The Longview Heights 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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3.49 inches of rain fell in two days, the most for this week of the year since records began in 1925. The next wettest, 3.36 inches, fell in 2021.
Longview Heights’s center stands about 890 ft above sea level. Within three miles the land runs from 0 ft to 930 ft, a difference of 930 ft: steep hill country. The highest named summit within 15 miles is Abernathy Mountain, about 2,630 ft, 13 miles north-northwest.
Under the town center the state geologic map shows Upper upper Eocene nonmarine and marine rocks (sandstone), from the Early Eocene to Middle Eocene, 38 to 56 million years old.
The section below crosses 5 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 11×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sandstone. Age: Early Eocene to Middle Eocene, 38 to 56 million years old. About 8 mi of the line.
Basalt, basaltic-andesite. Age: Late Eocene to Oligocene, 23 to 38 million years old. About 7 mi of the line.
Basalt. Age: Late Oligocene to Early Pliocene, 3.6 to 28 million years old. About 5 mi of the line.
Conglomerate. Age: Pliocene, 2.6 to 5.3 million years old. About 2 mi of the line.
Silt, sand. Age: Holocene, less than 12,000 years old. About 2 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 Longview Heights reaches the Pacific Ocean by way of Coal Creek Slough and the Columbia: about 65 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Longview Heights; river miles along the main stem, rounded.
Longview Heights has a warm-summer Mediterranean climate. Summer afternoons average 80° in August; winter nights fall to about 35° in January. About 48 inches of rain fall in a normal year.
On November 14 Longview Heights normally reaches 53° and falls to 39°. The record high is 68°, in 1999; the record low 12°, in 1955. The most rain on this date, 1.65 in, fell in 2001.
Normals 1991–2020 and records since 1925 at Longview, 3 miles south-southwest, 880 ft lower. NOAA, through RCC-ACIS.
