Marine Hail · Lake Erie

Marine Hail July 15, 2024 · Upper Niagara River, Lake Erie

1.25 in

Hail diameter

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

What the National Weather Service wrote

Half dollar sized hail.

The wider storm

A strong upper-level trough and mesoscale convective vortex (MCV) crossed western and central New York during the afternoon on July 15, 2024. Timing with the MCV corresponded with favorable daytime heating and partly to mostly sunny skies ahead of the system. This resulted in more than 2,000 J/kg of CAPE across much of the region south & southeast of Lake Ontario. Combined with the dynamic nature and the shear associated with the MCV itself, severe thunderstorms developed and moved across the area.

Began near Buffalo Harbor (42.9206, -78.9009).

Source: NOAA Storm Events Database, event 1205940. Narratives are written by the National Weather Service forecast office that issued the report.

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