Final answer:
The change in clouds from cirrostratus to cumulonimbus indicates the weather conditions will shift to heavy wind, rain, and a drop in temperature followed by clearing skies.
Step-by-step explanation:
The change in clouds from cirrostratus in the morning to cumulonimbus in the afternoon indicates a shift in weather conditions. Cumulonimbus clouds are associated with thunderstorms and heavy precipitation. Therefore, the student can expect heavy wind and rain followed by a drop in temperature and clearing skies for the afternoon and evening.