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.
e. when a warm front is approaching.
Question 2
Which forecasting method assumes that weather systems will move in the same direction and at the same speed as they have been moving?
a. persistence forecast
b. probability forecast
c. weather type forecast
d. climatological forecast
e. steady state (trend) forecast