Large International Airport • London, ENG, United Kingdom
Elevation: 83 ft (25 m) • 51.4706, -0.4619
London Heathrow Airport (EGLL / LHR) is a large international airport serving London, ENG, United Kingdom, situated at an elevation of 83 ft (25 m) above sea level. Local magnetic variation is 1.0° East. The airport has 4 runways, with the longest measuring 12,799 feet.
| Designator | Length | Width | Surface | Heading |
|---|---|---|---|---|
| 09L | 12,799 ft | 164 ft | Asphalt | 89° |
| 09R | 12,001 ft | 164 ft | Asphalt | 90° |
| 27L | 12,001 ft | 164 ft | Asphalt | 270° |
| 27R | 12,799 ft | 164 ft | Asphalt | 269° |
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