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+ | ====== 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 | ||
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+ | The data will be downloaded into "local folder/data_download/grib2" | ||
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+ | [[jrodos:developer_guide|Back]] | ||
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