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In 2025, tropical cyclones will form in seven major bodies of water, commonly known as tropical cyclone basins. Tropical cyclones will be named by various weather agencies when they attain maximum sustained winds of 35 knots (65 km/h; 40 mph). The year has not started yet, so there is no determined strongest, deadliest, or costliest storm yet.

Tropical cyclones are primarily monitored by 10 warning centers around the world, which are designated as a Regional Specialized Meteorological Center (RSMC) or a Tropical Cyclone Warning Center ((TCWC) by the World Meteorological Organization (WMO). These centers are: National Hurricane Center (NHC), Central Pacific Hurricane Center (CPHC), Japan Meteorological Agency (JMA), Indian Meteorological Department (IMD), Météo-France (MFR), Indonesia's Meteorology, Climatology, and Geophysical Agency (BMKG), Australian Bureau of Meteorology (BoM), Papua New Guinea's National Weather Service (PNGNWS), Fiji Meteorological Service (FMS), and New Zealand's MetService. Unofficial, but still notable, warning centers include the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA; albeit official within the Philippines), the United States's Joint Typhoon Warning Center (JTWC), and the Brazilian Navy Hydrographic Center.

Global atmospheric and hydrological conditions

Summary

North Atlantic Ocean

Eastern & Central Pacific Oceans

Western Pacific Ocean

North Indian Ocean

South-West Indian Ocean

January - June

Australian Region

January - June

South Pacific Ocean

January - June

South Atlantic Ocean

Systems

January

So far in January, one storms have formed and zero have been named.

Global effects

There are a total of 7 tropical cyclone basins that tropical cyclones typically form in. In this table, data from all these basins are added.

1. ^ The wind speeds for this tropical cyclone/basin are based on the Saffir Simpson Scale which uses 1-minute sustained winds.
2. ^ Only systems that formed either before or on December 31, 2025 are counted in the seasonal totals.
3. The wind speeds for this tropical cyclone/basin are based on the IMD Scale which uses 3-minute sustained winds.
4. ^ Only systems that formed either on or after January 1, 2025 are counted in the seasonal totals.
5. The wind speeds for this tropical cyclone are based on Météo-France, which uses wind gusts.
6. The sum of the number of systems in each basin will not equal the number shown as the total. This is because when systems move between basins, it creates a discrepancy in the actual number of systems.

See also

• Tropical cyclones by year

References

1. "Tropical Cyclone Heat Potential Seven Basins". NOAA. Retrieved 20 October 2021.

External links

Regional Specialized Meteorological Centers

• US National Hurricane Center. (RSMC Miami) – North Atlantic, Eastern Pacific
• Central Pacific Hurricane Center (RSMC Honolulu) – Central Pacific
• Japan Meteorological Agency (RSMC Tokyo) – West Pacific
• India Meteorological Department (RSMC New Delhi) – Bay of Bengal and the Arabian Sea
• Météo-France – La Reunion (RSMC La Réunion) – South-West Indian Ocean from 30°E to 90°E
• Fiji Meteorological Service (RSMC Nadi) – South Pacific, west of 160°E, north of 25° S

Tropical Cyclone Warning Centers

• Meteorology, Climatology, and Geophysical Agency of Indonesia (TCWC Jakarta) – South Indian Ocean from 90°E to 141°E, generally north of 10°S
• Australian Bureau of Meteorology (TCWC Melbourne), (Seven day forecast) – South Indian Ocean & South Pacific Ocean from 90°E to 160°E, generally south of 10°S
• Papua New Guinea National Weather Service (TCWC Port Moresby) – South Pacific Ocean from 141°E to 160°E, generally north of 10°S
• Meteorological Service of New Zealand Limited (TCWC Wellington) – South Pacific west of 160°E, south of 25°S

Other Warning Centres

• Philippine Atmospheric, Geophysical and Astronomical Services Administration – Monitors the West Pacific
• Brazilian Navy Hydrography Center - Marine Meteorological Service – Monitors the South Atlantic
• US Joint Typhoon Warning Centre – Monitors the East Pacific, Central Pacific, West Pacific, South Pacific, North Indian Ocean and South-West Indian Ocean

• Tropical cyclones in 2025
• Tropical cyclones by year