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- Outflow_boundary abstract "An outflow boundary, also known as a gust front, is a storm-scale or mesoscale boundary separating thunderstorm-cooled air (outflow) from the surrounding air; similar in effect to a cold front, with passage marked by a wind shift and usually a drop in temperature and a related pressure jump. Outflow boundaries can persist for 24 hours or more after the thunderstorms that generated them dissipate, and can travel hundreds of kilometres (miles) from their area of origin. New thunderstorms often develop along outflow boundaries, especially near the point of intersection with another boundary (cold front, dry line, another outflow boundary, etc.). Outflow boundaries can be seen either as fine lines on weather radar imagery or else as arcs of low clouds on weather satellite imagery. From the ground, outflow boundaries can be co-located with the appearance of roll clouds and shelf clouds.Outflow boundaries create low-level wind shear which can be hazardous during aircraft takeoffs and landings. If a thunderstorm runs into an outflow boundary, the low-level wind shear from the boundary can cause thunderstorms to exhibit rotation at the base of the storm, at times causing tornadic activity. Strong versions of these features known as downbursts can be generated in environments of vertical wind shear and mid-level dry air. Microbursts have a diameter of influence less than 4 kilometres (2.5 mi), while macrobursts occur over a diameter greater than 4 kilometres (2.5 mi). Wet microbursts occur in atmospheres where the low levels are saturated, while dry microbursts occur in drier atmospheres from high-based thunderstorms. When an outflow boundary moves into a more stable low level environment, such as into a region of cooler air or over regions of cooler water temperatures out at sea, it can lead to the development of an undular bore.".
- Outflow_boundary thumbnail Outflow_bndry.png?width=300.
- Outflow_boundary wikiPageExternalLink GOES9_1min_1930-2100.mpg.
- Outflow_boundary wikiPageID "1621854".
- Outflow_boundary wikiPageLength "13661".
- Outflow_boundary wikiPageOutDegree "64".
- Outflow_boundary wikiPageRevisionID "699648845".
- Outflow_boundary wikiPageWikiLink Arcus_cloud.
- Outflow_boundary wikiPageWikiLink Atmosphere_of_Earth.
- Outflow_boundary wikiPageWikiLink Category:Atmospheric_dynamics.
- Outflow_boundary wikiPageWikiLink Category:Wind.
- Outflow_boundary wikiPageWikiLink Cold_front.
- Outflow_boundary wikiPageWikiLink Density.
- Outflow_boundary wikiPageWikiLink Derecho.
- Outflow_boundary wikiPageWikiLink Downburst.
- Outflow_boundary wikiPageWikiLink Dry_line.
- Outflow_boundary wikiPageWikiLink Equator.
- Outflow_boundary wikiPageWikiLink Extratropical_cyclone.
- Outflow_boundary wikiPageWikiLink File:Undular_bore_waves_over_Arabian_Sea.jpg.
- Outflow_boundary wikiPageWikiLink Gustnado.
- Outflow_boundary wikiPageWikiLink Haboob.
- Outflow_boundary wikiPageWikiLink Heat_burst.
- Outflow_boundary wikiPageWikiLink Inflow_(meteorology).
- Outflow_boundary wikiPageWikiLink Insect.
- Outflow_boundary wikiPageWikiLink Lake-effect_snow.
- Outflow_boundary wikiPageWikiLink Mesocyclone.
- Outflow_boundary wikiPageWikiLink Mesoscale_convective_system.
- Outflow_boundary wikiPageWikiLink Mesoscale_meteorology.
- Outflow_boundary wikiPageWikiLink Microburst.
- Outflow_boundary wikiPageWikiLink Outflow_(meteorology).
- Outflow_boundary wikiPageWikiLink Prevailing_winds.
- Outflow_boundary wikiPageWikiLink Sea_breeze.
- Outflow_boundary wikiPageWikiLink Singularity_(mathematics).
- Outflow_boundary wikiPageWikiLink Squall_line.
- Outflow_boundary wikiPageWikiLink Storm-scale.
- Outflow_boundary wikiPageWikiLink Temperature.
