[Note that the question and the answer below are recreated from a HYSPLIT FAQ site that predates this forum site. The original author and the posting date are unknown.]
HYSPLIT reads in specially packed data files, some of which are available on our web server.
We have a limited amount of disk space and so generally only the past few years of EDAS and GDAS data are on-line. Sometimes we have some older data on-line, but it is usually only there for a short period of time. If the data is not on-line, you would need to purchase data (prior to 2004) from NCDC and then run the PC version of HYSPLIT. There is a link to the PC version of HYSPLIT at https://www.ready.noaa.gov/HYSPLIT.php. Global data from 1995-1996 are called the “MRF Archive”, and from 1997 onward the “FNL Archive”.
What archived data are available on the web to run HYSPLIT with?
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- ↳ 1. Installing HYSPLIT
- ↳ 2. Testing the installation
- ↳ 3. Gridded meteorological data files
- ↳ 4. Trajectory calculations
- ↳ 5. Trajectory options
- ↳ 6. Trajectory statistics
- ↳ 7. Air concentration calculations
- ↳ 8. Configuring the CAPTEX simulation
- ↳ 9. Air concentration parameter sensitivity
- ↳ 10. Alternate display options
- ↳ 11. Pollutant transformations and deposition
- ↳ 12. Air concentration uncertainty
- ↳ 13. Source attribution methods
- ↳ 14. Wildfire smoke and dust storms
- ↳ 15. Radioactive pollutants and dose
- ↳ 16. Volcanic eruptions with gravitational settling
- ↳ 17. Custom simulations
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