The Trumann 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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13° on Nov. 15, 1940, the coldest reading for this week of the year since 1893. Next is 15° in 1916.
Trumann’s center stands about 220 ft above sea level. Within three miles the land runs from 210 ft to 290 ft, a difference of 80 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 4 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 13 mi of the line.
Coarse-detrital, fine-detrital. Age: Holocene, less than 12,000 years old. About 10 mi of the line.
Sand, gravel. Age: Pleistocene, less than 2.6 million years old. About 0.5 mi of the line.
Sand, clay. Age: Middle Eocene, 38 to 48 million years old. About 0.4 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 Trumann reaches the Gulf of America by way of the Saint Francis and the Mississippi: about 810 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Trumann; river miles along the main stem, rounded.
Trumann has a humid subtropical climate. Summer afternoons average 91° in July; winter nights fall to about 30° in January. About 48 inches of rain fall in a normal year.
On November 14 Trumann normally reaches 60° and falls to 40°. The record high is 81°, in 1964; the record low 15°, in 1986. The most rain on this date, 3.73 in, fell in 1957.
Normals 1991–2020 and records since 1893 from the Jonesboro Area threaded record (Jonesboro Municipal Airport, 14 miles northwest). NOAA, through RCC-ACIS.
