Exam 13: Weather Forecasting

According to the National Weather Service,the subjective term "fair" implies a rather pleasant weather situation.

A weather watch would probably be issued for which of the following conditions?

A weather warning indicates that

What local signs in the natural world can you look to to predict the weather?​

Soundings $\underline { \text { only} }$ provide information that aids in the prediction of fog,air pollution alerts,and the downwind mixing of strong winds.

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

These days the precise location where a tornado will form can be predicted up to 7 days in advance.

A persistence forecast could be quite accurate when

A forecast of an extended period of dry weather would be made for a region beneath

With the ____ method,a forecaster might look at a prog and say "I've seen this weather situation before,and so and so happened,so I think the same thing will happen here."

Describe the difference between persistence and steady-state forecasts.

Warm advection occurs when the​

Lines connecting points of equal pressure change are called

The analysis of a(n)____ can be especially helpful when making a short-range forecast that covers a relatively small area,such as the mesoscale.​

Doppler radar is helpful for measuring precipitation,but not wind.

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

Surface pressure systems tend to move in the same direction as the wind at 5500 m (18,000 ft)-the 500-mb level.The speed at which surface systems move is about double the speed of the winds at this level.

____________________,which includes more than 175 nations-is responsible for the international exchange of weather data and certifies that the observation procedures do not vary among nations.

A blocking high is a

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.