Less than a week after the onset of the Northeast monsoon, there are two weather systems brewing off the Indian Southwest coast and the Southeast coast. As per the Indian Meteorological Department (IMD), a well marked low pressure area near Lakshadweep area, off India's southwest coast, is likely to intensify into a depression over the next 24 hours. Meanwhile, a low pressure area is expected to form off the Indian southeast coast, and intensify into a depression over the next 48hours.In meteorology, a low-pressure area is one where the atmospheric pressure is lower than the surrounding areas. It is associated with cloud formation, increased, humidity and rainfall. It causes moderate rain, cloudy skies. A depression is an intense low-pressure area that brins moderate to heavy rainfall, thunderstorms, gusty winds.Owing to these weather systems, wind speeds of upto 55kmph are forecast along the Southeast coast and the Southwest coast until 24th October, Friday. Fishermen have been advised to not venture out along the Kerala-Karnataka coast, the Lakshadweep region, Tamil Nadu Coast, Palk Straits, among others.Through this week, there is a rainfall warning for over a dozen districts across Tamil Nadu, including Chennai and adjoining districts. The forecast suggests that there could be very heavy rain (12-20cms in 24 hours) or heavy rain (7-11cms) in multiple districts across Tamil Nadu.The ongoing Northeast monsoon caters for about 50% or more of the annual rainfall in Tamil Nadu and coastal Andhra Pradesh. This season is known for cyclonic storms or weather systems that form in the Bay of Bengal, which can lead to very heavy rainfall and potential flooding in parts of Tamil Nadu and coastal Andhra Pradesh. These rains are also crucial for recharging the water table and the reservoirs.&nbsp;

The ongoing Northeast monsoon caters for about 50% or more of the annual rainfall in Tamil Nadu and coastal Andhra Pradesh. 

Less than a week after the onset of the Northeast monsoon, there are two weather systems brewing off the Indian Southwest coast and the Southeast coast. As per the Indian Meteorological Department (IMD), a well marked low pressure area near Lakshadweep area, off India's southwest coast, is likely to intensify into a depression over the next 24 hours. Meanwhile, a low pressure area is expected to form off the Indian southeast coast, and intensify into a depression over the next 48hours. In meteorology, a low-pressure area is one where the atmospheric pressure is lower than the surrounding areas. It is associated with cloud formation, increased, humidity and rainfall. It causes moderate rain, cloudy skies. A depression is an intense low-pressure area that brins moderate to heavy rainfall, thunderstorms, gusty winds. Owing to these weather systems, wind speeds of upto 55kmph are forecast along the Southeast coast and the Southwest coast until 24th October, Friday. Fishermen have been advised to not venture out along the Kerala-Karnataka coast, the Lakshadweep region, Tamil Nadu Coast, Palk Straits, among others. Through this week, there is a rainfall warning for over a dozen districts across Tamil Nadu, including Chennai and adjoining districts. The forecast suggests that there could be very heavy rain (12-20cms in 24 hours) or heavy rain (7-11cms) in multiple districts across Tamil Nadu. The ongoing Northeast monsoon caters for about 50% or more of the annual rainfall in Tamil Nadu and coastal Andhra Pradesh. This season is known for cyclonic storms or weather systems that form in the Bay of Bengal, which can lead to very heavy rainfall and potential flooding in parts of Tamil Nadu and coastal Andhra Pradesh. These rains are also crucial for recharging the water table and the reservoirs.

The ongoing Northeast monsoon caters for about 50% or more of the annual rainfall in Tamil Nadu and coastal Andhra Pradesh.&nbsp;

