Friday, September 24, 2010

Bit More On The Wednesday Rain Burst




Cyrus Jones (Dept. of Atmospheric Sciences) has sent along time series from the Atmo weather station for the rain burst - produced by warm-rain, tropical-like showers over lunch hour on Wednesday, September 22nd. The intense rain rate is shown in the top series; the trace for T and Td is shown in middle; and the SLP trace is shown at bottom. The amounts along the track of the rain band, plus the short duration of the rains, indicates rain rates of 2.5 +/- approx. 0.25 inches/hour. There was brief pressure spike with the event, and winds were gusting over 40 mph at the roof-top anemometer. This was a quite interesting and most unusual event for here.


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