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<DIV><FONT size=3>Dear Matei,</FONT></DIV>
<DIV><FONT size=3>I want to inform you that the no. of points in x and y directions are as per the pdef in the ctl file.</FONT></DIV>
<DIV><FONT size=3>Even the record length and all are perfectly matching. I have computed the no of levels also as per the control file.</FONT></DIV>
<DIV><FONT size=3>One more thing is if I compute the same parameters from the WRF2GrADS output it is picking up the values very fine.</FONT></DIV>
<DIV><FONT size=3>The problem is with the ARW post only. Even I have fixed the lat and lon values fix and picked up the </FONT></DIV>
<DIV><FONT size=3>24hr accumulated (rainc+rainnc) values. It is giving some exponentional values for some time steps. </FONT></DIV>
<DIV><FONT size=3>What can be done in </FONT><FONT size=3>this regard.</FONT></DIV>
<P><FONT size=3></FONT> </P>
<P><FONT size=3>Thanks</FONT></P>
<P><FONT size=3>Sravan</FONT></P>
<DIV><BR> </DIV>############################<BR>M.SRAVAN KUMAR<BR>SCIENTIST<BR>RDC SASE<BR>CHANDIGARH - 160036<BR>INDIA<BR>############################
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<B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> Matei Georgescu <Matei.Georgescu@asu.edu><BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> GrADS Users Forum <gradsusr@gradsusr.org><BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Wed, 27 October, 2010 8:25:18 PM<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> Re: [gradsusr] ARW Post for Grads<BR></FONT><BR>Dear Sravan,<BR><BR>It appears that there is a mismatch between your .ctl file and fortran declarations. <BR><BR><SPAN lang=EN>You have this as a fortran declaration: parameter(nx=129,ny=144,nz=171,ns=30,nt=41,nd=5)</SPAN><BR><BR>but your .ctl file contains 331 x-points and 306 y-points (check your z-levels as well). In using pdef, ARWPost is regridding to a new resolution, which will be reflected in your .ctl file.<BR><BR>matei<BR><BR><B><FONT style="COLOR: rgb(255,102,0)" color=#888888>==============================</FONT><FONT style="COLOR: rgb(255,102,0)"
color=#888888>====</FONT><FONT style="COLOR: rgb(255,102,0)" color=#888888>====</FONT></B><BR><B>Matei Georgescu, Ph.D.</B><BR><I style="COLOR: rgb(255,102,0)">School of Mathematical and Statistical Sciences and<BR>Center for Environmental Fluid Dynamics</I><BR><I><SPAN style="COLOR: rgb(255,102,0)">Arizona State University</SPAN></I><BR><B>Phone</B>: (480) 965-3770<BR><B>Fax</B>: (480) 965-8119<BR><B>E-mail</B>: <A href="mailto:Matei.Georgescu@asu.edu" rel=nofollow target=_blank ymailto="mailto:Matei.Georgescu@asu.edu">Matei.Georgescu@asu.edu</A><BR><B><FONT style="COLOR: rgb(255,102,0)" color=#888888>==============================</FONT><FONT style="COLOR: rgb(255,102,0)" color=#888888>====</FONT><FONT style="COLOR: rgb(255,102,0)" color=#888888>====</FONT></B><BR><BR>
