| 释义 |
squall line
squall linen. A line of thunderstorms preceding a cold front.squall line n (Physical Geography) a narrow zone along a cold front along which squalls occur. See also line squall Thesaurus| Noun | 1. | squall line - a cold front along which squalls or thunderstorms are likelycold front, polar front - the front of an advancing mass of colder air |
squall line
squall line[′skwȯl ‚līn] (meteorology) A line of thunderstorms near whose advancing edge squalls occur along an extensive front; the region of thunderstorms is typically 12 to 30 miles (20 to 50 kilometers) wide and a few hundred to 1200 miles (2000 kilometers) long. squall lineA narrow zone of meteorological activity usually parallel or nearly parallel to a cold frontal surface, occurring some distance away. Squall-line activity, or a line squall, is characterized by thunderstorms, heavy rain, brief wind shifts, gusty winds, abrupt pressure rises, and abrupt temperature falls.AcronymsSeeSQLNsquall line
Words related to squall linenoun a cold front along which squalls or thunderstorms are likelyRelated Words |