Airport • Unknown, WA, Australia
Elevation: 396 ft (121 m) • -31.5220, 118.3221
Merredin Airport (YMDN) is a airport serving Unknown, WA, Australia, situated at an elevation of 396 ft (121 m) above sea level. Local magnetic variation is 0.4° West. The airport has 4 runways, with the longest measuring 4,166 feet.
| Designator | Length | Width | Surface | Heading |
|---|---|---|---|---|
| 10 | 4,166 ft | — | XSA | — |
| 18 | 3,018 ft | — | XSA | — |
| 28 | 4,166 ft | — | XSA | — |
| 36 | 3,018 ft | — | XSA | — |
METAR (Meteorological Aerodrome Report) is the standard format for reporting current weather conditions at airports worldwide. Issued every 30–60 minutes, it includes wind direction and speed, visibility, sky condition and cloud heights, temperature, dewpoint, and altimeter setting. Special METARs (SPECI) are issued when conditions change significantly.
TAF (Terminal Aerodrome Forecast) provides a weather forecast for the area within 5 nautical miles of an airport, valid for 24–30 hours. Issued every 6 hours by national weather services, TAFs use FM (from), TEMPO (temporary), BECMG (becoming), and PROB (probability) groups to describe changing conditions.
Flight Categories: VFR ceiling >3,000 ft & vis >5 SM MVFR 1,000–3,000 ft or 3–5 SM IFR 500–1,000 ft or 1–3 SM LIFR <500 ft or <1 SM