Penang dams at danger levels
- Admin UKK
- Berita
GEORGE TOWN: Two main dams in Penang have seen a significant drop in raw water storage, with levels falling below 30% as of Monday.
Penang Water Supply Corporation chief executive officer Datuk K. Pathmanathan said the Air Itam Dam’s effective capacity was at 29.7%, equating to 641 million litres out of a total capacity of 2,159 million litres.
He also said the Teluk Bahang Dam’s effective capacity was at 26.4%, equating to 4,810 million litres out of a maximum capacity of 18,240 million litres.
He added that the rate of reduction in the Air Itam Dam capacity has decreased from an average of 0.82% or 17.61 million litres per day in July to 0.51% or 11 million litres per day in the first 12 days of August.
The Teluk Bahang Dam’s effective capacity, which is 8.45 times that of the Air Itam Dam, has also decreased at a slower rate, from 0.31% or 57.1 million litres per day in July to 0.27% or 48.33 million litres per day in August.
He said recent low rainfall has worsened conditions at the dams.
The Air Itam Dam water catchment areas received just 48mm of rain last month and 36mm in the first 12 days of this month while the Teluk Bahang Dam water catchment areas received 47mm of rain this month, decreasing from 84mm during the same period last year.
He said although the current rainfall is insufficient to increase the effective capacities, it does help to slow down the rate of decrease.
To meet water demand, the corporation releases an average of 22.16 million litres per day from the Air Itam Dam to areas such as Air Itam, Farlim and nearby regions.
In addition, 68.06 million litres per day are released from the Teluk Bahang Dam to supply water to Teluk Bahang, Batu Ferringhi, Tanjung Bungah and surrounding areas.
Pathmanathan urged residents in the state to conserve water to help sustain raw water reserves until the next rainy season, Bernama reported.
Commenting on cloud seeding, he said the Disaster Management Agency informed the corporation on Aug 9 that operations would only proceed following advice from the Malaysian Meteorological Department and subject to the availability of Air Force aircraft.
As of Aug 11, rainfall has not been sufficient to improve water storage levels at Penang dams. The Air Itam Dam effective capacity has decreased by 1.2% while the Teluk Bahang Dam effective capacity has fallen by 0.8%.
Paras air di tahap amaran
- Admin UKK
- Berita
Kapasiti semasa takungan air di Empangan Timah Tasoh, Beseri berada sekitar 38.5 peratus dengan jangkaan mampu bertahan untuk tempoh tiga bulan sahaja sekiranya kemarau di negeri ini berterusan.
Bacaan Jabatan Pengairan dan Saliran (JPS) Perlis merekodkan paras air di empangan itu berada pada paras 26.90 meter (m) iaitu berada pada paras amaran setakat kelmarin.
Exco Pertanian, Perladangan dan Makanan negeri, Razali Saad berkata, kerajaan negeri mengambil maklum keresahan dialami seramai 1,221 petani berhubung masalah tanaman padi mereka yang rosak dan tidak menjadi pada waktu ini.
“Ini berlaku kepada terutamanya petani yang berada di luar kawasan pengairan Mada yang meliputi kawasan Titi Tinggi, Beseri, Paya dan Bintong.
“Hal ini disebabkan sumber air bagi tujuan pengairan pertanian di Empangan Timah Tasoh tidak dapat dibekalkan ke kawasan itu disebabkan penurunan paras air akibat cuaca kering sejak beberapa minggu lalu.
“Jika dilihat Empangan Timah Tasoh dengan keluasan 13.3 kilometer persegi dengan aras takungan biasa iaitu 29.1 meter mampu menampung takungan sehingga 40 juta meter kubik air,” katanya dalam kenyataan, semalam.
Katanya, daripada jumlah itu, sebanyak 33.3 juta meter kubik air sahaja dapat digunakan bagi tujuan domestik iaitu secara puratanya adalah 75,000 kubik meter sehari.
“Ini diikuti dengan 55 juta meter kubik setahun bagi pengairan kawasan pertanian seluas 3,075 hektar manakala selebihnya adalah takungan mati.
“Selain itu, empangan ini juga berfungsi untuk mengawal kejadian banjir pada musim hujan dan berdasarkan ‘trend’ taburan hujan yang rendah dan cuaca kering di kawasan sekitar empangan sejak beberapa minggu lalu,” katanya.
Katanya, berdasarkan ramalan Jabatan Meteorologi Malaysia negeri, hujan dijangka lebih kerap berlaku semasa musim peralihan Monsun Barat Daya kepada Monsun Timur Laut antara Ogos hingga September ini.
“Sehubungan itu, paras air di Empangan Timah Tasoh dijangka akan kembali normal sekiranya hujan lebih kerap dalam tempoh itu.
“Bagaimanapun, sekiranya ‘trend’ cuaca kering ini berpanjangan, kita (kerajaan negeri) bersedia dan akan mengambil tindakan sewajarnya dalam menangani situasi ini.
“Permohonan bagi operasi pembenihan awan sudah dikemukakan kepada Agensi Pengurusan Bencana Negara (Nadma) dan sedang menunggu kelulusan serta penyelarasan daripada pihak terbabit,” katanya.
Katanya, kerajaan negeri melalui Exco Hal Ehwal Agama akan mengadakan solat sunat Istisqa untuk memohon hujan di Empangan Timah Tasoh.
