PPT-A Brief History of Midlatitude Cyclones

Matthew Vaughan Espy 1841 Linked cyclones with clouds and precipitation Believed cyclones were powered by the caloric of elasticity of water vaporCISK Carried out numerous experiments to estimate moist and dry adiabatic lapse rates. sting-jet . extratropical cyclones in ERA-Interim. Oscar Martinez-Alvarado . (. O.MartinezAlvarado@reading.ac.uk. ). Suzanne Gray. Department of Meteorology. University of Reading. EGU General Assembly 2010. Recent Re-Analyses. . Kevin Hodges. Lennart. . Bengtsson. and Robert Lee. 1. Motivation. 2. . Extra-tropical cyclones:-. Important components of the general circulation.. How should they be verified for distribution and properties?. the North Atlantic. Suzanne Gray. Neil . Hart . (now at . Univ. Oxford), . and . Peter Clark. 1. Department of Meteorology. What is a sting jet?. 2. Transient (few hours), mesoscale (~50km spread) jets of air descending from the tip of the hooked cloud head in the frontal fracture regions of some extratropical storms.. What is a cyclone?. A cyclone is a violent rotating storm.. They are called hurricanes . or typhoons in the northern hemisphere.. What conditions form cyclones? . Warm t. ropical waters fuel . the storms and . Fig. 2 shows the largest spatial differences occur between the older JRA-25 reanalysis when compared with the newer high resolution reanalyses (ERA-Interim) (top), particularly in the Southern Hemisphere (top right).. the Marine Boundary Layer. Henry Potter & Tripp Collins. Raphael Ramos, Neil Williams, Will . Drennan. , Hans Graber. Abstract. Materials & Methods. Results. Conclusions. Objectives. Future Work. ATMO 1300. Summer II . 2017. Extra-Tropical Cyclones and Anticyclones, Chapter 10. ATMO 1300. Summer II 2016. Norwegian Cyclone Model. Midlatitude. Cyclone Lifecycle. Strengthening and failure mechanisms. BFB: 10/20/2015. Zach Hiris & Phil Pascerelli. Purpose of Mid-Latitude Cyclones. What is the role of mid-latitude cyclones in the atmosphere? . Balance the temperature gradient. Gradient forms because heating is . By Rick . Garuckas. and Andrew . Calvi. Role of Mid-latitude Cyclones. Reduce temperature gradients/. baroclinicity. .. Convert potential energy to kinetic energy . . 1. Although these processes bring the atmosphere closer to a balanced state, a perfectly balanced state is never achieved. . Progression of Tropical Events. Easterly Wave (Tropical Disturbance). Tropical Depression. Tropical Storm. Hurricane. 10-25%. 50-60%. Easterly Wave. Tropical Cyclones and Sea-Surface Temperatures. What are cyclones?. This . is . important . when we're talking about ocean storms because the location of the storm determines what we call it. I. f . the storm occurs in the Atlantic Ocean and Northeast Pacific, it's called a hurricane. If the exact same type of storm occurs in the Northwest Pacific, this is a typhoon. And if we find those same storms in the South Pacific and Indian Ocean, these are called tropical cyclones. . Are there any patterns on the wind direction animation?. Using evidence from the Sea Surface Temperature and Wind Speed map can you say why we get ocean currents?. Ocean currents and sea surface temperature . Review. For Next Class: . Study!! Bring a #2 pencil.. Extratropical Cyclones. Where are favored locations for extratropical cyclone formation in the contiguous U.S.?. Climatically Favored . Regions . A.V. Soloviev. 1. , C.W., B. Vanderplow. 1. , R. Lukas. 2. 1. Nova Southeastern University, Dania Beach, Florida, USA. 2. University of Hawaii, Honolulu, Hawaii, USA. 7 May 2020. EGU 2020 (online). Motivation.