A halo around the Sun or Moon indicates that rain may be on the way because the halo indicates a(n)
A)cold front may be approaching.
B)warm front may be approaching.
C)sharp drop in atmospheric pressure.
D)sudden rise in surface dew point temperature.
E)occluded front just passed.

Question

Quizplus · Accepted Answer

Halos around the Sun or Moon are caused by the refraction, reflection, and dispersion of light through ice crystals in the atmosphere, which are typically present in the high altitude cirrus clouds that precede a warm front. This indicates that a warm front may be approaching, often associated with an increase in moisture and the likelihood of precipitation.

A Halo Around the Sun or Moon Indicates That Rain