The Las Palmas II 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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Mostly sunny; warmer
Chance of showers; cooler
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3.38 inches of rain fell in two days, the most for this week of the year since records began in 1911. The next wettest, 2.71 inches, fell in 1967.
Las Palmas II’s center stands about 40 ft above sea level. Within three miles the land runs from 30 ft to 60 ft, a difference of 30 ft: nearly flat ground.
Under the town center the state geologic map shows Barrier ridge and barrier flat deposts (sand), 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 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 7 mi of the line.
Silt, sand. Age: Holocene, less than 12,000 years old. About 5 mi of the line.
Silt, clay. Age: Holocene, less than 12,000 years old. About 4 mi of the line.
Fine-detrital, sand. Age: Pleistocene to Holocene, less than 2.6 million years old. About 3 mi of the line.
Sand. Age: Holocene, less than 12,000 years old. About 3 mi of the line.
Sand. Age: Pleistocene, less than 2.6 million 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.
Las Palmas II has a humid subtropical climate. Summer afternoons average 98° in August; winter nights fall to about 51° in January. About 28 inches of rain fall in a normal year.
On November 14 Las Palmas II normally reaches 80° and falls to 59°. The record high is 92°, in 1921; the record low 36°, in 2018. The most rain on this date, 1.73 in, fell in 1950.
Normals 1991–2020 and records since 1911 at Harlingen, 4 miles east. NOAA, through RCC-ACIS.
