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10 High-Risk Areas for Heavy to Very Heavy Rain

by Chief Editor
written by Chief Editor

Weather Alert: BMKG Predicts Heavy Rainfall in Several Regions for Christmas and Boxing Day

The Badan Meteorologi, Klimatologi, dan Geofisika (BMKG) has issued weather forecasts for Wednesday, December 25, and Thursday, December 26, 2024. Residents are advised to be cautious of potential hydrometeorological disasters such as floods, landslides, and waterlogging, especially in prone areas.

Weather Forecast for Wednesday, December 25, 2024

Light rain is predicted in:

  • Kepulauan Riau
  • Aceh
  • Sumatera Utara
  • Sumatera Barat
  • Riau, Jambi, Kepulauan Bangka Belitung, Banten
  • Jakarta
  • DI Yogyakarta
  • Jawa Timur
  • Bali
  • Kalimantan Barat, Tengah, Selatan, Timur, dan Utara
  • Sulawesi Utara, Gorontalo, Tengah, Barat, dan Tenggara
  • Maluku
  • Papua Barat

Moderate rain is expected in:

  • Sumatera Selatan
  • Lampung
  • Jawa Barat
  • Jawa Tengah
  • Nusa Tenggara Barat
  • Sulawesi Selatan
  • Maluku Utara
  • Papua

Heavy rain is predicted in:

  • Bengkulu
  • Nusa Tenggara Timur

Weather Forecast for Thursday, December 26, 2024

Light rain is predicted in:

  • Aceh
  • Sumatera Barat
  • Jambi
  • Kepulauan Riau
  • Jakarta
  • Gorontalo

Moderate rain is expected in:

  • Sumatera Utara
  • Riau
  • Kepulauan Bangka Belitung
  • Sumatera Selatan
  • Lampung
  • DI Yogyakarta
  • Bali
  • Kalimantan Selatan, Timur, dan Utara
  • Sulawesi Tengah, Selatan, dan Tenggara
  • Maluku Utara

Heavy rain is predicted in:

  • Bengkulu
  • Banten
  • Jawa Barat
  • Jawa Tengah
  • Jawa Timur
  • Nusa Tenggara Barat
  • Kalimantan Barat
  • Kalimantan Tengah
  • Sulawesi Utara
  • Sulawesi Barat
  • Maluku
  • Papua Barat
  • Papua

The BMKG advises residents to stay informed and take necessary precautions to ensure safety during this period.

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Eri Cahyadi Reveals Causes of Surabaya’s Flooding: Extreme Rainfall and Overflowing Rivers

by Chief Editor
written by Chief Editor

Surabaya Floods: Mayor Eri Cahyadi Blames Extreme Rainfall as City Struggles with Severe Flooding

Surabaya Mayor Eri Cahyadi has attributed the severe flooding that hit the Hero City on Tuesday (24/12/2024) to heavy and prolonged rainfall. The downpour, which lasted for four hours, was the primary cause of the widespread floods across various districts in Surabaya.

According to Mayor Eri, the capacity of Surabaya’s rivers, particularly the Kali Surabaya, has exceeded its limits due to the extreme rainfall. "The Kali Surabaya has overflowed and can no longer contain the water," he stated during an interview on Radio Suara Surabaya on Wednesday (25/12/2024).

The situation was further exacerbated by the overflowing of upstream rivers such as Jombang and Mojokerto. "The rainfall intensity was very high, beyond our expectations. It rained non-stop for four hours. The Kali Surabaya was in turmoil due to the conditions in Jombang and Mojokerto as well," Eri explained.

Several affected districts in Surabaya include Tenggilis, Rungkut, Gayungan, Ketintang, Wonocolo, and Gununganyar. The floods in these areas were caused by the overflowing of several rivers and drainage channels, including the Kali Surabaya, Kali Makmur, and Kali Prapen.

"For instance, in the Tenggilis area, the water flowed towards SIER. Then, from SIER, it flowed into the Kali Buntung Sidoarjo. When the Kali Buntung overflowed, it resulted in flooding. Consequently, the water from SIER flowed back into Tenggilis," said Eri Cahyadi.

