Thursday, July 25, 2024

Heavy Storms Along Rillito


Early morning view of the Catalinas today. View at bottom is from yesterday afternoon after the storms here.


Plot of detected CG flashes through 0733 UTC last night (above from Atmo and Vaisala) indicates afternoon storm activity in north parts of eastern Pima County.


ALERT plot of rainfall reports through 7:00 am (above) and from MesoWest (below) show heavy amounts along foothills and the Rillito. Here at the house we had a heavy storm  around 4:00 pm with gusts around 40 to 50 mph (estimated). There was a report of gusts to 68 mph at 4:15 pm 7 miles north of the airport (which is near to our location).



The 500 mb analysis (above from SPC) shows a huge anticyclone centered over the Four Corners region. The morning sounding from TWC/TUS (below) continues moist, with a deep layer of several old BLs above the surface. There is considerable mid-level CAPE, and winds aloft are northerly to northeasterly at around 20 kts.



Forecast above (valid through midnight tonight) from the 12 UTC WRF-HRRR run at Atmo indicates rains across the metro area with some spots having heavy amounts. Current morning forecast from NWS TUS (below) continues to indicate high POPs for the airport through Saturday.

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