The Concord 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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79° on Nov. 15, 2005, the hottest reading for this week of the year since 1994. Next is 79° in 2011.
Concord’s center stands about 820 ft above sea level. Within three miles the land runs from 730 ft to 890 ft, a difference of 160 ft: gently rolling country. The highest named summit within 15 miles is Betts Mountain, about 1,290 ft, 14 miles southwest.
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 5 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 40×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Granite. Age: Precambrian to Paleozoic. About 11 mi of the line.
Gneiss, mica-schist, amphibolite. Age: Precambrian to Paleozoic. About 6 mi of the line.
Mica-schist. Age: Precambrian to Paleozoic. About 4 mi of the line.
Age: Precambrian to Paleozoic. About 4 mi of the line.
Schist. Age: Precambrian to Paleozoic. About 0.5 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 Concord reaches the Gulf of America by way of Birch Creek, the Flint and the Apalachicola: about 400 river miles.
280 miles of the trip are on the Flint.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Concord; river miles along the main stem, rounded.
Concord has a humid subtropical climate. Summer afternoons average 91° in July; winter nights fall to about 34° in January. About 49 inches of rain fall in a normal year.
On November 14 Concord normally reaches 66° and falls to 41°. The record high is 79°, in 2011; the record low 22°, in 2013. The most rain on this date, 0.79 in, fell in 2024.
Normals 1991–2020 and records since 1994 at Peachtree City Falcon Field, 20 miles north-northwest. NOAA, through RCC-ACIS.
