Yesterday was another suppressed day over much of southeast Arizona. There was an isolated thunderstorm or two over the Catalinas around 4 to 6 pm - see photo above taken looking northeast at 4:30 pm from house at a cell over eastern Catalinas. These cells resulted in three ALERT stations on the Catalinas having rainfall; rest of the network was precipitation free. The U of A, Atmo WRF model was quite good yesterday, forecasting only some small mountain storms in southeast Arizona. Here at the house there has not been rainfall since the 0.03" on the 20th of July.
The RAP 500 mb analysis for this morning (above) shows that a massive anticyclone dominates most of the US and Mexico. The morning sounding at Tucson is a bit drier than yesterday and continues with almost no winds aloft except in the upper-troposphere. Not at all a good situation - isolated storms are again the most we can hope for.
Eugene has become a hurricane, but is forecast to remain south of 20 degrees N for most of its life - thus not likely to have impacts up here.
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