The Wallace 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. 11, 2020, the hottest reading for this week of the year since 1879. Next is 84° in 1951.
Wallace’s center stands about 180 ft above sea level. Within three miles the land runs from 40 ft to 210 ft, a difference of 170 ft: gently rolling country.
Under the town center the state geologic map shows Citronelle Formation (sand), from the Late Pliocene, 2.6 to 3.6 million years old.
The section below crosses 2 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.
Sand. Age: Late Pliocene, 2.6 to 3.6 million years old. About 19 mi of the line.
Clay, sand. Age: Pleistocene to Holocene, less than 2.6 million years old. About 0.9 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 Wallace reaches Pensacola Bay and the Gulf of America by way of Sevenmile Creek, the Escambia and the Dead: about 13 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Wallace; river miles along the main stem, rounded.
Wallace has a humid subtropical climate. Summer afternoons average 92° in July; winter nights fall to about 44° in January. About 68 inches of rain fall in a normal year.
On November 14 Wallace normally reaches 72° and falls to 51°. The record high is 83°, in 1955; the record low 30°, in 1969. The most rain on this date, 4.79 in, fell in 1914.
Normals 1991–2020 and records since 1879 from the Pensacola Area threaded record (Pensacola Regional Airport, 14 miles south). NOAA, through RCC-ACIS.
