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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 ]
Today's top weather news for Wednesday, Dec. 11, 2024: Millions of people along the East Coast are bracing for severe weather, strong winds and heavy rain that will slow travel along the I-95 ...
Hurricane Alicia was a small but powerful tropical cyclone that caused significant destruction in the Greater Houston area of Southeast Texas in August 1983. Although Alicia was a relatively small hurricane, its track over the rapidly growing metropolitan area contributed to its $3 billion damage toll, making it the costliest Atlantic hurricane at the time.
The most intense storm in terms of both barometric pressure and maximum sustained winds was Hurricane Carla in 1961, which also caused the most fatalities, with 46 deaths. [nb 1] The first storm to impact the state during the period was Tropical Storm How in October 1950, with the latest being Tropical Depression Twenty in September 1979. [1]
The stations measure wind speed, direction, and gust; barometric pressure; and air temperature. In addition, all buoy and some C-MAN stations measure sea surface temperature, and wave height and period. [44] Conductivity and water current are measured at selected stations. All stations report on an hourly basis.
Inch of mercury (inHg and ″Hg) is a non-SI unit of measurement for pressure. It is used for barometric pressure in weather reports, refrigeration and aviation in the United States. It is the pressure exerted by a column of mercury 1 inch (25.4 mm) in height at the standard acceleration of gravity.
Pressure mounted Wednesday on Houston’s power utility as millions of residents still had no electricity nearly three days after Hurricane Beryl made landfall, stoking questions over how a city ...
The storm peaked with winds of 70 mph (110 km/h) and a barometric pressure of 986 mbar (hPa; 29.11 inHg). Several hours later, Delia made landfall near Freeport, Texas ; however, the storm began to execute a counterclockwise loop, causing it to move back over the Gulf of Mexico.