Alternating lines of blue and red on a surface weather chart indicate a(n)____.
A)cold front
B)warm front
C)stationary front
D)occluded front
E)dryline

Question

Quizplus · Accepted Answer

Stationary fronts are depicted on surface weather charts with alternating lines of blue and red, indicating that the front is not moving significantly. This contrasts with the symbols used for cold, warm, and occluded fronts, which are designed to show the direction of movement.

Alternating Lines of Blue and Red on a Surface Weather