The Soso 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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4.57 inches of rain fell in two days, the most for this week of the year since records began in 1891. The next wettest, 4.33 inches, fell in 1961.
Soso’s center stands about 340 ft above sea level. Within three miles the land runs from 260 ft to 440 ft, a difference of 180 ft: gently rolling country.
Under the town center the state geologic map shows Catahoula formation (sand), from the Miocene, 5.3 to 23 million years old.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 62×. 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: Miocene, 5.3 to 23 million years old. About 24 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 Soso reaches the Gulf of America by way of Big Creek, the Leaf, the Pascagoula and the West Pascagoula: about 190 river miles.
100 miles of the trip are on the Leaf.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Soso; river miles along the main stem, rounded.
Soso has a humid subtropical climate. Summer afternoons average 93° in July; winter nights fall to about 34° in January. About 60 inches of rain fall in a normal year.
On November 14 Soso normally reaches 70° and falls to 42°. The record high is 85°, in 1955; the record low 23°, in 2013. The most rain on this date, 3.97 in, fell in 1957.
Normals 1991–2020 and records since 1891 at Laurel, 10 miles east-southeast, 120 ft lower. NOAA, through RCC-ACIS.
