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jrodos:nomadsdownloader [2015/04/09 12:30]
yu
jrodos:nomadsdownloader [2015/04/09 12:31] (current)
yu
Line 1: Line 1:
 +====== NomadsDownloader ======
 +
 +[[jrodos:​developer_guide|Back]]
 +
 +===== Path of Source and Jar =====
 +
 +  Source and NomadsDownloader.jar can be found under 
 +  sftp://​resy5.iket.kit.edu/​dedicated/​Yu/​JRodos_Tools/​NomadsDownloader
 +
 +===== Bugfix =====
 +
 +In this version, bugfix has been done to using data from http://​www.ftp.ncep.noaa.gov/​data/​nccf/​com/​gfs/​prod/​.
 +
 +Currently, only grib2 option is supported. Using of other options may not work.
 +
 + java -jar NomadsDownloader.jar [--grib2] [yyyyMMddhh] [{tt1,​tt2,​tt3}]
 +
 +For example:
 +
 + java -jar NomadsDownloader.jar --grib2 2015031800 {00, 03, 05}
 +
 +This command will get the forecast data from national wetter service. The data for 0, 3 and 5 hour after 2015.03.18 00:00 oclock will be downloaded.
 +
 +===== How to run it =====
 +
 +
 +1. Copy the NomadDownloader.jar to your local folder.
 +
 +2. Open the cmd dosbox on windows or terminal on linux.
 +
 +3. Under http://​www.ftp.ncep.noaa.gov/​data/​nccf/​com/​gfs/​prod/​ you can find which data is available online. For example, on March the data fold gfs.2015031800 can be found online. We can take 2015031800 as parameter for next step.
 +
 +4. Run following command under the path of your local folder:
 +
 + java -jar NomadsDownloader.jar --grib2 2015031800 {00, 03, 05}
 +
 +
 +As output in console you can see:
 +
 +Try download http://​www.ftp.ncep.noaa.gov/​data/​nccf/​com/​gfs/​prod/​gfs.2015031800/​gfs.t00z.pgrb2.0p50.f000
 +Try download http://​www.ftp.ncep.noaa.gov/​data/​nccf/​com/​gfs/​prod/​gfs.2015031800/​gfs.t00z.pgrb2.0p50.f003
 +Try download http://​www.ftp.ncep.noaa.gov/​data/​nccf/​com/​gfs/​prod/​gfs.2015031800/​gfs.t00z.pgrb2.0p50.f005
 +
 +The data will be downloaded into "local folder/​data_download/​grib2"​
 +
 +[[jrodos:​developer_guide|Back]]
 +
 +
 +
 +
 +
  
jrodos/nomadsdownloader.txt ยท Last modified: 2015/04/09 12:31 by yu