As of Wednesday morning, the areas of Tenggilis and Rungkut Menanggal were still flooded. Mayor Eri emphasized that Surabaya City Government (Pemkot) has deployed all available resources to tackle the flooding.

"The team has been working non-stop to pump out water, clear drainage channels, and assist affected residents. They haven’t even gone home from yesterday," said Eri.

The mayor also acknowledged the helpful role of box culverts (underground tunnels for drainage) in managing rainwater. However, he noted that when major rivers like the Kali Surabaya overflow, there’s little more that can be done, as the drainage system connects to the rivers and ultimately the sea.

Mayor Eri reaffirmed that Surabaya City Government will continue to strive to address the flood issue as effectively as possible. (saf)

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Top 10 Areas Prepared for Heavy to Very Heavy Rains

by Chief Editor
written by Chief Editor

Christmas Day to Bring Rain Across Indonesia

In a recent weather advisory, the Indonesian Meteorology, Climatology, and Geophysics Agency (BMKG) has forecasted rain for Christmas Day, December 25, 2024, across various regions in Indonesia. The prediction, valid from 07:00 WIB on December 25 until 07:00 WIB on December 26, encompasses rain of varying intensities and durations.

Based on BMKG’s Instagram account, @infoBMKG, light rain is anticipated in the Riau Islands. Moderate rain is predicted in several regions, including Jambi, DI Yogyakarta, Banten, East Java, and Bali. Meanwhile, heavy to very heavy rain is likely in ten regions, spanning from Central Java and West Java to Maluku Utara and Papua.

BMKG’s Digital Forecast Model predicts the following rain intensities and affected regions:

  • Light Rain:
    • Aceh
    • North Sumatra
    • West Sumatra
    • Riau
  • Moderate Rain:
    • Jambi
    • Kepulauan Bangka Belitung
    • Banten
    • DKI Jakarta
    • DI Yogyakarta
    • East Java
    • Bali
  • Heavy Rain:
    • South Sumatra
    • Lampung
    • West Java
    • Central Java
    • West Nusa Tenggara
    • South Sulawesi
    • North Maluku
    • Papua
  • Very Heavy Rain:
    • Bengkulu
    • East Nusa Tenggara

Stay informed with the latest weather updates by visiting the BMKG’s official website (www.bmkg.go.id) or using the InfoBMKG mobile application. Follow @infoBMKG on social media for real-time alerts.

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"Severe Rainfall Alert: BMKG’s Weather Forecast for December 24-25, 2024, Affecting 13 Regions Ahead of Christmas"

by Chief Editor
written by Chief Editor

Heads Up: Expect Rain Across Indonesia Ahead of Christmas 2024

JAKARTA — The Badan Meteorologi, Klimatologi, dan Geofisika (BMKG) has issued its weather forecast for Tuesday, December 24 and Wednesday, December 25, 2024. As Christmas approaches, several regions across Indonesia are predicted to experience rainfall ranging from light to heavy.

As a reminder, Christmas Day, December 25, 2024, is a national holiday for Christian communities. Additionally, the government has declared December 26, 2024, a public holiday in conjunction with Christmas.

BMKG’s Weather Forecast for Tuesday, December 24, 2024

  • Light Rain: Expected in Kepulauan Bangka Belitung and Jakarta.
  • Moderate Rain: Likely in Jambi, Kepulauan Riau, Sumatera Selatan, Lampung, Banten, Jawa Barat, Bali, Nusa Tenggara Barat, Nusa Tenggara Timur, Kalimantan Barat, Kalimantan Tengah, Kalimantan Timur, Kalimantan Utara, Sulawesi Utara, Gorontalo, Sulawesi Tengah, Maluku Utara, and Papua Barat.
  • Heavy Rain: Potentially occurring in Aceh, Sumatera Utara, Sumatera Barat, Riau, Bengkulu, Jawa Tengah, DI Yogyakarta, Jawa Timur, Kalimantan Selatan, Sulawesi Barat, Sulawesi Tenggara, Maluku, and Papua.
  • Very Heavy Rain: Possible in Aceh and Papua.

