21. Now the American troops are fighting fierce desert flies, sand storms and, most of all, homesickness. 22. Deserts in the northwest are gradually encroaching on populated areas, worsening sand storms that strike cities. 23. His lungs had suffered in sand storms during his stays in the desert, leading to silicosis. 24. After refueling, they flew into a sand storm and heavy fog which created near-zero visibility conditions. 25. Increasingly frequent dust and sand storms and impending global water shortages will also headline the three-day summit. 26. Despite tightly sealed seams, dust from southern Iraq's sand storms snaked up black hoses leading to monitors. 27. Feb . 4, 1991 : Yesterday we had such a sand storm that it blew like dust. 28. A terrible sand storm develops, and Chalk tries to stampede the horses, killing Frazee with his own gun. 29. However, the operation was delayed because of a sand storm ; meanwhile, the kidnapped were moved to another location. 30. Sand storms are common in summer.
