A persistence forecast could be quite accurate when
A) a frontal system approaches your location at constant speed.
B) you are positioned in the middle of a large,stationary air mass.
C) the weather has been unusually cold for several days.
D) upper level winds blow straight from west to east.

Question

Quizplus · Accepted Answer

Persistence forecasting is based on the assumption that the weather conditions will remain the same as the previous day(s). Therefore, if you are positioned in the middle of a large, stationary air mass, the persistence forecast is likely to be quite accurate as the weather is unlikely to change significantly.

A Persistence Forecast Could Be Quite Accurate When