Overall Green alert Tropical Cyclone for DOUGLAS-20
in United States,

Event summary

Tropical Cyclone DOUGLAS-20 can have a low humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID TC 1000683
Name DOUGLAS-20
From - To 20 Jul - 29 Jul
Exposed countries United States,
Exposed population No people in Category 1 or higher
Maximum wind speed 213 km/h Category 4
Maximum storm surge 0.2 m (26 Jul 22:00 UTC)
Vulnerability Low (United States)

GDACS Score

For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS NOAA 56 km/h 0.2 m n.a. 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 220 km/h 0.5 m 470 mm 0.5
GFS 205 km/h 0.4 m 565 mm 0.5
ECMWF 155 km/h 0.4 m 580 mm 0.5
Maximum expected impact (wind, storm surge and rainfall) using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Hawaii, USA - Tropical Cyclone DOUGLAS (ECHO 23 Jul 2020)Thu, 23 Jul 2020 13:07

  • A new Tropical Cyclone named DOUGLAS formed over the Eastern Pacific Ocean on 22 July and started moving north-west towards Hawaii. On 23 July, its centre was located offshore, approximately 2,500 km south-east of the Big Island (Hawaii), with maximum sustained wind of 155 km/h.
  • DOUGLAS is forecast to move northwestward and it is expected to approach the central Hawaii at the evening of 26 July (UTC), with maximum sustained wind of 140-155 km/h.
  • Heavy rain, strong wind, and storm surge are expected over Hawaii on 26-27 July. To date, there is no warning issued by NOAA over Hawaii.
Hawaii (USA) - Tropical Cyclone DOUGLAS update Fri, 24 Jul 2020 13:04

  • Tropical Cyclone DOUGLAS continued moving north-west over the Eastern Pacific Ocean toward the Hawaii. On 24 July at 3.00 UTC, its centre was located offshore, approximately 1,770 km south-east of the Big Island (Hawaii), with maximum sustained winds of 215 km/h.
  • DOUGLAS is forecast to continue moving northwestward over the Ocean and it is expected to approach the central Hawaii on 26 July late in the afternoon (UTC), with maximum sustained winds of 140-145 km/h. 
  • Heavy rainfall, strong winds, and storm surge are forecast over the Hawaii on 25-27 July. To date, there are no warning issued by NOAA over the Hawaii.
Detailed event map. European Union, 2024. 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

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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

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (38), (2), WMO (1), INFORM (2),