A squall is often named for the weather phenomenon that accompanies it, such as rain, hail, or thunder; a line squall is one associated with a squall line of thunderstorms that is often hundreds of kilometres long. This article was most recently revised and updated by, https://www.britannica.com/science/squall. Omissions? Space Week falls at this calendar juncture because this first October week is bookended by two key dates. Snow squalls often feel much like blizzards, but are typically limited to a certain location and do not last as long. Modified entries © 2019 It includes several briefer wind-speed changes, or gusts. Last 300 years, Most material © 2005, 1997, 1991 by Penguin Random House LLC. Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. There are some words that seem to be of perennial interest, so if you compare the list of words that were looked up most often in March with the words that were looked up most often in September, you will find a lot of words appearing on both lists. Corrections? By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. Those lessons are put to the test when their ship encounters a violent—and, according to some, mythic—meteorological event called a “white squall.”. As Hurricane Sandy bears down on the East Coast, TIME revisits the movies that show nature’s less pleasant side, [youtube=https://www.youtube.com/watch?v=69ZoLvE9SpQ], Cast: Jeff Bridges, Scott Wolf, Ryan Phillippe, TYPE OF VIOLENT WEATHER: A “white squall”, ITS SIGNIFICANCE IN THE MOVIE: Loosely based on actual events, the movie tells the story of a diverse group of high-school boys—think Dead Poet’s Society, only on water—who learn some valuable lessons while serving aboard a sailing ship captained by a stern disciplinarian named Christopher Sheldon (Jeff Bridges). TYPE OF VIOLENT WEATHER: A “white squall ” ITS SIGNIFICANCE IN THE MOVIE: Loosely based on actual events, the movie tells the story of a diverse group of high-school boys—think Dead Poet’s Society, only on water—who learn some valuable lessons while serving aboard a sailing ship captained by a stern disciplinarian named Christopher Sheldon (Jeff Bridges). Hundred-knot winds radiate from a central point for a few seconds or even minutes, seemingly out of nowhere. Download our English Dictionary apps - available for both iOS and Android. Last 50 years RANDOM (BUT SLIGHTLY RELEVANT) FACTOID: Striking without warning (and absent the dark clouds that normally accompany storms), white squalls are said to generate waves as high as 20 feet. Today, 9 October, is the penultimate day of this year’s World Space Week, a UN event launched in 1999. Amaze your friends with your new-found knowledge! Updates? Squall, as used by weather forecasters, a sudden wind-speed increase of 8 metres per second (18 miles per hour) or more, for one minute or longer. And best of all it's ad free, so sign up now and start using at home or in the classroom. 'Hepatomegaly' and 'hydronephrosis' are among the most frequently looked-up words in September. It includes several briefer wind-speed changes, or gusts. All rights reserved. © 2020 TIME USA, LLC. What distinguishes a white squall from the more-common microburst is that a white squall is not … White squalls are formed when a sudden burst of air pushes down through the atmosphere and impacts on the surface of the earth. Our editors will review what you’ve submitted and determine whether to revise the article. Squall, as used by weather forecasters, a sudden wind-speed increase of 8 metres per second (18 miles per hour) or more, for one minute or longer. Imperfect Weather: 10 Most Memorable Movie Storm Scenes, Thunderbolts and Lightning, Very Very Frightening…. We have almost 200 lists of words from topics as varied as types of butterflies, jackets, currencies, vegetables and knots! Last 100 years Create an account and sign in to access this FREE content. Let us know if you have suggestions to improve this article (requires login). With nowhere else to go, it pushes outwards. White squall definition: a violent highly localized weather disturbance at sea, in which the surface of the water... | Meaning, pronunciation, translations and examples by Penguin Random House LLC and HarperCollins Publishers Ltd. Security refers to all the measures that are taken to protect a place, or to ensure that only people with permission enter it or leave it. From moonshoot to balconing: discover the latest words added to the Collins Dictionary. All the latest wordy news, linguistic insights, offers and competitions every month. Our new online dictionaries for schools provide a safe and appropriate environment for children. The online version of the Collins Dictionary has just been updated again, with another batch of new words and meanings inspired by the events of the summer. Many New Yorkers were caught off-guard Wednesday as a snow squall moved in quickly, covering the city in a sudden cloud and dusting of snow. Those lessons are put … Last 10 years However, the cold dome behind the trough is at 850 mbar instead of a higher level and must be at least -13 °F (-25 °C). View usage for: You can get a certain insight into human nature from analysing the words that people look up in dictionaries. A snowsquall, or snow squall, ... Forecasting these types of events is equivalent to summer severe weather forecast for squall lines: presence of a sharp frontal trough with wind shift and low level jet of more than 30 knots (55.58 km/h). All Years