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To allow modeling conditions below mean sea level, the troposphere is actually extended to −2,000 feet (−610 m), where the temperature is 66.1 °F (18.9 °C), pressure is 15.79 pounds per square inch (108,900 Pa), and density is 0.08106 pounds per cubic foot (1.2985 kg/m 3).
A bomb cyclone pounding Northern California and ... Bombogenesis is said to occur when a storm's central barometric pressure drops at least 24 millibars in 24 hours. A millibar is a way of ...
The Santa Anas are katabatic winds (Greek for "flowing downhill") arising in higher altitudes and blowing down towards sea level. [7] The National Weather Service defines Santa Ana winds as "a weather condition [in southern California] in which strong, hot, dust-bearing winds descend to the Pacific Coast around Los Angeles from inland desert regions".
Within the Southern California Bight, a sub-region of the California Current has unique physical properties. Upwelling is fairly weak in the California Bight and Smith and Eppley (1982) stated that the 16-year average for primary production was 0.402 grams carbon/(meter-squared × day), or approximately 150 grams carbon/(meter-squared × year).
"This storm's central pressure crashed from 29.53 inches (1000 mb) to at least 27.82 inches (942 mb) in 24 hours, which is more than double the criteria for a bomb cyclone," AccuWeather Senior ...
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 ]
In the wake of the atmospheric rivers that have brought an onslaught of rain, wind and snow to California over the last few weeks, short-term drought conditions and reservoir levels have improved ...
SLP176 indicates the current barometric pressure extrapolated to sea level is 1,017.6 hPa (30.05 inHg). P0002 indicates that 0.02 inches (0.5 mm) of liquid-equivalent precipitation accumulated during the last hour. T10171017 is a breakdown of the temperature and dew point in eight digits separated into two groups of four. The first four digits ...