<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman,new york,times,serif;font-size:12pt"><div>Hi Wesley,<br><br>thanks for your reply.<br><br>My previous email was not totally clear. Actually, I have 21 ensemble members with the same forecast length; these members are produced initializing the model at the same hour, day, and month (but) of 21 different years (12 UTC 29 aug 1989, 12 UTC 29 aug 1990, ... , 12 UTC 29 aug 2009).<br><br>I tried, however, to apply something similar to your point 2): I aggregated 2 members (e1, e2) in a single ctl file and changed by hand the year of the second member in the EDEF section, making it the same as the first member <br>...<br>tdef 67 linear 12Z29aug1989 12hr<br>zdef 1 linear 1 1<br>vars 8<br>...<br>ENDVARS<br>EDEF 2<br>e1 67 12Z29aug1989<br>e2 67 12Z29aug1989 ---1989 instead of 1990---<br>ENDEDEF<br><br>Gribmap ran with no error
messages but then, in GrADS, I could not use the e2 fields: "Cannot contour grid - all undefined values"<br><br>Is there some other way I could try?<br><br>Best regards,<br>Daniele<br></div><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><br><div style="font-family: arial,helvetica,sans-serif; font-size: 13px;"><font size="2" face="Tahoma"><hr size="1"><b><span style="font-weight: bold;">Da:</span></b> Wesley Ebisuzaki <Wesley.Ebisuzaki@noaa.gov><br><b><span style="font-weight: bold;">A:</span></b> GrADS Users Forum <gradsusr@gradsusr.org><br><b><span style="font-weight: bold;">Inviato:</span></b> Lun 23 agosto 2010, 16:43:08<br><b><span style="font-weight: bold;">Oggetto:</span></b> Re: [gradsusr] ensemble reforecast runs<br></font><br>Daniele,<br><br> g2ctl assumes that the length of the forecast is the same for all <br>ensemble members.<br>If not, you can do either<br><br>(1) You could try using the
longest ensemble as the 1st ensemble.<br> (It may work.)<br><br>(2) You have to set the TDEF by hand.<br><br> Wesley Ebisuzaki<br><br><br>Daniele Mastrangelo wrote:<br>> Dear GrADS users,<br>><br>> I'd like to use GrADS v 2.0.a8 to evaluate a set of 21 reforecast <br>> ensemble runs. These runs are obtained running the same global model <br>> initialized at the same hour and date of 21 different years.<br>><br>> I obtained a single ctl file through "g2ctl.pl -ens" (g2ctl.pl v <br>> 0.0.4o) but, when I used gribmap to produce the corresponding idx <br>> file, I got the following error message:<br>><br>> Open Error: ensemble 1 (e2) extends beyond the time axis limits<br>> The data file was not opened.<br>><br>> I see that the problem is that these runs cover different periods; <br>> moreover, I get the same error when I try to open two of
the 21 <br>> different reforecast runs in a normal GrADS session (as file 1 and <br>> file 2). Therefore, my question is: can GrADS treat a set reforecast <br>> runs used as ensemble runs?<br>> If it cannot directly do that, is there a way to bypass the problem?<br>><br>> Thank you,<br>> Daniele<br>><br>> ------------------------------------------------------------------------<br>><br>> _______________________________________________<br>> gradsusr mailing list<br>> <a ymailto="mailto:gradsusr@gradsusr.org" href="mailto:gradsusr@gradsusr.org">gradsusr@gradsusr.org</a><br>> <a href="http://gradsusr.org/mailman/listinfo/gradsusr" target="_blank">http://gradsusr.org/mailman/listinfo/gradsusr</a><br>> <br><br>_______________________________________________<br>gradsusr mailing list<br><a ymailto="mailto:gradsusr@gradsusr.org" href="mailto:gradsusr@gradsusr.org">gradsusr@gradsusr.org</a><br><a
href="http://gradsusr.org/mailman/listinfo/gradsusr" target="_blank">http://gradsusr.org/mailman/listinfo/gradsusr</a><br></div></div>
</div><br>
</body></html>