Overall Green Tropical Cyclone for PRAPIROON-18
in Japan

Event summary

Tropical Cyclone PRAPIROON-18 can have a low humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID TC 1000464
Name PRAPIROON-18
From - To 28 Jun - 04 Jul
Exposed countries Japan
Exposed population 510 thousand in Category 1 or higher
Maximum wind speed 148 km/h Category 1
Maximum storm surge 0.7 m (03 Jul 10:00 UTC)
Vulnerability Low (Japan)

GDACS Score

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Wind Storm surge Rainfall GDACS score
GDACS JTWC n.a 0.7 m n.a. 0.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 126 km/h 0.7 m n.a. 0.5
GFS 119 km/h 0.7 m n.a. 0.5
ECMWF 66 km/h 0.6 m n.a. 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)

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

Tropical Cyclone PRAPIROON - JRC Emergency report

29/Jun/2018 14:55 UTC

Tropical Cyclone PRAPIROON formed over the Philippine Sea on 28 June and started moving north-west, strengthening. On 29 June at 12:00 UTC, its centre was located over the sea approx. 700 km south-east of Okinawa Island (Japan) and it had maximum sustained winds of 84 km/h (Tropical Storm). Over the next 24 h, it is forecast to continue moving north-west towards Okinawa Island, possibly strengthening into a Typhoon. It is forecast to pass between Okinawa and Miyako island on 1 July and reach southern Republic of Korea, including Jeju Island, on 2 July with max with max. sustained winds of 120-140 km/h. However the uncertainty of the forecast track/intensity is still high. Heavy rains, strong winds and storm surge could affect Okinawa on 30 June - 1 July and Republic of Korea (including Jeju Island) on 1-3 July. Heavy rains could also affect southern and eastern areas of the Democratic People's Republic of Korea (DPRK). The Joint Research Centre (JRC) is following the event through the information automatically collected and analysed in the Global Disasters Alerts and Coordination System (GDACS). GDACS issued a RED alert for TC PRAPIROON in Republic of Korea, Democratic People's Republic of Korea on 29 June morning. This alert was downgraded to ORANGE late in the afternoon of the same day, based on the new forecast.

Data, images, links, services and documents

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