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I use the ‘dtype netcdf’ descriptor to make sure the dimensions are mapping properly, set the ensemble names with leading zeros, and alias the variable name so the plume script will work with new and old data.
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<div class=""><font face="Courier" style="font-size: 14px;" class="">dset ^NASA_GEOS5v2.tmpsfc.201806.anom.nc<br class="">
dtype netcdf<br class="">
options yrev<br class="">
undef 9.999E+20<br class="">
title NASA_GEOS5v2 anomalies for tmpsfc initialized Jun 2018<br class="">
ydef 181 linear -90 1<br class="">
xdef 360 linear 0 1<br class="">
zdef 1 linear 1 1<br class="">
tdef 9 linear 01Jun2018 1mo<br class="">
edef 10 names 01 02 03 04 05 06 07 08 09 10 <br class="">
vars 1<br class="">
fcst=>tmpsfc 0 e,t,y,x surface temperature [K]<br class="">
endvars</font><br class="">
<br class="">
—Jennifer</div>
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<blockquote type="cite" class="">On Jun 26, 2018, at 3:59 PM, James Spinks <<a href="mailto:jspin881@hotmail.com" class="">jspin881@hotmail.com</a>> wrote:<br class="">
<br class="">
Hey Jennifer,<br class="">
<br class="">
Thanks. You're right. After downloading the data in netcdf format, the files opened with no problem. What would I use the descriptor file if the nc files open without it? Just curious.<br class="">
<br class="">
I'll give your suggestions a try. Thanks for the help.<br class="">
From: gradsusr <<a href="mailto:gradsusr-bounces@gradsusr.org" class="">gradsusr-bounces@gradsusr.org</a>> on behalf of Jennifer M Adams <jadams21@gmu.edu><br class="">
Sent: Tuesday, June 26, 2018 3:00 PM<br class="">
To: GrADS Users Forum<br class="">
Subject: Re: [gradsusr] ENSO Forecast Plumes Script<br class="">
<br class="">
Hi, James — <br class="">
The data I use to draw the plumes is freely available from NOAA:<br class="">
<br class="">
ftp://ftp.cpc.ncep.noaa.gov/wd52dg/data/indices/sstoi.indices (for the obs)<br class="">
ftp://ftp.cpc.ncep.noaa.gov/NMME/realtime_anom (for the model forecasts)<br class="">
<br class="">
You will need to download the data and create your own descriptor files, but that is a very straightforward task — no special tricks. Recently the format of the model data changed -- now it is NetCDF instead of GRIB — which makes it even easier. Below is the
bit of script code for writing the ascii data as a binary time series: <br class="">
<br class="">
'set gxout fwrite'<br class="">
t=0<br class="">
while (1)<br class="">
res=read(ascfile)<br class="">
line1=sublin(res,1)<br class="">
line2=sublin(res,2)<br class="">
rc1 = subwrd(line1,1)<br class="">
if (rc1); break; endif<br class="">
ck=subwrd(line2,1)<br class="">
if (ck!='YR')<br class="">
t=t+1<br class="">
year=ck<br class="">
m=subwrd(line2,2)<br class="">
val=subwrd(line2,10)<br class="">
'd 'val<br class="">
if (t=1) <br class="">
iyear=year<br class="">
imon=subwrd(mons,m)<br class="">
endif<br class="">
endif<br class="">
endwhile<br class="">
'disable fwrite'<br class="">
<br class="">
<br class="">
—Jennifer<br class="">
<br class="">
<blockquote type="cite" class="">On Jun 26, 2018, at 10:40 AM, James Spinks <jspin881@hotmail.com> wrote:<br class="">
<br class="">
Hi all,<br class="">
<br class="">
I was wondering if there was an updated link for the ENSO Forecast Plumes script since the URL http://monsoondata.org:9090/dods/ has been decommissioned.<br class="">
<br class="">
The script is hosted here http://cola.gmu.edu/enso_forecast_plumes.html and looks to still be running just fine, but the script does not contain an updated link. If there is a replacement link, can some please provide the new link. <br class="">
<br class="">
Thank you,<br class="">
James<br class="">
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</blockquote>
<br class="">
--<br class="">
Jennifer Miletta Adams<br class="">
Center for Ocean-Land-Atmosphere Studies (COLA)<br class="">
George Mason University<br class="">
<br class="">
<br class="">
<br class="">
_______________________________________________<br class="">
gradsusr mailing list<br class="">
gradsusr@gradsusr.org<br class="">
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</blockquote>
<br class="">
<div class="">--<br class="">
Jennifer Miletta Adams<br class="">
Center for Ocean-Land-Atmosphere Studies (COLA)<br class="">
George Mason University<br class="">
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