FloodZoneMap.org

Flash Flood — Onslow, NC

Jul 9, 2023

A wavy frontal boundary sagged slowly south through Eastern North Carolina during the afternoon hours. Scattered to numerous severe thunderstorms developed along and ahead of the front, and moved southeast across much of the region, eventually making it all the way to the coast. The magnitude of severe weather with this event made it particularly unique, producing rare hail up to 2 in diameter and wind gusts in excess of 70 mph. Additionally, large hail was observed all the way to the coast. Som

Source: NOAA National Weather Service Storm Events Database (event 1127862). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Onslow, NC

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

View Onslow County flood data →

More Flood Stories

Flash Flood$1.0M damage

Onslow, NC · Sep 30, 2010

A stalled front across eastern North Carolina combined with a deep southerly flow of very moist air led to several days of torrential rain across eastern North Carolina from September 27th through the 30th.

Read the full account →
Flash Flood

Onslow, NC · Aug 8, 2024

After making landfall in the Big Bend area of Florida as a Category 1 hurricane on August 5, Debby weakened to a tropical storm as it slowly moved across southeastern Georgia and offshore.

Read the full account →
Tropical Storm

Inland Onslow, NC · Aug 8, 2024

After making landfall in the Big Bend area of Florida as a Category 1 hurricane on August 5, Debby weakened to a tropical storm as it slowly moved across southeastern Georgia and offshore.

Read the full account →
Flash Flood

Onslow, NC · Aug 31, 2023

Idalia developed near the Yucatan Channel on August 27th and meandered around for a couple of days before moving into the Gulf of Mexico on August 29th.

Read the full account →