“Jika dilihat Empangan Timah Tasoh dengan keluasan 13.3 kilometer persegi dengan aras takungan biasa iaitu 29.1 meter mampu menampung takungan sehingga 40 juta meter kubik air”
Kuala Lumpur: Malaysia mengalami peningkatan empat kali ganda kejadian gelombang haba sejak tahun 1960-an.
Menurut satu laporan media tempatan semalam, analisis Tabung Kanak-kanak Pertubuhan Bangsa-bangsa Bersatu (UNICEF) mendedahkan, negara kini mengalami purata lapan gelombang haba setiap tahun, dengan setiap gelombang berlangsung kira-kira lima hari.
Ini berbanding hanya dua gelombang haba setahun dengan tempoh sehingga empat hari pada tahun 1960-an.
Analisis kajian yang diterbitkan semalam itu turut menunjukkan peningkatan tahap keterukan gelombang haba dengan suhu naik daripada 35 darjah Celsius melebihi purata pada 1960-an kepada 69 darjah Celsius melebihi purata bagi 2020-an.
Bagaimanapun, analisis itu tidak menyatakan suhu purata tempatan pada tahun 1960-an dan 2020-an.
Menurut definisi UNICEF, keterukan gelombang haba merujuk kepada suhu yang melebihi purata 15 hari tempatan.
Analisis turut mencatatkan, musim panas dan kering di Malaysia kini bermula lebih awal, satu trend semakin teruk akibat kejadian El Nino dan mencerminkan kadar perubahan iklim yang pesat.
Ini menimbulkan risiko kepada kira-kira 750,000 kanak-kanak di Malaysia yang kini tinggal di kawasan yang mengalami dua kali ganda hari dengan suhu melebihi 35 darjah Celsius, berbanding 1960-an.
Analisis itu juga mendapati, secara global kira-kira 466 juta kanak-kanak atau satu dalam lima kanak-kanak yang tinggal di kawasan yang mengalami sekurang-kurangnya dua kali ganda bilangan hari sangat panas berbanding 60 tahun lalu.
Di 16 negara, kanak-kanak kini menghadapi tambahan hari sangat panas melebihi sebulan setiap tahun berbanding enam dekad lalu.
Risiko kesihatan serius
UNICEF berkata, Afrika Barat dan Afrika Tengah menghadapi pendedahan tertinggi, dengan 123 juta kanak-kanak mengalami sehingga 212 hari sangat panas setiap tahun.
Amerika Latin dan Caribbean juga menyaksikan peningkatan yang ketara.
Dalam konteks gelombang haba, kanak-kanak di 100 negara kini mengalami dua kali ganda gelombang haba berbanding 60 tahun yang lalu.
Dalam pada itu, UNICEF memberi amaran bahawa kepanasan melampau menimbulkan risiko kesihatan serius termasuk komplikasi kehamilan, kekurangan zat makanan kanak-kanak, penyakit berkaitan haba dan masalah kesihatan mental.
Ia juga memburukkan keadaan kesihatan sedia ada dan meningkatkan masalah penyakit berjangkit.
Justeru, UNICEF menyeru semua negara anggota Perjanjian Paris termasuk Malaysia untuk mengemukakan kemas kini pelan iklim nasional, yang akan memandu tindakan iklim dalam dekad akan datang.
Taman Tasik Taiping serta Empangan Bukit Merah, Perak yang sebelum ini dilaporkan kering akibat kemarau, kini hampir pulih susulan kekerapan penerimaan hujan beberapa minggu lalu. Tinjauan di Taman Tasik Taiping mendapati kawasan itu kini sudah mula dipenuhi air.
PETALING JAYA: Several parts of the country are expected to see brief downpours and thunderstorms over the next few days due to the “squall line” weather phenomenon, say weather experts.
A squall line is a cluster of storms spread out in a line, often accompanied by “squalls” of high wind and heavy rain for a brief period.
Malaysian Meteorological Department (Metmalaysia) director-general Dr Mohd Hisham Mohd Anip said some parts of the country are expected to experience wet weather over the next few days.
“The weather is expected to be wet in the early and late evenings until the end of this week,” he said when contacted yesterday.
Asked if the current wet spell was due to the La Nina weather phenomenon, Mohd Hisham said it was not.
“The La Nina weather phenomenon has yet to begin.
“The current wet spell is due to weaker southwest monsoon winds,” he added.
The southwest monsoon began in mid-may and is expected to continue until next month.
Based on projections by Metmalaysia, heavy showers, strong winds and thunderstorms due to the squall line could affect the west coast of Peninsular Malaysia, north of Sarawak and west of Sabah.
Meteorological expert Prof Datuk Dr Azizan Abu Samah said the recent heavy showers and thunderstorms coupled with the squall line phenomenon were the likely cause of flooding in several districts in Melaka and Negri Sembilan.
“The floods are associated with heavy thunderstorms and the squall line moving from the coast to inland, especially the west coast of the peninsula,” he said.
As for the recent flooding in Labuan, he said it was caused by a different cluster of thunderstorms, and not due to La Nina, which has yet to develop.
Meanwhile, the National Disaster Management Agency (Nadma) said the number of flood victims has reduced in Melaka and Labuan.
As at 4pm yesterday, there were 50 victims in Melaka involving 15 families, and 12 in Labuan involving three families.
The families are currently housed in seven flood relief centres, Nadma said in a statement.
On Monday, over 400 people in Melaka and more than 70 in Negri Sembilan were moved to various flood relief centres while residents in Labuan moved to higher ground after floods affected some areas in the two states and the Federal Territory.
Melaka was the most affected, with 419 people from 123 families evacuated to seven shelters in Alor Gajah.