In developing weather forecasts, which data would be most helpful to predict changes in weather?(1 point)
Responses
levels of precipitation and types of clouds
levels of precipitation and types of clouds
number of recent thunderstorms and tornadoes sighted in an area
number of recent thunderstorms and tornadoes sighted in an area
the density of air and humidity levels
the density of air and humidity levels
temperature and moisture levels of moving air masses
temperature and moisture levels of moving air masses
Which best describes a major difference in the quality of weather information between daily and long-range forecasts?(1 point)
Responses
A daily forecast is more accurate than a long-range forecast.
A daily forecast is more accurate than a long-range forecast.
A daily forecast is less dependable than a long-range forecast.
A daily forecast is less dependable than a long-range forecast.
The daily forecast is less scientific than a long-range forecast.
The daily forecast is less scientific than a long-range forecast.
The daily forecast is more general than a long-range forecast.
A daily forecast is more accurate than a long-range forecast.
What happens in a low-pressure system?(1 point)
Responses
The temperature changes.
The temperature changes.
The wind has less intensity.
The wind has less intensity.
There is no precipitation.
There is no precipitation.
The sky is clear.
The wind has less intensity.
Why is there more concern for severe storms in low-pressure systems? Hint: What happens in a low-pressure system?(1 point)
Responses
Low-pressure systems contain cold dry air and push the moisture ahead.
Low-pressure systems contain cold dry air and push the moisture ahead.
Warm air is forced up from below causing high winds and precipitation.
Warm air is forced up from below causing high winds and precipitation.
Warm humid air gently follows over the system causing gentle showers.
Warm humid air gently follows over the system causing gentle showers.
Air rises higher in the atmosphere and holds less water vapor which will cause rain or snow.
Warm air is forced up from below causing high winds and precipitation.
Explain why weather can be predicted only as probable, not definite.(1 point)
Responses
Predicting the future is pointless.
Predicting the future is pointless.
There are too many variables to be 100% accurate.
There are too many variables to be 100% accurate.
Only by watching the birds can the weather be known.
Only by watching the birds can the weather be known.
As our models improve we will be able to reach 100% accuracy.
There are too many variables to be 100% accurate.
What is the relationship between land, water, and heat?(1 point)
Responses
Land and water heating evenly results in the same pressure over both.
Land and water heating evenly results in the same pressure over both.
Sun heats land and water unevenly, creating high & low pressure systems.
Sun heats land and water unevenly, creating high & low pressure systems.
Everything under the same sun heats and cools the same.
Everything under the same sun heats and cools the same.
Land heats and cools slowly, water heats and cools fast.