Friday, May 31, 1985, was a spring day like any other. Trees and flowers were in full bloom, Memorial Day weekend was in the rearview mirror, and most residents of Pennsylvania, Ohio and southern Ontario were looking forward to the weekend.

By the end of the day, however, 44 tornadoes had ripped through the region, killing 89 people. One massive twister moved from Ohio into Pennsylvania, destroying everything in its path, and still stands as the only F5 tornado on the Fujita Scale to strike Pennsylvania. Eight F4 tornadoes were also documented. The outbreak caused unprecedented damage and also remains Pennsylvania's deadliest severe weather outbreak to this day.

An AccuWeather meteorologist remembers the day

Senior Meteorologist Alex Sosnowski was working at AccuWeather on that fatefu

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