Flash Flood — Harrison, Mississippi

2025-07-01 · near Mississippi City, Harrison, Mississippi

Event narrative

Public video of flooding on Courthouse Road in Gulfport.

Wider weather episode

Strong to severe thunderstorms impacted the Mississippi Gulf Coast and adjacent waters on July 1, 2025, as a cold front moved into a hot and humid airmass. Over land, storms produced damaging wind gusts up to 76 mph at Gulfport-Biloxi International Airport, resulting in downed trees, large branches, and power lines across Harrison County. Heavy rainfall also caused flash flooding in Harrison and Jackson Counties, with apartment units flooded in Gulfport, several roads covered in water, and stalled vehicles reported. Over the Mississippi Sound, thunderstorms generated measured wind gusts between 41 and 48 mph at Ship Island, Gulfport, and Bay Waveland Yacht Club buoys.

View location on OpenStreetMap → (30.3800, -89.0400)

Source: NOAA Storm Events Database, event_id 1286870. Narrative written by the NWS forecast office that issued the report.