These countries occupy the Horn of Africa.

1. Djibouti
2. Eritrea
3. Ethiopia
4. Rwanda
5. Somalia
6. South Africa
7. Sudan

1. Djibouti

2. Eritrea

3. Ethiopia

5. Somalia

Explanation:

The Horn of Africa is part of the African continent that has the shape of a horn, thus the name of it. It is located in the northern part of Eastern Africa. The area is mostly dominated by a high plateau, while the coastal parts have coastal plains. The four countries that occupy territory on the Horn of Africa are:

Ethiopia is the largest country in this part of Africa, and it occupies the central and western parts of it. Somalia is the second largest country here, and it occupies the majority of the eastern coast. Eritrea an Djibouti are the two smaller countries on the Horn of Africa, occupying its north and northeastern part.

i think it's severe storms but i might be wrong