Overall Green alert Tropical Cyclone for WALLACE-19
in Australia, Indonesia

Event summary

Tropical Cyclone WALLACE-19 can have a low humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID TC 1000558
From - To 05 Apr - 10 Apr
Exposed countries Australia, Indonesia
Exposed population No people in Category 1 or higher
Maximum wind speed 130 km/h Category 1
Maximum storm surge 0.5 m (05 Apr 13:00 UTC)
Vulnerability Low (Australia)


For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS JTWC 65 km/h 0.6 m n.a. 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 144 km/h 0.8 m n.a. 0.5
GFS 112 km/h 0.7 m 1172 mm 0.5
ECMWF 86 km/h 0.9 m 563 mm 0.5
Maximum expected impact (wind, storm surge and rainfall) using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Australia - Tropical Cylone WALLACE Update (ECHO 09 Apr 2019)Tue, 09 Apr 2019 13:04

  • Tropical Cyclone WALLACE, is moving west-southwest over the south-eastern Indian Ocean. On 9 April at 0.00 UTC, its was located approximately 540 km north- northwest of Karratha city (Pilbara region, Western Australia), with sustained winds of 111 km/h.
  • In the next 24 hours, it is forecast to move away from the Pilbara coast, weakening.
Australia, Indonesia - Tropical Cylone WALLACE-19 (ECHO 08 Apr 2019)Mon, 08 Apr 2019 13:02

  • Tropical cyclone WALLACE-19 continues west-southwest over the southern Indian Ocean. On the morning of 8 April its centre was located approximately 600 km north-northwest of Port Hedland (Pilbara region, Western Australia) and 650 km south-west of the coast of Sumba island (Indonesia), with maximum sustained winds up to 102 km/h. 
  • Over the next 24 hours, TC WALLACE-19 is forecast to move further south-west over the southern Indian Ocean, slightly strengthening. 
  • Indonesian National Authorities issued an early warning message for high waves in Sea and the waters around East Nusa Tenggara.
Australia - Tropical Cyclone TWENTYTHREE (ECHO 05 Apr 2019)Fri, 05 Apr 2019 13:06

  • Tropical Cyclone TWENTYTHREE formed over the Arafura Sea on 2 April and is moving southwest close to the North Kimberley Coast (northeastern Western Australia State). On 5 April at 0.00 UTC, its centre was approximately 340 km north-west of Wadeye town (Northern Territory), with maximum sustained winds up to 65 km/h (tropical storm).
  • Over the next 24 hours, it is expected to continue south-west over the Timor Sea, strengthening with maximum sustained winds of 85 km/h.
  • Heavy rain, strong winds and storm surge are forecast over the north-eastern and northern coast of Western Australia State on 5-6 April.
  • Gale and strong wind warnings have been issued for North Kimberley Coast, Ningaloo Coast, Gascoyne Coast, Esperance Coast and Eucla Coast,West Kimberley Coast and Geraldton Coast between 5-6 April.
Mozambique, Comoros - Tropical Cylone KENNETH Update (ECHO 02 May 2019)Thu, 02 May 2019 13:07

  • After the passage of Tropical Cyclone KENNETH over Comoros and Northern Mozambique on 25 April, the death toll and the damage continue to rise.
  • As of 2 May at 8.00 UTC, UN OCHA reports seven dead in the Comoros and at least 200 injured. 45 000 people are affected, 20 000 have been displaced and 3 818 houses, 400 schools and six health centres were damaged. The national power grid is damaged and there is a high risk of water-borne diseases. 
  • In Mozambique, 41 fatalities have been reported, and 37 700 houses have been damaged. Several areas of Pemba have been flooded. Ibo district, and in particular Matemo island, has been one of the hardest-hit, with at least 85 per cent of houses destroyed. Road inaccessibility and heavy rain are challenging the humanitarian response.
  • Moderate to heavy rain, with severe thunderstorms and strong winds are forecast for Cabo Delgado and Nampula (Mozambique) and Comoros.
  • The European Commission's Copernicus satelite mapping service was activated on 26 April for northern Mozambique (EMSR354) and for Comoros (EMSR355). Sixteen maps have been produced so far for Cabo Delagado Province.
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

Articles: 8 | About casualties: 0 | Last hour: 0

Feed aggregatorWed, 10 Apr 2019 05:22:00 +0200.

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Tropical Cyclone 23S has developed north of the Kimberley coast, and generated warnings. Tropical Cyclone 23S has developed north of the Kimberley coast, and generated warnings. NASA-NOAA’s Suomi NPP satellite passed overhead as the low p
Warnings up in Western Australia as Suomi NPP satellite views Tropical ... Fri, 05 Apr 2019 18:12:00 +0200.

IMAGE: NASA-NOAA's Suomi NPP satellite passed over the Southern Indian Ocean and captured a visible image of Tropical Cyclone 23S or Wallace, on April 5, as skirted the coast of Western... Credit: Credit: NASA Worldview, Earth Observing Sy
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Hours after President Donald Trump took to Twitter to criticize continued requests for more disaster relief from Puerto Rico, the governor of the U.S. territory and the mayor of its largest city both lashed out at the president. "Mr. Presid

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),