A squall line, or quasi-linear convective system (QLCS), is a line of thunderstorms, often forming along or ahead of a cold front. In the early 20th century, the term was used as a synonym for cold front (which often are accompanied by abrupt and gusty wind shifts).

2022年2月3日 · A squall line is a group of thunderstorms arranged in the form of a long line, often hundreds of miles long, but only between 10 to 20 miles wide. Squall lines are usually found in the warm sector of a cyclone (in the midlatitudes) and about 60 to 200 miles in front of a cold front.

A squall line is a group of storms arranged in a line, often accompanied by “squalls” of high wind and heavy rain. Squall lines tend to pass quickly and are less prone to produce tornadoes than are supercells. They can be hundreds of miles long but are typically only 10 or 20 miles wide.

2025年2月28日 · When severe weather strikes, you might hear a meteorologist refer to a squall line. They are commonly seen in spring as well as other times of the year and you should take the dangers they pose...

2022年3月30日 · As the term suggests, squall lines are thunderstorms organized in a line, typically arranged from north to south. According to the National Weather Service, these dangerous lines of storms can stretch for hundreds of miles and persist for many hours, producing destructive winds, hail and even tornadoes along their path.

2025年3月11日 · Squall lines are common across the United States east of the Rockies, especially during the spring when the atmosphere is most "dynamic." A " bow echo " or " bowing line segment " is an arched/bowed out line of thunderstorms, sometimes embedded within a …

2023年4月10日 · Squall lines are thunderstorms arranged in a line, often from north to south. They can be hundreds of miles long, but are usually only about 10 to 20 miles wide. Here's a forecast model depiction...

A squall line is a fast-moving system of thunderstorms in a long, narrow line formation. They can stretch for hundreds of miles (typically arranged north-south) but are usually less than32km (20 miles) wide.

2022年11月9日 · Squall lines are areas of active thunderstorms that are usually several hundred miles long and 60 miles wide. These squall lines typically form along cold front boundaries in the spring and fall. However, they can also form along warm front boundaries and outflow boundaries from thunderstorms.

2014年6月13日 · A squall line is line of broken to continuous thunderstorms - which means you can't fly through the line. They form ahead of cold fronts in warm air, and develop into a multi-cell thunderstorm line.