Showing posts with label Hurricanes. Show all posts
Showing posts with label Hurricanes. Show all posts

Friday, 31 October 2025

At least 56 dead after Hurricane Melissa sweeps across Jamaica, Cuba, and Haiti.

At least 56 people have died in Jamaica and Haiti after Hurricane Melissa swept across the Greater Antilles between 25 and 29 October 2025. The storm first appeared as a tropical depression off the coast of West Africa around 16 October, moving across the Atlantic Ocean, then passing through the Windward Islands on 19 October, before continuing to move westwards across the Caribbean Sea. The weather system began to intensify on 21 October, provoking meteorologists to give it the name Tropical Storm Melissa. On 25 October it began to intensify further, becoming a Category 5 storm early on 27 October. At the same time it changed its direction of movement sweeping northward towards Jamaica, where it made landfall near New Hope about midday on 28 October.

The path and strength of Hurricane Melissa. Thick line indicates the past path of the storm (till 3.00 pm GMT on Friday 31 October 2025), while the thin line indicates the predicted future path of the storm, and the dotted circles the margin of error at 9, 21, 33, 45, 69, and 93 hours ahead. Colour indicated the severity of the storm. Tropical Storm Risk.

Hurricane Melissa reached Jamaica as the joint most intense Hurricane ever to make land, tying with the Labor Day Hurricane of 1935 in having a pressure of only 892 millibars, and a maximum recorded windspeed of 406 km per hour - the highest ever recorded for a storm on Earth. Flooding was reported in the town of Old Harbour ahead of the storm, with much of the parish of Saint Elizabeth under water when it hit. Several villages in the parish are described as being obliterated by the combination of flood waters and high winds, as was the town of Mandeville in neighbouring Manchester Parish. Flooding was also reported in Montego Bay and Kingston, buildings collapsed in Falmouth, and a landslide was reported in Gordon Town. At least 19 people died on the island, including eight in Saint Elizabeth Parish, two (including an infant) in Saint James Parish, nine in Westemoreland Parish, and a pregnant woman in Petersfield.

Storm damage around  St. John's Anglican Church in Black River, Saint Elizabeth Parish, Jamaica, following the passage of Hurricane Melissa. Ricardo Makyn/AFP/Getty Images.

From Jamaica, the storm moved northward to Cuba, where it caused widespread flooding and damage to buildings in Santiago de Cuba Province, although there are no reports of any fatalities there. However, high rainfall associated with the the storm caused several rivers to bust their banks in neighbouring Haiti, where at least 30 people have died and about 20 more are still missing. Four people are also reported to have died in the Dominican Republic, again due to flooding.

Vehicles buried in mud after a river burst its banks in  Petit-GoĆ¢ve, Haiti, following rains associated with Hurricane Melissa. Clarens Siffroy/AFP/Getty Images.

Tropical storms are caused by the warming effect of the Sun over tropical seas. As the air warms it expands, causing a drop in air pressure, and rises, causing air from outside the area to rush in to replace it. If this happens over a sufficiently wide area then the inrushing winds will be affected by centrifugal forces caused by the Earth's rotation (the Coriolis effect). This means that winds will be deflected clockwise in the northern hemisphere and anti-clockwise in the southern hemisphere, eventually creating a large, rotating Tropical Storm. They have different names in different parts of the world, with those in the northwest Atlantic and eastern Pacific being referred to as hurricanes.

The formation of a tropical cyclone. Natural Disaster Management.

Despite the obvious danger of winds of this speed, which can physically blow people, and other large objects, away as well as damaging buildings and uprooting trees, the real danger from these storms comes from the flooding they bring. Each drop millibar drop in air-pressure leads to an approximate 1 cm rise in sea level, with big tropical storms capable of causing a storm surge of several meters. This is always accompanied by heavy rainfall, since warm air over the ocean leads to evaporation of sea water, which is then carried with the storm. These combined often lead to catastrophic flooding in areas hit by tropical storms.

The formation and impact of a storm surge. eSchoolToday.

Hurricane Melissa was the thirteenth named storm in the tropical Atlantic in 2025, the fifth storm to be elevated to hurricane status, and the third Category 5 hurricane of the season. It was also the strongest tropical storm measured anywhere on Earth in 2025, the joint most powerful storm ever to have made land, and produced the highest windspeed ever recorded from a storm on Earth. The size and frequency of such storms is directly linked to the temperature of the sea and the air above it, with rising global temperatures subsequently fuelling more and larger storms, and other extreme weather events in the Caribbean and other tropical regions.

