The Glen Arbor 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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70° on Nov. 17, 2016, the hottest reading for this week of the year since 1959. Next is 67° in 1971.
Glen Arbor’s center stands about 610 ft above sea level. Within three miles the land runs from 570 ft to 1,070 ft, a difference of 500 ft: hilly country. The highest named summit within 15 miles is Warner Hill, about 1,160 ft, 11 miles south-southeast.
Under the town center the state geologic map shows Traverse Group (limestone), from the Middle Devonian, 384 to 394 million years old.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 34×. 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. Age: Middle Devonian, 384 to 394 million years old. About 13 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.
Rain that falls on Glen Arbor runs straight into Lake Michigan. 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 Glen Arbor; river miles along the main stem, rounded.
Glen Arbor has a warm-summer humid continental climate. Summer afternoons average 80° in July; winter nights fall to about 16° in January. A normal year brings about 143 inches of snow; with the rain, that comes to about 36 inches of water.
On November 14 Glen Arbor normally reaches 45° and falls to 31°. The record high is 62°, in 2009; the record low 15°, in 1986. The most rain on this date, 0.88 in, fell in 1969.
Normals 1991–2020 and records since 1959 at Maple City 1 E, 8 miles east-southeast, 190 ft higher. NOAA, through RCC-ACIS.
