Wednesday, October 06, 2010

Storm In Southeast Arizona

Very active storm day yesterday and still continuing this morning; probably a bigger day than occurred anytime during the summer. First a focus on southeast Arizona - next post will deal with the storms in the Phoenix area and this morning's tornado just north of the Flagstaff NWS Office.
Photos above are from just after 5 pm to about 6:20 pm (top to bottom) - Kitt Peak looking south (top); Catalinas from Campus (middle); and partial but double rainbow from house (bottom).
Several rounds of storms yesterday from south to north across central portions of southeast Arizona. Heaviest storms occurred with a strong, east-west arc of storms that moved rapidly northward across the Tucson metro area around 7 pm. The rooftop anemometer at ATMO on campus recorded a gust of 85 mph with these storms and there was minor wind damage reported in Marana to the northwest.
At 5 pm last evening 50% of the Pima County ALERT network had recorded rainfall during past 6-hours, but amounts had been mostly quite light, with a max report of 0.43". This morning 90% of the stations have recorded rainfall during past 24-hours with 12 sites reporting more than half an inch - max amount in the network was 0.75" up in Oro Valley area. Here in the Tucson metro area the airport had only 0.21", I measured 0.61" here at the house (0.47" with the storms around 7 pm), and ATMO measured 0.82". So, quite a nice storm and rain event down here in the southeast, but nothing like events further to the northwest, which will be covered in next post.

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