Tuesday, March 22, 2011

Lots Of Wind And Bit Of Rain In Southeast Arizona




Strong Pacific front came through metro Tucson around 5 pm yesterday afternoon, after a very windy afternoon. Top photo from campus shows view to north about time of FROPA. The temperature and dewpoint time trace from Atmo is shown in middle. This morning here at house it is cool and damp and quite pleasant with much cleaner air. Bottom photo shows west end of Catalinas with some early morning sunlight and a tiny bit of fractus cloud.
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Most notable yesterday in southeast Arizona were the winds out ahead of the front. Gusts of 40 to 50 mmph were common: Gutherie RAWS station reported max of 65 mph; Ft. Huachuca had 55 mph; Atmo rooftop anemometer recorded 61 mph. The NWS ASOS stations at Douglas and Nogales are out of service, so I don't know what max gusts were at those locations.
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Rainfall coverage across eastern Pima County was quite good - 85 of the 93 ALERT gauges measured precipitation (~90% coverage). But amounts were quite light, except for higher elevations. Amounts across the metro area were around 0.10" or less - we had 0.08" here at house, as did Atmo. In the higher elevations, mostly in Catalinas, 11 gauges measured 0.25" or more and 2 gauges had over 0.50". But a dissapointing event wrt rainfall/snowfall, particularly since it is possible that this was the weather for March 2011.

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