Incomplete question. However, I provided general sample image descriptions of each weather condition as found on the ownyourweather website.
Explanation:
1. The first weather symbol is often used to represent days of gray skies behind the front.
2. The second weather symbol represents expected Thunderstorms along the front.
3. The third weather symbol indicates a period of sunny skies along the front.
4. The third weather symbol is associated with Humid air conditions behind the front.
