The Lavinia 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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9° on Nov. 13, 2019, the coldest reading for this week of the year since 1883. Next is 10° in 2022.
Lavinia’s center stands about 560 ft above sea level. Within three miles the land runs from 420 ft to 600 ft, a difference of 180 ft: gently rolling country.
Under the town center the state geologic map shows Loess (silt), from the Quaternary, less than 2.6 million years old.
The section below crosses 4 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 60×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Silt. Age: Quaternary, less than 2.6 million years old. About 14 mi of the line.
Sand. Age: Tertiary, 2.6 to 66 million years old. About 8 mi of the line.
Clay. Age: Tertiary, 2.6 to 66 million years old. About 1 mi of the line.
Fine-detrital, coarse-detrital. Age: Quaternary, less than 2.6 million years old. About 0.7 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 Lavinia reaches the Gulf of America by way of Johns Creek, the Rutherford Fork Obion, the Obion and the Mississippi: about 950 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Lavinia; river miles along the main stem, rounded.
Lavinia has a humid subtropical climate. Summer afternoons average 90° in July; winter nights fall to about 28° in January. About 56 inches of rain fall in a normal year, with about 3 inches of snow.
On November 14 Lavinia normally reaches 62° and falls to 37°. The record high is 81°, in 1931; the record low 12°, in 2019. The most rain on this date, 1.90 in, fell in 1915.
Normals 1991–2020 and records since 1883 at Milan Experiment Station, 7 miles northwest, 130 ft lower. NOAA, through RCC-ACIS.
