Monday, July 14, 2025

Dry Spell Hits 11 Days


View of Catalinas at 8:00 am MST this morning, showing a few high clouds over the mountains.


Another day with no detected CG flashes (above, from Atmo) over all of Pima County. There was again no rainfall anywhere in the ALERT Network and none here. Last rain here at house was on the 3rd, 11 days ago, which is a long dry spell for July.


 Rainfall forecast from the 06 UTC WRF-HRRR run (above, valid through 6:00 am tomorrow morning) indicates precipitation over the mountains and southern portion of eastern Pima County. Morning forecast from the NWS Forecast Office (below) calls for 40 percent POPs today, increasing to 70 percent for Tuesday night.

Long-term outlook from the GFS through the 30th of July (below) keeps Tucson just at northern end of heavy precipitation plume that covers western Mexico.

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