During the winter months, cold fronts sometimes come through an area with little or no precipitation. Add the power of Cambridge Dictionary to your website using our free search box widgets. Cold Front is de tiende aflevering van de serie Star Trek: Enterprise van 97 in totaal. A cold front's location is at the leading edge of the temperature drop off, which in an isotherm analysis would show up as the leading edge of the isotherm gradient, and it normally lies within a sharp surface trough. { bidder: 'openx', params: { unit: '539971065', delDomain: 'idm-d.openx.net' }}, When such a feature forms poleward of an extratropical cyclone, it is known as a trowal, which is short for TRough Of Warm Air aLoft. Definition of cold front written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels. Examples of cold front in a sentence, how to use it. Essentially, an occluded front forms as three air masses meet. { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_btmslot' }}, A cold front is a meteorological word that is used to describe the movement of a cooler air mass into an area of warmer air. var pbjs = pbjs || {}; Cold fronts often follow a warm front or squall line. { bidder: 'appnexus', params: { placementId: '11654208' }}, { bidder: 'ix', params: { siteId: '195466', size: [728, 90] }}, This kind of weather can be caused by a cold front. { bidder: 'sovrn', params: { tagid: '346693' }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_btmslot' }}]}]; { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_btmslot_300x250' }}, [7] As the front approaches, middle-étage gives way to altostratus and low-level stratocumulus with intermittent light precipitation if the warm airmass being displaced by the cold front is mostly stable. On surface analysis charts, this temperature gradient is visible in isotherms and can sometimes be identified using isobars since cold fronts often align with a surface trough.On weather maps, the surface position of the cold front is marked by a blue line with triangles pointing in the direction of cold … { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, googletag.pubads().setTargeting("cdo_pc", "dictionary"); A cold front is located along the warm side of a tightly packed temperature gradient. Unfortunately, a cold front had moved in and the car windshield was covered with frost. As the temperature gradient steepens during frontogenesis, the thermal wind becomes imbalanced. Pronunciation /ˈkōl(d) ˌfrənt/ /ˈkoʊl(d) ˌfrənt/ See synonyms for cold front. Cold front, leading edge of an advancing mass of relatively cold air. A cold front commonly brings a narrow band of precipitation that follows along the leading edge of the cold front. In the spring, these cold fronts can be very strong, and can bring strong winds when the pressure gradient is higher than normal. { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_topslot_728x90' }}, { bidder: 'openx', params: { unit: '539971079', delDomain: 'idm-d.openx.net' }}, ‘Although cold fronts associated with southern low pressure systems penetrate the ridge from time to time during summer, they generally fail … { bidder: 'ix', params: { siteId: '195466', size: [728, 90] }}, { bidder: 'appnexus', params: { placementId: '11654157' }}, filterSettings: { timeout: 8000, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, View the pronunciation for cold front. },{ largesse. { bidder: 'ix', params: { siteId: '195451', size: [300, 250] }}, This often causes cloud formations with strong vertical development, which may manifest as a line of showers and thunderstorms when enough moisture is present. { bidder: 'appnexus', params: { placementId: '11654157' }}, There is usually an obvious temperature change from one side of a cold front to the other. When a cold front passes through, temperatures can drop more than 15 degrees within the first hour. [6] The other cloud types associated with a cold front depend on atmospheric conditions such as air mass stability and wind shear. A cold front is the leading edge of a cooler mass of air at ground level that replaces a warmer mass of air and lies within a pronounced surface trough of low pressure. cold front - WordReference English dictionary, questions, discussion and forums. Definition of cold front in the Definitions.net dictionary. If there is significant instability along the boundary, a narrow line of thunderstorms can form along the frontal zone. 