The Valley Grande 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
Partly cloudy
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4.40 inches of rain fell in two days, the most for this week of the year since records began in 1895. The next wettest, 3.65 inches, fell in 2010.
Valley Grande’s center stands about 370 ft above sea level. Within three miles the land runs from 140 ft to 430 ft, a difference of 290 ft: rolling country. The highest named summit within 15 miles is Parker Mountain, about 590 ft, 9 miles east-northeast.
Under the town center the state geologic map shows Eutaw Formation (sand, clay), from the Cretaceous, 66 to 145 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 42×. 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, clay. Age: Cretaceous, 66 to 145 million years old. About 14 mi of the line.
Sand. Age: Holocene, less than 12,000 years old. About 10 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 Valley Grande reaches Mobile Bay and the Gulf of America by way of Fourmile Branch, Valley Creek, the Alabama and the Mobile: about 270 river miles.
210 miles of the trip are on the Alabama.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Valley Grande; river miles along the main stem, rounded.
Valley Grande has a humid subtropical climate. Summer afternoons average 93° in July; winter nights fall to about 36° in January. About 54 inches of rain fall in a normal year.
On November 14 Valley Grande normally reaches 70° and falls to 43°. The record high is 89°, in 1931; the record low 23°, in 2019. The most rain on this date, 2.00 in, fell in 1983.
Normals 1991–2020 and records since 1895 at Selma, 7 miles south-southwest, 220 ft lower. NOAA, through RCC-ACIS.
