Thursday, August 29, 2024

More Sprinkles


Nice pre-sunrise color this morning looking toward Redington Pass at 5:50 am MST.


Yesterday was very suppressed over most of southern Arizona. Plot of detected CG flashes (above through 0813 UTC last night - from Atmo and Vaisala) shows no thunderstorm activity over eastern Pima County.


There were morning sprinkles and showers yesterday across the Catalinas and far southern parts of the ALERT network. There was a Trace here, as well as at DM and the airport.



At 500 the main anticyclone center has shifted to the Carolinas this morning and there appears to be a weak circulation over Nevada, as well as an inverted trough over western Arizona and southern California (above analysis from SPC). Wind speeds remain quite light at 500 mb. The morning sounding is relatively dry and quite stable (below, also from SPC).


Plumes for QPF at the airport from the 06 UTC GEFS (above) indicate a quiet ending of the month for August. The 12 UTC WRF-HRRR forecast through midnight (from Atmo - below) indicates little rainfall over much of Arizona, including Pima, Santa Cruz, and Cochise Counties.

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