Thursday, September 12, 2024

Rainy Weekend Possible


Orange skies again early this morning, looking toward the Rincons.


Plot of detected CG flashes for 24-hours ending at 0733 UTC last night (above from Atmo and Vaisala) indicates a very quiet day yesterday across Arizona, southwestern New Mexico, and northern Mexico.


A trough continues to dominate the West after the demise of the summer monsoon pattern - 500 mb analysis above from SPC.


Weekend outlook for rain amounts (above from NWS TUS) shows south-to-north band of amounts of half to 0ne inch amounts. The 06 UTC WRF-GFS forecast from Atmo (below) shows a more detailed, but similar, forecast for amounts through 6:00 pm MST on Monday. At bottom is current NWS forecast for the airport over the weekend, with 60 to 70 percent POPs on Sunday.

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