The Mead 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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76° on Nov. 11, 2020, the hottest reading for this week of the year since 1893. Next is 74° in 1896.
Mead’s center stands about 1,980 ft above sea level. Within three miles the land runs from 1,220 ft to 2,160 ft, a difference of 940 ft: steep hill country. The highest named summit within 15 miles is Cherry Hill, about 2,260 ft, 14 miles east.
Under the town center the state geologic map shows Shenango Formation through Riceville Formation, undivided (sandstone, siltstone, shale), from the Devonian to Carboniferous, 324 to 422 million years old.
The section below crosses 6 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 20×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sandstone, siltstone, shale. Age: Devonian to Carboniferous, 324 to 422 million years old. About 7 mi of the line.
Siltstone, conglomerate. Age: Late Devonian, 359 to 384 million years old. About 6 mi of the line.
Sandstone, siltstone, shale. Age: Devonian to Carboniferous, 324 to 422 million years old. About 5 mi of the line.
Sandstone, conglomerate. Age: Carboniferous, 299 to 324 million years old. About 3 mi of the line.
Sandstone, shale. Age: Late Devonian, 359 to 384 million years old. About 2 mi of the line.
Siltstone, shale. Age: Late Devonian, 359 to 384 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 Mead reaches the Gulf of America by way of Browns Run, the Allegheny, the Ohio and the Mississippi: about 2,140 river miles.
970 miles of the trip are on the Ohio.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Mead; river miles along the main stem, rounded.
Mead has a warm-summer humid continental climate. Summer afternoons average 81° in July; winter nights fall to about 18° in January. A normal year brings about 72 inches of snow; with the rain, that comes to about 47 inches of water.
On November 14 Mead normally reaches 48° and falls to 32°. The record high is 69°, in 1989; the record low 6°, in 1920. The most rain on this date, 1.27 in, fell in 1972.
Normals 1991–2020 and records since 1893 at Warren, 7 miles west-northwest, 770 ft lower. NOAA, through RCC-ACIS.
