Wednesday, July 8, 2009

FCST: 7-8-09 WY,MT,ND and SD

Target Area: Buffalo, SD

Forecast Discussion: 500mb winds 50-60knts, backed 850mb winds at 30 knts just to the north, Surface winds will be backed at 20 knts. A warm front will be draped near the ND/SD border with a tight surface low on the MT, SD, WY borders. Dewpoints are forecasted to be 65-70F in the area. 0-3km Helicity will be over 300m2s2 just west of Buffalo. Supercell development with isolated tornados is likely early on in the MT,WY, SD borders with movement to the ENE at 15knts. Will be watching mesoanalysis throughout the day and adjust accordingly.

Steve 830AM MDT

Chase Summary:

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