During a winds from the northwest sweep toward the persian gulf, often causing major sandstorms.

The answer is "Shamal" . I hope this helps.. ; )

d. shamal  (wind)

Explanation:

The shamal means a northwesterly wind that blows over the Iraq and the Persian Gulf, includes Saudi Arabia and the Kuwait winds decrease in the night time and mostly occur in the summer. Thus winds create a sand storm that impacts most of the Iraq and Jordan and lasts for about three to five days. The wind speeds can reach up to 70 km/hr as it damages both life and property.

This would be an open primary. a closed primary people can vote only prior to election day if the party if they are registered. independent voters can not participate. there is not a wide-open primary, but there is a semi-open primary.