The Trafford 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
Partly cloudy; warmer
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18° on Nov. 13, 2019, the coldest reading for this week of the year since 1895. Next is 19° in 1940.
Trafford’s center stands about 530 ft above sea level. Within three miles the land runs from 330 ft to 620 ft, a difference of 290 ft: rolling country. The highest named summit within 15 miles is Cahaba Mountain, about 1,530 ft, 14 miles east-southeast.
Under the town center the state geologic map shows Pottsville Formation (upper part) (shale, siltstone, sandstone), from the Carboniferous, 299 to 324 million years old.
The section below crosses 9 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 18×. 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. Age: Carboniferous, 299 to 324 million years old. About 15 mi of the line.
Shale, siltstone, sandstone. Age: Carboniferous, 299 to 324 million years old. About 4 mi of the line.
Sandstone, conglomerate. Age: Carboniferous, 299 to 324 million years old. About 2 mi of the line.
Dolostone, limestone. Age: Cambrian to Ordovician, 445 to 542 million years old. About 1 mi of the line.
Sandstone. Age: Silurian, 422 to 445 million years old. About 0.9 mi of the line.
Sandstone. Age: Carboniferous, 324 to 359 million years old. About 0.4 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 3 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 Trafford reaches Mobile Bay and the Gulf of America by way of the Locust Fork, the Black Warrior, the Tombigbee and the Mobile: about 460 river miles.
170 miles of the trip are on the Tombigbee.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Trafford; river miles along the main stem, rounded.
Trafford has a humid subtropical climate. Summer afternoons average 91° in July; winter nights fall to about 35° in January. About 57 inches of rain fall in a normal year, with about 1 inch of snow.
On November 14 Trafford normally reaches 65° and falls to 43°. The record high is 82°, in 1955; the record low 23°, in 2014. The most rain on this date, 4.43 in, fell in 1929.
Normals 1991–2020 and records since 1895 from the Birmingham Area threaded record (Birmingham Airport, 17 miles south). NOAA, through RCC-ACIS.
