PPT-Air Masses and Fronts Source regions for North American

air masses An Air Mass is an immense body of air some 1600 km 1000mi across and 13 km 6 to 19mi thick with relatively homogeneous physical properties density T and moisture at a given altitude. Great Flood of 1937. 70% of Louisville was submerged. 3.3 billion in damages. Crest - 85.4 ft. (Flood Stage – 55 ft.). 15 inches of rain in 12 days. Chapter 1: Monitoring the Weather (Basics). One of the Deepest Extratropical Cyclones Ever Recorded. 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:. 10/2/12. Weather changes as air masses move.. ____________- large volume of air where temperature and humidity are the _________ at different altitudes.. Air masses can cover thousands of square miles. the. Weather. Sun = Energy driving weather. Equator = warm; Poles = cold .  . why. ?. Daytime: air over land warmer than over water; reverse at night. .  . why. ?. Convection currents . Forecasting Weather. Now that Meteorologists understand the factors that affect weather they must put all of this together to create . weather maps. and to determine . weather patterns. .. Together weather maps and weather patterns are very helpful in . 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). . Lecture . 15: Air Masses & Fronts. MET 102 Pacific Climates and Cultures. Discussion Questions – Clark 2011 . What are the different general types of ai. r masses?. Maritime Tropical (. mT. ). Maritime Polar (. Lecture 5. AL-MUSTANSIRIYAH . UNIVERSITY . COLLEGE OF SCIENCES. ATMOSPHERIC SCIENCES DEPARTMENT .  . Dr. . Sama. Khalid Mohammed. SECOND . CLASS . 1. Air mass is a large body of air having nearly uniform conditions of temperature and moisture. © U.S. Coast Guard . Auxiliary Association. No attempts to add, modify or delete information contained within this document shall be made. If errors are discovered, please contact the U.S. Coast Guard Auxiliary’s National Training . ATMO 1300. Summer II . 2017. Air Mass. A large body of air in which there are similar horizontal temperature and moisture properties.. . Properties largely acquired from underlying surface. Air masses can cover thousands of miles. & . 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:. Air masses. A body of air with similar characteristics throughout. Humidity. . and . temperature. are the two main characteristics used to classify air masses.. The “first name” of an air mass describes the humidity of the air mass.. Weather Maps. Storms. Weather Maps. Weather Stations. Show the following data. in a concise way:. . - cloud cover. . - wind direction. . - wind speed. . - temperature. . - precipitation. .