Exam 13: Weather Forecasting

The principle that "surface weather systems tend to move in the same direction and at approximately the same speed as they have been moving" forms the basis of which type of forecasting method?

By examining a surface map, the movement of a surface low-pressure area can be predicted because ____.

An anticyclone is moving slowly eastward. Southerly winds on the western side of the system will bring warmer and more humid air to the region. Therefore, afternoon temperatures will be warmer than those of the day before.

Warm advection is most likely to occur ____.

List some of the factors that affect the accuracy of atmospheric models.

How are computer-generated weather forecasts prepared?

Describe how weather predictions are a critical tool for many parts of an advanced nation's economy.

Meteorologists interpret the weather patterns and then correct any errors that may be present. The final chart is referred to as a prediction.

Stating that the chance of rain is 60 percent means that there is a 60 percent chance that it will rain within the forecast area.

Given a map with isallobars, high-pressure systems tend to move where the isallobars indicate ____________________ values, and low-pressure systems move where the isallobars are ____________________.

Suppose that where you live, the middle of January is typically several degrees warmer than the rest of the month. If you forecast this "January thaw" for the middle of next January, you have made a(an)____ type of weather forecast.

The forecasting of weather by a computer is known as ____.

A forecast that extends beyond three days is often called an extended forecast.

Assuming you know last night's minimum temperature, what weather information would you use to predict tonight's minimum temperature?

Which weather advisory is issued when falling or blowing snow and winds of at least 35 miles per hour restrict visibility to less than 1/4 mile for several hours?

Meteorological cancer is when ____.

Weather forecasts are commonly grouped according to how far into the future the forecast extends.

Lines connecting points of equal pressure change are called ____.

Which of the following is least likely to be a condition associated with an omega high?

Suppose that where you live, the middle of January is typically several degrees warmer than the rest of the month. If you forecast this "January thaw" for the middle of next January, you would have made a ____.