PPT-Air Masses and Weather Fronts

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. Fronts • Weather observations are plotted on a station model (circle ) • Air temperature (T) is plotted in the upper left • Dew Point temperature (T D ) is plotted in the lower Dr. . Hooda. . What is an air mass?. A large body of air having nearly uniform conditions of temperature and humidity at any given altitude.. Warm air. forms over . tropical. regions near the equator. . 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. 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 . 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 . 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). . Connecting the Weather. Air Masses. Fronts. Jet Stream. Quiz. Midweek Seminars. Meteorology – Jet Streams Fronts and Air Masses. Air Masses. A mass . of air takes on Temperature and Moisture from where the . 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. © 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 . is the study of atmospheric phenomena.. The Causes of Weather. Weather and Climate. Weather. is the current state of the atmosphere, including short-term variations that affect our lives.. The Causes of Weather. The Causes of Weather. Objectives:. Compare and contrast weather and climate. Analyze how imbalances in the heating of the Earth’s surface create weather. Describe how and where air masses form. Meteorology is the study of atmospheric phenomena, from the ancient Greek meteor “high in the air”. . & . 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:. Fronts occur in the boundary zone between polar and tropical air masses.. World War I Aerial Photograph. trenches. trenches. “No man’s land”. Ben Franklin’s Storm. (Nov. 2, 1743). Philadelphia.