Niagara Falls (actually the collective name for a set of three waterfalls along the Niagara River that forms the border between New York and Ontario: the American Falls, the Bridal Veil Falls, and the Canadian/Horseshoe Falls) is the celebrated natural phenomenon that has awed generations of honeymooners. Although it may seem astounding to contemplate, the tremendous volume of rushing water (hundreds of thousands of gallons per second) that is Niagara Falls does “freeze” from time to time, although very rarely “completely” as suggested in the text accompanying the following image — despite the abundance of ice visible in the image, water can still be seen flowing over the falls in s
everal distinct streams:
As noted in the Washington Post, the sight of a “frozen” Niagara falls is not so unusual a phenomenon:
Niagara Falls gets cold every year. The average temperature in Niagara Falls in January is between 16 and 32 degrees. Naturally, it being that cold, ice floes and giant icicles form on the falls, and in the Niagara River above and below the falls, every year. The ice at the base of the falls, called the ice bridge, sometimes gets so thick that people used to build concession stands and walk to Canada on it. It’s nothing out of the ordinary. It is not, to put it bluntly, big polar vortex news.
During occasional periods of prolonged cold weather falling water and spray from Niagara Falls may freeze into ice formations, and ice mounds or floes may form in the Niagara River (sometimes creating ice bridges that stretch across the width of the river), but only once in recorded history has freezing weather actually stopped water from flowing over the falls. This instance occurred in March 1848 when a preponderance of ice above the falls reduced the flow of water over the falls to a trickle, as reported in the Buffalo Express newspaper:
The Falls of Niagara can be compared to nothing but a mere mill dam this morning. In the memory of the oldest inhabitants, never was there so little water running over Niagara’s awful precipice, as at this moment! Hundreds of people are now witnessing that which never has, and probably never may again be witnessed on the Niagara River.
Last night at 11 o’clock the factories fed from the waters of this majestic river were in full operation, and at 12 o’clock the water was shut off, the wheel suddenly ceased their revolutions, and everything was hushed into silence. Various are the conjectures as to the cause; the most reasonable of which is that Lake Erie must be making a grand delivery of ice, and this the mouth of the Niagara, although large, is not quite enough to take in the whole at once, and that the consequences are, back water.
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