Which of the following is the least likely to be a forecaster's rule of thumb?
A)For short time intervals, mid-latitude cyclonic storms and fronts tend to move in the same direction and at approximately the same speed as they did during the previous six hours.
B)Low-pressure areas tend to move in a direction that parallels the isobars in the warm air sector.
C)Lows tend to move toward the region of greatest pressure drop.
D)Highs tend to move toward the region of greatest pressure drop.
E)A "chance of rain" means that the chance of rain is 30 to 50 percent.

Question

Quizplus · Accepted Answer

High-pressure systems (highs) tend to move toward areas of lower pressure, but they do not specifically target the regions of greatest pressure drop as low-pressure systems (lows) do. The statement about highs is less a rule of thumb for forecasting weather patterns compared to the other options, which are more directly related to observable and predictable behaviors of weather systems.

Which of the Following Is the Least Likely to Be