The Sharon 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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85° on Nov. 12, 1894, the hottest reading for this week of the year since 1893. Next is 85° in 2016.
Sharon’s center stands about 1,460 ft above sea level. Within three miles the land runs from 1,420 ft to 1,590 ft, a difference of 170 ft: gently rolling country. The highest named summit within 15 miles is Gypsum Hills, about 1,850 ft, 14 miles northwest.
Under the town center the state geologic map shows Alluvium (sand, silt, clay), from the Pleistocene to Holocene, 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 37×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Siltstone, sandstone, shale. Age: Permian, 252 to 299 million years old. About 11 mi of the line.
Sand, silt, clay. Age: Pleistocene, less than 2.6 million years old. About 7 mi of the line.
Sand, silt, clay. Age: Pleistocene to Holocene, less than 2.6 million years old. About 5 mi of the line.
Sand. Age: Pleistocene to Holocene, less than 2.6 million years old. About 2 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 Sharon reaches the Gulf of America by way of East Branch Little Sandy Creek, Little Sandy Creek, Sandy Creek, the Salt Fork Arkansas, the Arkansas and the Mississippi: about 1,350 river miles.
Lakes on the way: Great Salt Plains Reservoir, Murray Lake and Ozark 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 Sharon; river miles along the main stem, rounded.
Sharon has a humid subtropical climate. Summer afternoons average 94° in July; winter nights fall to about 21° in January. About 30 inches of rain fall in a normal year.
Normals 1991–2020 and records since 1893 at Kiowa, 17 miles south-southwest, 140 ft lower. NOAA, through RCC-ACIS.
