Sunday, May 12, 2019

Heavy Thunderstorm At Airport Last Evening And More


Mammatus at 5:50 am MST looking south from here.


Above is WRF-GFS radar forecast (from 06 UTC on the 11th) valid at 4:00 MST this early morning. Below is composite radar from 4:00 am this morning - reasonably good forecast that was just a bit under-done in coverage and a little fast in our area.



NWS composite radar chart for 5:00 am this morning - May 12th. The airport had a heavy thunderstorm last evening (7:35 pm) that produced wind gusts to 56 mph (just 2 kt shy of severe criteria), along with 1.10" of rain - huge event at TUS. nearby DM reported thunder with gusts to 53 mph, but only 0.06" of rain. Here at 5:00 am there was 0.10 in gauge, and it was raining lightly again - there was a rumble of thunder here last evening around 8:00 pm. Alert network (below for 24-hours ending at 5:00 am shows the generally light character of the precipitation, but with heavier amounts along south edges of metro area out to Three Points.



Finally two plots of CG flash density (from weather.bell and Vaisala) above is for 6-hours ending at 5:00 am, while below is 24-hours ending at 5:00 am. This has certainly been an active storm event for the Southwest, especially for May.


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