EAI WebApp v3.9.6
Weather/ NOTAMs & E6B Tools

- Runway Crosswinds -

Enter Runway Heading, Wind Direction in degrees (°) and Wind Speed in Kts into the form.
Colored warnings will be shown when winds exceed 15 or 20 kts and wind angles greater than 45 ° and 60 °.

Cross/Headwind Calculator
Runway Heading (e.g. 060)  °Mag
Wind Direction (e.g. 100)  °Mag
Wind Speed  Kts
Headwind  Kts
Crosswind ° @ Kts

Rule of thumb: with a 30 ° wind angle the crosswind is 50% of the wind speed; at 45 ° the crosswind is 70%; over 60 ° the crosswind is 100%.

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See the image below for a graphical representation of crosswind components.

crosswind chart

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