- Outflow_boundary wikiPageWikiLink Thunderstorm.
- Outflow_boundary wikiPageWikiLink Tornado.
- Outflow_boundary wikiPageWikiLink Transverse_wave.
- Outflow_boundary wikiPageWikiLink Tropical_cyclogenesis.
- Outflow_boundary wikiPageWikiLink Undular_bore.
- Outflow_boundary wikiPageWikiLink United_States.
- Outflow_boundary wikiPageWikiLink Vertical_draft.
- Outflow_boundary wikiPageWikiLink Virga.
- Outflow_boundary wikiPageWikiLink Wake_low.
- Outflow_boundary wikiPageWikiLink Weather_front.
- Outflow_boundary wikiPageWikiLink Weather_radar.
- Outflow_boundary wikiPageWikiLink Weather_satellite.
- Outflow_boundary wikiPageWikiLink Westerlies.
- Outflow_boundary wikiPageWikiLink Wind.
- Outflow_boundary wikiPageWikiLink Wind_shear.
- Outflow_boundary wikiPageWikiLink File:DangerousShelfCloud.jpg.
- Outflow_boundary wikiPageWikiLink File:Microburstnasa.JPG.
- Outflow_boundary wikiPageWikiLink File:Outflow_bndry.png.
- Outflow_boundary wikiPageWikiLink File:Thunderstorm_with_lead_gust_front_-_NOAA.jpg.
- Outflow_boundary wikiPageWikiLinkText "Outflow boundary".
- Outflow_boundary wikiPageWikiLinkText "boundary".
- Outflow_boundary wikiPageWikiLinkText "gust front".
- Outflow_boundary wikiPageWikiLinkText "outflow boundaries".
- Outflow_boundary wikiPageWikiLinkText "outflow boundary".
- Outflow_boundary wikiPageWikiLinkText "outflow".
- Outflow_boundary wikiPageUsesTemplate Template:!.
- Outflow_boundary wikiPageUsesTemplate Template:Commons.
- Outflow_boundary wikiPageUsesTemplate Template:Convert.
- Outflow_boundary wikiPageUsesTemplate Template:Good_article.
- Outflow_boundary wikiPageUsesTemplate Template:Other_uses.
- Outflow_boundary wikiPageUsesTemplate Template:Redirect.
- Outflow_boundary wikiPageUsesTemplate Template:Reflist.
- Outflow_boundary wikiPageUsesTemplate Template:See_also.
- Outflow_boundary subject Category:Atmospheric_dynamics.
- Outflow_boundary subject Category:Wind.
- Outflow_boundary hypernym Boundary.
- Outflow_boundary type AnatomicalStructure.
- Outflow_boundary type Dynamic.
- Outflow_boundary type Thing.
- Outflow_boundary comment "An outflow boundary, also known as a gust front, is a storm-scale or mesoscale boundary separating thunderstorm-cooled air (outflow) from the surrounding air; similar in effect to a cold front, with passage marked by a wind shift and usually a drop in temperature and a related pressure jump. Outflow boundaries can persist for 24 hours or more after the thunderstorms that generated them dissipate, and can travel hundreds of kilometres (miles) from their area of origin.".
- Outflow_boundary label "Outflow boundary".
- Outflow_boundary seeAlso Downburst.
- Outflow_boundary seeAlso Wind_shear.
- Outflow_boundary sameAs Q1019652.
- Outflow_boundary sameAs Böenfront.
- Outflow_boundary sameAs Frente_de_ráfaga.
- Outflow_boundary sameAs Puuskarintama.
- Outflow_boundary sameAs Front_de_rafales.
- Outflow_boundary sameAs ガストフロント.
- Outflow_boundary sameAs Vindstøytfront.
- Outflow_boundary sameAs m.05hd3h.
- Outflow_boundary sameAs Q1019652.
- Outflow_boundary wasDerivedFrom Outflow_boundary?oldid=699648845.
- Outflow_boundary depiction Outflow_bndry.png.
- Outflow_boundary isPrimaryTopicOf Outflow_boundary.