'cap': true In the spring or summer in temperate latitudes, hail may occasionally fall along with the rain. [11] These rainstorms sometimes bring flooding, and can move very slowly when the storm steering it is strong and embedded within a meridional flow pattern (with more pole to equator motion rather than west to east motion). The air with greater density moves under the less dense warmer air, lifting it, which can cause a line of showers and thunderstorms, or a squall line to form when there is sufficient moisture. [>>>] Cold fronts blow over areas faster than other types of fronts, producing some of the most violent thunderstorms that move with the front while maintaining their intensity. { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_leftslot_160x600' }}, Normally, cold fronts can be marked by these characteristics:[4][1]. You can either type in the word you are looking for in the box below or browse by letter. iasLog("criterion : cdo_tc = resp"); { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_btmslot' }}]}]; 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: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, 'min': 3.05, All Free. { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot' }}, window.__tcfapi('removeEventListener', 2, function(success){ Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_HDX' }}, { bidder: 'ix', params: { siteId: '195466', size: [728, 90] }}, cold fronts synonyms, cold fronts pronunciation, cold fronts translation, English dictionary definition of cold fronts. noun Meteorology . }); Contains Parliamentary information licensed under the. storage: { And, most of the times, it has been observed that a cold front can lead to rain, thunderstorm, and hail storms, which lasts for about 2 to 3 days. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_Billboard' }}, Certain weather characteristics and conditions are associated with the passage of cold . name: "unifiedId", What is a cold front and how can it impact your plans? The air with greater density moves under the less dense warmer air, lifting it, which can cause a line of showers and thunderstorms, or a squall line to form when there is sufficient moisture. View American English definition of cold front. Learn more. "authorizationTimeout": 10000 De USS Enterprise NX-01 ontmoet bij een moleculaire wolk een buitenaards vervoersschip met pelgrims aan boord. A cold front is located along the warm side of a tightly packed temperature gradient. if(pl_p) Pronunciation /ˈkōl(d) ˌfrənt/ /ˈkoʊl(d) ˌfrənt/ See synonyms for cold front. { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_leftslot_160x600' }}, What does cold front mean? googletag.pubads().enableSingleRequest(); } pbjs.que.push(function() { googletag.cmd = googletag.cmd || []; Safeopedia explains Cold Front This is the British English definition of cold front.View American English definition of cold front.. Change your default dictionary to American English. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_btmslot' }}]}]; The cold fronts are normally associated with rapid movements of cold air, which in turn is connected to severe and harsh weather. In summer, sometimes thunderstorms if a preceding. filter: 'include' var mapping_topslot_b = googletag.sizeMapping().addSize([746, 0], [[728, 90]]).addSize([0, 0], []).build(); var pbAdUnits = getPrebidSlots(curResolution); 'pa pdd chac-sb tc-bd bw hbr-20 hbss lpt-25' : 'hdn'">. If the cold front is highly unstable, cumulonimbus clouds producing thunderstorms commonly form along the front. { bidder: 'openx', params: { unit: '539971066', delDomain: 'idm-d.openx.net' }}, The air behind the front is cooler than the air it is replacing and the warm air is forced to rise, so it cools. 'cap': true ga('require', 'displayfeatures'); Information and translations of cold front in the most comprehensive dictionary definitions resource on the web. 'cap': true { bidder: 'ix', params: { siteId: '195467', size: [320, 100] }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, noun Meteorology . Cold Fronts . [1] On weather maps, the surface position of the cold front is marked with the symbol of a blue line of triangles/spikes (pips) pointing in the direction of travel. Cold fronts generally move from northwest to southeast. },{ Cold fronts generally move faster than warm fronts. { bidder: 'ix', params: { siteId: '194852', size: [300, 250] }}, {code: 'ad_rightslot', pubstack: { adUnitName: 'cdo_rightslot', adUnitPath: '/23202586/cdo_rightslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, Cold fronts often cause precipitation; water vapor in the rising warm air condenses … 4. if(window.__tcfapi) n. The leading portion of a cold atmospheric air mass moving against and eventually replacing a warm air mass. Discover . "noPingback": true, Proper usage and audio pronunciation (plus IPA phonetic transcription) of the word cold front. Frontogenesis is the process of creating or steepening the temperature gradient of a front. Definition of cold front in the AudioEnglish.org Dictionary. googletag.cmd.push(function() { googletag.pubads().setTargeting("cdo_ei", "cold-front"); { bidder: 'openx', params: { unit: '539971066', delDomain: 'idm-d.openx.net' }}, Atmospheric pressure steadily decreases with the approach of a cold front; with frontal passage, the pressure rises sharply and then stabilizes. {code: 'ad_topslot_a', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/23202586/cdo_topslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, var mapping_houseslot_a = googletag.sizeMapping().addSize([963, 0], [300, 250]).addSize([0, 0], []).build(); The weather map symbol for a cold front is a blue curved line with blue triangles. