What range of wind speed is best for the production of smoke screens?

The production of smoke screens is most effective when the wind speed falls within the range of 4 to 14 knots. This range is optimal because it allows the smoke to disperse adequately across the intended area without being blown away too quickly or not filling the area effectively.

When the wind speed is too low (close to zero), the smoke may not spread as intended, leading to insufficient cover. On the other hand, if the wind speed exceeds 14 knots, the smoke could be dispersed too rapidly, diminishing its effectiveness as a concealment tool. Therefore, the 4 to 14 knots range strikes a balance that facilitates the creation of a useful smoke screen that can obscure the area without being adversely affected by environmental conditions.