Jet Stream
A wavy river of strong winds
Jet Stream
Immense rivers, flowing in the ocean
Ocean Currents
What kind of pressure happens when cold air is heavy and sinks?
High Pressure
During the day, the sun heats the land much faster than it heats the water. What kind of breeze does this create, and why?
Sea breeze. The warm air over the land rises and the cooler air over the sea is pulled into the land.
A southwesterly wind is coming from the __________ and headed towards the __________.
southwest, northeast
What causes the jet streams and the weather they create?
Uneven heating of the earth
A current that affects climate in the Eastern United States
Gulf Stream
What kind of pressure happens when warm air is light and rises?
Low Pressure
During the night, the air above the land cools more quickly than the air above the sea. What kind of breeze does this create, and why?
Land breeze. The warmer air over the sea rises, pulling out the cooler air from the land.
Air moving from high to low pressure causes ...
wind.
This jet stream passes over the southern part of the US
Subtropical Jet Stream
How does the Gulf Stream affect weather along the East Coast?
Warm water evaporates, causing rain or snow, and keeps the coast warmer when cold fronts come in.
Air always flows from ...
high to low pressure.
During the day, the sun heats up the air in the valley, and it rises, pulling air up the mountain. What is this breeze called?
Valley Breeze
True or False? Fronts are always found at high pressure systems.
False.
This jet stream dips over the Great Lakes region, and then returns north as it approaches the eastern coast
Polar Jet Stream
Brings warmer waters to the Pacific Coast
El Nino
Which pressure system means clear, sunny weather?
High Pressure System
At night, the air on top of the mountain cools and "falls," creating a breeze that blows down the mountain. What is this breeze called?
Mountain Breeze
Describe the weather at a cold front.
Bad weather - storm clouds and thunderstorms
Describe the weather brought by ridges and troughs of the Polar Jet Stream
Ridge (rise) - warm, dry weather
Trough (dip) - cold, rainy or snowy weather
Brings cooler waters and cooler-than-normal temperatures to the Pacific Coast
La Nina
Which pressure system means clouds and some type of rain or snow?
Low Pressure System
How do the breezes get their names?
They are named after the direction the breeze is coming from.
Describe the weather at a warm front.
Some clouds, mild weather. Drizzle or light snow.