The Earl 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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5.77 inches of rain fell in two days, the most for this week of the year since records began in 1893. The next wettest, 3.56 inches, fell in 2009.
Earl’s center stands about 850 ft above sea level. Within three miles the land runs from 610 ft to 900 ft, a difference of 290 ft: rolling country. The highest named summit within 15 miles is Crowders Mountain, about 1,570 ft, 15 miles east.
The section below crosses 11 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 30×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Mica-schist. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 10 mi of the line.
Biotite-gneiss, mica-schist, calc-silicate-rock. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 3 mi of the line.
Metavolcanic. Age: Neoproterozoic, 542 to 1,000 million years old. About 3 mi of the line.
Granite. Age: Carboniferous to Permian, 252 to 359 million years old. About 2 mi of the line.
Schist. Age: Neoproterozoic, 542 to 1,000 million years old. About 2 mi of the line.
Mica-schist. Age: Neoproterozoic, 542 to 1,000 million years old. About 1 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 5 smaller units along the line are not listed.
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 Earl reaches the Atlantic Ocean by way of Buffalo Creek, the Broad, the Congaree, the Santee and the South Santee: about 290 river miles.
Lake on the way: Lib Pines Lake.
100 miles of the trip are on the Broad.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Earl; river miles along the main stem, rounded.
Earl has a humid subtropical climate. Summer afternoons average 91° in July; winter nights fall to about 27° in January. About 50 inches of rain fall in a normal year, with about 4 inches of snow.
On November 14 Earl normally reaches 64° and falls to 35°. The record high is 81°, in 1955; the record low 18°, in 2019. The most rain on this date, 1.88 in, fell in 1972.
Normals 1991–2020 and records since 1893 at Shelby 2 NW, 8 miles north-northwest. NOAA, through RCC-ACIS.
