Hail in Lewis County, Idaho

Hail June 12, 2012 · Lewis County, Idaho

1.25 in

Hail diameter

Where the report was made, with tornadoes recorded within 15 miles over the years.

The wider storm

Surface based convection began to fire over the Idaho Panhandle around noon PST in an unstable atmosphere with a moist boundary layer and a weak to moderate shear environment. Strongest shear was located across the Camas Prairie where a thunderstorm did become more organized eventually growing severe over northwestern Lewis County. The severe thunderstorm tracked eastward off the northeast Blue Mountains in southeastern Washington. Half dollar size hail was observed six miles south of Culdesac before weakening as it crossed State Route 95 to the southeast.

Began near Slickpoo (46.2900, -116.6700).

Source: NOAA Storm Events Database, event 385850. Narratives are written by the National Weather Service forecast office that issued the report.

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