The Elk City 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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88° on Nov. 16, 1963, the hottest reading for this week of the year since 1893. Next is 86° in 1989.
Elk City’s center stands about 840 ft above sea level. Within three miles the land runs from 810 ft to 970 ft, a difference of 160 ft: gently rolling country. The highest named summit within 15 miles is Berry Hill, about 1,040 ft, 11 miles south.
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.
Sand, silt, clay. Age: Pleistocene to Holocene, less than 2.6 million years old. About 7 mi of the line.
Limestone, shale. Age: Carboniferous, 299 to 324 million years old. About 4 mi of the line.
Shale, limestone. Age: Carboniferous, 299 to 324 million years old. About 4 mi of the line.
Shale, sandstone. Age: Carboniferous, 299 to 324 million years old. About 4 mi of the line.
Limestone, shale. Age: Carboniferous, 299 to 324 million years old. About 3 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 Elk City reaches the Gulf of America by way of the Elk River, the Verdigris, the Arkansas and the Mississippi: about 1,200 river miles.
Lakes on the way: Oologah Lake, Murray Lake, Ozark Lake and Elk City Lake.
600 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Elk City; river miles along the main stem, rounded.
Elk City has a humid subtropical climate. Summer afternoons average 91° in July; winter nights fall to about 23° in January. A normal year brings about 7 inches of snow; with the rain, that comes to about 45 inches of water.
On November 14 Elk City normally reaches 59° and falls to 36°. The record high is 83°, in 1999; the record low 11°, in 1916. The most rain on this date, 1.94 in, fell in 1985.
Normals 1991–2020 and records since 1893 at Independence, 12 miles east-southeast. NOAA, through RCC-ACIS.
