Sea-level Pressure (Noun)
Meaning
The atmospheric pressure reduced by a formula to the pressure at sea level.
Classification
Nouns denoting natural phenomena.
Examples
- The weather station on the mountain used an algorithm to calculate the sea-level pressure from its own readings.
- Every barometer on the planes used sea-level pressure as the base of its measurements.
- Barometers measure changes in the sea-level pressure to help predict weather patterns and storms.
- Aviation professionals especially rely on sea-level pressure measurements during flights for navigation.
- For calculating altimeters in aircraft, the pilot must set the sea-level pressure in that region before a precise altitude reading can occur.