Calculation for Calibration to Sea-Level Pressure
Calibrates to sea-level pressure based on the current location’s atmospheric pressure, temperature, and elevation.
| Sea-Level Pressure P0 | hPa |
| ＝ | atm |
| (1 atm = 1013.25 hPa) |
The atmospheric pressure values shown on weather charts are calibrated to an altitude of 0 meters.
This method cannot be applied at altitudes higher than the troposphere (approximately 11 km) because the rate of temperature decrease differs at those heights.
Calibration to sea-level pressure is calculated using the following altimetry formula.
This method cannot be applied at altitudes higher than the troposphere (approximately 11 km) because the rate of temperature decrease differs at those heights.
Calibration to sea-level pressure is calculated using the following altimetry formula.
| \(\normalsize P_0=P\left(1-{\large\frac{0.0065h}{T+0.0065h+273.15}}\right)^{-5.257}\) |
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