Hail in Asotin County, Washington

Hail September 3, 2013 · Asotin County, Washington

1.75 in

Hail diameter

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

The wider storm

Post frontal thunderstorms developed across the Northeast Blue Mountains during the late afternoon hours. Just enough sunshine in the afternoon destabilized the atmosphere to create surface based convective available potential energy of 500 to 1,000 J/KG. This was just enough energy in a marginally sheared environment for a supercell thunderstorm that produced severe hail.

Began near Grouse (46.0100, -117.4800).

Source: NOAA Storm Events Database, event 474813. Narratives are written by the National Weather Service forecast office that issued the report.

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