Tropical Cyclone Rai in Northern Papua Has Impact on Indonesia’s Weather – BMKG by means of the Jakarta Tropical Cyclone Warning Center (TCWC) reported the formation of Tropical Cyclone Rai around the West Pacific north of Papua. This has an impact on Indonesia’s weather.

 “Based on the latest atmospheric dynamics analysis, Tropical Cyclone Rai was formed at a position of 6.0 degrees N, 140.8 degrees East Longitude (about 950 km north-northeast of Biak) with maximum wind speeds around its center reaching 35 knots (65 km/hour), and the air pressure at the center is around 998hPa,” said Deputy for Meteorology Guswanto, Tuesday, December 14, 2021.

 For the next 48 hours period, Tropical Cyclone Rai will still show its existence with an increasing trend and the movement of the system in a west-northwest direction is further away from Indonesian territory. Tropical Cyclone Rai grows in the area where the RSMC (Regional Specialized Meteorological Center) Tokyo has responsible, so the authorization for the analysis and naming of the cyclone system is conducted by the RSMC Tokyo.

In the next 24 hours period, Tropical Cyclone Rai can have an indirect impact on weather conditions, including the potential for moderate to heavy rain in North Sulawesi, North Maluku, West Papua and Papua. Then the potential for strong winds of 15-20 knots (27-37 km/hour) in the northern part of West Papua, Biak, northern Papua, North Maluku.

Furthermore, the potential for sea waves with a wave height of 1.25 – 2.5 meters (Moderate) in the East Sulawesi Sea area, Bitung Waters – Likupang – Sitaro Islands, the South Waters of North Sulawesi, the South Maluku Sea, the West Waters of the Halmahera Islands and Cendrawasih Bay.

 In addition to, the potential for sea waves with wave heights of 2.5 – 4.0 meters (Rough Sea) in the Sangihe – Talaud Islands, the North Maluku Sea, North and East Waters of Halmahera Islands, Halmahera Sea, North Waters of West Papua – Papua and the North Pacific Ocean of Halmahera – Papua.

 “Meanwhile, the 95S Tropical Cyclone Seed System identified in the last two days around the Arafura Sea, based on today’s analysis the circulation system is still quite persistent with weak intensity as well as the probability is still low to become a tropical cyclone system in the next 24 hours,” said Guswanto.

To strengthen early warning information on the potential for extreme weather at the regional level, the Provincial BMKG UPT actively disseminates early warning information on the potential for extreme weather and coordinates with related parties.

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