Anonymous FTP

• How to FTP
• Create and FTP subsets
• Connect to our complete anonymous ftp site or our ftp site for the NCEP/NCAR Reanalysis
• Problems with FTP

Using OPeNDAP

Read or process data directly without FTP-ing files:

• THREDDS Catalog of Gridded Data
• Using OPeNDAP to Read Data
• OPeNDAP Documentation Page

About netCDF

• General Information
• Unidata netCDF Page

Read, Process and Plot Data

• Suggestions for reading our netCDF files
• Software packages that read and plot our netCDF files
• PSL data display and analysis tools
• General FORTRAN Code That Will Read Our Files
• Common problems with reading files

The information on federal government servers are in the public domain, unless specifically annotated otherwise, and may be used freely by the public so long as you:

1. do not claim it is your own (e.g. by claiming copyright for NOAA information – see below),
2. do not use it in a manner that implies an endorsement or affiliation with NOAA, or
3. do not modify it in content and then present it as official government material.

You also cannot present information of your own in a way that makes it appear to be official government information.

We ask that you acknowledge the use of images/data/forecasts taken from these webpages as:

Data/image provided by the NOAA Physical Sciences Laboratory, Boulder, Colorado, USA, from their website at https://psl.noaa.gov/.

If you use any datasets in your work, please cite them separately from any of PSL's images. You may need to have a separate citation for forecasts as well. Please refer to a forecast/data product's webpage for additional specific citation requirements, if indicated.