Weather systems brewing off India's southwest and southeast coast

According to the Indian Meteorological Department(IMD), a low-pressure area has formed off India's southwest coast, over the Lakshadweep area, off Kerala-Karnataka coasts, as of Saturday, 18th&nbsp;October. It is expected to intensify into a depsression during the next 48hours.&nbsp;&nbsp;In meteorology, a low-pressure area is one where the atmospheric pressure is lower than the surrounding areas.It is associated with cloud formation, increased, humidity and rainfall. It causes moderate rain, cloudy skies. A depression is an intense low-pressure area that brins moderate to heavy rainfall, thunderstorms, gusty winds.&nbsp;&nbsp;Fishermen have been advised not to venture out along the Kerala-Karnataka coast, South Tamil Nadu coast until 20th October, Monday. Windspeeds in the region are likely to exceed 55-60kmph.&nbsp;&nbsp;Further, the IMD has also forecast that the a low pressure area is likely to form over India's southeast coast next week, around 24th&nbsp;October. It is expected to move west-northwestwards and intensify further.&nbsp;&nbsp;It is on Thursday, 16th&nbsp;October that the IMD announced the &nbsp;start of Northeast Monsoon rainfall activity over India's Southeastern coastal region including Tamil Nadu, Puducherry &amp; Karaikal, Coastal Andhra Pradesh, Rayalaseema, and Southwestern regions such as South Interior Karnataka and Kerala-Mahe.&nbsp;&nbsp;Active between June and September, the southwest monsoon brings in the vast majority of India's annual rainfall. Likewise, the Northeast monsoon brings rains across parts of southeastern coast of India, in the final three months of the year. Also known as the retreating monsoon, the Northeast monsoon is the second major rainfall season in India, and is crucial for large parts of Tamil Nadu, Andhra Pradesh, Puducherry.&nbsp;&nbsp;The two are related in such a way that the Northeast monsoon occurs when the southwest monsoon withdrawal, and the wind direction reverses. The Northeast monsoon sets in around mid-October and goes on till mid-December.&nbsp;&nbsp;The Northeast monsoon caters for about 50% or more of the annual rainfall in Tamil Nadu and coastal Andhra Pradesh. This season is known for cyclonic storms or weather systems that form in the Bay of Bengal, which can lead to very heavy rainfall and potential flooding in parts of Tamil Nadu and coastal Andhra Pradesh. These rains are also crucial for recharging the water table and the reservoirs.&nbsp;

A low-pressure area has formed near Lakshadweep and may intensify into a depression within 48 hours, bringing rain and strong winds. Fishermen are advised to avoid the Kerala-Karnataka-South TN coast. IMD also forecasts another system near SE India by Oct 24, as the Northeast Monsoon begins.

According to the Indian Meteorological Department(IMD), a low-pressure area has formed off India's southwest coast, over the Lakshadweep area, off Kerala-Karnataka coasts, as of Saturday, 18th October. It is expected to intensify into a depsression during the next 48hours. In meteorology, a low-pressure area is one where the atmospheric pressure is lower than the surrounding areas.It is associated with cloud formation, increased, humidity and rainfall. It causes moderate rain, cloudy skies. A depression is an intense low-pressure area that brins moderate to heavy rainfall, thunderstorms, gusty winds. Fishermen have been advised not to venture out along the Kerala-Karnataka coast, South Tamil Nadu coast until 20th October, Monday. Windspeeds in the region are likely to exceed 55-60kmph. Further, the IMD has also forecast that the a low pressure area is likely to form over India's southeast coast next week, around 24th October. It is expected to move west-northwestwards and intensify further. It is on Thursday, 16th October that the IMD announced the start of Northeast Monsoon rainfall activity over India's Southeastern coastal region including Tamil Nadu, Puducherry & Karaikal, Coastal Andhra Pradesh, Rayalaseema, and Southwestern regions such as South Interior Karnataka and Kerala-Mahe. Active between June and September, the southwest monsoon brings in the vast majority of India's annual rainfall. Likewise, the Northeast monsoon brings rains across parts of southeastern coast of India, in the final three months of the year. Also known as the retreating monsoon, the Northeast monsoon is the second major rainfall season in India, and is crucial for large parts of Tamil Nadu, Andhra Pradesh, Puducherry. The two are related in such a way that the Northeast monsoon occurs when the southwest monsoon withdrawal, and the wind direction reverses. The Northeast monsoon sets in around mid-October and goes on till mid-December. The Northeast monsoon caters for about 50% or more of the annual rainfall in Tamil Nadu and coastal Andhra Pradesh. This season is known for cyclonic storms or weather systems that form in the Bay of Bengal, which can lead to very heavy rainfall and potential flooding in parts of Tamil Nadu and coastal Andhra Pradesh. These rains are also crucial for recharging the water table and the reservoirs.

A low-pressure area has formed near Lakshadweep and may intensify into a depression within 48 hours, bringing rain and strong winds. Fishermen are advised to avoid the Kerala-Karnataka-South TN coast. IMD also forecasts another system near SE India by Oct 24, as the Northeast Monsoon begins.

