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      <marc:subfield code="a">Webb, M. S. </marc:subfield>
      <marc:subfield code="q">(Michael S.)</marc:subfield>
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      <marc:subfield code="a">An approach to forecasting low surface humidities at night in the Rocky Mountains / </marc:subfield>
      <marc:subfield code="c">by M.S. Webb.</marc:subfield>
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      <marc:subfield code="a">Méthode de prévision des faibles humidités de surface, la nuit, dans les montagnes rocheuses</marc:subfield>
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      <marc:subfield code="c">Feb. 10, 1966.</marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Environment and Climate Change Canada].</marc:subfield>
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      <marc:subfield code="a">"CIR 4377."</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (page 9).</marc:subfield>
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      <marc:subfield code="a">"Low surface relative humidities at night in the Rocky Mountains can increase significantly the flammability of forested areas. Through  examination of the wind and temperature characteristics of the air stream aloft, an approach to forecasting these low humidity occurrences is presented. The extent to which the airstream characteristics favour lee wave formation during these occurrences is discussed"--Abstract.</marc:subfield>
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      <marc:subfield code="a">Text in English; abstract in English and French.</marc:subfield>
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