<div dir="ltr"><div><div>The control file you are opening only contains one GRIB file. You need to make a control file that contains multiple GRIB files (which might be called wrsprs_d01_00.grib2, wrsprs_d01_03.grib2, etc) so that you can access the prior times.<br><br></div>Joey<br></div>InstantWeatherMaps.com<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Sep 9, 2015 at 4:54 PM, giacomo tricarico <span dir="ltr"><<a href="mailto:mino-98@hotmail.it" target="_blank">mino-98@hotmail.it</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div dir="ltr">OK! So I'm using this example code:<div><br><div>'open wrfprs_d01_${fhr}.ctl ##IN THIS EXAMPLE I'VE USED wrsprs_d01_12.ctl</div><div>'set display color white' </div><div>'set gxout shaded'</div><div>'color 1 100 1 -kind white->red ##USES A SCRIPT THAT MAKES A NEW RAINBOW SACLE</div><div>'d APCPsfc(t-3)+APCPsfc'<br><br>But I receive this error:<br><div>Notice: Automatic Grid Interpolation Taking Place</div><div>Data Request Warning: Request is completely outside file limits</div><div> Entire grid contents are set to missing data </div><div> Grid limits of file: X = 1 93 Y = 1 87 Z = 1 26 T = 1 1 E = 1 1 </div><div> Grid limits of request: X = 1 93 Y = 1 87 Z = 1 1 T = -2 -2 E = 1 1 </div><div> Warning issued for variable = apcpsfc</div><div>Cannot contour grid - all undefined values </div><div><br></div><div><br></div><div>Please help me, it's very important for my website!<br><br>Cheers,</div><div>Giacomo</div><div><hr>Date: Wed, 9 Sep 2015 16:13:14 -0500<div><div class="h5"><br>From: <a href="mailto:instantweathermaps@gmail.com" target="_blank">instantweathermaps@gmail.com</a><br>To: <a href="mailto:gradsusr@gradsusr.org" target="_blank">gradsusr@gradsusr.org</a><br>Subject: Re: [gradsusr] Simple query: Accumulated Rain??<br><br><div dir="ltr"><div><div>If the WRF output is 3hr-accumulated, then use sum. If it's total-accumulated, use subtraction.<br><br></div>Joey Woodson<br></div>InstantWeatherMaps.com<br></div><div><br><div>On Wed, Sep 9, 2015 at 3:11 PM, giacomo tricarico <span dir="ltr"><<a href="mailto:mino-98@hotmail.it" target="_blank">mino-98@hotmail.it</a>></span> wrote:<br><blockquote style="border-left:1px #ccc solid;padding-left:1ex">
<div><div dir="ltr">In my specific case, which code should I use?<br>Thanks Joey!!<br><br><div><hr>Date: Wed, 9 Sep 2015 14:49:07 -0500<br>From: <a href="mailto:instantweathermaps@gmail.com" target="_blank">instantweathermaps@gmail.com</a><br>To: <a href="mailto:gradsusr@gradsusr.org" target="_blank">gradsusr@gradsusr.org</a><br>Subject: Re: [gradsusr] Simple query: Accumulated Rain??<div><div><br><br><div dir="ltr">You can use the sum function in GrADS to calculate x-hr accumulated rain from n-hr accumulated rain, where x>n. If x<n, you can use subtraction, as in ACPCsfc(t-4)-ACPCsfc.<br></div><div><br><div>On Wed, Sep 9, 2015 at 7:19 AM, giacomo tricarico <span dir="ltr"><<a href="mailto:mino-98@hotmail.it" target="_blank">mino-98@hotmail.it</a>></span> wrote:<br><blockquote style="border-left:1px #ccc solid;padding-left:1ex">
<div><div dir="ltr">Hi, my WRF plots 17 files, from 00h to 48h, with 3h steps; so rain is accumulated each 3 hours.<div><br></div><div>BUT how could I have 12h and 24h accumulated rain with grads? So that I have respectively 4 and 2 images :)</div><div><br></div><div>Thanks,</div><div>Giacomo</div> </div></div>
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