Weather system off Kerala-Karnataka coasts

In an unusual occurrence during the summer months, a weather system is brewing in the Bay of Bengal, off India&rsquo;s east coast. &ldquo;The weather system in the Bay of Bengal has evolved into a Well Marked Low Pressure Area, as on Tuesday, 8th April. It is likely to move north-northwestwards during the next 24 hours over the Westcentral Bay of Bengal, maintaining the intensity of the Well Marked Low,&rdquo; said the Indian Meteorological Department (IMD).
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Owing to the impact of this weather system, gusty winds are forecast for parts of the Tamil Nadu Coast. Squally weather with wind speed 35 kmph to 45 kmph gusting to 55 kmph is likely to prevail along and off the South Tamil Nadu Coast, Palk Straits, and adjoining areas, said the IMD.&nbsp;
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The windy conditions are expected to prevail between Thursday, 10th April, and Saturday, 12th April. For this period, fishermen have been advised not to venture out into the aforementioned areas.
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Through the week, light to moderate rainfall, occasionally with thunderstorms, is likely in parts of Tamil Nadu and Puducherry. Also Read | <a href="https://www.wionews.com/world/over-100-chemical-weapons-sites-may-still-be-existing-in-syria-report-8932763" rel="dofollow">Over 100 chemical weapons sites of Assad regime may still be existing in Syria: Report</a>

India News: The windy conditions are expected to prevail between Thursday, 10th April, and Saturday, 12th April. For this period, fishermen have been advised not to venture out into the mentioned areas.

In an unusual occurrence during the summer months, a weather system is brewing in the Bay of Bengal, off India’s east coast. “The weather system in the Bay of Bengal has evolved into a Well Marked Low Pressure Area, as on Tuesday, 8th April. It is likely to move north-northwestwards during the next 24 hours over the Westcentral Bay of Bengal, maintaining the intensity of the Well Marked Low,” said the Indian Meteorological Department (IMD). Also Read | Allah kept me alive for a reason’: Hasina slams Yunus, says Bangladesh has been turned into a ‘terrorist country’ Owing to the impact of this weather system, gusty winds are forecast for parts of the Tamil Nadu Coast. Squally weather with wind speed 35 kmph to 45 kmph gusting to 55 kmph is likely to prevail along and off the South Tamil Nadu Coast, Palk Straits, and adjoining areas, said the IMD. Also Read | State executions rise 32% to decade high; Iran, Iraq and Saudi Arabia behind ‘sharp surge’ The windy conditions are expected to prevail between Thursday, 10th April, and Saturday, 12th April. For this period, fishermen have been advised not to venture out into the aforementioned areas. Also Read | Video: UK’s Birmingham needs the Pied Piper as rats run amok in city amid trash piles Through the week, light to moderate rainfall, occasionally with thunderstorms, is likely in parts of Tamil Nadu and Puducherry. Also Read | Over 100 chemical weapons sites of Assad regime may still be existing in Syria: Report

IMD warning for fishers, weather system brews in Bay of Bengal

In an unusual occurrence during the summer months, a weather system is brewing in the Bay of Bengal, off India&rsquo;s east coast. A low-pressure area has formed over central parts of the South Bay of Bengal on Monday, 7th April, with the associated cyclonic circulation extending up to 5.8 km above mean sea level, said the Indian Meteorological Department (IMD).
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A low-pressure area is a region where the air pressure is lower than the surrounding areas. They are often associated with stormy weather, such as rain, thunderstorms, and cyclones, depending on the intensity of the weather system.
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&ldquo;It is likely to move northwestwards over the Southwest Bay of Bengal till 8th April and thereafter likely to move nearly northwards over the Westcentral Bay of Bengal during the subsequent 48 hours,&rdquo; said the IMD.
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As a result of this weather system, the IMD has forecast light to moderate rain for parts of South and North Tamil Nadu and Puducherry through this week. Meanwhile, for Monday and Tuesday, a heavy rainfall warning has been issued for isolated places over Ramanathapuram, Pudukottai, Thanjavur, Tiruvarur, Nagapattinam, and Mayiladuthurai districts of Tamil Nadu. Gusty winds of 40-50 kmph are also forecast.
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While there is a forecast for rain, broadly it is said that the humid air and high temperatures would lead to uncomfortable weather over parts of Tamil Nadu.

India News: While there is a forecast for rain, broadly it is said that the humid air and high temperatures would lead to uncomfortable weather over parts of Tamil Nadu.

