What does blowing a gale mean?

"Blowing a gale" refers to a strong wind, typically characterized by sustained speeds of 34 to 40 knots (39 to 46 miles per hour or 63 to 74 kilometers per hour). This term is often used in meteorology to describe stormy weather conditions that can cause difficult and dangerous situations, such as rough seas or fallen trees. In general usage, it conveys the idea of very windy conditions.