The Morrow 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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4.52 inches of rain fell in two days, the most for this week of the year since records began in 1949. The next wettest, 3.91 inches, fell in 1993.
Morrow’s center stands about 1,110 ft above sea level. Within three miles the land runs from 1,040 ft to 1,780 ft, a difference of 740 ft: hilly country. The highest named summit within 15 miles is Liberty Hill, about 1,940 ft, 8 miles south.
Under the town center the state geologic map shows Pitkin Limestone, Fayetteville Shale (including the Wedington Sandstone member), and Batesville Sandstone (including the Hindsville Limestone Member) (sandstone, shale, limestone), from the Carboniferous, 324 to 359 million years old.
The section below crosses 8 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 18×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sandstone, black-shale. Age: Carboniferous, 299 to 324 million years old. About 9 mi of the line.
Chert, limestone. Age: Carboniferous, 324 to 359 million years old. About 5 mi of the line.
Limestone. Age: Carboniferous, 324 to 359 million years old. About 4 mi of the line.
Sandstone, shale, limestone. Age: Carboniferous, 324 to 359 million years old. About 3 mi of the line.
Shale, sandstone. Age: Carboniferous, 299 to 324 million years old. About 2 mi of the line.
Fine-detrital. Age: Holocene, less than 12,000 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. 2 smaller units along the line are not listed.
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 Morrow reaches the Gulf of America by way of Fly Creek, the Baron Fork, the Illinois, the Arkansas and the Mississippi: about 1,050 river miles.
Lakes on the way: Murray Lake, Tenkiller Ferry Lake and Ozark Lake.
600 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Morrow; river miles along the main stem, rounded.
Morrow has a humid subtropical climate. Summer afternoons average 89° in July; winter nights fall to about 25° in January. A normal year brings about 6 inches of snow; with the rain, that comes to about 47 inches of water.
On November 14 Morrow normally reaches 60° and falls to 36°. The record high is 78°, in 1999; the record low 14°, in 2014. The most rain on this date, 1.99 in, fell in 1958.
Normals 1991–2020 and records since 1949 at Fayetteville Drake Field, 18 miles northeast, 130 ft higher. NOAA, through RCC-ACIS.
