Tuesday, July 28, 2020

Ending A Boring July


Alto cumulus drifting overhead about 8:00 am MST this morning. Seems we've been in the meteorological doldrums for much of July. One heavy rainfall event on the 23rd and little else.


Almost a donut hole in the CG flash plot (above, from Atmo and Vaisala) centered near or just west of downtown. Rainfall reports mostly in mountains and south to southeast of the city. There were, however, a number of sites that reported over half an inch.

Here at the house we had a brief spit of rain around 2:00 pm that wasn't enough to even wet the courtyard - so another Trace.



This morning's TWC sounding is very similar to yesterday's - see previous couple of discussions. Main difference today is that there are light westerly steering winds.

The 06 UTC GEFS plumes (below) for QPF at airport show some chance for light showers this early morning, which didn't happen, and then nothing for the coming week. Plumes for temperature (not shown) indicate gradual heating, and current NWS forecast high for Friday is 110 F - ugh.

Down at bottom is 12 UTC WRF-RR forecast for rainfall through midnight. That model forecasts isolated, light showers for eastern Pima County. Yet another day where chances for rain in the gauge here at house are very near zero.

August often makes up for a dismal July, and hopefully that will be the case this year. 


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