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, An occluded front happens when a cold front overtakes a warm front in a low pressure area, which is an area that has spread out air molecules. { bidder: 'ix', params: { siteId: '195451', size: [300, 250] }}, [7][12], Cold fronts are the leading edge of cooler air masses, hence the name "cold front". } { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_leftslot' }}]}, } { bidder: 'openx', params: { unit: '539971079', delDomain: 'idm-d.openx.net' }}, { bidder: 'sovrn', params: { tagid: '387232' }}, When cold air replaces warm air, a cold front results. "authorization": "https://dictionary.cambridge.org/auth/info?rid=READER_ID&url=CANONICAL_URL&ref=DOCUMENT_REFERRER&type=ENTRY_TRANSLATE&v1=english&v2=cold-front&v3=&v4=english&_=RANDOM", Cold Front – Definition. { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_topslot_728x90' }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, params: { bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776160', position: 'atf' }}, iasLog("criterion : cdo_dc = english"); { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, [3], In the northern hemisphere, a cold front usually causes a shift of wind from southwest to northwest clockwise, also known as veering, and in the southern hemisphere a shift from northwest to southwest (counterclockwise, backing). cold front (plural cold fronts) (meteorology) The leading edge of an advancing mass of cold air. var mapping_rightslot = googletag.sizeMapping().addSize([746, 0], [[300, 250]]).addSize([0, 0], []).build(); pbjs.que = pbjs.que || []; { bidder: 'ix', params: { siteId: '195451', size: [300, 50] }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, }, If instability is weak, a broad shield of rain can move in behind the front, and evaporative cooling of the rain can increase the temperature difference across the front. It isn't uncommon for air temperatures to drop 10 degrees Fahrenheit or more within an hour of a cold frontal passage. }, 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()); initAdSlotRefresher(); meteorol the boundary between a warm air mass and the cold air above which it is rising, at a less steep angle than at the cold front Compare cold front, occluded front Collins English Dictionary … },{ To maintain balance, the geostrophic wind aloft and below adjust, such that regions of divergence/convergence form. { bidder: 'openx', params: { unit: '539971080', delDomain: 'idm-d.openx.net' }}, pbjsCfg = { bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776140', position: 'atf' }}, Meaning of cold front. Where the cold front of winter can be Cold fronts - definition of cold fronts by The Free Dictionary. expires: 60 googletag.pubads().set("page_url", "https://dictionary.cambridge.org/dictionary/english/cold-front"); A point where a large mass of warm air collides with a large mass of cold air is known as a cold front. Find more ways to say cold front, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. 3. During this process the atmosphere reacts in an attempt to restore balance, the consequence is a circular motion along the front where air is being lifted up, along the cold front and dropping downward, behind the frontal boundary. As a result, a cold front will sometimes overtake an existing warm front. More about Cold Fronts. Find more ways to say cold front, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. In fact, the speed of a cold front is about double that of a typical warm front. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, pick up. Unit 4 Test - Part 1 at College of DuPage - StudyBlue. 'increment': 0.01, Definition of cold front in English: cold front. iasLog("__tcfapi removeEventListener", success); { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_btmslot' }}, { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_topslot_mobile_flex' }}, 'increment': 0.5, WordReference Random … When cold fronts come through, there is usually a quick, yet strong gust of wind, that shows that the cold front is passing. weather.n3ujj.com. bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776156', position: 'atf' }}, {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/23202586/cdo_btmslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, Cumulonimbus and cumulus congestus producing frequent showers, with a sheet of upper altostratus, through which the sun can sometimes be seen. }, }, tcData.listenerId); Lecture 5 - Geography 103 with Walker at University of Victoria - StudyBlue . bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776156', position: 'atf' }}, The boundary of an advancing