The Glenwood 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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87° on Nov. 14, 1955, the hottest reading for this week of the year since 1908. Next is 86° in 1922.
Glenwood’s center stands about 320 ft above sea level. Within three miles the land runs from 270 ft to 420 ft, a difference of 150 ft: gently rolling country. The highest named summit within 15 miles is Motes Hill, about 520 ft, 12 miles north.
Under the town center the state geologic map shows Midway Group; Porters Creek Formation (clay, sand), from the Paleocene, 56 to 66 million years old.
The section below crosses 8 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 64×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Clay, sand. Age: Paleocene, 56 to 66 million years old. About 6 mi of the line.
Clay, sand. Age: Paleocene, 56 to 66 million years old. About 5 mi of the line.
Sand. Age: Holocene, less than 12,000 years old. About 4 mi of the line.
Claystone. Age: Eocene, 34 to 56 million years old. About 3 mi of the line.
Limestone. Age: Paleocene, 56 to 66 million years old. About 2 mi of the line.
Silt, clay. Age: Paleocene, 56 to 66 million years old. About 2 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 2 smaller units 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 Glenwood reaches Pensacola Bay and the Gulf of America by way of the Conecuh, the Escambia and the Dead: about 180 river miles.
130 miles of the trip are on the Conecuh.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Glenwood; river miles along the main stem, rounded.
Glenwood has a humid subtropical climate. Summer afternoons average 91° in July; winter nights fall to about 37° in January. About 53 inches of rain fall in a normal year.
On November 14 Glenwood normally reaches 68° and falls to 45°. The record high is 87°, in 1955; the record low 24°, in 2019. The most rain on this date, 2.00 in, fell in 1930.
Normals 1991–2020 and records since 1908 at Troy, 15 miles northeast, 220 ft higher. NOAA, through RCC-ACIS.