BMKG’s Weather Forecast for Wednesday, December 25, 2024

  • Moderate Rain: Likely in Aceh, Sumatera Utara, Sumatera Barat, Kepulauan Bangka Belitung, Jakarta, DI Yogyakarta, Bali, Nusa Tenggara Barat, Kalimantan Barat, Kalimantan Selatan, Kalimantan Timur, Kalimantan Utara, Gorontalo, Sulawesi Barat, Sulawesi Selatan, and Papua Barat.
  • Heavy Rain: Potentially occurring in Riau, Jambi, Kepulauan Riau, Sumatera Selatan, Lampung, Banten, Jawa Barat, Jawa Tengah, Jawa Timur, Nusa Tenggara Timur, Kalimantan Tengah, Sulawesi Utara, Sulawesi Tengah, Sulawesi Tenggara, Maluku Utara, and Papua.
  • Very Heavy Rain: Possible in Aceh, Papua, and Kalimantan Tengah.

As always, stay alert to potential hydro-meteorological disasters such as flooding, landslides, and waterlogging, especially in prone areas. Keep this weather update in mind to plan your Christmas celebrations accordingly. For the latest updates, follow @infobmkg on Instagram.

Stay safe and Merry Christmas!

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Peak Rainy Seasons in 2024-2025: BMKG’s Predictions

by Chief Editor
written by Chief Editor

Headline: Indonesia‘s BMKG's Advisory</strong>"</p>”>Peak Rainy Season: Timing and Regional Distribution in 2024/2025

As the rainy season reaches its peak, understanding when and where it will be most intense can help communities brace for potential flooding. The Indonesian Meteorology, Climate and Geophysics Agency (BMKG) has released predictions for the peak rainy season, which is expected to occur towards the end of and early in the new year.

When is the Peak Rainy Season?

According to BMKG, the peak rainy season for 2024 is projected to occur in November-December 2024, followed by January-February 2025. Unlike previous years, this year’s peak rainy season is expected to arrive earlier than normal. However, the accumulated rainfall during this period is predicted to be within the normal category, indicating no excessively wet or dry conditions.

Regional Distribution During Peak Rainy Season

The peak rainy season will affect different regions at different times:

  • November-December 2024: The western part of Indonesia, including Sumatra, the southern coastal region of Java, and Kalimantan, will experience the peak of the rainy season during this period.
  • January-February 2025: The eastern part of Indonesia, including Lampung, northern Java, parts of Sulawesi, Bali, NTB, NTT, and most of Papua, will see the peak of the rainy season during these months.

Comparison of Peak Rainy Season with Normal Conditions

BMKG’s "Rainy Season Forecast 2024/2025 in Indonesia" book predicts that approximately 332 out of 700 Zona Musim (ZOM) (48%) will experience a peak that aligns with normal conditions. These regions include most of Sumatra, central Java, northern Kalimantan, Timor NTT, northern Maluku, and most of Papua.

Around 246 ZOM (35%) are expected to have an earlier-than-usual peak, including parts of Sumatra, most of Java, central Kalimantan, central to northern Sulawesi, Bali, NTB, southern Maluku, Maluku’s coastal areas, western Kalimantan, and the northern part of Merauke, Papua.

Lastly, about 121 ZOM (17%) may experience a delayed peak compared to normal conditions. These regions include eastern Kalimantan’s coastal areas, parts of NTT, southern Sulawesi, central Maluku, Sorong, western Papua, and most of Papua.

La Niña Phenomenon

ENSO predictions indicate a potential La Niña event from late 2024 to March 2025. Generally, La Niña tends to bring wetter conditions to Indonesia. However, its impact can vary across different regions. La Niña occurs when sea surface temperatures in the Pacific Equatorial region are cooler than usual, potentially increasing rainfall in Indonesia if local sea temperatures are warm.

Stay informed and prepared for the upcoming peak rainy season to ensure your safety and the well-being of your community.

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