The Woodlawn 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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87° on Nov. 13, 1955, the hottest reading for this week of the year since 1884. Next is 84° in 1941.
Woodlawn’s center stands about 280 ft above sea level. Within three miles the land runs from 200 ft to 310 ft, a difference of 110 ft: gently rolling country.
Under the town center the state geologic map shows Terrace deposits (coarse-detrital, fine-detrital), from the Pleistocene, less than 2.6 million years old.
The section below crosses 3 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.
Coarse-detrital, fine-detrital. Age: Pleistocene, less than 2.6 million years old. About 11 mi of the line.
Marl. Age: Late Eocene, 34 to 38 million years old. About 10 mi of the line.
Coarse-detrital, fine-detrital. Age: Holocene, less than 12,000 years old. About 3 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 Woodlawn reaches the Gulf of America by way of Hudgens Creek, the Saline, the Ouachita, the Black River, the Red River, the Atchafalaya and the Lower Atchafalaya: about 510 river miles.
190 miles of the trip are on the Ouachita.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Woodlawn; river miles along the main stem, rounded.
Woodlawn has a humid subtropical climate. Summer afternoons average 92° in July; winter nights fall to about 34° in January. About 51 inches of rain fall in a normal year.
On November 14 Woodlawn normally reaches 63° and falls to 42°. The record high is 87°, in 1955; the record low 19°, in 1907. The most rain on this date, 2.45 in, fell in 1922.
Normals 1991–2020 and records since 1884 from the Pine Bluff Area threaded record (Pine Bluff Grider Field, 16 miles north-northeast). NOAA, through RCC-ACIS.
