The forecast for Grand Valley/Martin Field in East Garafraxa shows the likely direction aircraft land from and take off towards. Actual runway use can differ because of air traffic control, traffic, weather and local procedures.
What the forecast means and how it is calculated.
Runway direction describes which runway direction an airport is likely to use. At Grand Valley/Martin Field, this means aircraft land from a certain compass direction and take off towards the matching runway direction.
The calculation compares current wind direction with known runway headings. The runway with as much headwind and as little crosswind as possible is preferred.
Grand Valley/Martin Field is located near East Garafraxa in Canada. The airport has 2 runways, the longest is about 671 m. Field elevation is about 472 m.
The actual decision is made by air traffic control. Closed runways, traffic, storm cells, noise abatement procedures or operational rules can make real runway use differ from the forecast.