<DIV class=gmail_quote>On Tue, Oct 26, 2010 at 10:08 PM, Sravan <SPAN dir=ltr><<A href="mailto:sravan_sase@yahoo.in" rel=nofollow target=_blank ymailto="mailto:sravan_sase@yahoo.in">sravan_sase@yahoo.in</A>></SPAN> wrote:<BR>
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<DIV>Dear Users</DIV>
<DIV>I am using ARW post to reate .ctl and .dat files for the GrADS.</DIV>
<DIV>Now I want to extract some perameters from the .dat file for some particular locations.</DIV>
<DIV>I have used a fortran script to extract the perameters. But it is not picking the one which I want.</DIV>
<DIV>I am giving the .ctl file for your reference.</DIV><SPAN lang=EN>
<P><FONT color=#ff0000>dset ^dom3.dat</FONT></P>
<P><FONT color=#0000ff>options byteswapped</FONT></P>
<P><FONT color=#ff0000>undef 1.e30</FONT></P>
<P><FONT color=#ff0000>title OUTPUT FROM WRF V3.2.1 MODEL</FONT></P>
<P><FONT color=#ff0000>pdef 129 144 lcc 31.672 78.135 65.000 72.500 30.00000 10.00000 77.00000 9000.000 9000.000</FONT></P>
<P><FONT color=#ff0000>xdef 331 linear 71.47070 0.04054054</FONT></P>
<P><FONT color=#ff0000>ydef 306 linear 25.33539 0.04054054</FONT></P>
<P><FONT color=#ff0000>zdef 19 levels </FONT></P>
<P><FONT color=#ff0000 size=1>1000.00000</FONT></P>
<P><FONT color=#ff0000 size=1>950.00000</FONT></P>
<P><FONT color=#ff0000 size=1>900.00000</FONT></P>
<P><FONT color=#ff0000 size=1>850.00000</FONT></P>
<P><FONT color=#ff0000 size=1>800.00000</FONT></P>
<P><FONT color=#ff0000 size=1>750.00000</FONT></P>
<P><FONT color=#ff0000 size=1>700.00000</FONT></P>
<P><FONT color=#ff0000 size=1>650.00000</FONT></P>
<P><FONT color=#ff0000 size=1>600.00000</FONT></P>
<P><FONT color=#ff0000 size=1>550.00000</FONT></P>
<P><FONT color=#ff0000 size=1>500.00000</FONT></P>
<P><FONT color=#ff0000 size=1>450.00000</FONT></P>
<P><FONT color=#ff0000 size=1>400.00000</FONT></P>
<P><FONT color=#ff0000 size=1>350.00000</FONT></P>
<P><FONT color=#ff0000 size=1>300.00000</FONT></P>
<P><FONT color=#ff0000 size=1>250.00000</FONT></P>
<P><FONT color=#ff0000 size=1>200.00000</FONT></P>
<P><FONT color=#ff0000 size=1>150.00000</FONT></P>
<P><FONT color=#ff0000 size=1>100.00000</FONT></P>
<P><FONT color=#ff0000>tdef 41 linear 00Z26OCT2010 180MN </FONT></P>
<P><FONT color=#ff0000>VARS 27</FONT></P>
<P><FONT color=#ff0000 size=1>LU_INDEX 1 0 LAND USE CATEGORY (-)</FONT></P>
<P><FONT color=#ff0000 size=1>U 19 0 x-wind component (m s-1)</FONT></P>
<P><FONT color=#ff0000 size=1>V 19 0 y-wind component (m s-1)</FONT></P>
<P><FONT color=#ff0000 size=1>W 19 0 z-wind component (m s-1)</FONT></P>
<P><FONT color=#ff0000 size=1>PH 19 0 perturbation geopotential (m2 s-2)</FONT></P>
<P><FONT color=#ff0000 size=1>PHB 19 0 base-state geopotential (m2 s-2)</FONT></P>
<P><FONT color=#ff0000 size=1>T 19 0 perturbation potential temperature (theta-t0) (K)</FONT></P>
