Web Cam view from Computer Sciences yesterday afternoon shows another damp, dreary afternoon on the U of A campus. This event brought 100% coverage of precipitation over all of eastern Pima County, and the RAWS observations seem to indicate that all of southeast Arizona received measurable precipitation. Rainfall amounts at lower elevations around Tucson were mostly in the 2/10 to 5/10s of an inch range. For the first time in weeks both TUS and DMN surface observations indicated thunderstorms were occurring in the metro area - didn't hear any thunder here at house nor observe lightning. Rainfall here in backyard was 0.34". This makes the rainfall total at house for 2010 an amazing 4.37 inches. Skies at sunrise are covered by very low cloud cover and there are possibly a few sprinkles still around. The upper-low has moved off to the southeast of Arizona. The forecast models indicate a building ridge over the west at 500 mb that will persist for around a week, allowing things to dry out a bit.
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