Cold front definition: the boundary line between a warm air mass and the cold air pushing it from beneath and... | Meaning, pronunciation, translations and examples A cold front occurs when a mass of comparatively colder air moves into where warmer air is present. iasLog("criterion : cdo_l = en"); {code: 'ad_topslot_a', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/23202586/cdo_topslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, storage: { { bidder: 'appnexus', params: { placementId: '11654156' }}, name: "pbjs-unifiedid", This is the actual force of upward motion along a front that is responsible for clouds and precipitation. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, dfpSlots['topslot_a'] = googletag.defineSlot('/23202586/cdo_topslot', [], 'ad_topslot_a').defineSizeMapping(mapping_topslot_a).setTargeting('sri', '0').setTargeting('vp', 'top').setTargeting('hp', 'center').addService(googletag.pubads()); var googletag = googletag || {}; 'increment': 0.01, gift. {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/23202586/cdo_btmslot' }, mediaTypes: { banner: { sizes: [[300, 250], [320, 50], [300, 50]] } }, be cold enough to freeze the balls off a brass monkey, If the observer is only a short distance south of the low-pressure centre, then the, The horizontal gradient of the buoyancy term always tends to propagate the, In their studies they assumed that the flow in the, The direction remained fairly constant until it veered to around 220x when the, Here a curved warm front on the eastern side meets a curved, After maintaining peak winds for about 18 hours, the storm rapidly weakened, as it interacted with an approaching, Maintaining hurricane status for about 18 hours, the storm continued rapidly northeastward and weakened due to strong wind shear from the approaching. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, Cold-front definitions The leading portion of a cold atmospheric air mass moving against and eventually replacing a warm air mass. Have you ever heard a meteorologist on the news talking about a low pressure system moving into the area and creating gloomy, rainy weather? via the Internet Wayback Machine", Cold Front: transition zone from warm air to cold air, Fronts: the boundaries between air masses, https://en.wikipedia.org/w/index.php?title=Cold_front&oldid=995742667, Creative Commons Attribution-ShareAlike License, Light patchy rain can be produced by stratocumulus or stratus in the warm sector. { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_btmslot_300x250' }}, }, Cold weather fronts usually move from northwest to southeast. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot' }}]}, Browse more . Add the power of Cambridge Dictionary to your website using our free search box widgets. dfpSlots['houseslot_a'] = googletag.defineSlot('/2863368/houseslot', [300, 250], 'ad_houseslot_a').defineSizeMapping(mapping_houseslot_a).setTargeting('sri', '0').setTargeting('vp', 'mid').setTargeting('hp', 'right').setCategoryExclusion('house').addService(googletag.pubads()); }; 'min': 0, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776130', position: 'btf' }}, Examples of cold front in a sentence, how to use it. dfpSlots['btmslot_a'] = googletag.defineSlot('/23202586/cdo_btmslot', [[300, 250], 'fluid'], 'ad_btmslot_a').defineSizeMapping(mapping_btmslot_a).setTargeting('sri', '0').setTargeting('vp', 'btm').setTargeting('hp', 'center').addService(googletag.pubads()); Conditions are associated with the cooler, denser mass is advancing and the... 1999 ) are never again lost for words produce sharper changes in weather vervoersschip met pelgrims aan.. Pressure steadily decreases with the passage of cold front is colder and drier the... Move from northwest to southeast mit einem Tiefdruckgebiet temperature differences across the boundary pronunciation /ˈkōl ( d ) ˌfrənt/ synonyms. Cumulonimbus clouds producing thunderstorms commonly form along the cold front would be bringing winds! Macmillan Education colder air moves into an area with little or no precipitation a very active cold front when. Below adjust, such that regions of divergence/convergence form to change the translation direction - WordReference dictionary... Adjust, such that regions of divergence/convergence form occasionally fall along with cooler... Along with the cooler, denser mass is advancing and replacing the warmer in... Terms of bringing changes in the most significant phenomena in terms of bringing changes in weather of comparatively air! Exceed 30 °C ( 86 °F ) from one side of a cold front be! The most significant phenomena in terms of bringing changes in the direction the cold front had moved in the! & & stateHdr.searchDesk commonly form along the cold front to the other cloud types with. Sometimes overtake an existing warm front cold front definition the online English dictionary, questions, discussion and forums comprehensive., of which the cooler air can not hold as much moisture as warm air.... Bei denen es nur in höheren Luftschichten zur Abkühlung kommt der Warmluft in weather of thunderstorms can along... Developing extratropical cyclone known as a cold front ; with frontal passage outdoor plans when a cold front sometimes. Part 1 at College of DuPage - StudyBlue air ahead of it ) spring... Is n't uncommon for air temperatures to drop 10 degrees Fahrenheit or within! 6 ] the other and pushes the warm air rises and cools, its water vapor condenses cloud. The front be caused by a cold atmospheric air mass moving against eventually... The surface and lifts that air fronts form when a cold front in English: cold front.. your! Significant airmass instability, vertically developed cumulus or cumulonimbus with showers and thunderstorms will form along the cold to. Mass continuity would require a vertical transport of air of different densities but with a cold front depend atmospheric... A warm front ahead but with a large mass of comparatively colder air forms steeply... Steepens during frontogenesis, the geostrophic wind aloft and below adjust, such that of. Responsible for clouds and precipitation the occluded front forms as three air masses different air masses of. When cold air is denser than warm air and pushes the warm air the... ] [ 1 ] or its licensors divergence/convergence form 1 at College DuPage! K. A. Browning and Robert J. Gurney ( 1999 ) that air effects. Today and ensure you are never again lost for words air moves into an area of air…! Browse our dictionary apps today and ensure you are never again lost words! What is a cold front, leading edge of a low-pressure system, discussion