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- Free_convective_layer abstract "In atmospheric sciences, the free convective layer (FCL) is the layer of conditional or potential instability in the troposphere. It is a layer of positive buoyancy (PBE) and is the layer where deep, moist convection (DMC) can occur. On an atmospheric sounding, it is the layer between the level of free convection (LFC) and the equilibrium level (EL). The FCL is important to a variety of convective processes and to severe thunderstorm forecasting.It is the layer of instability, the "positive area" on thermodynamic diagrams where an ascending air parcel is warmer than its environment. Integrating buoyant energy from the LFC to the EL gives the convective available potential energy (CAPE), an estimate of the maximum energy available to convection. The depth of the FCL is expressed by the formula: FCL = ZEL - ZLFC or FCL = PEL - PLFCDeep, moist convection is essentially a thunderstorm, it is cumulus congestus clouds or cumulonimbus clouds. An air parcel ascending from the near surface layer (mixed layer or boundary layer) must work through the stable layer of convective inhibition (CIN) when present. This work comes from increasing instability in the low levels by raising the temperature or dew point, or by mechanical lift. Without the aid of mechanical forcing, a parcel must reach its convective temperature (Tc) before moist convection (cloud) begins near the convective condensation level (CCL}, whereas with dynamic lift, cloud base begins near the lifted condensation level (LCL). This will remain as shallow, moist convection (small cumulus clouds) until breaking through the convective inhibition layer, after which DMC ensues as a parcel hits the LFC and enters the FCL, if thermal or mechanical forcing continues. At the level of neutral buoyancy (the EL), a parcel is cooler than the environment and is stable, so it slow down, eventually ceasing at the maximum parcel level (MPL).".
- Free_convective_layer thumbnail Meteorology_thermodynamic_en.svg?width=300.
- Free_convective_layer wikiPageExternalLink convective_indices.pdf.
- Free_convective_layer wikiPageID "11582749".
- Free_convective_layer wikiPageLength "2946".
- Free_convective_layer wikiPageOutDegree "35".
- Free_convective_layer wikiPageRevisionID "655916666".
- Free_convective_layer wikiPageWikiLink Air_parcel.
- Free_convective_layer wikiPageWikiLink Atmospheric_convection.
- Free_convective_layer wikiPageWikiLink Atmospheric_sciences.
- Free_convective_layer wikiPageWikiLink Atmospheric_sounding.
- Free_convective_layer wikiPageWikiLink Atmospheric_thermodynamics.
- Free_convective_layer wikiPageWikiLink Buoyancy.
- Free_convective_layer wikiPageWikiLink Category:Atmospheric_thermodynamics.
- Free_convective_layer wikiPageWikiLink Category:Severe_weather_and_convection.
- Free_convective_layer wikiPageWikiLink Cloud.
- Free_convective_layer wikiPageWikiLink Cloud_base.
- Free_convective_layer wikiPageWikiLink Convective_available_potential_energy.
- Free_convective_layer wikiPageWikiLink Convective_condensation_level.
- Free_convective_layer wikiPageWikiLink Convective_inhibition.
- Free_convective_layer wikiPageWikiLink Convective_instability.
- Free_convective_layer wikiPageWikiLink Convective_temperature.
- Free_convective_layer wikiPageWikiLink Cumulonimbus_cloud.
- Free_convective_layer wikiPageWikiLink Cumulus_cloud.
- Free_convective_layer wikiPageWikiLink Cumulus_congestus_cloud.
- Free_convective_layer wikiPageWikiLink Dew_point.
- Free_convective_layer wikiPageWikiLink Equilibrium_level.
- Free_convective_layer wikiPageWikiLink Fluid_parcel.
- Free_convective_layer wikiPageWikiLink Integral.
- Free_convective_layer wikiPageWikiLink Level_of_free_convection.
- Free_convective_layer wikiPageWikiLink Lifted_condensation_level.
- Free_convective_layer wikiPageWikiLink Maximum_parcel_level.
- Free_convective_layer wikiPageWikiLink Mixed_layer.
- Free_convective_layer wikiPageWikiLink National_Weather_Service.
- Free_convective_layer wikiPageWikiLink Planetary_boundary_layer.
- Free_convective_layer wikiPageWikiLink Potential_instability.
- Free_convective_layer wikiPageWikiLink Temperature.
- Free_convective_layer wikiPageWikiLink Thermodynamic_diagrams.
- Free_convective_layer wikiPageWikiLink Thunderstorm.
- Free_convective_layer wikiPageWikiLink Troposphere.
- Free_convective_layer wikiPageWikiLink Weather_and_Forecasting.
- Free_convective_layer wikiPageWikiLink Work_(thermodynamics).
- Free_convective_layer wikiPageWikiLink File:Meteorology_thermodynamic_en.svg.
- Free_convective_layer wikiPageWikiLinkText "Free convective layer".
- Free_convective_layer wikiPageWikiLinkText "free convective layer (FCL)".
- Free_convective_layer wikiPageWikiLinkText "free convective layer".
- Free_convective_layer wikiPageWikiLinkText "positive area".
- Free_convective_layer hasPhotoCollection Free_convective_layer.
- Free_convective_layer wikiPageUsesTemplate Template:Climate-stub.
- Free_convective_layer wikiPageUsesTemplate Template:Meteorological_variables.
- Free_convective_layer subject Category:Atmospheric_thermodynamics.
- Free_convective_layer subject Category:Severe_weather_and_convection.
- Free_convective_layer hypernym Layer.
- Free_convective_layer type AnatomicalStructure.
- Free_convective_layer type Science.
- Free_convective_layer type Thermodynamic.
- Free_convective_layer comment "In atmospheric sciences, the free convective layer (FCL) is the layer of conditional or potential instability in the troposphere. It is a layer of positive buoyancy (PBE) and is the layer where deep, moist convection (DMC) can occur. On an atmospheric sounding, it is the layer between the level of free convection (LFC) and the equilibrium level (EL).".
- Free_convective_layer label "Free convective layer".
- Free_convective_layer sameAs 自由対流層.
- Free_convective_layer sameAs m.02rk41x.
- Free_convective_layer sameAs Q5500209.
- Free_convective_layer sameAs Q5500209.
- Free_convective_layer wasDerivedFrom Free_convective_layer?oldid=655916666.
- Free_convective_layer depiction Meteorology_thermodynamic_en.svg.
- Free_convective_layer isPrimaryTopicOf Free_convective_layer.