The Roseburg North 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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26° on Nov. 14, 2018, the coldest reading for this week of the year since 1950. Next is 27° in 1993.
Roseburg North’s center stands about 600 ft above sea level. Within three miles the land runs from 410 ft to 1,560 ft, a difference of 1,150 ft: steep hill country. The highest named summit within 15 miles is Lane Mountain, about 3,450 ft, 13 miles east-southeast.
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 8×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Basalt. Age: Paleocene to Middle Eocene, 38 to 66 million years old. About 8 mi of the line.
Sandstone. Age: Paleocene to Early Eocene, 48 to 66 million years old. About 6 mi of the line.
Siltstone, sandstone, mudstone. Age: Early Eocene, 48 to 56 million years old. About 5 mi of the line.
Sandstone. Age: Middle Eocene, 38 to 48 million years old. About 3 mi of the line.
Sand, gravel, silt. Age: Holocene, less than 12,000 years old. About 2 mi of the line.
Sandstone. Age: Middle Eocene, 38 to 48 million years old. About 1 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 Roseburg North reaches the Pacific Ocean by way of Davis Creek, the North Umpqua and the Umpqua: about 120 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Roseburg North; river miles along the main stem, rounded.
Roseburg North has a warm-summer Mediterranean climate. Summer afternoons average 86° in July; winter nights fall to about 35° in January. About 36 inches of rain fall in a normal year.
On November 14 Roseburg North normally reaches 56° and falls to 39°. The record high is 75°, in 1999; the record low 26°, in 2018. The most rain on this date, 1.83 in, fell in 2024.
Normals 1991–2020 and records since 1950 at Winchester, here, 150 ft lower. NOAA, through RCC-ACIS.
