Why Do Surface Winds Cross the Isobars at an Angle

question 74

Multiple Choice

Why do surface winds cross the isobars at an angle toward lower pressure (instead of blowing parallel to the isobars) ?

• A) Friction reduces the speed so Coriolis is weakened.
• B) It results from divergence in the surface wind.
• C) Pressure gradient becomes stronger near the surface.
• D) Convergence of upper level winds causes this.
• E) Coriolis strengthens by combining with friction.

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