<div dir="ltr"><div><div>Ivan,<br><br></div>I am not aware of a time unit 14. It's not in NCEP's documentation.<br><br></div>Wesley<br><div><br><a href="http://www.nco.ncep.noaa.gov/pmb/docs/grib2/grib2_table4-4.shtml">http://www.nco.ncep.noaa.gov/pmb/docs/grib2/grib2_table4-4.shtml</a><br><div><div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Nov 15, 2017 at 4:27 AM, Ivan Toman <span dir="ltr"><<a href="mailto:ivtoman@inet.hr" target="_blank">ivtoman@inet.hr</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div bgcolor="#FFFFFF">
<div class="gmail-m_2394360537298039888moz-cite-prefix">Wesley,<br>
<br>
I finally found time to dig into this.<br>
<br>
I actually get "undefined time unit 14" from wgrib2 when trying to
handle 30 min records. That's probably why g2ctl, alt_g2ctl also
does not do the job (throwing this message) and so on.<br>
<br>
For example, your suggestion #2:<br>
<br>
$ wgrib2 wrfprs_d01.00_30.g2 -if ":30 min fcst:" -set_ftime "30
min fcst" -fi -grib wrfprs_d01.00_30.g2.con<br>
add_time: undefined time unit 14<br>
add_time: undefined time unit 14<br>
add_time: undefined time unit 14<br>
1:0:d=<a href="tel:(201)%20711-1500" value="+12017111500" target="_blank">2017111500</a>:RWMR:1 hybrid level:1 ? fcst:<br>
add_time: undefined time unit 14<br>
add_time: undefined time unit 14<br>
add_time: undefined time unit 14<br>
2:2310:d=<a href="tel:(201)%20711-1500" value="+12017111500" target="_blank">2017111500</a>:SNMR:1 hybrid level:1 ? fcst:<br>
add_time: undefined time unit 14<br>
...<br>
<br>
<br>
Or...<br>
<br>
$ alt_gmp -i wrfprs_d01.grib2.ctl <br>
wgrib2_flags=-npts -set_ext_name 1 -end_FT -ext_name -lev<br>
wgrib2_inv=.invd01<br>
dtype: dtype grib2<br>
pdef: pdef 149 149 lccr -29.363000 45.203000 1 1 -21.633000
-21.633000 54.288000 12000.000000 12000.000000tdef: nt=7
start=00Z15nov2017 by=10mn<br>
zdef: nlevel=25<br>
resolve_dsets dset=wrfprs_d01.grib2 inctime=10mn<br>
resolve_dsets: no template<br>
scanning wrfprs_d01.grib2 (process=0)<br>
add_time: undefined time unit 14<br>
add_time: undefined time unit 14<br>
add_time: undefined time unit 14<br>
add_time: undefined time unit 14<br>
add_time: undefined time unit 14<br>
<br>
<br>
<br>
<a href="http://grib1to2.pl" target="_blank">grib1to2.pl</a> did not work either, it failed:<br>
<br>
$ for i in WRFPRS_d01.0* ; do ./<a href="http://grb1to2.pl" target="_blank">grb1to2.pl</a> -o $i.g2 $i ; done<br>
(((rec 1:0:date <a href="tel:(201)%20711-1500" value="+12017111500" target="_blank">2017111500</a> RWMR kpds5=170 kpds6=109 kpds7=1
levels=(0,1) grid=255 hybrid lev 1 anl:<br>
RWMR=Rain water mixing ratio [kg/kg]<br>
timerange 0 P1 0 P2 0 TimeU 1 nx 149 ny 149 GDS grid 3
num_in_ave 0 missing 0<br>
center 7 subcenter 0 process 125 Table 2 scan: WE:SN winds(grid)
<br>
Lambert Conf: Lat1 -29.363000 Lon1 45.203000 Lov 54.288000<br>
Latin1 -21.633000 Latin2 -21.633000 LatSP -90.000000 LonSP
0.000000<br>
South Pole (149 x 149) Dx 12.000000 Dy 12.000000 scan 64
mode 136<br>
min/max data 0 0 num bits 0 BDS_Ref 0 DecScale 0 BinScale 0<br>
<br>
)))<br>
>> grib2_metadata --- WRFPRS_d01.00_00 wgrib=./wgrib
wgrib2=./wgrib2<br>
Use of uninitialized value $1 in negation (-) at
./<a href="http://grib1to2_metadata.pl" target="_blank">grib1to2_metadata.pl</a> line 74, <INV> line 1.<br>
no scan mode at ./<a href="http://grib1to2_metadata.pl" target="_blank">grib1to2_metadata.pl</a> line 83, <INV> line
1.<br>
missing GRIB record(s)<br>
((()))<br>
Problem, winds not defined! old ./wgrib?<br>
grib2 message ignored (use wgrib2)<br>
missing GRIB record(s)<br>
((()))<br>
Problem, winds not defined! old ./wgrib?<br>
(((rec 1:0:date <a href="tel:(201)%20711-1500" value="+12017111500" target="_blank">2017111500</a> RWMR kpds5=170 kpds6=109 kpds7=1
levels=(0,1) grid=255 hybrid lev 1 10min fcst:<br>
RWMR=Rain water mixing ratio [kg/kg]<br>
timerange 10 P1 0 P2 10 TimeU 0 nx 149 ny 149 GDS grid 3
num_in_ave 0 missing 0<br>
center 7 subcenter 0 process 125 Table 2 scan: WE:SN winds(grid)
<br>
Lambert Conf: Lat1 -29.363000 Lon1 45.203000 Lov 54.288000<br>
Latin1 -21.633000 Latin2 -21.633000 LatSP -90.000000 LonSP
0.000000<br>
South Pole (149 x 149) Dx 12.000000 Dy 12.000000 scan 64
mode 136<br>
min/max data 0 5.31824e-06 num bits 16 BDS_Ref 0 DecScale 11