In an unusual occurrence during the summer months, a weather system is brewing in the Bay of Bengal, off India’s east coast. A low-pressure area has formed over central parts of the South Bay of Bengal on Monday, 7th April, with the associated cyclonic circulation extending up to 5.8 km above mean sea level, said the Indian Meteorological Department (IMD). Also Read | Petrol, diesel prices to go up? Indian govt raises excise duty. Here’s how it will affect your pocket A low-pressure area is a region where the air pressure is lower than the surrounding areas. They are often associated with stormy weather, such as rain, thunderstorms, and cyclones, depending on the intensity of the weather system. Also Read | India has discovered over 93,000 tonnes of uranium since 2020: Report “It is likely to move northwestwards over the Southwest Bay of Bengal till 8th April and thereafter likely to move nearly northwards over the Westcentral Bay of Bengal during the subsequent 48 hours,” said the IMD. Also Read | Saudi Arabia temporarily bans visas for India, Pakistan, Bangladesh and 11 other countries - Here’s why As a result of this weather system, the IMD has forecast light to moderate rain for parts of South and North Tamil Nadu and Puducherry through this week. Meanwhile, for Monday and Tuesday, a heavy rainfall warning has been issued for isolated places over Ramanathapuram, Pudukottai, Thanjavur, Tiruvarur, Nagapattinam, and Mayiladuthurai districts of Tamil Nadu. Gusty winds of 40-50 kmph are also forecast. Also Read | Twenty-year-old college student collapses on stage while delivering speech, dies of heart attack- VIDEO While there is a forecast for rain, broadly it is said that the humid air and high temperatures would lead to uncomfortable weather over parts of Tamil Nadu.

Amid summer, weather system brews in Bay of Bengal

India is assisting neighbouring nations in establishing an early warning system. The early warning system will help in mitigating the impact of extreme weather events.

India helping five nations to build early warning system for extreme weather

At least eight people, including four children, died by electrocution in two separate incidents after days of heavy rain-triggered floods in informal settlements near the South African city of Cape Town, according to media reports citing local officials, on Tuesday (Sep 26). This comes amid reports of record levels of rain in the larger Western Cape region.&nbsp;

<h2>What happened?</h2>

According to the Cape Town Disaster Risk Management service, the deaths occurred on the outskirts of the southern port city. Four people died in the Driftsands settlement on the eastern outskirts after floods caused issues with the electricity connections and four children were electrocuted and died in the Klipfontein settlement, said the officials.&nbsp;

WATCH |&nbsp;Intense storm wreaks havoc in Cape Town; widespread flooding after extreme weather in South Africa

<div class="videoWrapper trancodeVideo"><iframe allowfullscreen="" autoplay="1" class="includeVideo" frameborder="0" height="350" src="https://www.wionews.com/videos/intense-storm-wreaks-havoc-in-cape-town-widespread-flooding-after-extreme-weather-in-south-africa-639639/embed" style="width:100%;max-width:560px;" width="560"></iframe></div>

These incidents, as per media reports, have been attributed to illegal power connections in many homes in the poor townships on the outskirts of the country’s second-biggest city and while these makeshift electricity connections are deemed dangerous they are relatively widespread.

<h2>Torrential rainfall and floods in South Africa</h2>

Anton Bredell, the provincial minister for environmental affairs, reported that the Western Cape region witnessed record levels of rain on Sunday (Sep 24) and Monday, as per AFP.&nbsp;

In the last three days, a storm front hit the Cape Town area and the larger Western Cape province caused rivers to burst their banks and flooding residential areas and major roads, both in coastal regions and inland.&nbsp;

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This has since prompted the evacuations of hundreds of residents. On Tuesday, Bredell said that things were “under control” and that they were busy “with the mop up, the recovery phase.”&nbsp;

The flood-hit regions also witnessed widespread power outages affecting as many as 80,000 across the province, the national power utility had said previously. However, this number was revised to 15,000, as of Tuesday after the rain eased.&nbsp;

Overall, at least 1,500 structures and 6,000 people were affected by flooding, said the provincial minister.&nbsp;

ALSO READ |&nbsp;<a href="https://www.wionews.com/world/unprecented-floods-battter-south-africa-death-toll-rises-to-443-471722">'Unprecedented' floods battter South Africa, death toll rises to 443</a>

The recent floods have been attributed to the cold fronts which are a common phenomenon in the Cape Town region and the Western Cape province.&nbsp;

On Monday (Sep 25), the South African Weather Services issued an ‘Orange level 9’ warning and indicated the possibility of further flooding as the weather system moves east across South Africa.

(With inputs from agencies) &nbsp;&nbsp; 
 
 
&nbsp;

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At least eight people, including four children, died by electrocution in two separate incidents after days of heavy rain-triggered floods in informal settlements near the South African city of Cape Town, according to media reports citing local officials, on Tuesday (Sep 26).

