31 August 2000, major thunderstorm

Brigham Young University

Dept. of Physics & Astronomy

A strong thunderstorm passed over Utah Valley at about 4:00 pm on 31 August 2000. There is evidence of a strong downdraft in the wind direction and in the strong spike in the barometric pressure (mesohigh) just as the rainfall begins. There is also evidence of a strong westerly gust front that abruptly changes to an easterly wind just after the peak of the mesohigh passes.

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