At the beginning of the numerical weather prediction process, ...

[Chloeellawright]

At the beginning of the numerical weather prediction process, weather observations provide the ___________________ _ ___________________ _ upon which data assimilation and the other steps of the process will proceed.
 Fill in the blank(s) with correct word

Question 2

The ___________________ _ ___________________ _ is based in the idea that history repeats itself.
 Fill in the blank(s) with correct word

[Kedrick2014]

Answer to Question 1

initial conditions

Answer to Question 2

analog forecast