The Brownsville 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.
Mostly sunny
Partly cloudy; warmer
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5.16 inches of rain fell in two days, the most for this week of the year since records began in 1895. The next wettest, 4.26 inches, fell in 1906.
Brownsville’s center stands about 350 ft above sea level. Within three miles the land runs from 320 ft to 430 ft, a difference of 110 ft: gently rolling country.
Under the town center the state geologic map shows Loess (silt), from the Quaternary, less than 2.6 million years old.
The section below crosses 2 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.
Silt. Age: Quaternary, less than 2.6 million years old. About 19 mi of the line.
Fine-detrital, coarse-detrital. Age: Quaternary, less than 2.6 million years old. About 5 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 Brownsville reaches the Gulf of America by way of Sugar Creek, Cypress Creek and the Mississippi: about 870 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Brownsville; river miles along the main stem, rounded.
Brownsville has a humid subtropical climate. Summer afternoons average 91° in July; winter nights fall to about 30° in January. About 56 inches of rain fall in a normal year, with about 2 inches of snow.
On November 14 Brownsville normally reaches 62° and falls to 40°. The record high is 81°, in 1985; the record low 17°, in 1940. The most rain on this date, 2.56 in, fell in 1915.
Normals 1991–2020 and records since 1895 at Brownsville, here. NOAA, through RCC-ACIS.
