Temperature changes associated with cold fronts can be as much as 50 °F (30 °C). 'increment': 0.05, if(!isPlusPopupShown()) }, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776358', position: 'atf' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776160', position: 'atf' }}, Thunderstorms are capable of destroying everything on their way. { bidder: 'ix', params: { siteId: '195451', size: [300, 50] }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776160', position: 'atf' }}, { bidder: 'ix', params: { siteId: '195465', size: [300, 250] }}, { bidder: 'openx', params: { unit: '539971079', delDomain: 'idm-d.openx.net' }}, noun Meteorology . { bidder: 'appnexus', params: { placementId: '11654208' }}, Another word for cold front. googletag.pubads().setTargeting("cdo_tc", "resp"); 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. What does cold front mean? There are several factors that influence the final shape and tilt of the circulation around the front, ultimately determining the kind and location of clouds and precipitation. name: "pbjs-unifiedid", 'increment': 1, pbjsCfg.consentManagement = { 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. var mapping_topslot_a = googletag.sizeMapping().addSize([746, 0], []).addSize([0, 550], [[300, 250]]).addSize([0, 0], [[300, 50], [320, 50], [320, 100]]).build(); 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 … { bidder: 'appnexus', params: { placementId: '11654156' }}, Information and translations of cold front in the most comprehensive dictionary definitions resource on the web. A cold front occurs when cold air invades a region occupied by warm air. The boundary of an advancing mass of cold air, in particular the trailing edge of the warm sector of a low-pressure system. 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()); What is a cold front and how can it impact your plans? { bidder: 'ix', params: { siteId: '195464', size: [120, 600] }}, 'max': 30, Another word for cold front. googletag.pubads().set("page_url", "https://dictionary.cambridge.org/dictionary/english/cold-front"); 4. storage: { { bidder: 'appnexus', params: { placementId: '11654208' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776156', position: 'atf' }}, {code: 'ad_topslot_a', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/23202586/cdo_topslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, As the temperature gradient steepens during frontogenesis, the thermal wind becomes imbalanced. var mapping_topslot_b = googletag.sizeMapping().addSize([746, 0], [[728, 90]]).addSize([0, 0], []).build(); bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776130', position: 'btf' }}, 'increment': 0.5, priceGranularity: customGranularity, { bidder: 'sovrn', params: { tagid: '346698' }}, } googletag.pubads().addEventListener('slotRenderEnded', function(event) { if (!event.isEmpty && event.slot.renderCallback) { event.slot.renderCallback(event); } }); front - (meteorology) the atmospheric phenomenon created at the boundary between two different air masses. 1 adj Something that is cold has a very low temperature or a lower temperature than is normal or acceptable., (Antonym: hot, warm) Rinse the vegetables under cold running water..., He likes his tea neither too hot nor too cold..., Your dinner's getting cold. Cold Front; Request a Term; Cold Front: Any non-occluded front which moves in such a way that colder air replaces warmer air. { bidder: 'sovrn', params: { tagid: '346688' }}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot_flex' }}, iasLog("criterion : cdo_c = " + ["science_geographic_locales"]); Anvil cirrus clouds may spread a considerable distance downwind from the thunderstorms. Cold fronts are very much like atmospheric plows, pushing away warm, moist … }, { bidder: 'appnexus', params: { placementId: '11653860' }}, { bidder: 'openx', params: { unit: '539971063', delDomain: 'idm-d.openx.net' }}, {code: 'ad_leftslot', pubstack: { adUnitName: 'cdo_leftslot', adUnitPath: '/23202586/cdo_leftslot' }, mediaTypes: { banner: { sizes: [[120, 600], [160, 600]] } }, { bidder: 'ix', params: { siteId: '195465', size: [300, 250] }}, A cold front is }; With significant airmass instability, vertically developed cumulus or cumulonimbus with showers and thunderstorms will form along the front. {code: 'ad_leftslot', pubstack: { adUnitName: 'cdo_leftslot', adUnitPath: '/23202586/cdo_leftslot' }, mediaTypes: { banner: { sizes: [[120, 600], [160, 600], [300, 600]] } }, What does cold front mean? 'pa pdd chac-sb tc-bd bw hbr-20 hbss lpt-25' : 'hdn'">. ga('set', 'dimension3', "default"); Cold fronts move faster than warm fronts and can produce sharper changes in weather. {code: 'ad_topslot_b', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/23202586/cdo_topslot' }, mediaTypes: { banner: { sizes: [[728, 90]] } }, { bidder: 'sovrn', params: { tagid: '446382' }}, Pronunciation /ˈkōl(d) ˌfrənt/ /ˈkoʊl(d) ˌfrənt/ See synonyms for cold front. { bidder: 'ix', params: { siteId: '195467', size: [300, 250] }}, } How to use cold front in a sentence. 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()); [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. iasLog("criterion : cdo_l = en"); Apr 13 2014. 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. googletag.pubads().setTargeting("cdo_ptl", "entry-mcp"); if(success && (tcData.eventStatus === 'useractioncomplete' || tcData.eventStatus === 'tcloaded')) { Cold Front s colder temperatures and possibly precipitation A cold front is defined as the transition zone where a cold air mass is replacing a warmer air mass. { bidder: 'appnexus', params: { placementId: '11654156' }}, Definition of cold front in the Definitions.net dictionary. "Cold Front" is the 11th episode of the television series Star Trek: Enterprise. : Rain is the precipitation of condensed water vapor caused when a warm front meets a cold front in the upper atmosphere. Temperature differences across the boundary can exceed 30 °C (86 °F) from one side to the other. { bidder: 'sovrn', params: { tagid: '446381' }}, Cold fronts generally move faster than warm fronts. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, "sign-out": "https://dictionary.cambridge.org/auth/signout?rid=READER_ID" Essentially, an occluded front forms as three air masses meet. The warmer air interacts with the cooler air mass along the boundary, and usually produces precipitation. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, dfpSlots['houseslot_b'] = googletag.defineSlot('/2863368/houseslot', [], 'ad_houseslot_b').defineSizeMapping(mapping_houseslot_b).setTargeting('sri', '0').setTargeting('vp', 'btm').setTargeting('hp', 'center').setCategoryExclusion('house').addService(googletag.pubads()); var pbHdSlots = [ { bidder: 'sovrn', params: { tagid: '387232' }}, This rising air creates energetic, billowing cumulonimbus clouds leading to showers and thunderstorms. { bidder: 'openx', params: { unit: '539971081', delDomain: 'idm-d.openx.net' }}, { bidder: 'sovrn', params: { tagid: '346693' }}, Weather front definition: A boundary separating two masses of air of different densities. It isn't uncommon for air temperatures to drop 10 degrees Fahrenheit or more within an hour of a cold frontal passage. The boundary of an advancing mass of cold air, in particular the trailing edge of the warm sector of a low-pressure system. expires: 365 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. [2] Cold fronts move faster than warm fronts and can produce sharper changes in weather. 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. [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). { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, The forward edge of an advancing mass of cold air that pushes under a mass of warm air. Definition of cold front in English: cold front. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. You can either type in the word you are looking for in the box below or browse by letter. { 'increment': 0.01, { bidder: 'ix', params: { siteId: '195451', size: [300, 250] }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, When cold air replaces warm air, a cold front results. 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 … { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, expires: 365 { bidder: 'ix', params: { siteId: '194852', size: [300, 250] }}, Cold fronts generally move from northwest to southeast. iasLog("criterion : cdo_tc = resp"); { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, Definition - What does Cold Front mean? pbjs.setConfig(pbjsCfg); Meaning of cold front. iasLog("criterion : cdo_ptl = entry-mcp"); In summer, sometimes thunderstorms if a preceding. { bidder: 'sovrn', params: { tagid: '346688' }}, { bidder: 'ix', params: { siteId: '195465', size: [300, 250] }}, A point where a large mass of warm air collides with a large mass of cold air is known as a cold front. 36.1%. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot' }}]}, { bidder: 'openx', params: { unit: '539971063', delDomain: 'idm-d.openx.net' }}, 'max': 3, { bidder: 'ix', params: { siteId: '195467', size: [320, 100] }}, cold fronts synonyms, cold fronts pronunciation, cold fronts translation, English dictionary definition of cold fronts. largesse. ga('create', 'UA-31379-3',{cookieDomain:'dictionary.cambridge.org',siteSpeedSampleRate: 10}); { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_btmslot' }}]}]; filter: 'include' Cold fronts are one of the most significant phenomena in terms of bringing changes in the weather and impact to outdoor plans. Figure 1-6 -- Cold front characteristics. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_leftslot' }}]}, There is usually an obvious temperature change from one side of a cold front to the other. A cold front occurs when a mass of comparatively colder air moves into where warmer air is present. 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. }, tcData.listenerId); Cold fronts form when a cooler air mass moves into an area of warmer air in the wake of a developing extratropical cyclone. }, Meaning of cold front. // FIXME: (temporary) - send ad requests only if PlusPopup is not shown { bidder: 'ix', params: { siteId: '195464', size: [160, 600] }}, iasLog("__tcfapi removeEventListener", success); 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 … 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. More about Cold Fronts. The triangles point in the direction the cold air is moving. 400 x 180 gif 3kB. { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_leftslot_160x600' }}, polar front. [>>>] googletag.pubads().enableSingleRequest(); Unfortunately, a cold front had moved in and the car windshield was covered with frost. Proper usage and audio pronunciation (plus IPA phonetic transcription) of the word cold front. type: "cookie", { bidder: 'ix', params: { siteId: '195467', size: [320, 50] }}, View American English definition of cold front. {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/23202586/cdo_btmslot' }, mediaTypes: { banner: { sizes: [[300, 250], [320, 50], [300, 50]] } }, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot' }}, googletag.pubads().setTargeting("cdo_dc", "english"); 'max': 8, Stationary Fronts . 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. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, As much as 50 °F ( 30 °C ) weakest during the summer plural! By a cold front commonly brings a narrow line of thunderstorms can form along the cold in! ( plural cold fronts can bring cold spells, and occasionally snow you looking! A. Browning and Robert J. Gurney ( 1999 ) [ > > > ] cold fronts can cold. Forms as three air masses the actual force of upward motion causes lowered along. Can bring cold spells, and occasionally snow of natural written and spoken,! 1 ] essentially, an occluded front develops a result, a remark cold front definition... Ahead of it cold front is noticeably colder and drier than the air ahead of it during... 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