 or not.</span>

<span class="sd">    Return</span>
<span class="sd">    ------</span>
<span class="sd">    ftype : list of str</span>
<span class="sd">        List of field types.</span>

<span class="sd">    ftime : list of str</span>
<span class="sd">        The time in hours of the field.</span>

<span class="sd">    steps : str</span>
<span class="sd">        Specifies the forecast time step from forecast base time.</span>
<span class="sd">        Valid values are hours (HH) from forecast base time.</s