The Sardis 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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5.82 inches of rain fell in two days, the most for this week of the year since records began in 1907. The next wettest, 5.63 inches, fell in 2011.
Sardis’s center stands about 370 ft above sea level. Within three miles the land runs from 280 ft to 450 ft, a difference of 170 ft: gently rolling country. The highest named summit within 15 miles is Alexander Mountain, about 600 ft, 6 miles north-northwest.
The section below crosses 5 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 59×. 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, fine-detrital. Age: Early Eocene, 48 to 56 million years old. About 7 mi of the line.
Sand, clay. Age: Middle Eocene, 38 to 48 million years old. About 7 mi of the line.
Coarse-detrital, fine-detrital. Age: Holocene, less than 12,000 years old. About 5 mi of the line.
Nepheline-syenite, intrusive-carbonatite, alkalic-volcanic. Age: Cretaceous, 66 to 145 million years old. About 2 mi of the line.
Coarse-detrital, fine-detrital. Age: Pleistocene, less than 2.6 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.
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 Sardis reaches the Gulf of America by way of Hurricane Creek, the Saline, the Ouachita, the Black River, the Red River, the Atchafalaya and the Lower Atchafalaya: about 580 river miles.
190 miles of the trip are on the Ouachita.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Sardis; river miles along the main stem, rounded.
Sardis has a humid subtropical climate. Summer afternoons average 93° in July; winter nights fall to about 30° in January. About 53 inches of rain fall in a normal year, with about 1 inch of snow.
On November 14 Sardis normally reaches 64° and falls to 41°. The record high is 80°, in 1964; the record low 14°, in 1940. The most rain on this date, 1.90 in, fell in 1959.
Normals 1991–2020 and records since 1907 at Benton, 11 miles west-northwest. NOAA, through RCC-ACIS.
