University of Illinois
University of Illinois Extension: Ww2010: Atmospheric Pressure
This site from the University of Illinois describes what air pressure is and how it is measured. Explains high and low pressure areas, isobars, and how pressure changes with height.
CPALMS
Florida State University Cpalms: Florida Students: How's the Weather?
A tutorial that describes the five factors that determine the weather in a particular place and time. The factors discussed in this tutorial are air temperature, air pressure, humidity, wind, and precipitation. A PDF file of the tutorial...
University Corporation for Atmospheric Research
Ucar: What Is Weather?
Weather is the mix of events that happen each day in our atmosphere. Learn how weather events are controlled by air pressure, how Meteorologists predict the weather and the difference between weather and climate.
University of St. Andrews (UK)
University of St. Andrews: Climate and Weather Systems
This online lecture covers topics of air pressure, density and temperature.
TeachEngineering
Teach Engineering: Air Under Pressure
Students are introduced to air masses, with an emphasis on the differences between and characteristics of high - versus low-pressure air systems. Students also hear about weather forecasting instrumentation and how engineers work to...
University Corporation for Atmospheric Research
Ucar: How Weather Affects Air Quality
How is air pollution affected by weather? Some types of pollution are worse in the summer heat, while others are worse in cold winter weather.
Oklahoma Mesonet
Oklahoma Climatological Survey: Air Masses
This Oklahoma Climatological Survey explores how air masses form, as well as the weather formations, which tend to appear on the edges of these masses in what is known as a front.
TeachEngineering
Teach Engineering: Weather Basics
Students are introduced to the basics of the Earth's weather. Concepts include fundamental causes of common weather phenomena such as temperature changes, wind, clouds, rain and snow. The different factors that affect the weather and the...
Science Buddies
Science Buddies: Measure the Pressure
Scientists have developed an instrument called a barometer that can measure atmospheric pressure. In this activity, you will find out how a barometer works by building one yourself.
National Snow and Ice Data Center
National Snow and Ice Data Center: Factors Affecting Arctic Weather and Climate
An introduction to the factors that affect the Arctic's weather and climate: latitude, land/sea distribution, solar radiation, air temperature, air pressure, winds, humidity, clouds, and precipitation.
Utah Education Network
Uen: What Is a Barometer?
Learn about the barometer and how it helps to predict the weather.
University Corporation for Atmospheric Research
Ucar: Introduction to Climate
A detailed overview of the Earth's climate, with explanations about the difference between weather and climate, dendrochronology, palynology, and how Earth's climate has changed over time. All information is reinforced through pictures,...
TeachEngineering
Teach Engineering: Stormy Skies
Young scholars learn that wind and storms can form at the boundaries of interacting high and low pressure air masses. They learn the distinguishing features of the four main types of weather fronts (warm fronts, cold fronts, stationary...
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