The Stonecrest 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.
Sunny
Mostly sunny; warmer
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82° on Nov. 16, 1958, the hottest reading for this week of the year since 1878. Next is 81° in 1985.
Stonecrest’s center stands about 910 ft above sea level. Within three miles the land runs from 760 ft to 1,000 ft, a difference of 240 ft: rolling country. The highest named summit within 15 miles is Stone Mountain, about 1,670 ft, 7 miles north-northeast.
Under the town center the state geologic map shows Mica Schist/ Gneiss/ Amphibolite (gneiss, mica-schist, amphibolite), from the Precambrian to Paleozoic.
The section below crosses 6 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 46×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Gneiss, mica-schist, amphibolite. Age: Precambrian to Paleozoic. About 9 mi of the line.
Amphibolite, biotite-gneiss, mica-schist. Age: Precambrian to Paleozoic. About 7 mi of the line.
Gneiss. Age: Precambrian to Paleozoic. About 4 mi of the line.
Calc-silicate-gneiss. Age: Precambrian to Paleozoic. About 2 mi of the line.
Granite. Age: Precambrian to Paleozoic. About 2 mi of the line.
Quartzite, mica-schist. Age: Precambrian to Paleozoic. About 0.7 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 Stonecrest reaches the Atlantic Ocean by way of Pole Bridge Creek, the South River, the Ocmulgee and the Altamaha: about 410 river miles.
Lake on the way: Jackson Lake.
240 miles of the trip are on the Ocmulgee.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Stonecrest; river miles along the main stem, rounded.
Stonecrest has a humid subtropical climate. Summer afternoons average 90° in July; winter nights fall to about 36° in January. About 50 inches of rain fall in a normal year, with about 2 inches of snow.
On November 14 Stonecrest normally reaches 64° and falls to 44°. The record high is 80°, in 1955; the record low 22°, in 1969. The most rain on this date, 1.80 in, fell in 1888.
Normals 1991–2020 and records since 1878 from the Atlanta Area threaded record (Atlanta Hartsfield-Jackson International Airport, 16 miles west-southwest, 100 ft higher). NOAA, through RCC-ACIS.
