Flash Flood in Harrison County, Mississippi

Flash Flood May 22, 2026 · Harrison County, Mississippi

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

What the National Weather Service wrote

Intersection of Hwy 90 and 20th Ave flooded according to Harrison SO.

The wider storm

An embedded shortwave moved northeast through a broad upper-level trough while increasing midlevel winds aided thunderstorm organization across the central Gulf Coast. Ample atmospheric moisture in the local soundings and strong instability supported expanding afternoon convection with very efficient rainfall. Storms aligned with the southwesterly steering flow, allowing localized training and flash flooding near Gulfport.

Began near Gulfport (30.3700, -89.0900).

Source: NOAA Storm Events Database, event 1343352. Narratives are written by the National Weather Service forecast office that issued the report.

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