The Longcreek 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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3.69 inches of rain fell in two days, the most for this week of the year since records began in 1942. The next wettest, 3.65 inches, fell in 2018.
Longcreek’s center stands about 1,630 ft above sea level. Within three miles the land runs from 1,170 ft to 1,880 ft, a difference of 710 ft: hilly country. The highest named summit within 15 miles is Rabun Bald, about 4,670 ft, 13 miles north.
Under the town center the state geologic map shows Tallulah Falls Formation, gneiss and schist (biotite-gneiss), from the Neoproterozoic, 542 to 1,000 million years old.
The section below crosses 7 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 7×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Metagraywacke, mica-schist. Age: Precambrian to Paleozoic. About 7 mi of the line.
Metasedimentary. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 6 mi of the line.
Biotite-gneiss. Age: Neoproterozoic, 542 to 1,000 million years old. About 5 mi of the line.
Gneiss. Age: Silurian to Devonian, 359 to 445 million years old. About 3 mi of the line.
Schist. Age: Precambrian to Paleozoic. About 1 mi of the line.
Mylonite, phyllonite. Age: Carboniferous to Permian, 252 to 359 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. 1 smaller unit 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 Longcreek reaches the Atlantic Ocean by way of Long Creek, the Chattooga, the Tugaloo and the Savannah: about 350 river miles.
290 miles of the trip are on the Savannah.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Longcreek; river miles along the main stem, rounded.
Longcreek has a humid subtropical climate. Summer afternoons average 85° in July; winter nights fall to about 30° in January. About 64 inches of rain fall in a normal year, with about 3 inches of snow.
On November 14 Longcreek normally reaches 61° and falls to 38°. The record high is 80°, in 1985; the record low 20°, in 2019. The most rain on this date, 1.67 in, fell in 1947.
Normals 1991–2020 and records since 1942 at Long Creek, here. NOAA, through RCC-ACIS.
