How_mutch_will_Hpa_drop_with_altitude
This is why AGW doesn't work. Relative humidity in atmosphere has been dropping since the 1940's.
as a reference
700 mb=10,000 ft
600 mb=13,000 ft
500 mb=18,000 ft
600 mb=23,000 ft
700 mb=30,000 ft
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On average, atmospheric pressure decreases by about 1 hectopascal (hPa) for every 8 meters increase in altitude.
The normal atmospheric pressure in India typically ranges from 980 hPa to 1010 hPa, with an average of around 1000 hPa. This can vary depending on the region, altitude, and weather conditions.
On average, the barometric pressure at 6000 ft altitude is around 0.73 atm or 73 kPa. This is lower than the pressure at sea level due to the decrease in atmospheric density with increasing altitude.
The Transition Altitude (TA) in France is generally 3000 FT AGL (above ground level). But most controlled airspace (TMA) uses another TA (4000, 5000 or 6000). The TA is printed on the official maps. Or you cold listen to ATIS. Or just ask a controller when unsure ...
1025.79 hPa stands for 1025.79 hectopascals, which is a unit used to measure atmospheric pressure. It indicates the pressure exerted by the weight of the air above a specific point on Earth's surface. Typically, higher pressure values like this are associated with stable and fair weather conditions.
The temperature typically rises in the stratosphere because of the absorption of ultraviolet solar radiation by ozone molecules. This absorption leads to the heating of the stratosphere, creating a temperature inversion where it gets warmer with altitude.