The Amelia Court House 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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84° on Nov. 16, 1993, the hottest reading for this week of the year since 1970. Next is 82° in 1985.
Amelia Court House’s center stands about 380 ft above sea level. Within three miles the land runs from 260 ft to 420 ft, a difference of 160 ft: gently rolling country.
Under the town center the state geologic map shows Porphyroblastic Garnet-Biotite Gneiss (biotite-gneiss), from the Mesoproterozoic, 1 to 1.6 billion 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 61×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Biotite-gneiss. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 20 mi of the line.
Granodiorite, monzonite. Age: Proterozoic, 542 to 2,500 million years old. About 2 mi of the line.
Paragneiss. Age: Proterozoic, 542 to 2,500 million years old. About 1 mi of the line.
Gneiss. Age: Mesoproterozoic to Carboniferous, 299 to 1,600 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 Amelia Court House reaches Chesapeake Bay and the Atlantic Ocean by way of Courthouse Branch, Nibbs Creek, Flat Creek, the Appomattox and the James: about 140 river miles.
Lake on the way: Lake Chesdin.
75 miles of the trip are on the James.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Amelia Court House; river miles along the main stem, rounded.
Amelia Court House has a humid subtropical climate. Summer afternoons average 89° in July; winter nights fall to about 28° in January. A normal year brings about 8 inches of snow; with the rain, that comes to about 45 inches of water.
On November 14 Amelia Court House normally reaches 61° and falls to 38°. The record high is 77°, in 1985; the record low 15°, in 1986. The most rain on this date, 0.58 in, fell in 1997.
Normals 1991–2020 and records since 1970 at Amelia Courthouse, here. NOAA, through RCC-ACIS.
