The North Corbin 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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3.53 inches of rain fell in two days, the most for this week of the year since records began in 1954. The next wettest, 3.34 inches, fell in 1957.
North Corbin’s center stands about 1,230 ft above sea level. Within three miles the land runs from 1,040 ft to 1,330 ft, a difference of 290 ft: rolling country. The highest named summit within 15 miles is Bald Knob, about 1,880 ft, 8 miles south.
Under the town center the state geologic map shows Breathitt Formation, lower part (shale, siltstone), from the Carboniferous, 299 to 324 million years old.
The section below crosses 3 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 25×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Shale, siltstone. Age: Carboniferous, 299 to 324 million years old. About 15 mi of the line.
Conglomerate, sandstone. Age: Carboniferous, 299 to 324 million years old. About 6 mi of the line.
Sand, silt. Age: Pleistocene to Holocene, less than 2.6 million years old. About 3 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 North Corbin reaches the Gulf of America by way of Lynn Camp Creek, the Cumberland, the Ohio and the Mississippi: about 1,590 river miles.
Lakes on the way: Bards Lake, Lake Cumberland, Cordell Hull Reservoir and Laurel River Lake.
970 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of North Corbin; river miles along the main stem, rounded.
North Corbin has a humid subtropical climate. Summer afternoons average 86° in July; winter nights fall to about 27° in January. About 51 inches of rain fall in a normal year.
On November 14 North Corbin normally reaches 58° and falls to 36°. The record high is 79°, in 1993; the record low 12°, in 1969. The most rain on this date, 1.51 in, fell in 2007.
Normals 1991–2020 and records since 1954 at London Corbin Airport, 9 miles north. NOAA, through RCC-ACIS.
