and away the largest amounts I found.



The gauge with 0.75" recorded the rain between 10:00 and 11:00 pm (above), and the Phoenix radar (KIWA) image for 11:00 pm is shown below.


Here is the ALERT network 30-day rainfall showing almost all of the month's rain fell last night.



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