Use "squall line" in a sentence
1. In the radar echo images the squall line showed herringbone or bow, bull's-eye structure and the main front was associated with thin ribbon weak echo which was the sign of the emergence of gale.
1. In the radar echo images the squall line showed herringbone or bow, bull's-eye structure and the main front was associated with thin ribbon weak echo which was the sign of the emergence of gale.