The El Portal 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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8.38 inches of rain fell in two days, the most for this week of the year since records began in 1895. The next wettest, 8.01 inches, fell in 1992.
El Portal’s center stands about 18 ft above sea level. Within three miles the land runs from 0 ft to 20 ft, a difference of 20 ft: nearly flat ground. Open water lies within three miles.
Under the town center the state geologic map shows Miami Limestone (limestone, sandstone), from the Pleistocene, less than 2.6 million years old.
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.
Limestone, sandstone. Age: Pleistocene, less than 2.6 million years old. About 15 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 El Portal reaches Biscayne Bay and the Atlantic Ocean by way of the Little River: about 3 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of El Portal; river miles along the main stem, rounded.
El Portal has a tropical monsoon climate. Summer afternoons average 91° in July; winter nights fall to about 61° in January. About 67 inches of rain fall in a normal year.
On November 14 El Portal normally reaches 81° and falls to 68°. The record high is 88°, in 1941; the record low 42°, in 1906. The most rain on this date, 3.37 in, fell in 2015.
Normals 1991–2020 and records since 1895 from the Miami Area threaded record (Miami International Airport, 9 miles west-southwest). NOAA, through RCC-ACIS.
