Squall line
A squall line is a line of severe thunderstorms that can form ahead of a cold front and can contain heavy precipitation, hail, frequent lightning, dangerous straight line winds, and possibly tornadoes and waterspouts.
A squall line is a line of severe thunderstorms that can form ahead of a cold front and can contain heavy precipitation, hail, frequent lightning, dangerous straight line winds, and possibly tornadoes and waterspouts.