Weather Observations Quiz

The following list shows the weather observations during a summer day in an area of North Carolina: - winds changing and beginning to blow from the north - falling atmospheric pressure - cumulonimbus clouds moving in Based on these observations, what weather conditions will likely exist before the day is over?

• clear skies and cooler temperatures

• light rain and warmer temperatures

• heavy rain and warmer temperatures

• thunderstorms and cooler temperatures

The barometer measured a drop in air pressure over a 12-hour period. Which type of weather would this most likely indicate?

• cold

• fair

• rainy

• warm

Which best describes the Gulf Stream?

• an ocean current which originates in the Gulf of Mexico and causes warm water to travel up the east coast of the United States

• an ocean current which originates in the Gulf of Mexico and causes cool water to travel up the east coast of the United States

• an ocean current which originates in the Gulf of Mexico and causes warm water to travel down the east coast of Mexico

• an ocean current which originates in the Gulf of Mexico and causes cool water to travel down the east coast of Mexico

Which of these weather conditions can be used to predict a change in weather?

• temperature and humidity

• air pressure and humidity

• air pressure and types of clouds

• temperature and types of clouds

Which would most likely lead to the development of a thunderstorm on a summer day?

• warm, moist air

• cool, moist air

• warm, dry air

• cool, dry air

Michael collected air pressure data for the week. His results are shown in the chart below:

• clear and cold

• clear and warm

• cloudy and rainy

• cloudy and humid

The air pressure continues to drop as a hurricane approaches. Which is the best prediction of how this will affect the storm?

• The storm will get weaker.

• The storm will move faster.

• The storm will move slower.

• The storm will get stronger.

Which best explains why the snow was gone by Monday?

• A. A high-pressure system increased the temperature.

• B. The nighttime land breeze increased the temperature.

• C. The jet stream moved south and increased the temperature.

• D. Warm air from the Gulf Stream increased the temperature.

Which will most likely be the effect on cloud cover when there is a stationary front in an area?

• A. Low, thick clouds will remain in the area while the front remains stationary.

• B. Light, wispy clouds will remain in the area while the front remains stationary.

• C. Light, variable winds will partly clear the skies until the front begins to move.

• D. High winds will blow clouds away, and skies will be clear and sunny until the front begins to move.

Which will be the effect of a warm front moving into an area?

• A. Light precipitation will begin as the front arrives and remain after the front is gone.

• B. Light precipitation will begin as the front arrives and clear after the front is gone.

• C. Skies will clear as clouds are moved by the front and grow cloudy after the front is gone.

• D. Skies will clear as clouds are moved by the front and remain clear after the front is gone.