Weather Notes

I. Climate vs. Weather

  1. Climate is the ______of weather in a particular area

Example: Florida’s climate is ______& more ______than Montana’s climate.

  1. Weather is the ______changes in the atmosphere

Example: Miami’s high for the day is ______with ______skies.

II. Humidity

  1. Humidity is the amount of ______in the air.
  2. Where in the water cycle is energy needed to increase humidity?
  1. Maritime climates are located on the ______and experience ______changes in temperature throughout the day and year.
  2. The ______in the ocean helps keep temperature stable and unchanging
  1. Cool surface currents bring ______, ______air to the surrounding areas.
  1. Warm surface currents bring ______. ______air to surrounding areas.
  1. Continental climates are located in the middle of a ______and experience ______changes in temperature.

II. Pressure Systems

Pressure systems affect ______in the air, but generally not temperature.

A. High Pressure

1. High pressure areas form when ______, denser air begins to ______

2. In the Northern Hemisphere it swirls clockwise and blasts ______, ______air back down on

the ground

3. Brings _____, ______, and ______weather.

4. No clouds or rain. Just beautiful ______sunny days.

B. . Low Pressure

1. Low pressure forms when ______air begins to ______into the atmosphere

2. In the Northern Hemisphere it swirls counterclockwise and pulls moist, ______air _____ with it.

3. The warm humid air at higher elevations forms ______and ______

4. The L is for ______weather.

Hurricanes

a. Hurricanes are massively huge ______pressure systems that develop throughout the ______and ______in the ______waters.

b. Hurricanes fall apart as they travel over ______because it doesn’t have the warm ocean to feed it with ______and ______.

IV. Fronts

Big dramatic changes in air ______come from moving fronts.

A front is the boundary or ______between 2 different types of ______.

A. Warm Fronts generally move from the ______and bring ______, ______air with them. (Draw arrows on front to indicate its direction it is moving.)

B. Cold Fronts generally move from the ______and bring ______, ______air with them (Draw arrows on front to indicate its direction it is moving.)

If there is enough ______in the air, you will usually experience ______and ______as the cold front moves through the area. Colder temperatures cause ______water in the air to ______into liquid water.

C. Stationary Fronts do not move much due to warm and cold air masses that collide with ______and ______forces. This causes the rainy weather to ______for a while.

D. Occluded Fronts: are formed when a cold front ______a warm front.

-warm air gets caught between 2 colder air masses.

-They are associated with ______temperatures large amounts of ______&/or snow.

Pacific Temperature Oscillation

A. Normal Trade Winds in Western Pacific blow ______to ______.

Causes:

-______of cold, nutrient rich water off the coast of South America

-______in Asia & Australia

-______conditions in Americas

B. El Nino results when trade winds ______in strength & may even reverse direction.

Causes :

-______in Asia & Australia

-______in Americas

-______in upwelling

C. La Nina occurs when trade winds blowing east to west are ______than normal

-______in Asia & Australia

-______in Americas

-______in upwelling


VI. Use the map below to draw the current conditions across the country as shown by www.weather.com.


VI. Use the map below to draw the current conditions across the country as shown by www.weather.com.