line squall

• Ligne de grains ou de rafales se formant le long d'un front froid ou d'une zone de convergence, provoquant souvent des vents violents soudains et des averses.

A line of thunderstorms or squalls that forms along a cold front or convergence zone, often producing sudden strong winds and heavy rain.

1. Meteorological phenomenonC1formal

   A sudden, strong windstorm that occurs along a line of thunderstorms or a cold front, often accompanied by heavy rain or hail.

   Ligne de grains

   • The sailors prepared for the line squall that was approaching from the west.
   • A line squall can cause sudden and dangerous changes in weather conditions.
   • Meteorologists tracked the line squall as it moved across the plains.