Flash Flood in Harrison County, Mississippi

Flash Flood June 6, 2026 · Harrison County, Mississippi

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

What the National Weather Service wrote

Flooded roads in Long Beach. Flooding was up to 6 inches deep.

The wider storm

A weak upper level system combined with a stalled frontal boundary extending over portions of southeast Louisiana and coastal Mississippi to produce a period of training thunderstorms over parts of Harrison, Hancock, and Pearl River Counties in coastal Mississippi. Very high moisture content in the atmosphere and warm air in the mid and upper levels allowed for very high rainfall rates to accompany these training thunderstorms resulting in flash flooding.

Began near Long Beach (30.3505, -89.1606).

Source: NOAA Storm Events Database, event 1344751. Narratives are written by the National Weather Service forecast office that issued the report.

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