What should I use?
This table summarizes the differences between IBTrACS and IBTrACS-WMO data.
Differences between the sets are highlighted in bold type.
| IBTrACS-All | IBTrACS-WMO | |
|---|---|---|
| Summary | Best track data as provided by all agencies and dataset sources. | Best track data only from WMO-sanctioned forecast agencies. |
| Parameters (as available) |
Position, Maximum Sustained Winds, Minimum Central Pressure, Storm Name, Radius of Maximum Winds, Radius of Outermost Closed Isobar, and more as provided by each agency |
Position, Maximum Sustained Winds, Minimum Central Pressure, Storm Name |
| Data Sources |
RSMC Miami, RSMC Honolulu, RSMC Tokyo, RSMC New Delhi, RSMC La Reunion, RSMC Nadi, TCWC Perth, TCWC Darwin, TCWC Brisbane, TCWC Wellington, CMA-Shanghai Typhoon Institute, Joint Typhoon Warning Center, Hong Kong Observatory, NCDC DSI-9636 UCAR ds824.1 |
RSMC Miami, RSMC Honolulu, RSMC Tokyo, RSMC New Delhi, RSMC La Reunion, RSMC Nadi, TCWC Perth, TCWC Darwin, TCWC Brisbane, TCWC Wellington |
| # of intensity reports per observation time |
Numerous (as many reports as agencies tracking the system) |
1 (from the official WMO agency) |
| Formats |
netCDF, Comma Separated Variables (CSV) |
netCDF, Comma Separated Variables (CSV), "HURDAT" Format, WMO Format, cXML, ATCF, WMS/WFS/KML |
| Data Access | IBTrACS-All Data access | IBTrACS-WMO Data access |



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