This area in SW Montana does correlate with the HRRR model showing convection developing, then rotating around an area low low pressure. There is a little bit of shear, lapse rates are marginal. The SPC has a slight risk for hail & wind. The tornado threat is just southwest of our WFO.
I'm digging into the RGBs which are slow to load. But I used the airmass RGB to see the location of the low.
-Penny Gardens


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