At least eight people, including four children, died by electrocution in two separate incidents after days of heavy rain-triggered floods in informal settlements near the South African city of Cape Town, according to media reports citing local officials, on Tuesday (Sep 26). This comes amid reports of record levels of rain in the larger Western Cape region. What happened? According to the Cape Town Disaster Risk Management service, the deaths occurred on the outskirts of the southern port city. Four people died in the Driftsands settlement on the eastern outskirts after floods caused issues with the electricity connections and four children were electrocuted and died in the Klipfontein settlement, said the officials. WATCH | Intense storm wreaks havoc in Cape Town; widespread flooding after extreme weather in South Africa These incidents, as per media reports, have been attributed to illegal power connections in many homes in the poor townships on the outskirts of the country’s second-biggest city and while these makeshift electricity connections are deemed dangerous they are relatively widespread. Torrential rainfall and floods in South Africa Anton Bredell, the provincial minister for environmental affairs, reported that the Western Cape region witnessed record levels of rain on Sunday (Sep 24) and Monday, as per AFP. In the last three days, a storm front hit the Cape Town area and the larger Western Cape province caused rivers to burst their banks and flooding residential areas and major roads, both in coastal regions and inland. ALSO READ | South Korea court finds ban on anti-North Korea propaganda leaflets ‘unconstitutional’ This has since prompted the evacuations of hundreds of residents. On Tuesday, Bredell said that things were “under control” and that they were busy “with the mop up, the recovery phase.” The flood-hit regions also witnessed widespread power outages affecting as many as 80,000 across the province, the national power utility had said previously. However, this number was revised to 15,000, as of Tuesday after the rain eased. Overall, at least 1,500 structures and 6,000 people were affected by flooding, said the provincial minister. ALSO READ | 'Unprecedented' floods battter South Africa, death toll rises to 443 The recent floods have been attributed to the cold fronts which are a common phenomenon in the Cape Town region and the Western Cape province. On Monday (Sep 25), the South African Weather Services issued an ‘Orange level 9’ warning and indicated the possibility of further flooding as the weather system moves east across South Africa. (With inputs from agencies) WATCH WION LIVE HERE You can now write for wionews.com and be a part of the community. Share your stories and opinions with us here.

South Africa: At least 8 killed amid heavy rains, floods in Cape Town

Several bomb cyclones have made headlines in recent years and the latest one which hit northeast United States has thrown normal life out of gear.

Bombogenesis or &#39;Bomb cyclone&#39; is a popular term that describes a mid-latitude cyclone that intensifies rapidly. It is a&nbsp;powerful winter storm in which a weather system experiences a sharp drop in atmospheric pressure and intensifies rapidly, unleashing hurricane-force winds.

The technical term is &#39;Explosive cyclogenesis&#39; or &#39;Bombogenesis&#39;. Bomb cyclone is a shorter way of saying it which comes from combining &quot;bomb&quot; with &quot;cyclogenesis&quot;.

According to the US-based National Oceanic and Atmospheric Administration (NOAA) &#39;Bomb cyclone&#39; occurs when a mid-latitude cyclone rapidly intensifies, dropping at least 24 millibars over 24 hours.

A millibar is a unit of pressure that measures the weight of the atmosphere overhead. Sea-level pressure is about 1,010 millibars.

This can happen when a cold air mass collides with a warm air mass, such as air over warm ocean waters. The formation of this rapidly strengthening weather system is a process called bombogenesis, which creates what is known as a bomb cyclone.

Bomb cyclone refers to a meteorological phenomenon known as bombogenesis, in which a storm's minimum central pressure drops by at least 24 millibars in 24 hours.

Several bomb cyclones have made headlines in recent years and the latest one which hit northeast United States has thrown normal life out of gear. Bombogenesis or 'Bomb cyclone' is a popular term that describes a mid-latitude cyclone that intensifies rapidly. It is a powerful winter storm in which a weather system experiences a sharp drop in atmospheric pressure and intensifies rapidly, unleashing hurricane-force winds. The technical term is 'Explosive cyclogenesis' or 'Bombogenesis'. Bomb cyclone is a shorter way of saying it which comes from combining "bomb" with "cyclogenesis". According to the US-based National Oceanic and Atmospheric Administration (NOAA) 'Bomb cyclone' occurs when a mid-latitude cyclone rapidly intensifies, dropping at least 24 millibars over 24 hours. A millibar is a unit of pressure that measures the weight of the atmosphere overhead. Sea-level pressure is about 1,010 millibars. This can happen when a cold air mass collides with a warm air mass, such as air over warm ocean waters. The formation of this rapidly strengthening weather system is a process called bombogenesis, which creates what is known as a bomb cyclone.

Watch: What is 'Bomb cyclone'?

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