BinScale 4<br>
<br>
<br>
<br>
I have no idea how to proceed further.<br>
Tks,<br>
Ivan<br>
<br>
<br>
<br>
<br>
On 11/07/2017 08:12 PM, Wesley Ebisuzaki - NOAA Federal wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">
<div>
<div>Ivan,<br>
<br>
</div>
</div>
<div>"UPP follows NCEP code table for timing grib records - for
15 and 30<br>
minute records use codes 13 and 14 respectively instead of
simple<br>
minutes. This seems to confuse GrADS (or g2ctl/gribmap, I'm
not sure)."<br>
<br>
"Yes it is fixed. I'm currently need to output 10 min
intervals. So, for <br>
full hour, 10m, 20m, 40m and 50m I get OK data. But for 30m I
do not."<br>
<br>
</div>
<div>These quotes suggests that it is a problem with gribmap
expecting<br>
</div>
<div>30 minute_time_units and not being able to handle 1
30_minute_time_units.<br>
<br>
</div>
<div>Suggestion #1<br>
<br>
</div>
<div> use alt_g2ctl/alt_gmp<br>
<br>
</div>
<div> Both are based on wgrib2 which uses english rather than
code table numbers.<br>
</div>
<div><br>
</div>
<div>Suggestion #2<br>
<br>
</div>
<div> convert forecast time from 1 (30 minutes) to 30
(minutes)<br>
<br>
</div>
<div> wgrib2 IN.grb -if ":30 min fcst:" -set_ftime "30 min
fcst" -fi -grib OUT.grb<br>
<br>
</div>
<div>Wesley<br>
<br>
</div>
<div><br>
<br>
</div>
<div><br>
</div>
<div><br>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Tue, Nov 7, 2017 at 1:21 PM,
Jeff Duda <span dir="ltr"><<a href="mailto:jeffduda319@gmail.com" target="_blank">jeffduda319@gmail.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="ltr">
<div>
<div>
<div>What result do you get when you do<br>
<br>
</div>
wgrib2 -T (grib file)<br>
<br>
?<br>
<br>
</div>
Look after the "D=", as the represents the time in
the GRIB2 file.<br>
<br>
</div>
Jeff<br>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Tue, Nov 7, 2017 at 12:10
PM, Ivan Toman <span dir="ltr"><<a href="mailto:ivtoman@inet.hr" target="_blank">ivtoman@inet.hr</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div bgcolor="#FFFFFF">
<div class="gmail-m_2394360537298039888gmail-m_1535943391223832856m_5316030439332110718moz-cite-prefix">Hello,<br>
<br>
Yes it is fixed. I'm currently need to output
10 min intervals. So, for full hour, 10m, 20m,
40m and 50m I get OK data. But for 30m I do
not.<br>
<br>
Thank you!<span class="gmail-m_2394360537298039888gmail-m_1535943391223832856HOEnZb"><font color="#888888"><br>
Ivan</font></span>
<div>
<div class="gmail-m_2394360537298039888gmail-m_1535943391223832856h5"><br>
<br>
<br>
<br>
On 11/07/2017 05:50 PM, Jeff Duda wrote:<br>
</div>
</div>
</div>
<div>
<div class="gmail-m_2394360537298039888gmail-m_1535943391223832856h5">
<blockquote type="cite">
<div dir="ltr">
<div>What is your time interval? If it's
not fixed, that's one problem. If it
is fixed, then I don't see why regular
templating wouldn't work unless the
time being written to the grib2 file
is not right. But there are ways to
fix that.<br>
<br>
</div>
Jeff Duda<br>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Tue, Nov 7,
2017 at 10:12 AM, Ivan Toman <span dir="ltr"><<a href="mailto:ivtoman@inet.hr" target="_blank">ivtoman@inet.hr</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hello,<br>
<br>
I'm having difficulties reading
sub-hourly time records from WRF
grib<br>
files in GrADS.<br>
<br>
UPP follows NCEP code table for
timing grib records - for 15 and 30<br>
minute records use codes 13 and 14
respectively instead of simple<br>
minutes. This seems to confuse GrADS
(or g2ctl/gribmap, I'm not sure).<br>
<br>
What I get as result is that I can
read any sub-hourly record as long
as<br>
it is not 15 or 30 minute record.
For those, I get undefined grid<br>
instead of data.<br>
<br>
I use this workflow for
postprocessing: wfrout >(UPP)>
grib1 >(cnvgrib)><br>
grib2 >(g2ctl,gribmap)> GrADS<br>
<br>
Does anybody know what is going on
there?<br>
<br>
Thank you in advance<br>
<br>
Ivan Toman<br>
<br>
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<div dir="ltr">
<div>
<div dir="ltr">
<div>Jeff Duda<br>
Post-doctoral research fellow<br>
University of Oklahoma School
of Meteorology<br>
</div>
</div>
</div>
</div>
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<br>
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