Monday, August 26, 2024

Another Mostly Down Day


Evening storm over Redington Pass at 6:45 pm MST yesterday.


Plot of detected CG flashes through 0733 UTC last night (from Atmo and Vaisala) shows some storm activity that occurred mostly over the mountains of eastern Pima County.  There were only seven sites across the ALERT network that reported 0.04" or more rainfall through 7:00 am this morning. Three were around Redington Pass and four were across the southern portion of the network, Heaviest amount was 0.16" at Florida Canyon in the northern Santa Ritas. Another quiet day here at the house.


At 500 mb this morning (above from SPC) the anticyclone is centered over northern Missouri, while Arizona is under the influence of the western trough. Certainly not a very monsoon-looking pattern with only a week left in August.


The 12 UTC run of the WRF-HRRR at Atmo (above) forecasts almost no rainfall over most of Arizona through midnight tonight, with a focus on Santa Cruz County. A five day outlook for southeastern Arizona from the NWS Forecast Office is below - the tables are not very readable unless you visit their webpage.

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