Thursday, June 17, 2010

Hail Probability Product from 16 June

The image above shows the severe hail probability product from 16 June, valid from 21-00Z. Also plotted are the severe weather reports between 18-00Z; hail is denoted by 'a'. Only a couple of the reports in Montana occurred prior to 21Z, the rest being observed within the hail product's 3-hour time window. For reference, the 2115 UTC GOES-East IR image is below. The product did a nice job of highlighting the regions in which hail was observed (and other severe weather in the case of eastern Kansas). In particular, note the small region near Sydney, Nebraska. There, towering cumulus had just begun to form and a bullseye of probabilities can be seen. Hail was reported there around 2200 UTC.

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