surface 
   pressure is stored at index value nlev+1 <br>&nbsp;&nbsp;&nbsp;<span class="type">[real]</span></td>
</tr>
<tr>
<td valign="top" align="left"><tt>temp&nbsp;&nbsp;&nbsp;</tt></td><td>   temperature at model levels (1:nlev), to be used
   in cloud calculations <br>&nbsp;&nbsp;&nbsp;<span class="type">[real]</span></td>
</tr>
<tr>
<td valign="top" align="left"><tt>land&nbsp;&nbsp;&nbsp;</tt></td><td>   fraction of grid box covered by land <br>&nbsp;&nbsp;&nbsp;<span class="type">[real]</span></td>
