The Fort Lawn 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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15° on Nov. 15, 1963, the coldest reading for this week of the year since 1922. Next is 17° in 1969.
Fort Lawn’s center stands about 550 ft above sea level. Within three miles the land runs from 410 ft to 600 ft, a difference of 190 ft: gently rolling country.
Under the town center the state geologic map shows Metamorphosed granite and granodiorite (metagranite, metadiorite), from the Neoproterozoic to Cambrian, 487 to 1,000 million years old.
The section below crosses 9 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 56×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Metavolcanic. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 7 mi of the line.
Metagranite, metadiorite. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 7 mi of the line.
Metagranite. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 3 mi of the line.
Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 3 mi of the line.
Granite. Age: Carboniferous to Permian, 252 to 359 million years old. About 1 mi of the line.
Metavolcanic, gneiss. Age: Neoproterozoic to Ordovician, 445 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. 3 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 Fort Lawn reaches the Atlantic Ocean by way of Fishing Creek, the Catawba, the Wateree, the Congaree, the Santee and the South Santee: about 250 river miles.
Lake on the way: Lib Pines Lake.
90 miles of the trip are on the Wateree.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Fort Lawn; river miles along the main stem, rounded.
Fort Lawn has a humid subtropical climate. Summer afternoons average 90° in July; winter nights fall to about 30° in January. About 46 inches of rain fall in a normal year.
On November 14 Fort Lawn normally reaches 63° and falls to 38°. The record high is 82°, in 1989; the record low 20°, in 1963. The most rain on this date, 1.48 in, fell in 1940.
Normals 1991–2020 and records since 1922 at Chester 1 SE, 17 miles west. NOAA, through RCC-ACIS.
