The Harmony 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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Partly cloudy; warmer
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4.39 inches of rain fell in two days, the most for this week of the year since records began in 1901. The next wettest, 3.50 inches, fell in 2009.
Harmony’s center stands about 980 ft above sea level. Within three miles the land runs from 760 ft to 1,020 ft, a difference of 260 ft: rolling country. The highest named summit within 15 miles is Wallace Mountain, about 1,900 ft, 15 miles northwest.
Under the town center the state geologic map shows Mica Schist (mica-schist), from the Neoproterozoic to Cambrian, 487 to 1,000 million years old.
The section below crosses 6 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 40×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Biotite-gneiss, mica-schist, calc-silicate-rock. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 11 mi of the line.
Mica-schist. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 6 mi of the line.
Metagabbro, metadiorite. Age: Neoproterozoic to Paleozoic, 252 to 1,000 million years old. About 4 mi of the line.
Metavolcanic. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 2 mi of the line.
Amphibolite, biotite-gneiss. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 0.7 mi of the line.
Metadunite. Age: Neoproterozoic to Paleozoic, 252 to 1,000 million years old. About 0.7 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 Harmony reaches the Atlantic Ocean by way of Dutchman Creek, the South Yadkin, the Yadkin, the Pee Dee, the Great Pee Dee, Schooner Creek and the Waccamaw: about 310 river miles.
Lake on the way: Lake Tillery.
150 miles of the trip are on the Great Pee Dee.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Harmony; river miles along the main stem, rounded.
Harmony has a humid subtropical climate. Summer afternoons average 87° in July; winter nights fall to about 26° in January. About 47 inches of rain fall in a normal year, with about 5 inches of snow.
On November 14 Harmony normally reaches 60° and falls to 34°. The record high is 81°, in 1999; the record low 17°, in 2013. The most rain on this date, 1.41 in, fell in 1972.
Normals 1991–2020 and records since 1901 at Statesville 2 NNE, 12 miles south-southwest, 180 ft lower. NOAA, through RCC-ACIS.
