Overall Green Tropical Cyclone for ONE-C-26 in United States from 12 Aug 2026 15:00 UTC to 13 Aug 2026 15:00 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve awareness, information exchange and coordination in the first phase after major sudden-onset disasters.

Overall Green Tropical Cyclone for ONE-C-26

in United States

Event summary

Tropical Cyclone ONE-C-26 can have a low humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID	TC 1001303
Name	ONE-C-26
From - To	12 Aug - 13 Aug
Exposed countries	United States
Exposed population	No people in Category 1 or higher
Maximum wind speed	130 km/h Category 1
Maximum storm surge	0.1 m (15 Aug 21:00 UTC)
Vulnerability	Low (United States)

GDACS Score

For more info on GDACS alert score click here.

	Wind	Storm surge	Rainfall	GDACS score
GDACS NOAA	130 km/h	0.1 m	n.a.	0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF	119 km/h	0.2 m	320 mm	0.5
GFS	97 km/h	n.a.	544 mm	0.5
ECMWF	83 km/h	0.2 m	434 mm	0.5

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

Virtual OSOCC

Meteo assessment

Satellite products

Analytical products

Detailed event map. European Union, 2026. 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)

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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.

Exposed population

Analytical products

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (40), WMO (1), INFORM (2), (1),

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While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information.
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The designations employed and the presentation of material on the map do not imply the expression of any opinion whatsoever on the part of the European Union concerning the legal status of any country, territory or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.