The Concepcion 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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Chance of showers
Chance of showers; cooler
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Mostly cloudy; warmer
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4.64 inches of rain fell in two days, the most for this week of the year since records began in 1962. The next wettest, 3.04 inches, fell in 1995.
Concepcion’s center stands about 300 ft above sea level. Within three miles the land runs from 270 ft to 350 ft, a difference of 80 ft: gently rolling country.
The section below crosses 3 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.
Sand. Age: Holocene, less than 12,000 years old. About 13 mi of the line.
Clay, sandstone. Age: Miocene, 5.3 to 23 million years old. About 8 mi of the line.
Sand, silt. Age: Holocene, less than 12,000 years old. About 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 Concepcion reaches the Gulf of America by way of Macho Creek and Los Olmos Creek: about 65 river miles.
Often dry. About 60% of the way is mapped as streams that run only after rain or snowmelt; the water makes the whole trip in floods.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Concepcion; river miles along the main stem, rounded.
Concepcion has a hot desert climate. Summer afternoons average 98° in August; winter nights fall to about 43° in January. Barely 0.0 inches of rain fall in a normal year.
On November 14 Concepcion normally reaches 77° and falls to 52°. The record high is 91°, in 2005; the record low 25°, in 2018. The most rain on this date, 1.58 in, fell in 1998.
Normals 1991–2020 and records since 1962 at Benavides #2, 14 miles north-northwest. NOAA, through RCC-ACIS.
