<div dir="ltr"><div><div><div>Yes: NCL 6.3.0 had a problem as evidenced by the warning messgaes.<br><br> Copyright (C) 1995-2015 - All Rights Reserved<br> University Corporation for Atmospheric Research<br> NCAR Command Language Version 6.3.0<br><br>warning: Entry (62001) not found in code table file /Users/shea/devel/ncl/lib/ncarg/grib2_codetables/ncep/4/4.3.table<br>warning: Entry (62006) not found in code table file /Users/shea/devel/ncl/lib/ncarg/grib2_codetables/ncep/4/4.3.table<br>warning: Entry (62008) not found in code table file /Users/shea/devel/ncl/lib/ncarg/grib2_codetables/ncep/4/4.3.table<br>warning: Entry (62009) not found in code table file /Users/shea/devel/ncl/lib/ncarg/grib2_codetables/ncep/4/4.3.table<br>warning: Entry (62010) not found in code table file /Users/shea/devel/ncl/lib/ncarg/grib2_codetables/ncep/4/4.3.table<br>warning: Entry (62000) not found in code table file /Users/shea/devel/ncl/lib/ncarg/grib2_codetables/ncep/4/4.3.table<br><br>===<br></div>There *should* be 41 forecast hours.<br>==<br></div>Other issues were addressed and NCL 6.5.0 yields all species and the 41 forecast hours<br><br> %> ncl_filedump ngac.t00z.aod_550nm.grib2 -ftime -v forecast_time0 <br><br>Copyright (C) 1995-2017 - All Rights Reserved<br> University Corporation for Atmospheric Research<br> NCAR Command Language Version <b>6.5.0</b> -14Nov2017_0149<br> The use of this software is governed by a License Agreement.<br> See <a href="http://www.ncl.ucar.edu/">http://www.ncl.ucar.edu/</a> for more details.<br><br>Variable: f<br>Type: file<br>filename: ngac.t00z.aod_550nm<br>path: ngac.t00z.aod_550nm.grib2<br> file global attributes:<br> dimensions:<br> forecast_time0 = 41<br> lat_0 = 181<br> lon_0 = 360<br> variables:<br> float AOTK_P48_L10_GLL0_A62000 ( forecast_time0, lat_0, lon_0 )<br><br></div>[SNIP]<br><br> integer forecast_time0 ( forecast_time0 )<br> long_name : Forecast offset from initial time<br> units : hours<br><br> <br>Variables:<br> <br>Variable No. 0<br> <b>forecast_time0:<br> <br> 0 3 6 9 12 15 18 21 24 27 30 33 36<br> 39 42 45 48 51 54 57 60 63 66 69 72 75<br> 78 81 84 87 90 93 96 99 102 105 108 111 114<br> 117 120<br></b><br><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Nov 14, 2017 at 12:23 PM, Debasish Hazra <span dir="ltr"><<a href="mailto:debasish.hazra5@gmail.com" target="_blank">debasish.hazra5@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Thanks Dennis. When I used ncl Verison 6.3 ncl_filedump shows :</div><div><br></div><div>Variable: f<br>Type: file<br>filename: ngac.t00z.aod_550nm<br>path: ngac.t00z.aod_550nm.grib2<br> file global attributes:<br> dimensions:<br> lat_0 = 181<br> lon_0 = 360<br> variables:<br> float AOTK_P48_L10_GLL0 ( lat_0, lon_0 )<br> generating_process_type : 62000<br> center : US National Weather Service - NCEP (WMC)<br> production_status : Operational products<br> long_name : Aerosol optical thickness<br> units : Numeric<br> _FillValue : 1e+20<br> grid_type : Latitude/longitude<br> parameter_discipline_and_<wbr>category : Meteorological products, Atmospheric chemical constituents<br> parameter_template_discipline_<wbr>category_number : ( 48, 0, 20, 102 )<br> level_type : Entire Atmosphere<br> level : 0<br> forecast_time : 7<br> forecast_time_units : minutes<br> initial_time : 11/13/2017 (00:00)</div><div><br></div><div>but when I used version 6.4 it shows forecast time as dimension : </div><div><br></div><div>Variable: f<br>Type: file<br>filename: ngac.t00z.aod_550nm<br>path: ngac.t00z.aod_550nm.grib2<br> file global attributes:<br> dimensions:<br> forecast_time0 = 41<br> lat_0 = 181<br> lon_0 = 360<br> variables:<br> float AOTK_P48_L10_GLL0 ( forecast_time0, lat_0, lon_0 )<br> generating_process_type : 62000<br> center : US National Weather Service - NCEP (WMC)<br> production_status : Operational products<br> long_name : Aerosol optical thickness<br> units : Numeric<br> _FillValue : 1e+20<br> grid_type : Latitude/longitude<br> parameter_discipline_and_<wbr>category : Meteorological products, Atmospheric chemical constituents<br> parameter_template_discipline_<wbr>category_number : ( 48, 0, 20, 102 )<br> level_type : Entire Atmosphere<br> level : 0<br> initial_time : 11/13/2017 (00:00)<br> aerosol_type : 62000</div><span class="HOEnZb"><font color="#888888"><div><br></div><div><br></div><div>Debasish.</div><div><br></div><div><br></div></font></span></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Nov 14, 2017 at 2:05 PM, Dennis Shea <span dir="ltr"><<a href="mailto:shea@ucar.edu" target="_blank">shea@ucar.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div>NCL: 6.5.0 -14Nov2017_0149<br><br></div><div>(available on yellowstone)<br></div><div><br></div>Produced the attached dump.<br><br></div>It has 5 variables<br><div><br>float AOTK_P48_L10_GLL0_A62000<br>float AOTK_P48_L10_GLL0_A62001<br>float AOTK_P48_L10_GLL0_A62006<br>float AOTK_P48_L10_GLL0_A62008<br>float AOTK_P48_L10_GLL0_A62009<br>float AOTK_P48_L10_GLL0_A62010<br></div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="m_3828714336693104363h5">On Tue, Nov 14, 2017 at 9:30 AM, Debasish Hazra <span dir="ltr"><<a href="mailto:debasish.hazra5@gmail.com" target="_blank">debasish.hazra5@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid"><div><div class="m_3828714336693104363h5"><div dir="ltr"><div>Hi,</div><div><br></div><div>I was trying to read forecast aerosol field using ncl and compare that with WGRIB2 and could not figure out how forecast time can be used to plot fields in different time steps. .I have uploaded the file in ftp (ngac.t00z.aod.550nm.grib2)</div><div><br></div><div>WGRIB2 of the file shows AOD of 5 species at every 3 hourly interval upto 5days. </div><div>But ncl_filedump shows no time information of 5 species :</div><div><br></div><div>AOTK_P48_L10_GLL0 ( lat_0, lon_0 ). </div><div><br></div><div>Any help on this.</div><div><br></div><div>Thanks.</div><span class="m_3828714336693104363m_5762470608569768660HOEnZb"><font color="#888888"><div>Debasish</div></font></span></div>
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