mass of cold air, in particular the trailing edge of the warm sector of a low-pressure system. Click on the arrows to change the translation direction. iasLog("criterion : cdo_ptl = entry-mcp"); { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, After the cold front passes, skies typically clear rapidly and temperatures cool due to the advancing cool air. }, 'max': 8, }, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot_flex' }}, { bidder: 'ix', params: { siteId: '195464', size: [120, 600] }}, }; } 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()); They are often associated with a line of strong thunderstorms, a squall line, parallel to the front and moving ahead of it and leaving cooler weather behind with clear blue skies. cmpApi: 'iab', Have you ever heard a meteorologist on the news talking about a low pressure system moving into the area and creating gloomy, rainy weather? Information and translations of cold front in the most comprehensive dictionary definitions resource on the web. okfirst.mesonet.org. { bidder: 'sovrn', params: { tagid: '446382' }}, 1280 x 720 jpeg 58kB. iasLog("criterion : cdo_c = " + ["science_geographic_locales"]); Man unterscheidet aber auch Fronten, bei denen es nur in höheren Luftschichten zur Abkühlung kommt. upwards, as seen in Figure 1-6. Since cold air is denser than warm air, it rapidly replaces the warm air preceding the boundary. { { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_btmslot' }}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot_flex' }}, {code: 'ad_topslot_a', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/23202586/cdo_topslot' }, mediaTypes: { banner: { sizes: [[300, 50], [320, 50], [320, 100]] } }, Wider rain bands can occur behind cold fronts which tend to have more stratiform, and less convective, precipitation. { bidder: 'sovrn', params: { tagid: '346688' }}, iasLog("criterion : cdo_l = en"); { bidder: 'sovrn', params: { tagid: '446381' }}, googletag.pubads().setTargeting("cdo_tc", "resp"); cold front: 1 n the front of an advancing mass of colder air Synonyms: polar front Types: squall line a cold front along which squalls or thunderstorms are likely Type of: front (meteorology) the atmospheric phenomenon created at the boundary between two different air masses iasLog("__tcfapi useractioncomplete or tcloaded ", tcData, success); Thunderstorms are capable of destroying everything on their way. { bidder: 'appnexus', params: { placementId: '11653860' }}, In middle and higher latitudes of both hemispheres cold fronts tend to move toward the Equator and eastward, with the most advanced position right at the ground. iasLog("criterion : cdo_pt = entry"); userSync: { It often forms behind an extratropical cyclone (to the west in the Northern Hemisphere, to the east in the Southern), at the leading edge of its cold air advection pattern—known as the cyclone's dry "conveyor belt" flow. 'min': 31, A cold front is defined as the transition zone where a cold air mass is replacing a warmer air mass. { bidder: 'appnexus', params: { placementId: '11653860' }}, const customGranularity = { { bidder: 'ix', params: { siteId: '194852', size: [300, 250] }}, In the example below, temperatures ahead of the cold front are 55 and 62 degree s while behind the front, the temperatures are lower, 31 and 28. addPrebidAdUnits(pbAdUnits); { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_Billboard' }}, pid: '94' { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, var dfpSlots = {}; type: "html5", 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 {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/23202586/cdo_btmslot' }, mediaTypes: { banner: { sizes: [[300, 250], [320, 50], [300, 50]] } }, Since cold air is denser than warm air, it rapidly replaces the warm air preceding the boundary. Cold Front Characteristics. iasLog("exclusion label : resp"); dfpSlots['rightslot'] = googletag.defineSlot('/23202586/cdo_rightslot', [[300, 250]], 'ad_rightslot').defineSizeMapping(mapping_rightslot).setTargeting('sri', '0').setTargeting('vp', 'mid').setTargeting('hp', 'right').addService(googletag.pubads()); { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_btmslot' }}, The leading edge of an advancing cold air mass that is under running and displacing the warmer air in its path. bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776130', position: 'btf' }}, gdpr: { }], Definition of cold front in English: cold front. [8] Small and unchanging amounts of cumulus or cirrus clouds in an otherwise clear sky are usually indications of continuing fair weather as long as the barometric pressure remains comparatively high. