The most important use of ensembles is to A) give information ...

[mckennatimberlake]

The most important use of ensembles is to
 
  A) give information about uncertainty.
  B) test the predictive ability of different models.
  C) settle questions as to which country's weather service is the best at predicting the weather.
  D) create accurate long-term forecasts of two to four weeks.

Question 2

List two methods used by scientists at the Climate Prediction Center as they prepare long-range forecasts.
 
  What will be an ideal response?

[braelync]

Answer to Question 1

Answer: A

Answer to Question 2

Answer: Any two of these:
(i) climatology
(ii) numerical models
(iii) statistics
(iv) subjective judgment

[mckennatimberlake]

Wow, this really help

[Sarahjh]

Excellent