AVIATION & AERONAUTIC CALCULATOR
Freezing Level Altitude
A precise tool.
What is the Freezing Level Altitude & How does it work?
The freezing level altitude is the altitude at which the temperature drops to 0Β°C (32Β°F). This altitude is crucial for aviation as it affects the formation of ice, which can be hazardous to aircraft.
The standard atmospheric temperature lapse rate is approximately 6.5Β°C per kilometer (or 3.57Β°F per 1000 feet) above sea level. This means that for every kilometer increase in altitude, the temperature decreases by about 6.5Β°C.
T = T_0 – theta times h
T = Temperature at altitude
T0 = Surface temperature in Β°C
theta = Lapse rate (6.5Β°C/km)
h = Altitude above sea level in km
T0 = Surface temperature in Β°C
theta = Lapse rate (6.5Β°C/km)
h = Altitude above sea level in km
Parameters
Result
β
Frequently Asked Questions
How do I calculate the freezing level altitude?
Use the formula T = T_0 – ΞΈ Γ h, where T is the temperature at altitude, T_0 is the surface temperature, ΞΈ is the temperature lapse rate (6.5Β°C per km), and h is the altitude.
What is the standard atmospheric temperature lapse rate?
The standard atmospheric temperature lapse rate is approximately 6.5Β°C per kilometer above sea level.
Why is the freezing level altitude important in aviation?
It’s crucial for aviation safety as it affects ice formation, which can be hazardous to aircraft.
Can you explain how temperature changes with altitude?
Temperature decreases by about 6.5Β°C for every kilometer increase in altitude above sea level.
What is the freezing level altitude used for?
It helps pilots avoid flying through areas where ice might form, which can be dangerous to aircraft.
How does this calculator help pilots?
It provides the altitude at which the temperature drops to 0Β°C, helping pilots plan safer flights by avoiding potential icing conditions.
What are the units used in this calculation?
The calculation uses Celsius for temperature and kilometers for altitude. The rate is given as 6.5Β°C per kilometer.
Results are for informational purposes only and do not constitute professional advice.