The Maple Ridge 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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3.01 inches of rain fell in two days, the most for this week of the year since records began in 1887. The next wettest, 2.14 inches, fell in 2011.
Maple Ridge’s center stands about 1,110 ft above sea level. Within three miles the land runs from 1,050 ft to 1,200 ft, a difference of 150 ft: gently rolling country. The highest named summit within 15 miles is Blackburn Hill, about 1,300 ft, 9 miles east.
Under the town center the state geologic map shows Allegheny and Pottsville Groups, Undivided (shale, siltstone), from the Carboniferous, 299 to 324 million years old.
The section below crosses 2 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 51×. 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, siltstone. Age: Carboniferous, 299 to 324 million years old. About 24 mi of the line.
Shale, siltstone, mudstone. Age: Carboniferous, 299 to 324 million years old. About 0.5 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 Maple Ridge reaches the Gulf of America by way of the Mahoning, the Beaver, the Ohio and the Mississippi: about 2,030 river miles.
Lake on the way: Berlin Lake.
970 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Maple Ridge; river miles along the main stem, rounded.
Maple Ridge has a hot-summer humid continental climate. Summer afternoons average 84° in July; winter nights fall to about 20° in January. A normal year brings about 47 inches of snow; with the rain, that comes to about 42 inches of water.
On November 14 Maple Ridge normally reaches 51° and falls to 35°. The record high is 73°, in 1909; the record low 11°, in 1986. The most rain on this date, 2.13 in, fell in 2011.
Normals 1991–2020 and records since 1887 from the Akron Area threaded record (Akron Canton Airport, 21 miles west, 100 ft higher). NOAA, through RCC-ACIS.
