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Standard Temperature Lapse Rate Calculator

Temperature at Altitude Formula:

\[ T = T_0 - (LR \times h) \]

°C
km
K/km

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1. What is a Standard Temperature Lapse Rate Calculator?

Definition: This calculator determines the expected temperature at a given altitude based on the standard atmospheric lapse rate.

Purpose: It helps meteorologists, pilots, and atmospheric scientists estimate temperature changes with altitude.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ T = T_0 - (LR \times h) \]

Where:

Explanation: The temperature decreases linearly with altitude according to the specified lapse rate.

3. Importance of Lapse Rate Calculation

Details: Understanding temperature changes with altitude is crucial for weather forecasting, aviation, and climate studies.

4. Using the Calculator

Tips: Enter the base temperature, altitude, and lapse rate (default 6.5 K/km). Altitude must be ≥ 0.

5. Frequently Asked Questions (FAQ)

Q1: What is the standard lapse rate?
A: The internationally accepted standard is 6.5 K/km in the troposphere.

Q2: When would the lapse rate differ from 6.5 K/km?
A: During temperature inversions or in different atmospheric layers, the rate may vary.

Q3: How accurate is this calculation?
A: It provides a theoretical estimate; actual conditions may vary due to local weather patterns.

Q4: Can this be used for very high altitudes?
A: The standard lapse rate applies to the troposphere (up to about 11 km); different rates apply above.

Q5: What's the relationship between lapse rate and stability?
A: Higher lapse rates indicate more unstable atmospheric conditions.

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