PPT-The link between tropical convection and the Northern Hemis

intraseaonal and interdecadal time scales Steven Feldstein The Pennsylvania State University September 11 2012 Collaborators Sukyoung Lee Tingting Gong Nat Johnson Changhyun. By Ross . Nuechterlein. Convection. Convection.  is the movement of molecules within fluids and is one of the major modes of heat and mass transfer in liquids and gas.. Buoyancy . Buoyancy.  is an upward acting force exerted by a fluid , that opposes an object's weight.. extratropical. circulation. Steven Feldstein and Michael Goss. The Pennsylvania State University. IUGG, Prague, June 25, 2015. Questions. :. . 1. . What is the relationship between interference, Arctic sea ice, and tropical convection and how does it impact the . Brian . Mapes. RSMAS. , University of Miami. Harvard, Oct 17 2009. (personal) historical moment. Two very old ideas. , . fiiinally. coming to fruition?. 1995: study convection sensitivities. inhibition vs. bulk instability (CAPE) controls. For a constant property, laminar flow a . similarity solution. exists for the flow field . u. (. y. ). local boundary layer thickness. local skin friction coefficient. average skin friction coefficient. Transfer of Energy as Heat. Energy moves as heat in three ways. Heat is always a transfer of energy from objects at a higher temperature to a lower temperature. There are 3 different ways this transfer of energy can happen. Alison Stirling . 21. st. September 2015. Contents. Verification measures for forecasts (Michael Whitall). Representing convection-wave interactions (some background). Verification measures for forecasts. reporter : Lin . Ching. Based on . Dunkerton, T. J., M. T. Montgomery, and Z. Wang, 2009: Tropical . cyclogenesis. in a tropical wave critical layer: Easterly waves. . Atmos. Chem. Phys.. , . 9. , 5587–5646.. http://glossary.ametsoc.org/wiki/. Tropical_cyclone. . http://glossary.ametsoc.org/wiki/. Tropical_cyclone. . Necessary, but not sufficient, conditions for tropical cyclogenesis. (Gray, 1968). Although the initial mechanisms by which tropical cyclones might form can vary from ocean basin to ocean basin, the process by which TCs develop should be similar globally. Keller and . Tackley. , 2009, Towards self-consistent modeling of the . martian. dichotomy: The influence of one-ridge convection on crustal thickness distribution, Icarus 202, 429-443. . The . dominant feature of the crustal thickness distribution obtained from one-ridge convection in the mantle is a characteristic, roughly elliptical shape that shows a striking first- order similarity to the shape of the . 1. V. – upstream velocity (approaching velocity). u. . - free stream velocity (relative velocity compare to the body). Chapter 7 : Convection – External Flow : Cylinder in cross flow . 2. Re. Conduction Convection . Radiation. Types of Heat transfer. Heat Transfer. Heat can be transferred in 3 ways. Conduction. Convection. Radiation. Heat flow depends on the temperature difference – . flows from hot to cold. of the UM in different parts of the world.. Humphrey Lean, Kirsty Hanley, Stuart Webster, Will Keat, Thorwald Stein, Todd Lane, Martin Jucker, Elizabeth Kendon and Giorgia Fosser. Met Office has run 1.5km UK version of Unified Model for about 10 years (UKV). . Why is it windy at the seaside?. Cold air sinks. Where is the freezer compartment put in a fridge?. Freezer compartment. It is put at the top, because cool air sinks, so it cools the food on the way down.. GOES infrared . b. rightness temperatures (BT) . are . used to . objectively identify . overshooting tops in tropical . convection (TOTs). TOT heights are . assigned using TOT BT and NWP . profiles..