<p class="MsoNormal" style="text-align:justify;line-height:normal">Dear Elena ,</p>
<p class="MsoNormal" style="text-align:justify;line-height:normal"><span style="font-size:12pt;font-family:"Times New Roman","serif"">WRF in default namelist options won’t update lower boundary
SST, so </span><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">in the first case, </span><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">the option “</span>sst_update =1” enable WRF to update SST from supplied FNL/GFS
Boundary files. Generally this option will be used for long simulations like seasonal forecasts. <br></p>
<p class="MsoNormal" style="text-align:justify;line-height:normal">In Second
case, "prefix = 'SST' in namelist of WPS : SST in FNL/GFS initial and
boundary conditions will replaced by the others sources of SST such as GHRSST<span style="font-size:12.0pt;font-family:"Times New Roman","serif""></span></p>
<br><br><br clear="all">With regards<br>V.Yesubabu,<br>Computational Earth Science Group,<br>C-DAC,Main Building, Pune University,<br>Ganeshkhind, Pune , India <br><br><br><br><br>