<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=iso-8859-1"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
@font-face
{font-family:Verdana;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
p.MsoAcetate, li.MsoAcetate, div.MsoAcetate
{mso-style-priority:99;
mso-style-link:"Texto de globo Car";
margin:0in;
margin-bottom:.0001pt;
font-size:8.0pt;
font-family:"Tahoma","sans-serif";}
span.EstiloCorreo17
{mso-style-type:personal-compose;
font-family:"Calibri","sans-serif";
color:windowtext;}
span.TextodegloboCar
{mso-style-name:"Texto de globo Car";
mso-style-priority:99;
mso-style-link:"Texto de globo";
font-family:"Tahoma","sans-serif";}
.MsoChpDefault
{mso-style-type:export-only;}
@page WordSection1
{size:8.5in 11.0in;
margin:70.85pt 85.05pt 70.85pt 85.05pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="2050" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=ES-CL link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Dear Users,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>Lately I appear to have better WRF results at the surface level when not trying to configure ETA levels and just using ETA levels by default, even if I try to have high density of levels close to the ground. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Any opinions?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thanks<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 align=left style='border-collapse:collapse;margin-left:-2.25pt'><tr style='height:11.3pt'><td width=552 colspan=2 valign=top style='width:414.25pt;padding:0in 5.4pt 0in 5.4pt;height:11.3pt'><p class=MsoNormal style='mso-element:frame;mso-element-wrap:around;mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column;mso-height-rule:exactly'><b><span style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:#0068B3'>Julio Castro M.</span></b><o:p></o:p></p><p class=MsoNormal style='mso-element:frame;mso-element-wrap:around;mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column;mso-height-rule:exactly'><span style='font-size:8.0pt;font-family:"Verdana","sans-serif";color:#0068B3'>Ingeniero Civil, MSc., PhD.</span><span style='color:black'><o:p></o:p></span></p></td></tr><tr style='height:11.3pt'><td width=552 colspan=2 valign=top style='width:414.25pt;padding:0in 5.4pt 0in 5.4pt;height:11.3pt'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:11.3pt;mso-element:frame;mso-element-wrap:around;mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column;mso-height-rule:exactly'><span style='font-size:8.0pt;font-family:"Verdana","sans-serif";color:#0068B3'>Jefe del Área de Modelación y Calidad del Aire</span><span style='font-size:8.0pt;color:black'><o:p></o:p></span></p></td></tr><tr style='height:69.95pt'><td width=213 style='width:159.55pt;padding:0in 5.4pt 0in 5.4pt;height:69.95pt'><p class=MsoNormal style='mso-element:frame;mso-element-wrap:around;mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column;mso-height-rule:exactly'><span style='font-family:"Verdana","sans-serif";color:#0068B3'><img width=202 height=75 id="Imagen_x0020_2" src="cid:image001.png@01D2A4C1.1FEB3F80" alt="cid:83969B68-5B60-49B4-AE8A-CFDE16B1D669"></span><o:p></o:p></p></td><td width=340 style='width:254.7pt;padding:0in 5.4pt 0in 5.4pt;height:69.95pt'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-element:frame;mso-element-wrap:around;mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:column;mso-height-rule:exactly'><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:#0068B3'>Padre Mariano 103, Of. 307<br>Providencia, Santiago<br>Fono: +56 2 27195 610<br>Fax: +56 2 22351 100<br></span><span style='font-size:12.0pt;color:#1F497D'><a href="http://www.gac.cl/" title="blocked::http://www.gac.cl/"><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:#0068B3'>www.gac.cl</span></a></span><span style='color:black'><o:p></o:p></span></p></td></tr></table><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>