The Centralhatchee 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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4.84 inches of rain fell in two days, the most for this week of the year since records began in 1904. The next wettest, 4.00 inches, fell in 2009.
Centralhatchee’s center stands about 850 ft above sea level. Within three miles the land runs from 670 ft to 1,070 ft, a difference of 400 ft: rolling country. The highest named summit within 15 miles is Blackjack Mountain, about 1,580 ft, 10 miles west-northwest.
The section below crosses 10 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 24×. 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. Age: Precambrian to Paleozoic. About 7 mi of the line.
Mica-schist, gneiss. Age: Precambrian to Paleozoic. About 6 mi of the line.
Schist. Age: Precambrian to Paleozoic. About 3 mi of the line.
Amphibolite, biotite-gneiss, mica-schist. Age: Precambrian to Paleozoic. About 3 mi of the line.
Mica-schist, phyllite. Age: Precambrian to Paleozoic. About 2 mi of the line.
Calc-silicate-gneiss. Age: Precambrian to Paleozoic. About 1 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 4 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 Centralhatchee reaches the Gulf of America by way of Centralhatchee Creek, the Chattahoochee and the Apalachicola: about 350 river miles.
Lakes on the way: Walter F George Reservoir, West Point Lake and Bartletts Ferry Lake.
110 miles of the trip are on the Apalachicola.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Centralhatchee; river miles along the main stem, rounded.
Centralhatchee has a humid subtropical climate. Summer afternoons average 90° in July; winter nights fall to about 32° in January. About 54 inches of rain fall in a normal year.
On November 14 Centralhatchee normally reaches 64° and falls to 39°. The record high is 80°, in 1955; the record low 20°, in 2019. The most rain on this date, 1.71 in, fell in 1972.
Normals 1991–2020 and records since 1904 at Carrollton, 16 miles north, 140 ft higher. NOAA, through RCC-ACIS.
