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</o:shapelayout></xml><![endif]--></head><body lang=EN-SG link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hello,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’m trying to use the wrf-output winds as input for a wave model and I’d like to know exactly what the wrf-output variables <b>U10 and V10,</b> means. <o:p></o:p></p><p class=MsoNormal>In principle, they are the winds at 10meters (unstaggered) but:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoListParagraph style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]> Is it the surface winds (as the first pressure level winds) 201300 or 200100 Pa?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoListParagraph style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>or is there a previous height interpolation to get exactly the 10m winds?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks a lot in advance!<o:p></o:p></p><p class=MsoNormal>Elena<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=360 style='width:270.0pt'><tr><td colspan=3 valign=top style='padding:0cm 0cm 0cm 0cm'><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Verdana","sans-serif";mso-fareast-language:EN-SG'>Elena Pison San Pedro<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Verdana","sans-serif";mso-fareast-language:EN-SG'>M.Sc. in Atmospheric Sciences</span><span style='font-size:9.0pt;font-family:"Verdana","sans-serif";mso-fareast-language:EN-SG'><o:p></o:p></span></p></td></tr><tr><td colspan=3 valign=top 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