The Broome 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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74° on Nov. 13, 2012, the hottest reading for this week of the year since 1985. Next is 72° in 2002.
Broome’s center stands about 1,230 ft above sea level. Within three miles the land runs from 1,090 ft to 2,140 ft, a difference of 1,050 ft: steep hill country. The highest named summit within 15 miles is Huntersfield Mountain, about 3,430 ft, 11 miles south-southwest.
Under the town center the state geologic map shows Panther Mountain Formation (shale, siltstone, sandstone), from the Middle Devonian, 384 to 394 million 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 9×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Shale, siltstone, sandstone. Age: Middle Devonian, 384 to 394 million years old. About 7 mi of the line.
Black-shale. Age: Middle Devonian, 388 to 394 million years old. About 7 mi of the line.
Shale. Age: Middle Devonian to Late Devonian, 359 to 394 million years old. About 4 mi of the line.
Sandstone, shale. Age: Middle Devonian, 384 to 388 million years old. About 4 mi of the line.
Sandstone, shale. Age: Middle Devonian, 384 to 394 million years old. About 2 mi of the line.
Shale, sandstone. Age: Middle Devonian, 384 to 394 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 Broome reaches New York Harbor and the Atlantic Ocean by way of Catskill Creek and the Hudson: about 150 river miles.
110 miles of the trip are on the Hudson.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Broome; river miles along the main stem, rounded.
Broome has a warm-summer humid continental climate. Summer afternoons average 81° in July; winter nights fall to about 11° in January. About 45 inches of rain fall in a normal year.
On November 14 Broome normally reaches 50° and falls to 28°. The record high is 65°, in 2011; the record low 8°, in 2019. The most rain on this date, 0.90 in, fell in 1997.
Normals 1991–2020 and records since 1985 at Lansing Manor, 10 miles west-southwest, 120 ft lower. NOAA, through RCC-ACIS.
