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Toronto pressure fell to 28.40 inches, breaking its record by 0.17. The 956.0 mb (28.23 inHg) barometric pressure measurement recorded in Mount Clemens, Michigan, was the third-lowest non-tropical atmospheric pressure recorded in the mainland United States [6] and the lowest in the Central United States. [2]
The lowest confirmed barometric pressure reading, 955.0 mb (28.20 inHg), for a non-tropical system in the continental United States (CONUS) was recorded during this storm at Canton, New York. [ 2 ] [ 3 ] This broke the record low of this type set by the January 1886 Blizzard .
Atmospheric pressure, also known as air pressure or barometric pressure (after the barometer), is the pressure within the atmosphere of Earth. The standard atmosphere (symbol: atm) is a unit of pressure defined as 101,325 Pa (1,013.25 hPa ), which is equivalent to 1,013.25 millibars , [ 1 ] 760 mm Hg , 29.9212 inches Hg , or 14.696 psi . [ 2 ]
The 1935 Labor Day hurricane was an extremely powerful and devastating Atlantic hurricane that struck the southeastern United States in early September 1935. For several decades, it was the most intense Atlantic hurricane on record in terms of barometric pressure until being surpassed by Hurricane Gilbert in 1988; [1] the strongest Atlantic hurricane on record in terms of 1-minute sustained ...
Comparison of the 1962 US Standard Atmosphere graph of geometric altitude against air density, pressure, the speed of sound and temperature with approximate altitudes of various objects. [ 1 ] The U.S. Standard Atmosphere is a static atmospheric model of how the pressure , temperature , density , and viscosity of the Earth's atmosphere change ...
An estimated 500,000 people fled the coasts of Texas and Louisiana, making it the largest evacuation in the history of the United States, at the time. [12] Further, at least half of those people were from Texas. In small towns along the coast of Texas, 90–100% of their populations evacuated, while 20% of people left the larger cities.
In comparison, the costliest United States hurricanes – Hurricane Katrina in 2005 and Hurricane Harvey in 2017 – both caused about US$125 billion in damage. [47] The hurricane occurred before the practice of assigning official code names to tropical storms was instituted, and thus it is commonly referred to under a variety of descriptive names.
On November 4, the system attained its peak intensity with maximum sustained winds of 45 mph (75 km/h) and a minimum barometric pressure of 1,001 mbar (29.6 inHg), the latter being observed by a ship. [2] The storm curved southeastward late on November 4 and then southwestward about 24 hours later.