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  <title>HYCOM data for gridded wind and pressure fields</title>
  <link rel="self" href="https://dlt-acc.firelay.cloud/en/c/message_boards/find_thread?p_l_id=4041874&amp;threadId=4496015" />
  <subtitle>HYCOM data for gridded wind and pressure fields</subtitle>
  <id>https://dlt-acc.firelay.cloud/en/c/message_boards/find_thread?p_l_id=4041874&amp;threadId=4496015</id>
  <updated>2026-05-12T15:58:17Z</updated>
  <dc:date>2026-05-12T15:58:17Z</dc:date>
  <entry>
    <title>HYCOM data for gridded wind and pressure fields</title>
    <link rel="alternate" href="https://dlt-acc.firelay.cloud/en/c/message_boards/find_message?p_l_id=4041874&amp;messageId=4496014" />
    <author>
      <name>Zoe Zimmerman</name>
    </author>
    <id>https://dlt-acc.firelay.cloud/en/c/message_boards/find_message?p_l_id=4041874&amp;messageId=4496014</id>
    <updated>2021-09-01T14:12:49Z</updated>
    <published>2021-09-01T14:12:49Z</published>
    <summary type="html">I am having trouble converting HYCOM data into a FM-readable format (gridded wind fields).&lt;ul style="list-style: disc outside;"&gt;&lt;li&gt;gridded p-field: &amp;#34;airprs&amp;#34; in file &amp;#34;&lt;a href="http://cfsv2-sec_2018_01hr_sfcprs.nc/"&gt;cfsv2-sec_2018_01hr_sfcprs.nc&lt;/a&gt;&amp;#34; has a scale_factor = 0.00390625f and offset = -29.236965f and add 100,000 to convert to Pa.&lt;/li&gt;&lt;/ul&gt;&lt;ul style="list-style: disc outside;"&gt;&lt;li&gt;gridded x-field: &amp;#34;wndewd&amp;#34; in file &amp;#34;&lt;a href="http://cfsv2-sec2_2018_01hr_uv-10m.nc/"&gt;cfsv2-sec2_2018_01hr_uv-10m.nc&lt;/a&gt;&amp;#34; has scale_factor = 0.0026041667f&lt;/li&gt;&lt;/ul&gt;&lt;ul style="list-style: disc outside;"&gt;&lt;li&gt;gridded y-field: &amp;#34;wndnwd&amp;#34; in file &amp;#34;&lt;a href="http://cfsv2-sec2_2018_01hr_uv-10m.nc/"&gt;cfsv2-sec2_2018_01hr_uv-10m.nc&lt;/a&gt;&amp;#34; has scale_factor = 0.001953125f&lt;/li&gt;&lt;/ul&gt;Has anyone written a code that converts these fields into an .amu, .amp, .amv format that Delft3D-FM can read? </summary>
    <dc:creator>Zoe Zimmerman</dc:creator>
    <dc:date>2021-09-01T14:12:49Z</dc:date>
  </entry>
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