The Demorest 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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Sunny; warmer
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3.64 inches of rain fell in two days, the most for this week of the year since records began in 1919. The next wettest, 3.45 inches, fell in 2009.
Demorest’s center stands about 1,340 ft above sea level. Within three miles the land runs from 1,250 ft to 1,490 ft, a difference of 240 ft: rolling country. The highest named summit within 15 miles is Oakey Mountain, about 3,180 ft, 13 miles north.
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 11×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Amphibolite, biotite-gneiss, mica-schist. Age: Precambrian to Paleozoic. About 10 mi of the line.
Metagraywacke, mica-schist. Age: Precambrian to Paleozoic. About 6 mi of the line.
Age: Precambrian to Paleozoic. About 3 mi of the line.
Gneiss. Age: Precambrian to Paleozoic. About 2 mi of the line.
Schist. Age: Precambrian to Paleozoic. About 1 mi of the line.
Quartzite, biotite-gneiss. Age: Precambrian to Paleozoic. 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 Demorest reaches the Gulf of America by way of Camp Creek, Hazel Creek, the Soquee, the Chattahoochee and the Apalachicola: about 510 river miles.
Lakes on the way: Walter F George Reservoir, Woodmen Youth Camp Lake, West Point Lake and Bartletts Ferry Lake.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Demorest; river miles along the main stem, rounded.
Demorest has a humid subtropical climate. Summer afternoons average 86° in July; winter nights fall to about 30° in January. About 59 inches of rain fall in a normal year.
On November 14 Demorest normally reaches 61° and falls to 39°. The record high is 78°, in 1931; the record low 19°, in 1982. The most rain on this date, 1.21 in, fell in 1962.
Normals 1991–2020 and records since 1919 at Cornelia, 3 miles south-southeast, 130 ft higher. NOAA, through RCC-ACIS.
