Weather

Learn to read METARs, understand density altitude and build the weather skills every pilot needs.

How to Read a METAR

Decode METARs precisely: true vs magnetic wind, variable winds, AO1/AO2, cloud heights AGL, what counts as a ceiling, missing data and remarks, with practice questions.

✓ Source-checked Oct 16, 2026 Weather

Density Altitude Explained (and Why It Matters at High-Elevation Airports)

What density altitude is, how heat, elevation and pressure affect airplane performance, and how to estimate it, with a free calculator.