Overall Green Tropical Cyclone for ONE-C-26 in United States from 12 Aug 2026 15:00 UTC to 17 Aug 2026 09:00 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 - 17 Aug
Exposed countries	United States
Exposed population	10 thousand in Category 1 or higher
Maximum wind speed	139 km/h Category 1
Maximum storm surge	0.2 m (16 Aug 05:00 UTC)
Vulnerability	Low (United States)

GDACS Score

For more info on GDACS alert score click here.

	Wind	Storm surge	Rainfall	GDACS score
GDACS NOAA	139 km/h	0.2 m	n.a.	0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF	162 km/h	0.2 m	927 mm	0.5
GFS	122 km/h	0.2 m	544 mm	0.5
ECMWF	119 km/h	0.3 m	698 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)

Latest media headlines

Lala is again a tropical storm, sending drenching rain and winds acros.. 8/17/2026 10:59:00 AM.

Hurricane Lala weakened to a tropical storm Sunday after its eyewall skirted Hawaii without making landfall, but it continued to punish the Big Island with hurricane-force gusts and relentless rain, reaching a total of nearly three feet (on

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Lala is again a tropical storm, sending drenching rain and high winds .. 8/17/2026 10:59:00 AM.

Hurricane Lala weakened to a tropical storm on Sunday after its eyewall skirted Hawaii without making landfall. But it continued to punish the state with hurricane-force gusts and pounding rain, reaching a total of nearly three feet (one me

...(more)

Hawaii island avoids a direct hit, but Lala still wreaks havoc 8/17/2026 10:59:00 AM.

Hawaii island avoided a direct hit from Hurricane Lala Saturday by about 30 miles, but the storm still wreaked havoc across the island before weakening as it moved toward Oahu, where officials warned residents to prepare for worsening condi

...(more)

Amtrak to reopen East River tunnel after Hurricane Sandy damage Amtrak.. 8/17/2026 10:54:00 AM.

Amtrak to reopen East River tunnel after Hurricane Sandy damage Amtrak is reopening one of the East River tunnels that was damaged during Hurricane Sandy.

View more news

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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