PPT-FRONTS (Chapter 11, pp. 305–319)

Fronts occur in the boundary zone between polar and tropical air masses World War I Aerial Photograph trenches trenches No mans land Ben Franklins Storm Nov 2 1743 Philadelphia. and fronts. Review of last lecture. Tropical cyclone structure: 3 major components, rotation direction of inflow and outflow, location of maximum wind and rainfall, 3 feedbacks. Tropical cyclone destruction: 4 reasons? Which side has the most intense destruction? . AOS 101 Weather and Climate. Lisha. M. . Roubert. University of Wisconsin-Madison. Department of Atmospheric & Oceanic Sciences. Fronts: The Boundaries between Air Masses. A front is defined as the transition zone between two air masses of different density. . 8. th. Grade. Definition. Weather front – The area where two air masses meet and do not mix.. Front and Weather. Different types of fronts produce different patterns of weather. . There are four types of weather fronts:. “Whirlwind Theory”. Rotation. Coriolis. Espy. Convergence into Low. PGF. 1841. Loomis. Rotation AND Convergence. 1860. Early Maritime Observations (Winds). http://m.nautil.us/issue/25/water/the-dueling-weathermen-of-the-1800s. An . air mass. is a . large . pool of air having similar temperature and moisture . characteristics. . An air mass occupies thousands of square miles of the Earth's surface. Air masses are . created . CHAPTER7-FRONTS:CONCEPTUALMODELSANDANALYSIS;NON-FRONTALSYSTEMS7.1Conceptualmodels-frontsandconveyorbeltsConceptualmodelsprovidetheframeworkforthevisualizationandinterpretationofsatelliteandradarimager What’s the difference?. Air Mass. An . air mass . is a large volume of air with the same temperature and moisture content.. As an . air mass . forms, it takes on the characteristics of the area over which it develops.. We will go over how to upload your file into canvas together.. Wanted Poster Requirements. You are making two posters.. The name and a picture of the Pressure Systems.. The way they circulate . (clockwise or counterclockwise). . 1. An air mass is a wide-spread section of the troposphere with uniform . temperature . and . humidity . (moisture). 2. The source region is the geographic location the air mass developed over. . If air settles over one location for a long time, it develops the characteristic temperature and moisture of the area.. Access 2017 Customer Satisfaction Survey December 11, 2017 The Fairfax Research Group Methodology Telephone survey Customers who rode with Access at least once in the previous six months Conducted in October 2017 Scattering Group, Advanced Science Research Center, Energy Research Institute, Ibaraki 319-1195 Scattering Laboratory, ISSP, The University of Tokyo, Tokai, Ibaraki 319-1106 1 a a 1 3 4 5 . Scattering Group Advanced Science Research Center Energy Research Institute Ibaraki 319-1195 Scattering Laboratory ISSP The University of Tokyo Tokai Ibaraki 319-1106 1 a a 1 3 4 5 1 Lisha. M. . Roubert. University of Wisconsin-Madison. Department of Atmospheric & Oceanic Sciences. Fronts: The Boundaries between Air Masses. A front is defined as the transition zone between two air masses of different density. . & . the weather they bring. Have you ever wondered why we get certain kinds of weather…cloudy days with lots of rain…sudden storms, then cooler weather…?. All weather happens because of the 4 types of fronts & how they interact:.