Monday, June 01, 2020

End Of May/Start Of June


Photo of a large thunderstorm southwest of here yesterday afternoon at a bit after 1:00 pm MST. The core of this storm split into two cells: one built southward and the main cell back-built toward the west. End result was heavy anvil for this part of city and no rain. Photo at bottom, a few hours later, shows the heavy anvil and some build-ups over the Catalinas.

May ended up with no measurable rain here at the house - total here since March 18th has been only 0.04".


Plot above is for detected CG flashes for 24-hours ending at 3:00 am this morning - our house is close to center of the big void over much of eastern Pima County. Rainfall over the ALERT network (below for 24-hours ending at 8:30 am this morning) shows rain measured mostly over southern portions of network with a couple of heavy amounts (over an inch at Keystone Peak).



Model forecasts indicate significant drying for rest of week, after a slight chance for more storms today. Current WRF forecasts indicate some chances for storms today, but mostly to south and west of metro area. Forecast above is from 00 UTC WRF-GFS and is for PW at 5:00 am on June 6th - pretty grim forecast. 

Precipitation forecast below is for total rainfall from same model run and for same period. Looks like a typical start to June - hot and dry.


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