The Mountain View 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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92° on Nov. 17, 2017, the hottest reading for this week of the year since 1910. Next is 86° in 2021.
Mountain View’s center stands about 1,350 ft above sea level. Within three miles the land runs from 1,310 ft to 1,420 ft, a difference of 110 ft: gently rolling country. The highest named summit within 15 miles is Longhorn Mountain, about 1,930 ft, 12 miles south.
Under the town center the state geologic map shows Alluvium (fine-detrital), from the Holocene, less than 12,000 years old.
The section below crosses 6 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 33×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Fine-detrital. Age: Holocene, less than 12,000 years old. About 8 mi of the line.
Shale. Age: Permian, 252 to 299 million years old. About 8 mi of the line.
Sandstone. Age: Permian, 252 to 299 million years old. About 4 mi of the line.
Shale, siltstone, sandstone. Age: Permian, 252 to 299 million years old. About 4 mi of the line.
Coarse-detrital, fine-detrital. Age: Pleistocene, less than 2.6 million years old. About 0.4 mi of the line.
Limestone, dolostone, sandstone. Age: Early Ordovician, 471 to 487 million years old. About 0.3 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 Mountain View reaches the Gulf of America by way of the Washita, the Red River, the Atchafalaya and the Lower Atchafalaya: about 1,170 river miles.
680 miles of the trip are on the Red River.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Mountain View; river miles along the main stem, rounded.
Mountain View has a humid subtropical climate. Summer afternoons average 97° in July; winter nights fall to about 28° in January. About 28 inches of rain fall in a normal year.
On November 14 Mountain View normally reaches 62° and falls to 39°. The record high is 84°, in 2020; the record low 14°, in 1916. The most rain on this date, 1.47 in, fell in 1924.
Normals 1991–2020 and records since 1910 at Hobart Municipal Airport, 19 miles west-southwest, 200 ft higher. NOAA, through RCC-ACIS.