<P><FONT color=#ff0000 size=1>MU 1 0 perturbation dry air mass in column (Pa)</FONT></P>
<P><FONT color=#ff0000 size=1>MUB 1 0 base state dry air mass in column (Pa)</FONT></P>
<P><FONT color=#ff0000 size=1>P 19 0 perturbation pressure (Pa)</FONT></P>
<P><FONT color=#ff0000 size=1>PB 19 0 BASE STATE PRESSURE (Pa)</FONT></P>
<P><FONT color=#ff0000 size=1>T2 1 0 TEMP at 2 M (K)</FONT></P>
<P><FONT color=#ff0000 size=1>TH2 1 0 POT TEMP at 2 M (K)</FONT></P>
<P><FONT color=#ff0000 size=1>PSFC 1 0 SFC PRESSURE (Pa)</FONT></P>
<P><FONT color=#ff0000 size=1>U10 1 0 U at 10 M (m s-1)</FONT></P>
<P><FONT color=#ff0000 size=1>V10 1 0 V at 10 M (m s-1)</FONT></P>
<P><FONT color=#ff0000 size=1>LANDMASK 1 0 LAND MASK (1 FOR LAND, 0 FOR WATER) (-)</FONT></P>
<P><FONT color=#ff0000 size=1>VEGFRA 1 0 VEGETATION FRACTION (-)</FONT></P>
<P><FONT color=#ff0000 size=1>SST 1 0 SEA SURFACE TEMPERATURE (K)</FONT></P>
<P><FONT color=#ff0000 size=1>HGT 1 0 Terrain Height (m)</FONT></P>
<P><FONT color=#ff0000 size=1>TSK 1 0 SURFACE SKIN TEMPERATURE (K)</FONT></P>
<P><FONT color=#ff0000 size=1>RAINC 1 0 ACCUMULATED TOTAL CUMULUS PRECIPITATION (mm)</FONT></P>
<P><FONT color=#ff0000 size=1>RAINNC 1 0 ACCUMULATED TOTAL GRID SCALE PRECIPITATION (mm)</FONT></P>
<P><FONT color=#ff0000 size=1>XLAT 1 0 LATITUDE, SOUTH IS NEGATIVE (degree_north)</FONT></P>
<P><FONT color=#ff0000 size=1>XLONG 1 0 LONGITUDE, WEST IS NEGATIVE (degree_east)</FONT></P>
<P><FONT color=#ff0000 size=1>TMN 1 0 SOIL TEMPERATURE AT LOWER BOUNDARY (K)</FONT></P>
<P><FONT color=#ff0000 size=1>PBLH 1 0 PBL HEIGHT (m)</FONT></P>
<P><FONT color=#ff0000 size=1>ENDVARS</FONT></P>
<DIV></DIV></SPAN>And the fortran code which I have used to extract the variables is given below.</DIV><SPAN lang=EN>
<P>parameter(nx=129,ny=144,nz=171,ns=30,nt=41,nd=5)</P>
<P>dimension x(nx,ny,nz),dum(nx,ny)</P></SPAN><SPAN lang=EN>
<P>open(12,file='./dom3.dat',form='unformatted',access='direct',recl=nx*ny*4)</P><SPAN lang=EN>
<P>do 5 it = 1,nt</P>
<P>do 10 iz = 1,nz</P>
<P>read (12) dum</P>
<P>do 15 ix = 1,nx</P>
<P>do 16 iy = 1,ny</P>
<P>x(ix,iy,iz) = dum(ix,iy)</P>
<P>16 continue</P>
<P>15 continue</P>
<P>10 continue</P><SPAN lang=EN>
<P>do 99 k=1,10</P>
<P>p1(k,it) = x(ix,iy,166)+x(ix,iy,167)</P>
<DIV></DIV></SPAN></SPAN></SPAN>write (*,*) p1(k,it)</DIV>
<DIV>99 continue</DIV>
<DIV>stop</DIV>
<DIV>end</DIV>
<DIV> </DIV>
<DIV>I am using a 64 bit Linux Machine with pgf77 compiler.</DIV>
<DIV>Can any one clarify what <FONT color=#0000ff>options byteswapped means?</FONT></DIV>
<DIV>Kindly Help Me</DIV>
<DIV> </DIV>
<DIV>Regards</DIV>
<DIV>Sravan<BR> </DIV>############################<BR>M.SRAVAN KUMAR<BR>SCIENTIST<BR>RDC SASE<BR>CHANDIGARH - 160036<BR>INDIA<BR>############################
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