Tropical Storm Bolaven (2018)

Tropical Storm Bolaven (Agaton)
Tropical Storm Bolaven at peak intensity on January 3
Meteorological history
FormedDecember 29, 2017
DissipatedJanuary 4, 2018
Tropical storm
10-minute sustained (JMA)
Highest winds65 km/h (40 mph)
Lowest pressure1002 hPa (mbar); 29.59 inHg
Tropical storm
1-minute sustained (SSHWS/JTWC)
Highest winds65 km/h (40 mph)
Lowest pressure1001 hPa (mbar); 29.56 inHg
Overall effects
Fatalities4 total
Damage$10.5 million (2018 USD)
Areas affectedPhilippines (specifically Mindanao, the Visayas, and Palawan)
IBTrACSEdit this at Wikidata

Part of the 2017 and 2018 Pacific typhoon seasons

Tropical Storm Bolaven, known in the Philippines as Tropical Storm Agaton, was an early-season tropical cyclone that affected southern parts of the Philippines in January 2018. The first named storm of the 2018 Pacific typhoon season,[nb 1] Bolaven formed as a tropical depression near Palau on December 29, 2017. The system moved generally westwards without intensifying and made landfall over northeastern Mindanao on January 1, 2018. The depression spent the next day traversing the Philippines, making four more landfalls in the Visayas and one in Palawan. The system strengthened into a tropical storm on January 3 as it entered the South China Sea, receiving the name Bolaven. However, Bolaven weakened back to a tropical depression just a day later amid a marginal environment and dissipated on January 4 east of Vietnam.

Bolaven brought heavy rain to areas that had been recently impacted by tropical storms Kai-tak and Tembin. More than 230,000 families in the Philippines were affected and at least 11,000 people sought shelter in evacuation centers. Floods and landslides killed four people across the country, while damaging houses and blocking roads. Maritime transport was greatly disrupted, with rough seas stranding over 3,600 people in various ports. Schools across the country were also shut at various points between January 1 and 3. Economic losses in the Philippines reached 554.7 million (US$10.53 million), mostly caused by crop damage.[nb 2]


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  1. ^ International Monetary Fund, International Financial Statistics (2022). "DEC alternative conversion factor (LCU per US$)". World Bank. Retrieved January 29, 2022.