squall line


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squall line

n.
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
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.squall line - a cold front along which squalls or thunderstorms are likely
cold front, polar front - the front of an advancing mass of colder air
References in periodicals archive ?
Wu said that a "mesoscale weather system" developed in the Taiwan Strait and formed a squall line which will affect weather from Miaoli to central Taiwan, where intense lighting and sudden heavy downpours are likely.
Elongation of a line of moderate or strong cells along a line measuring 100 NM or more is a good sign you have a squall line.
Checking in with Northwest Airlines' meteorologist, Lind and Wolfe learned that a squall line was heading east toward Lake Michigan.
Those in the audience learned what to look for in a rare supercell thunderstorm like the one that spawned last June's tornado, which usually features a wall cloud, which can produce a tornado, and a shelf cloud that precedes a squall line like the one that scared people in town a week later.
Former Met Office weatherman Paul Stevens said that a cold front had moved into the area, causing a narrow squall line about 10 miles wide.
"I ask the National Weather Service to consider stopping the use of tornado warnings when trying to catch small spin-ups within a squall line (or QLCS)," Spann wrote in his blog.
This situation can quickly see a development called a squall line form.
However, a new study in Geophysical Research Letters has placed the blame for the tree loss to a 'squall line'--a long line of severe thunderstorms--that crossed the whole Amazon Basin from southwest to northeast between 16 and 18 January.
On 9 March 2006, a severe cold season squall line formed over Louisiana and intensified just east of Columbus, MS, near the Mississippi -Alabama border, where it assumed a bow echo configuration and produced a long swath of damaging winds from eastern Mississippi to northern Alabama.
A forecaster for MeteoGroup UK, the weather division of the Press Association, said a squall line of thunderstorms, stretching from east to west was gradually moving up the country and over the M6 motorway.
The lightning was part of a fast-moving squall line typical of unsettled spring weather, said National Weather Service forecaster Tiffani Brown.