Page 119 - ภาษาอังกฤษสำหรับสายวิทยาการอุตุนิยมวิทยา
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m. (1) The warm air slides over the wedge of colder air ahead of it.
(2) The warm air mass moves forward.
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n . (1) Clouds in the form of altostratus and cirrostratus appear.
(2) Stable warm air moves up the slope of the front and the temperature falls.
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0. (1) The fast moving cold front has passed.
(2) The weather clears rapidly, there is cooler drier air, and usually unlimited ceiling and
visibilities
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