Hail in Clarion County, Pennsylvania

Hail March 22, 2026 · Clarion County, Pennsylvania

1 in

Hail diameter

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

The wider storm

Late afternoon and evening thunderstorms developed along and ahead of a slowly southeastward sagging cold front. A surge of temperatures into the upper 70s with dew points in the mid 50s provided an unstable environment with 1000 J/kg of MUCAPE and strong 40-50 knot effective bulk shear. 500-600 J/kg of that CAPE was within the hail growth zone, and mid-level lapse rates were steep > 7 C/km. This supported severe thunderstorms with hail up to golf ball size and sporadic wind damage.

Began near Clarion Parker Arpt (41.2101, -79.3804).

Source: NOAA Storm Events Database, event 1323262. Narratives are written by the National Weather Service forecast office that issued the report.

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