空中飞行时，透过座舱玻璃观测地面或空中目标的能见度。
同时，阵阵沙漠风刮起了层层灰尘和碎片，这导致能见度下降，也难以寻求任何空中支援。
Meanwhile, desert winds were kicking up sheets of dust and debris, which interfered with visibility and would complicate any attempt to scramble air support.
大风吹着空中的雪花，并把雪片从地面上吹了起来的，从而削减了能见度，并在地上堆成了大的雪堆。
The strong winds blow falling snow and pick snow up from the ground, cutting visibility and creating big snow drifts.
最糟糕的是，烟雾使地面和空中的能见度降到少于200米，交通陷入混乱。
At its worst, the smog is reducing visibility to less than 200 meters and disrupting traffic, both on the ground and in the air.
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