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Cyclone Robyn (2024)

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This article is about the 2024 Australian region tropical cyclone. For other storms of the same name, see List of storms named Robyn.
Tropical Cyclone Robyn
Robyn on 28 November
Meteorological history
Formed18 November 2024
Category 2 tropical cyclone
10-minute sustained (BOM)
Highest winds100 km/h (65 mph)
Lowest pressure985 hPa (mbar); 29.09 inHg
Tropical storm
1-minute sustained (SSHWS/JTWC)
Highest winds95 km/h (60 mph)
Lowest pressure988 hPa (mbar); 29.18 inHg
Overall effects
Fatalities1,293 (Sumatra)
Injuries109
Missing4
DamageUnknown
Areas affectedSumatra, Java, Cocos Islands
Part of the 2024–25 Australian region cyclone season

Tropical Cyclone Robyn is an active and deadly tropical cyclone that is causing heavy rains and flooding throughout the Indonesian islands of Sumatra and Java in November 2024. Robyn was the first tropical system to form during the 2024–25 Australian region cyclone season.

Meteorological history

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Map plotting the storm's track and intensity, according to the Saffir–Simpson scale
Map key
Saffir–Simpson scale
  Tropical depression (≤38 mph, ≤62 km/h)
  Tropical storm (39–73 mph, 63–118 km/h)
  Category 1 (74–95 mph, 119–153 km/h)
  Category 2 (96–110 mph, 154–177 km/h)
  Category 3 (111–129 mph, 178–208 km/h)
  Category 4 (130–156 mph, 209–251 km/h)
  Category 5 (≥157 mph, ≥252 km/h)
  Unknown
Storm type
triangle Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression

On 14 November, the Bureau of Meteorology noted that a tropical low could form west of Sumatra.[1] Several days later, they noted that the tropical low was developing.[2] Further consolidation due to a westerly wind burst, which also spawned a twin cyclone, prompted the Joint Typhoon Warning Center to first track it on 23 November.[3] Despite deep convection being displaced due to moderate to high wind shear, the system's circulation became increasingly defined, prompting the JTWC to issue a tropical cyclone formation alert on the disturbance.[4]

Preparations and impact

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Meteorology, Climatology, and Geophysical Agency (BMKG) warned of heavy rains from 01U across Sumatra and Java, and that much of Indonesia's coastline could experience waves of up to 1.25–2.5 m (4.1–8.2 ft), with waves of 2.5–4 m (8.2–13.1 ft) expected along the coastlines of western Sumatra, Banten in Java, and at the Sunda Strait.[5]

Heavy rains killed 10 people in Karo Regency, North Sumatra,[6] including nine from one landslide alone.[7] In Padang Lawas Regency flooding killed five people and destroyed two houses.[8] In Sibolangit, flooding caused four deaths, injured nine and left two missing by 24 November.[9] On 26 November, a landslide occurred in the town, killing nine and injuring 24.[10][11] Severe flooding in South Tapanuli Regency killed two people, injured 76, destroyed 16 houses and damaged 345 others, with three villages recording severe damage.[12][13][14] In Medan, floodwaters damaged 7,699 homes, affecting 24,874 residents.[15]

In Lima Puluh Kota Regency, West Sumatra, flooding killed two people and destroyed three houses.[16] A child drowned at Subulussalam, Aceh, where 17 villages were flooded.[17] Additionally, four people were killed by a landslide in Purworejo Regency[18] and a man died after a river overflowed at Semarang, Central Java.[19] Landslides also damaged 209 houses in Cianjur, West Java.[20] The Citarum River overflowed in Bandung Regency, flooding 30 villages and damaging 2,000 homes.[21] In Malang Regency, East Java, floodwaters killed two students.[22]

