| Region | Description | Links to Centers (RSMC and TCWC) |
|---|---|---|
| I-II | Atlantic and Eastern Pacific | U.S. National Hurricane Center (RSMC Miami) |
| III | Central Pacific | U.S. Central Pacific Hurricane Center (RSMC Honolulu) |
| IV | Northwest Pacific | Japan Meteorological Agency (RSMC Tokyo) |
| V | North Indian Ocean | India Meteorological Department (RSMC New Delhi) |
| VI | Southwest Indian Ocean | Météo France (RSMC La Réunion) |
| VII-XI | Southwest Pacific and Southeast Indian Ocean |
VII: Australian Bureau of Meteorology (TCWC Perth) VIII: Indonesian Agency for Meteorology (TCWC Jakarta) IX: Australian Bureau of Meteorology (TCWC Darwin) X: Papua New Guinea(TCWC Port Moresby) XI: Australian Bureau of Meteorology (TCWC Brisbane) |
| XII-XIII | South Pacific |
XII: Fiji Meteorological Service (RSMC Nadi) XIII: Meteorological Service of New Zealand, Ltd. (TCWC Wellington) |
| Region | Description | Links |
|---|---|---|
| Tokyo, Japan | Tokyo VAAC | Advisory |
| Darwin, Australia | Darwin VAAC | Advisory |
| London, United Kingdom | London VAAC | Advisory |
| Toulouse, France | Toulouse VAAC | Advisory |
| Anchorage, AK, United States | Anchorage VAAC | Advisory |
| Montreal, Canada | Montreal VAAC | Advisory |
| Washington, DC, United States | Washington VAAC | VAA Advisory Volcanic Ash Hysplit Model Graphics Washington Volcanic Ash Advisory Center (VAAC) Graphics The Ozone Monitoring Instrument (OMI)Graphics |
| Buenos Aires, Argentina | Buenos Aires VAAC | Advisory |
| Wellington, New Zealand | Wellington VAAC | Details |