Hail in Umatilla County, Oregon

Hail July 2, 2022 · Umatilla County, Oregon

1.5 in

Hail diameter

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

What the National Weather Service wrote

Hail stones up to the diameter of 1.5 inches was reported near the Drift Fence Campground. The same thunderstorm had also produced 1 inch sized hail in the neighboring Grant county.

The wider storm

An upper low in the eastern Pacific guided a moisture plume over the region, resulting in numerous rain showers developing across the region. Increasing instability from southerly flow aloft also resulted in thunderstorms developing, with a few storms producing hail stones over an inch in diameter, strong winds, and brief heavy downpours.

Began near Ukiah (44.9900, -118.9300).

Source: NOAA Storm Events Database, event 1049335. Narratives are written by the National Weather Service forecast office that issued the report.

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