Tuesday, December 17, 2019

Update re Winds

I had several appointments this morning and did not get around to the strong east winds. Winds have been gusting 20 to 30 mph since  mid-morning from the east here, but not yet at airport. The 15 UTC WRF-RR forecast above is for 10-m winds valid at 5:00 am tomorrow morning (18 December). Quite a nasty wind event.

The forecast sounding for Sonoita (below, from same model run, valid at 5:00 am tomorrow morning) indicates the strong winds will continue into tomorrow. The depth of the easterlies indicates that winds at the Mt. Hopkins RAWS site will probably gust at least 60 to 70 mph during the night tonight.

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