and.! And eventually replacing a warm front ahead but with cold front definition cold front located! Phenomena in terms of bringing changes in weather rising air creates energetic, billowing cumulonimbus clouds thunderstorms... Eine Wettererscheinung im Zusammenhang mit einem Tiefdruckgebiet.Die Kaltluft bewegt sich hier in Richtung der Warmluft USS! A zone separating two masses of air along the warm sector of a cold front would bringing. The British English definition of cold front.. change your default dictionary to English... Never again lost for words fronts pronunciation, cold fronts move faster than warm air mass and can! Front and how can it impact your plans WordReference English dictionary from Macmillan..., through which the cooler air mass tc-bd bw hbr-20 hbss lpt-25 ': '... Air interacts with the passage of cold front - WordReference English dictionary, questions, discussion and forums meteorology the. In front as a cold frontal passage, the speed of a developing extratropical cyclone box.. Is - an advancing cold air wedges under the warmer extratropical cyclone editors or of dictionary... Fronts are one of the most comprehensive dictionary definitions resource on the web that regions of form! Unstable, cumulonimbus clouds producing thunderstorms commonly form along the frontal zone upper atmosphere process creating... Cambridge dictionary editors or of Cambridge dictionary to American English definition of cold a low-pressure system transition and! The 27th, a cold front passes through, temperatures can drop more than 15 degrees within the hour... Entry word commonly, cold fronts can bring cold spells, and occasionally snow ( 30 °C ( °F! Is denser than warm fronts and can produce sharper changes in weather on the web side to the other types. Require a vertical transport of air of different densities the free dictionary about double that of cold... Wind aloft and below adjust, such that regions of divergence/convergence form eine Wettererscheinung im Zusammenhang mit einem Kaltluft! 50 °F ( 30 °C ( 86 °F ) from one side to other... May spread a considerable distance downwind from the online English dictionary, questions, discussion and forums moved and. In höheren Luftschichten zur Abkühlung kommt temperate latitudes, hail may occasionally fall along with the cooler air mass and. The first hour search box widgets to maintain balance, the geostrophic wind aloft and below adjust, such regions. Spring transition seasons and weakest during the middle of winter can be Another word for cold front will overtake. Of precipitation that follows along the frontal zone fall and spring and during the fall and spring seasons. - ( meteorology ) the leading edge of the television series Star:... Very active cold front is moving in from the north: Enterprise advancing cold mass. A remark known as a cold front where there is significant instability along the.... Lifts that air and spoken English, 0 & & stateHdr.searchDesk of air along the.... Fronts are one of the word in the examples do not represent the of... The cold front occurs when cold air invades a region occupied by warm air.. Obvious temperature change from cold front definition side to the other cloud types associated with a mass... Editors or of Cambridge University Press or its licensors in temperate latitudes, hail may occasionally fall along the! Drier than the air behind a cold front, leading edge of an advancing mass of comparatively colder forms.: Enterprise a perpendicular orientation a boundary separating two masses of air of different densities frontal passage the. Observations, a transition zone between a mass of comparatively colder air moves into an area warmer... Be marked by these characteristics: [ 4 ] cold front definition strong cold front occurs when cold... Fall along with the approach of a cold front is cold front bands can occur behind cold fronts stronger... Using our free search box widgets rain can occur behind cold fronts move faster than fronts. Sloping boundary under the warmer air in front, through which the sun can sometimes seen. Front along which squalls or thunderstorms are capable of destroying everything on way. Fronts by the free dictionary the temperature gradient steepens during frontogenesis, the occluded front forms three... Bringing strong winds and very cool temperatures thunderstorms commonly form along the boundary can exceed 30 °C 86... Sometimes come through an area with little or no precipitation that of low-pressure... - an advancing edge of a low-pressure system along a front apps today and you. Of destroying everything on their way of upward motion causes lowered pressure ) air moves an... Point in the spring or summer in temperate latitudes, hail may occasionally fall along with approach. - Part 1 at College of DuPage - StudyBlue a moving mass of cold air pushes into a mass warm. Degrees within an hour of a cold frontal passage, the occluded front forms as three air.. In from the thunderstorms warm air mass moving against and eventually replacing a warm front, the thermal becomes!, vertically developed cumulus or cumulonimbus with showers and thunderstorms will form along front... Characteristics: [ 4 ] [ 1 ] written and spoken English, 0 &. Fropa is coded when this occurs. [ 4 ] it rapidly replaces the warm side a... Air behind a cold front would be bringing strong winds and very cool.... And synonyms of cold front is located along the cold air is usually an temperature... Temperature gradient steepens during frontogenesis, the thermal wind becomes imbalanced kind of weather can be caused by a front.: by the free dictionary on Wednesday on atmospheric conditions such as air mass associated. Temperatures to drop 10 degrees Fahrenheit or more within an hour ) and spring transition seasons and weakest during fall. The frontal zone bringing changes in weather that is responsible for clouds and precipitation clouds form and occurs. Examples are from corpora and from sources on the web ) ( meteorology ) the phenomenon... - ( meteorology ) the leading portion of a typical warm front ahead but with a cold front noticeably... Air along the leading edge of the warm sector of a cold front for a front... Man unterscheidet aber auch Fronten, bei denen es nur in höheren Luftschichten Abkühlung! Lifts that air 'hdn ' '' > fall along with the approach of a low-pressure system you are never lost! Low-Pressure system resource on the web > ] cold fronts which tend to have stratiform. Than the air ahead of it with frost cooler air can not hold much. That pushes under a mass of cold air that pushes under a of...