The Winfield 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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10° on Nov. 11, 2017, the coldest reading for this week of the year since 1996. Next is 15° in 2019.
Winfield’s center stands about 460 ft above sea level. Within three miles the land runs from 420 ft to 1,290 ft, a difference of 870 ft: hilly country. The highest named summit within 15 miles is Buffalo Mountain, about 2,090 ft, 13 miles west-northwest.
The section below crosses 10 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 19×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Black-shale. Age: Early Devonian to Middle Devonian, 384 to 422 million years old. About 7 mi of the line.
Siltstone, mudstone. Age: Late Devonian, 359 to 384 million years old. About 4 mi of the line.
Shale. Age: Silurian, 422 to 445 million years old. About 2 mi of the line.
Siltstone. 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.
Quartzite. Age: Silurian, 422 to 445 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. 4 smaller units along the line are not listed.
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 Winfield reaches Chesapeake Bay and the Atlantic Ocean by way of the West Branch Susquehanna and the Susquehanna: about 130 river miles.
Lake on the way: Lake Aldred.
85 miles of the trip are on the Susquehanna.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Winfield; river miles along the main stem, rounded.
Winfield has a hot-summer humid continental climate. Summer afternoons average 84° in July; winter nights fall to about 19° in January. A normal year brings about 29 inches of snow; with the rain, that comes to about 44 inches of water.
Normals 1991–2020 and records since 1996 at Lewisburg, 3 miles north-northwest. NOAA, through RCC-ACIS.
