The Saltillo 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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17° on Nov. 15, 1969, the coldest reading for this week of the year since 1930. Next is 17° in 2019.
Saltillo’s center stands about 330 ft above sea level. Within three miles the land runs from 280 ft to 460 ft, a difference of 180 ft: gently rolling country. The highest named summit within 15 miles is Lebanon Mountain, about 800 ft, 14 miles north-northwest.
The section below crosses 6 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, clay. Age: Late Cretaceous, 66 to 100 million years old. About 10 mi of the line.
Chalk. Age: Late Cretaceous, 66 to 100 million years old. About 8 mi of the line.
Sand, clay, limestone. Age: Late Cretaceous, 66 to 100 million years old. About 2 mi of the line.
Sand. Age: Late Cretaceous, 66 to 100 million years old. About 2 mi of the line.
Sand, clay. Age: Late Cretaceous, 66 to 100 million years old. About 1 mi of the line.
Chalk, clay. Age: Late Cretaceous, 66 to 100 million years old. About 0.8 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 Saltillo reaches Mobile Bay and the Gulf of America by way of Euclautubba Creek, Mud Creek, Town Creek, the Tombigbee and the Mobile: about 430 river miles.
350 miles of the trip are on the Tombigbee.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Saltillo; river miles along the main stem, rounded.
Saltillo has a humid subtropical climate. Summer afternoons average 92° in July; winter nights fall to about 34° in January. About 58 inches of rain fall in a normal year, with about 2 inches of snow.
On November 14 Saltillo normally reaches 65° and falls to 42°. The record high is 85°, in 1955; the record low 21°, in 2014. The most rain on this date, 2.55 in, fell in 1930.
Normals 1991–2020 and records since 1930 from the Tupelo Area threaded record (Tupelo, 9 miles south-southwest). NOAA, through RCC-ACIS.