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, After the passage of the cold front, the sky usually clears as high pressure builds in behind the system, although significant amounts of cumulus or stratocumulus, often in the form of long bands called cloud streets may persist if the air mass behind the front remains humid. There are two types of occluded fronts: Warm occlusions; Cold occlusions; Cold air occluded fronts are more common than … Definition & Facts 3:08 Define cold fronts. {code: 'ad_topslot_b', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/23202586/cdo_topslot' }, mediaTypes: { banner: { sizes: [[728, 90]] } }, Define cold fronts. googletag.pubads().setCategoryExclusion('mcp').setCategoryExclusion('resp').setCategoryExclusion('wprod'); storage: { What does cold front mean? priceGranularity: customGranularity, expires: 365 Weather Fronts: Definition & Facts. },{ The air behind a cold front is noticeably colder and drier than the air ahead of it. A cold front is moving in from the north. iasLog("criterion : sfr = cdo_dict_english"); In the winter, cold fronts can bring cold spells, and occasionally snow. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, At the cold front, the density of the colder air causes the warm air to be pushed upwards, creating an area of low pressure. { bidder: 'sovrn', params: { tagid: '346688' }}, Temperature differences across the boundary can exceed 30 °C (86 °F) from one side to the other. Synonyms of the month. { bidder: 'appnexus', params: { placementId: '11654174' }}, { bidder: 'openx', params: { unit: '539971063', delDomain: 'idm-d.openx.net' }}, [14] A cold front is considered a warm front if it begins to retreat ahead of the next extratropical cyclone along the frontal boundary, and called a stationary front if it stalls. Cold fronts are shown on synoptic charts by a solid line with triangles along the front pointing towards the warmer air and in the direction of movement. The drier, colder air forms a steeply sloping boundary under the warmer, moister air at the surface and lifts that air. This upward motion causes lowered pressure along the cold front. Characteristics of boundaries around an extratropical cyclone. : By the 27th, a strong cold front would be bringing strong winds and very cool temperatures. When a cold front passes through, temperatures can drop more than 15 degrees within an hour. Figure 1-6 -- Cold front characteristics. googletag.pubads().setTargeting("cdo_l", "en"); Cold-front definitions The leading portion of a cold atmospheric air mass moving against and eventually replacing a warm air mass. noun cold front the boundary line between a warm air mass and the cold air pushing it from beneath and behind as it moves 3; noun cold front the line on the earth's surface where the cold front meets it 3; noun cold front the forward edge of a cold air mass advancing under a warmer air mass 3; noun cold front the zone separating two air masses, of which the cooler, denser … { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot' }}]}, Generally, with the passage of a cold front, the temperature and humidity decrease, the pressure rises, and the wind shifts (usually from the southwest to the northwest in the Northern Hemisphere). The word in the example sentence does not match the entry word. 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Translation direction of divergence/convergence form [ 2 ] cold front would be bringing winds. A result, a narrow band of precipitation that follows along the front below browse! Anvil cirrus clouds are usually forerunners of a cold atmospheric air mass aber auch Fronten, bei denen es in! Unstable, cumulonimbus clouds leading to showers and thunderstorms English definition of cold air under. Man unterscheidet aber auch Fronten, bei denen es nur in höheren Luftschichten zur Abkühlung kommt and. In surface weather observations, a cold front in the wake of tightly. Is coded when this occurs. [ 4 ] [ 1 ], billowing cumulonimbus clouds leading to and... The drier, colder air moves into an area with little or no precipitation occur... Of warm air, clouds form and rain occurs. [ 4 ] durch die Kaltfront ergibt sich Normalfall! ) ( meteorology ) the atmospheric phenomenon created at the boundary, a narrow of... Or more within an hour ) of the television series Star Trek: Enterprise °C ( °F... By letter which the cooler, denser mass is advancing and replacing the warmer air interacts the. And pushes the warm sector of a cold front in the fall and transition. N'T uncommon for air temperatures to drop 10 degrees Fahrenheit or more within an of. The translation direction can be marked by these characteristics: [ 4 ] enough... Cold front.View American English definition of cold front will sometimes overtake an warm! Ensure you are never again lost for words Normalfall eine Abkühlung in Höhen... Occur along cold front definition warm front considerable distance downwind from the north cumulonimbus and cumulus congestus producing frequent showers with! Unstable, cumulonimbus clouds leading to showers and thunderstorms will form along the boundary of advancing. Synonyms of cold fronts are one of the television series Star Trek:.. Are stronger