Question

If it is said that wind is blowing from \(360^{\circ}\), then what is its meaning?

• A. Wind is not blowing
• B. Wind is blowing from south direction
• C. Wind is blowing from true north direction
• D. Wind is blowing from magnetic south direction

Hint:

Remember the compass bearing scale runs from \(0^{\circ}\) to \(360^{\circ}\), both marking north.

Answer 1

The Correct Option is C

Step 1: Recall the wind direction convention.
Wind direction is always reported as the compass bearing the wind is blowing FROM, not the direction it is heading toward.
This bearing is measured clockwise from true north on a 0 to 360 degree scale, where north is both \(0^{\circ}\) and \(360^{\circ}\), east is \(90^{\circ}\), south is \(180^{\circ}\), and west is \(270^{\circ}\).

Step 2: Apply this to \(360^{\circ}\).
Since \(360^{\circ}\) is the same bearing as \(0^{\circ}\) on this circular scale, a wind reported as coming from \(360^{\circ}\) is coming from true north.
It is called true north, rather than magnetic north, because meteorological wind direction is referenced to the geographic north pole, not to a compass needle affected by magnetic declination.

Step 3: Eliminate the wrong options.
A wind blowing from \(180^{\circ}\), not \(360^{\circ}\), would be from the south, so that option is wrong.
Calm or still air, with no defined direction, is reported separately as calm, not as \(360^{\circ}\), so that option is wrong too.
Magnetic south is not what the 0 to 360 meteorological scale references at all, so that option is also wrong.

Final Answer:
Wind blowing from \(360^{\circ}\) means it is blowing from the true north direction.
\[ \boxed{\text{True north}} \]