1. What is the Temperature at Altitude Equation?

The temperature at altitude equation estimates how temperature changes with elevation in the atmosphere. It's based on the standard atmospheric lapse rate, which describes how temperature decreases with increasing altitude.

2. How Does the Calculator Work?

The calculator uses the temperature at altitude equation:

Where:

• \( T \) — Temperature at altitude (°C)
• \( T_0 \) — Sea level temperature (°C)
• \( L \) — Lapse rate (°C/m, typically 0.0065)
• \( h \) — Altitude (meters)

Explanation: The equation shows that temperature decreases linearly with altitude at a rate determined by the lapse rate.

3. Importance of Temperature at Altitude Calculation

Details: Understanding temperature changes with altitude is crucial for aviation, meteorology, mountaineering, and environmental studies. It helps predict weather patterns and prepare for altitude-related temperature changes.

4. Using the Calculator

Tips: Enter sea level temperature in °C, lapse rate in °C/m (default is 0.0065), and altitude in meters. All values must be valid (altitude ≥ 0).

5. Frequently Asked Questions (FAQ)

Q1: What is a typical lapse rate value?
A: The standard atmospheric lapse rate is approximately 0.0065°C per meter (or 6.5°C per 1000 meters).

Q2: Does this equation work for all altitudes?
A: This linear approximation works well for lower altitudes (troposphere). Different lapse rates apply in other atmospheric layers.

Q3: Why does temperature decrease with altitude?
A: Temperature decreases because the atmosphere is primarily heated from the Earth's surface, and air expands and cools as it rises.

Q4: Are there situations where temperature increases with altitude?
A: Yes, this is called a temperature inversion and can occur due to various meteorological conditions.

Q5: How accurate is this calculation?
A: It provides a good estimate for standard conditions, but actual temperatures may vary due to weather patterns, humidity, and local conditions.