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Flood in Caldwell County, North Carolina
Flood August 17, 2021 – August 18, 2021 · Caldwell County, North Carolina
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
A stream gauge on Johns River in Burke County exceeded its established flood stage, indicating flooding along the river upstream in Caldwell County after 4 to 6 inches of rain fell in the basin throughout the 29th and early part of the 30th. Highway 90 and Adako Rd were inundated in the Collettsville community.
The wider storm
Tropical Storm Fred made landfall in the Florida Panhandle on the 16th and lifted steadily north through Georgia and into the southern Appalachians during the 16th and throughout the 17th. Tropical moisture and strong southeast upslope flow into the Blue Ridge mountains resulted in widespread showers and some thunderstorms producing extremely heavy rainfall rates. By the time the rain tapered off by the end of the 17th, 24-hour rainfall amounts of 5-12 inches were reported across portions of the mountains and foothills. This was in addition to a small area of 5-10 inch amounts that fell across portions of the southern North Carolina mountains during the morning of the 16th. The result of this rainfall was significant to catastrophic flash flooding across portions of the French Broad and Pigeon River basins, including some of the worst flooding to impact these areas in almost 20 years. The most severe flooding occurred in portions of southern and central Haywood County, where a number of fatalities and hundreds of millions of dollars and damage occurred. In addition, a brief tornado touched down in Iredell County and tracked into Alexander County.
Began near Collettsville (35.9330, -81.6750).
Other tornadoes from the same storm system
1 more tornado the National Weather Service filed under this storm episode.
Source: NOAA Storm Events Database, event 982282. Narratives are written by the National Weather Service forecast office that issued the report.
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