Tropical Cyclone ONE-25

Date

2025-10-01

Coordinates

Lat: 15.9
Lon: 86.5

Danger Scale

Disaster Details

Event summary

Tropical Cyclone ONE-25 can have a medium humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID	TC 1001218
Name	ONE-25
From - To	01 Oct - 02 Oct
Exposed countries	India
Exposed population	No people in Category 1 or higher
Maximum wind speed	65 km/h Tropical storm
Maximum storm surge	0.6 m (02 Oct 07:00 UTC)
Vulnerability	High (India)

GDACS Score

For more info on GDACS alert score click here .

	Wind	Storm surge	Rainfall	GDACS score
GDACS JTWC	65 km/h	1.1 m	n.a.	1.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF	n.a	n.a.	n.a.	n.a.
GFS	83 km/h	0.8 m	1273 mm	0.5
ECMWF	79 km/h	0.9 m	3009 mm	0.5

Maximum expected impact (wind, storm surge and rainfall) using different data sources .

Virtual OSOCC

Meteo assessment

Satellite products

Analytical products

India - Tropical storm ONE (ECHO 07 Oct 2025) Thu, 02 Oct 2025 10:16

A new tropical storm named ONE formed over the central Bay of Bengal in the morning (UTC) of 30 September and started moving north-west toward eastern India, strengthening. On 2 October at 0.00, its centre was located over the western Bay of Bengal, approximately 200 km south-est of the far north Andhra Pradesh state, with maximum sustained winds of 65 km/h.
ONE is expected to make landfall over the border area between the north-eastern Andhra Pradesh state and the south-eastern Odisha state on 25 October just after 12.00, with maximum sustained winds of 65 km/h.
Over the next 96 hours, heavy rainfall with locally very heavy rainfall is forecast over eastern, north-eastern and central India.

Detailed event map. European Union, 2025. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

Updates on volcanic activity (Smithsonian)

Latest media headlines

Hurricane Imelda forms in the Atlantic 9/30/2025 12:40:00 PM .

RELATED VIDEO: Imelda was threatening parts of Cuba and the Bahamas with heavy rainfall and flash flooding, with portions of the Bahamas under a tropical storm warning. (Source: ONE NEWS BAHAMAS) Published Sep. 30, 2025 at 7:24 AM CDT Upda

...(more)

Hurricane Imelda forms in the Atlantic 9/30/2025 12:38:00 PM .

RELATED VIDEO: Imelda was threatening parts of Cuba and the Bahamas with heavy rainfall and flash flooding, with portions of the Bahamas under a tropical storm warning. (Source: ONE NEWS BAHAMAS) Published Sep. 30, 2025 at 8:24 AM EDT Upda

...(more)

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Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.