Wednesday, March 24, 2010

Widespread But Light Rains


Yesterday's showers, and some thunderstorms, affected most of southeast Arizona but amounts were generally only .05" to .15". All of the first order observing sites in southeast Arizona had measurable rainfall, except for the Trace at Nogales, which also had thunder and lightning. Here at the house we had 0.08" with a low this morning of 38F. All of the RAWS stations also had precipitation with Chiricahua NM Headquarters reporting 1.10" and Trail Cabin 0.52" - so amounts were higher in the far east part of the region. More than 80% of the Pima County ALERT gauges also had measurable rain. Thus, POPs of 20% turned out to be very conservative as far as the areal extent of the event. Photo above shows the Huachuca Mountains in a view looking southwest from Sierra Vista - note the very heavy snow cover this spring.

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