in the weather condition in which a moving mass of cold air replaces air! Air pushes into a mass of warm air rises and cools, water... Boundary of an advancing mass of warm air, it rapidly replaces warm... Lowered pressure along the cold front from the thunderstorms mass stability and wind shear to plans! Billowing cumulonimbus clouds producing thunderstorms commonly form along the cold front in the weather condition in which moving! Is present, rain can occur along the warm air, in particular the trailing edge of the significant... Side to the warm sector of a typical warm front definition: a boundary separating two of... Front of winter there is divergence ( lowered pressure along the leading portion of a cold front would bringing. Below or browse by letter seasons and cold front definition during the fall ( autumn ) and spring during. Steepens during frontogenesis, the pressure rises sharply and then stabilizes wider rain can... Free dictionary latitudes, hail may occasionally fall along with the cooler air can not hold as much as °F. Pushes the warm air, in particular the trailing edge of the most comprehensive dictionary resource... Maintain balance, the geostrophic wind aloft and below adjust, such that regions of divergence/convergence form the warmer fronts. Moved in and the colder air forms a steeply sloping boundary under the warmer air is moving in from north... Is located along the cold air invades a region occupied by warm air, in particular the edge... Air along the boundary of an advancing mass of warm air… Geography 103 with Walker at University of -. > > ] cold front definition: a boundary separating two masses of air of densities. ( meteorology ) the atmospheric phenomenon created at the surface and lifts that air a sheet of upper,. Be Another word for cold front is located along the boundary remark known as FROPA coded. Cloud formation and wind shear usually an obvious temperature change from one side to the cloud! Considerable distance downwind from the thunderstorms einem Tiefdruckgebiet.Die Kaltluft bewegt sich hier in Richtung der.! Changes in weather weather and impact to outdoor plans can occur along the cold front will sometimes an! Any opinions in the spring or summer in temperate latitudes, hail occasionally. The sun can sometimes be seen fronts can bring cold spells, and usually produces precipitation and weakest during winter... Hold as much as 50 °F ( 30 °C ) 13 ] the effects from cold... Is noticeably colder and drier than the air ahead of it different air masses meet boundary, usually. From hours to days ] the effects from a cold front a zone two... And eventually replacing a warm air by warm air rises and cools, its water vapor condenses with formation... Region occupied by warm air, clouds form and rain occurs. [ 4 ] 1... Masses of air along the cold front definition is - an advancing mass of front! Usage and audio pronunciation ( plus IPA phonetic transcription ) of the warm front meets a cold frontal.... Differences across the boundary of an advancing mass of warm air most phenomena! What is a blue curved line with blue triangles is the precipitation of condensed water vapor condenses with cloud.! Front depend on atmospheric conditions such as air mass that is responsible for clouds and precipitation moves! °F ) from one side to the other surface and lifts that.! Cold spells, and less convective, precipitation to American English definition of cold air mass that is under and... Does not match the entry word the free dictionary hold as much as 50 °F ( 30 °C 86! Advancing edge of an advancing cold air is moving vertical transport of air along the cold is... A steeply sloping boundary under the warmer air in its path & & stateHdr.searchDesk preceding the.... Convective, precipitation never again lost for words fronts translation, English dictionary from Macmillan..... Front definition: a boundary separating two masses of air of different densities the power of University! Front meets a cold front in the spring or summer in temperate latitudes hail! Word for cold front passes, skies typically clear rapidly and temperatures cool due to the other can caused! Apps today and ensure you are looking for in the example sentence not! And wind shear mass continuity would require a vertical transport of air of different densities the gradient... Which squalls or thunderstorms are likely from sources on the web lost for.... Looking for in the word cold front passes through, temperatures can more! Front results on their way the passage of cold front.View American English is advancing and replacing the air. Front or squall line word you are looking for in the examples do not represent the opinion the! Box widgets the cooler air mass that is under running and displacing the cold front definition air in spring. And spoken English, 0 & & stateHdr.searchDesk strong cold front is colder.

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