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Friday, 13 October 2023

One person dead after Hurricane Lidia makes landfall in Jalisco State, Mexico.

One person has died and two more have been injured after Hurrican Lidia made landfall close to the resort town of Puerto Vallarta in Jalisco State, Mexico, at about 6.00 pm, local time, on Tuesday 10 October 2023, bringing with it wind speeds of up to 220 km per hour. The storm made landfall on the sparsely populated Cabo Corrientes Peninsula to the south of the city, and rapidly disapated after making landfall, causing little damage outside of Puerto Vallarta, where several houses had roofs blown off by high winds. The person who died was reportedly driving a van in the northern outskirts of the city.

Damage caused by Hurricane Lidia in the resort town of Puerto Vallarta in Jalisco State, Mexico. Oscar Almeida/Out and About Puerto Vallarta.

Tropical storms are caused by the warming effect of the Sun over tropical seas. As the air warms it expands, causing a drop in air pressure, and rises, causing air from outside the area to rush in to replace it. If this happens over a sufficiently wide area then the inrushing winds will be affected by centrifugal forces caused by the Earth's rotation (the Coriolis effect). This means that winds will be deflected clockwise in the northern hemisphere and anti-clockwise in the southern hemisphere, eventually creating a large, rotating Tropical Storm. They have different names in different parts of the world, with those in the northwest Atlantic and eastern Pacific being referred to as hurricanes.

The formation of a tropical cyclone. Natural Disaster Management.

Despite the obvious danger of winds of this speed, which can physically blow people, and other large objects, away as well as damaging buildings and uprooting trees, the real danger from these storms comes from the flooding they bring. Each drop millibar drop in air-pressure leads to an approximate 1 cm rise in sea level, with big tropical storms capable of causing a storm surge of several meters. This is always accompanied by heavy rainfall, since warm air over the ocean leads to evaporation of sea water, which is then carried with the storm. These combined often lead to catastrophic flooding in areas hit by tropical storms.

The formation and impact of a storm surge. eSchoolToday.

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Tuesday, 7 September 2021

Divers looking for source of oil spill find broken pipelines in the Gulf of Mexico.

Divers searching for the source of an oil slick that appeared on the Gulf of Mexico in the wake of Hurricane Ida have found three broken pipelines on the seabed to the south of the city of New Orleans. The oil was first observed on Wednesday 1 September by an aerial survey caried out by the National Oceanic and Atmospheric Administration, with additional footage being taken from a helicopter chartered by the Associated Press the next day. This prompted a clean-up operation by Talos Energy, who previously leased  Bay Marchand, Block 5, the area where the slick appeared, and Clean Gulf Associatesa nonprofit oil-spill response cooperative hired by Talos to help with the operation. Now divers from Clean Gulf have identified a broken 30 cm diameter pipeline with oil leaking from it, plus two further broken 10 cm pipelines, which are not currently leaking, but which may have contributed to the spill. Talos Energy do not believe that these pipelines were part of their operation, as their records show all seabed pipelines operated by the company were removed when their activities ceased in 2017. If this is correct, then it is unclear who the pipelines belonged to.

 
Satellite image showing an oil slick to the south of Port Fourchon, Louisiana, on 2 September 2021. Maxar Technologies/AP.

Hurricane Ida made landfall in Louisiana on Sunday 29 August 2021, and bringing with it high winds and flooding which led to more than 50 deaths on the eastern United States.  However, the fact that the death toll was not much higher has been hailed as a vindication of the billions of dollars that have been invested in the levee system protecting the city of New Orleans following the catastrophic damage caused by Hurricane Katrina sixteen years ago. The city, which was directly in the path of the storm, suffered wind damage as it was battered by 240 km per hour winds, but only a limited amount of flooding. A plan to evacuate large parts of New Orleans in the event of it being hit by another major hurricane was not put into place because of the rapidity with which the storm formed, developing over the Caribbean Sea only four days before making landfall as the fifth largest storm ever to hit the US coast.

The storm also caused flooding at the Phillips 66 Alliance Refinery, which is beside the Mississippi River to the south of New Orleans, where a sheen has subsequently been observed on the water, implying that some leaking has occurred here to, although the refinery was shut down ahead of the storm, which should have prevented any major incident.