See also

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References

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  1. ^ "Tropical cyclone 7 day forecast". Bureau of Meteorology. 15 November 2024. Archived from the original on 14 November 2024. Retrieved 24 November 2024.
  2. ^ "Tropical cyclone 7 day forecast". Bureau of Meteorology. 20 November 2024. Archived from the original on 19 November 2024. Retrieved 24 November 2024.
  3. ^ Significant Tropical Weather Advisory for the Indian Ocean, 1830Z 23 November 2024 Reissued (Report). United States Joint Typhoon Warning Center. 23 November 2024. Archived from the original on 23 November 2024. Retrieved 23 November 2024.
  4. ^ Tropical Cyclone Formation Alert (Invest 96S) Reissued (Report). United States Joint Typhoon Warning Center. 26 November 2024. Archived from the original on 26 November 2024. Retrieved 26 November 2024.
  5. ^ "Ada Bibit Siklon Tropis 96S di Indonesia, Berdampak Hujan Lebat dan Gelombang Tinggi di Wilayah Ini". Kompas (in Indonesian). 23 November 2024. Retrieved 23 November 2024.
  6. ^ "Bencana Banjir Bandang dan Tanah Longsor yang Melanda Sejumlah Wilayah di Provinsi Sumatra Utara". Berita Senator (in Indonesian). 28 November 2024. Retrieved 28 November 2024.
  7. ^ "9 orang meninggal & satu hilang akibat longsor di Karo Sumut" (in Indonesian). Antara. 25 November 2024. Retrieved 25 November 2024.
  8. ^ "5 Orang Tewas Akibat Banjir dan Longsor Telan Korban Jiwa di Padanglawas Sumatera Utara". TribunNews (in Indonesian). 25 November 2024. Retrieved 25 November 2024.
  9. ^ "Banjir bandang di Deli Serdang telan korban jiwa" (in Indonesian). Antara. 24 November 2024. Retrieved 24 November 2024.
  10. ^ "2 Wanita Korban Longsor di Sibolangit Ditemukan Tewas". detik.com (in Indonesian). 28 November 2024. Retrieved 28 November 2024.
  11. ^ "RS Adam Malik: 24 orang korban longsor Sibolangit sudah dirawat" (in Indonesian). Antara. 27 November 2024. Retrieved 27 November 2024.
  12. ^ "Banjir Bandang Di Tapsel, 2 Tewas Dan 3 Desa Rusak Parah". Waspada (in Indonesian). 23 November 2024. Retrieved 23 November 2024.
  13. ^ "Banjir Bandang Tapsel: 2 Orang Tewas, 76 Terluka, Ratusan Bangunan Rusak". Kompas (in Indonesian). 23 November 2024. Retrieved 23 November 2024.
  14. ^ "NAMA-Nama 6 Korban Meninggal Tertimbun Longsor di Palas dan Banjir di Tapsel, Ada Bayi 5 Bulan". TribunNews (in Indonesian). 23 November 2024. Retrieved 23 November 2024.
  15. ^ "BPBD Kota Medan: 24.874 warga terdampak banjir akibat luapan sungai" (in Indonesian). Antara. 28 November 2024. Retrieved 28 November 2024.
  16. ^ "Korban Terakhir Banjir Bandang di Guguak Lima Puluh Kota Sumbar Berhasil Ditemukan". TribunNews (in Indonesian). 26 November 2024. Retrieved 26 November 2024.
  17. ^ "Balita Meninggal Tenggelam Dalam Musibah Banjir Subulussalam". TribunNews (in Indonesian). 19 November 2024. Retrieved 23 November 2024.
  18. ^ "Satu Keluarga di Purworejo Tewas Akibat Bencana Longsor". Republika (in Indonesian). 19 November 2024. Retrieved 23 November 2024.
  19. ^ "Mahasiswa Akpelni Semarang Ditemukan Meninggal di Banjir Kanal Barat Setelah Hanyut Tiga Hari". TribunNews (in Indonesian). 23 November 2024. Retrieved 23 November 2024.
  20. ^ "Bencana Tanah Bergerak di Cianjur, 209 Rumah Rusak, Pemerintah Tetapkan Status Tanggap Darurat". TribunNews (in Indonesian). 25 November 2024. Retrieved 25 November 2024.
  21. ^ "Banjir Luapan Sungai Citarum Bandung, 3.000 Jiwa Terdampak". Kompas (in Indonesian). 23 November 2024. Retrieved 23 November 2024.
  22. ^ "Dua Siswa SD di Malang Tewas Tenggelam di Kubangan Air Hujan". Kompas (in Indonesian). 26 November 2024. Retrieved 26 November 2024.
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