Fronts

When I cold front is approaching, what happens?

• warm air is pushing under cold air causing humid weather and lower temperatures
• warm air is pushing under cold air causing humid weather and higher temperatures
• warm air rises, cools, and causes rain and thunderstorms
• cold air is pushed over warm air causing rain and thunderstorms

When a warm front is approaching, what happens?

• advancing cold air pushes up and over retreating warm air causing warm temperatures and mild rain
• advancing warm air pushes up and over retreating cold air causing warm temperatures and mild rain

A major difference between fronts is that

• in cold fronts, air masses are moving in the same direction
• in warm fronts, air masses are moving in opposite directions
• in cold fronts, air masses are moving in different directions
• air masses are moving against each other in both fronts

The symbol on a weather map for a cold front is what?

• a line with triangles on it
• a line with semi-circles on it
• a line with squares on it
• a line with circles on it

The symbol on a weather map for a warm front is what?

• a line with triangles on it
• a line with circles on it
• a line with semi-circles on it
• a line with circles on it

If an air mass is rising, it must be

• cold and less dense
• cold and more dense
• warm and more dense
• warm and less dense

If an air mass is sinking, it must be

• cold and less dense
• cold and more dense
• warm and more dense
• warm and less dense

In a high pressure area, the weather will likely be

• warmer and clear skies
• warm but cloudy
• cold and rainy
• cold and clear

In a high pressure area

• the winds will be moving clockwise
• the winds will be moving counter-clockwise
• the winds will be calm
• the air will be rising

In a high pressure systems

• there are few clouds because the air in moving downward
• there are many clouds because the air is very humid
• there are few clouds because the air is moving outward
• there are many clouds because the air is moving upward