The Tocsin 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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3.25 inches of rain fell in two days, the most for this week of the year since records began in 1897. The next wettest, 2.79 inches, fell in 1992.
Tocsin’s center stands about 830 ft above sea level. Within three miles the land runs from 820 ft to 880 ft, a difference of 60 ft: gently rolling country.
Under the town center the state geologic map shows Wabash Formation (limestone, dolostone), from the Silurian, 422 to 445 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 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.
Limestone, dolostone. Age: Silurian, 422 to 445 million years old. About 22 mi of the line.
Limestone, dolostone. Age: Devonian, 359 to 422 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 Tocsin reaches the Gulf of America by way of Eightmile Creek, the Little River, the Wabash, Big Bayou, the Wabash River Old Channel, the Old Channel Wabash, the Ohio and the Mississippi: about 1,530 river miles.
970 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Tocsin; river miles along the main stem, rounded.
Tocsin 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 34 inches of snow; with the rain, that comes to about 40 inches of water.
On November 14 Tocsin normally reaches 50° and falls to 33°. The record high is 75°, in 1902; the record low 11°, in 1996. The most rain on this date, 1.43 in, fell in 1993.
Normals 1991–2020 and records since 1897 from the Fort Wayne Area threaded record (Fort Wayne International Airport, 11 miles north-northwest). NOAA, through RCC-ACIS.
