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As thunderstorms organized in squall lines, the northern end of the squall line is commonly referred to as the cyclonic end, with the southern side rotating anticyclonically (in Northern hemisphere). Because of the Coriolis force, the northern end may evolve further, creating a "comma shaped" wake low, or may continue in a squall-like pattern.
A squall line is an elongated line of severe thunderstorms that can form along and/or ahead of a cold front. [11] [12] In the early 20th century, the term was used as a synonym for cold front. [13] The squall line contains heavy precipitation, hail, frequent lightning, strong straight-line winds, and possibly tornadoes and waterspouts. [14]
A summer squall line in Southern Ontario, producing lightning and distant heavy rains. Wind shear is an important aspect to measuring the potential of squall line severity and duration. In low to medium shear environments, mature thunderstorms will contribute modest amounts of downdrafts, enough to turn will aid in create a leading edge lifting ...
A snow squall is a brief period of intense snowfall and wind that leads to whiteout conditions which could trigger dangerous traffic accidents. Snow squalls are most common in the northern United ...
A bow echo is associated with squall lines or lines of convective thunderstorms. These echoes can range in size from 20 to 200 km, and have a life span of 3 to 6 hours. Bow echoes tend to develop when moderate to strong wind shear exists in the lower 2 to 3 km of the atmosphere. While similar to squall lines, bow echoes are smaller in scale and ...
Individual thunderstorm updrafts and downdrafts along the line can become strong, producing large hail and strong outflow of straight-line winds ahead of system. Tornadoes are only occasionally reported. [2] In certain conditions, squall line can extend on a very long line, moving extremely rapidly, and become a derecho.
Medusa is one of the most powerful mythological figures of all time. She had the power to petrify a person with a single glance—and we mean quite literally turn a person to stone.
Each story has its feet firmly planted in the real world, but serves as an epicenter for swirling fantasies. In one story, "The Lizzie Borden Jazz Babies," Sparks makes use of a tragic plot point that sets off many classic fairy tales – the untimely death of a protagonist's parent – and applies it to the father instead of the mother.