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Flash Flood — Shannon, MO

May 14, 2020

A moist and unstable air mass interacted with several upper level disturbances and a very slow moving upper level low pressure system to bring heavy rain to the region. The storms occurring on the afternoon of the 14th produced hail larger than golf balls and damaging straight-line winds from Springfield eastward into West Plains. With grounds already saturated from the rainfall on the 11th and 12th, widespread stream flooding and flash flooding developed, mainly on the 16th and 17, after rainf

Source: NOAA National Weather Service Storm Events Database (event 892903). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Shannon, MO

This event is one of many recorded floods in Shannon County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

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