Show:
Blast from the Past I
No Air
Do I need an umbrella?
Weather or Not
Blast from the Past II
100
What is Geography?
What is happening where, and why
100
Why is the sky blue?
Rayleigh scattering
100
What is orographic lifting?
Lifting of an air mass when it encounters a topographic barrier (like a mountain)
100
What is the jet stream?
Narrow band of faster moving air near the tropopause
100
Which volcano would be more likely to erupt violently - Hawaii or Mt. Rainier?
Mt. Rainier
200
Is flooding part of a river's natural life cycle?
Yes
200
What is albedo?
Reflective property of a material
200
When a cold air mass and a warm air mass meet, and the cold air mass is advancing
What is a cold front?
200
What does the Coriolis Force do?
Deflects wind
200
Where do most earthquakes occur?
Along plate boundaries!
300
What is erosion?
The breakdown and transport of rock
300
Why does humidity effect human comfort?
Inhibits our ability to cool ourselves by sweating
300
Which way do mid-latitude cyclones move across the US? Why?
West to East, because of prevailing winds
300
The difference in pressure divided by the distance
What is the pressure gradient force?
300
What are the three main rock types?
What is igneous, metamorphic and sedimentary
400
Why do we need map projections?
Because we're making a two dimensional representation of a three dimensional object
400
What is stable air? What is unstable air?
Stable air is cooler than its surroundings and wants to stay in place; unstable air is warmer and wants to rise
400
What kind of pressure does a hurricane form around? Does that mean there is warm or cool air at the center?
What is low pressure; warm air
400
What precipitation condition dominates in each of the three cells?
Hadley - dry Ferrel - wet Polar - dry
400
Ocean currents are driven mainly by what?
Wind
500
What is plate tectonics?
The theory that the surface of the Earth is broken into rigid plates that move
500
Describe the three stages of thunderstorm development
Updraft Cumulus stage - building, no precip Mature - Tall clouds, strong updrafts and downdrafts, heavy precip Dissipating - anvil cloud is left, dominated by downdrafts, can spawn other new storms, but this storm is over
500
Describe tropical cyclone formation, you can use a picture if it helps
Tropical disturbance, tropical depression, tropical storm, hurricane! (hurricane designation at what wind speed?) What's required to keep the storm building thru each phase?
500
A cP air mass has what properties? How about mT?
cP - continental Polar, dry and cold! mT - maritime Tropical, wet and warm!
500
Which direction does a receding glacier move?
Down slope!