The River Road plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.
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7.28 inches of rain fell in two days, the most for this week of the year since records began in 1893. The next wettest, 5.14 inches, fell in 2020.
River Road’s center stands about 50 ft above sea level. Within three miles the land runs from 0 ft to 90 ft, a difference of 90 ft: gently rolling country. Open water lies within three miles.
Under the town center the state geologic map shows Yorktown Formation and Duplin Formation, Undivided (clay), from the Tertiary, 2.6 to 66 million years old.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 64×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Clay. Age: Tertiary, 2.6 to 66 million years old. About 23 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale.
Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR; rock from the USGS State Geologic Map Compilation.
A raindrop that lands in River Road reaches Pamlico Sound and the Atlantic Ocean by way of Broad Creek and the Pamlico: about 35 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of River Road; river miles along the main stem, rounded.
River Road has a humid subtropical climate. Summer afternoons average 89° in July; winter nights fall to about 34° in January. About 53 inches of rain fall in a normal year, with about 1 inch of snow.
Normals 1991–2020 and records since 1893 at Washington Wwtp 4 W, 6 miles west-northwest. NOAA, through RCC-ACIS.
