The Ragsdale 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° on Nov. 13, 2019, the coldest reading for this week of the year since 1982. Next is 11° in 1986.
Ragsdale’s center stands about 580 ft above sea level. Within three miles the land runs from 440 ft to 600 ft, a difference of 160 ft: gently rolling country.
Under the town center the state geologic map shows Patoka and Shelburn Formations (shale, sandstone), from the Carboniferous, 299 to 324 million years old.
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 64×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Shale, sandstone. Age: Carboniferous, 299 to 324 million years old. About 12 mi of the line.
Shale, sandstone. Age: Carboniferous, 299 to 324 million years old. About 10 mi of the line.
Shale, sandstone. Age: Carboniferous, 299 to 324 million years old. About 2 mi of the line.
Shale, limestone. Age: Late Pennsylvanian, 304 to 307 million years old. About 0.6 mi of the line.
Shale, sandstone. Age: Carboniferous, 299 to 324 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.
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 Ragsdale reaches the Gulf of America by way of Indian Creek, the White River, Big Bayou, the Wabash River Old Channel, the Old Channel Wabash, the Ohio and the Mississippi: about 1,260 river miles.
970 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Ragsdale; river miles along the main stem, rounded.
Ragsdale has a hot-summer humid continental climate. Summer afternoons average 89° in July; winter nights fall to about 22° in January. A normal year brings about 8 inches of snow; with the rain, that comes to about 47 inches of water.
On November 14 Ragsdale normally reaches 56° and falls to 35°. The record high is 77°, in 1999; the record low 9°, in 2019. The most rain on this date, 2.94 in, fell in 1993.
Normals 1991–2020 and records since 1982 at Vincennes 5 NE, 9 miles west, 130 ft lower. NOAA, through RCC-ACIS.
