The Ringgold 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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81° on Nov. 12, 1989, the hottest reading for this week of the year since 1879. Next is 80° in 1958.
Ringgold’s center stands about 770 ft above sea level. Within three miles the land runs from 740 ft to 1,260 ft, a difference of 520 ft: hilly country. The highest named summit within 15 miles is Dug Mountain, about 1,820 ft, 14 miles south-southeast.
Under the town center the state geologic map shows Chickamauga Group; Upper and Middle Ordovician rocks (Oum) includes Sequatchie Limestone, Murfreesboro Limestone, Ridley Limestone, Moccasin Limestone and Bays Formation, from the Ordovician, 445 to 487 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 27×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sandstone, shale. Age: Silurian, 422 to 445 million years old. About 7 mi of the line.
Limestone. Age: Ordovician, 445 to 487 million years old. About 6 mi of the line.
Dolostone. Age: Cambrian, 487 to 542 million years old. About 5 mi of the line.
Limestone. Age: Ordovician, 445 to 487 million years old. About 2 mi of the line.
Dolostone, limestone. Age: Ordovician, 445 to 487 million years old. About 2 mi of the line.
Black-shale, chert. Age: Devonian to Carboniferous, 324 to 422 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 Ringgold reaches the Gulf of America by way of South Chickamauga Creek, the Tennessee, the Ohio and the Mississippi: about 1,510 river miles.
Lakes on the way: Guntersville Lake, White Lake (historical), Pickwick Lake and Cummings Lake.
970 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Ringgold; river miles along the main stem, rounded.
Ringgold has a humid subtropical climate. Summer afternoons average 91° in July; winter nights fall to about 32° in January. About 55 inches of rain fall in a normal year, with about 4 inches of snow.
On November 14 Ringgold normally reaches 62° and falls to 40°. The record high is 79°, in 1999; the record low 18°, in 1969. The most rain on this date, 2.47 in, fell in 1929.
Normals 1991–2020 and records since 1879 from the Chattanooga Area threaded record (Chattanooga Airport, 10 miles north-northwest, 100 ft lower). NOAA, through RCC-ACIS.
