The Rocky 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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6° on Nov. 13, 2019, the coldest reading for this week of the year since 1939. Next is 15° in 1942.
Rocky Ridge’s center stands about 610 ft above sea level. Within three miles the land runs from 580 ft to 630 ft, a difference of 50 ft: nearly flat ground.
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 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.
Dolostone. Age: Silurian, 425 to 445 million years old. About 11 mi of the line.
Dolostone. Age: Silurian, 428 to 445 million years old. About 8 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 Rocky Ridge reaches Lake Erie by way of Toussaint Creek and the Toussaint: about 12 river miles. From there it moves on through the Great Lakes, over Niagara Falls and down the St. Lawrence to the Atlantic.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Rocky Ridge; river miles along the main stem, rounded.
Rocky Ridge has a hot-summer humid continental climate. Summer afternoons average 85° in July; winter nights fall to about 20° in January. About 32 inches of rain fall in a normal year.
On November 14 Rocky Ridge normally reaches 51° and falls to 34°. The record high is 68°, in 2011; the record low 15°, in 1942. The most rain on this date, 1.17 in, fell in 2011.
Normals 1991–2020 and records since 1939 at Toledo Executive Airport, 14 miles west. NOAA, through RCC-ACIS.