Tropical storms, known as hurricanes in the Atlantic and eastern Pacific, are caused by solar energy heating the air above the oceans, which causes the air to rise leading to an inrush of air. If this happens over a large enough area the inrushing air will start to circulate, as the rotation of the Earth causes the winds closer to the equator to move eastwards compared to those further away (the Coriolis Effect). This leads to tropical storms rotating clockwise in the southern hemisphere and anticlockwise in the northern hemisphere. These storms tend to grow in strength as they move across the ocean and lose it as they pass over land (this is not completely true: many tropical storms peter out without reaching land due to wider atmospheric patterns), since the land tends to absorb solar energy while the sea reflects it.

 
The formation of a tropical cyclone. Natural Disaster Management.

Despite the obvious danger of winds of this speed, which can physically blow people, and other large objects, away as well as damaging buildings and uprooting trees, the real danger from these storms comes from the flooding they bring. Each drop millibar drop in air-pressure leads to an approximate 1 cm rise in sea level, with big tropical storms capable of causing a storm surge of several meters. This is always accompanied by heavy rainfall, since warm air over the ocean leads to evaporation of sea water, which is then carried with the storm. These combined often lead to catastrophic flooding in areas hit by tropical storms.

 
The formation and impact of a storm surge. eSchoolToday.

Many officials in the US, including President Joe Biden, have linked Hurricane Ida directly to global warming, noting that the average storm hitting the US today does seven times as much damage as in the 1970s, that 'hundred year' storms now happen several times a decade, and that states formerly to the north of the hurricane zone are now regularly hit by these storms.

Oil spills are potentially harmful to marine life in a variety of ways. Most obviously it can coat the outside of organisms, causing damage to external structures such as the feathers of Birds and fur of Mammals, as well as smothering many marine invertebrates and plants. It also contains a variety of chemicals which can be directly toxic upset the hormonal balance of many animals. Oil also impedes the feeding of marine organisms, coating both food and feeding organs, but provides an excellent food source for Bacteria, which can lead to Eutrophication events - dramatic increases in Bacteria numbers, which then use all the oxygen in the water, leading other organisms to asphyxiate.

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Friday, 3 September 2021

More than fifty dead as Hurricane Ida batters the American east coast.

More than fifty people have now died in the US in incidents linked to Hurricane Ida, which made landfall in Louisiana on Sunday 29 August 2021. The majority of the deaths occurred in northeastern states, which historically have not suffered many such events and were poorly prepared, with the highest number of deaths was recorded in New Jersey, where at least 23 people have died, mostly of drowning after becoming trapped in cars or flooded apartments, although the state was hit by at least one tornado generated by the hurricane, which is reported to have destroyed its largest dairy farm. 

 
Flooding in Manville, New Jersey, on Thursday 2 September 2021. Andrew Mills/NJ Advance Media.

At least fourteen people, including a two year old boy, have lost their lives in New York City, with eleven victims confirmed to have drowned after becoming trapped in flooded basements. The city was forced to temporarily close its streets to non-emergency vehicles to enable rescue work to be carried out, the subway network was closed due to flooding, and thousands of homes were left without power. 80 mm of rain fell in an hour in Central Park, surpassing a previous record of 49 mm, set only a month ago by another tropical storm that hit the city.

 
Flooding in New York linked to Hurricane Ida. AP.

Nine people are reported to have died in storm-related events in Louisiana, including at least one person who drowned, and three who died of carbon monoxide poisoning. However, the fact that the death toll was not much higher has been hailed as a vindication of the billions of dollars that have been invested in the leve system protecting the city of New Orleans following the catastrophic damage caused by Hurricane Katrina sixteen years ago. The city, which was directly in the path of the storm, suffered wind damage as it was battered by 240 km per hour winds, but only a limited amount of flooding. A plan to evacuate large parts of New Orleans in the event of it being hit by another major hurricane was not put into place because of the rapidity with which the storm formed, developing over the Caribbean Sea only four days before making landfall as the fifth largest storm ever to hit the US coast.

 
Buildings demolished by high winds as Hurricane Ida swept over New Orleans. Brandon Bell/Getty Images.

Elsewhere, at least five people have died in Pennsylvania, two each in Mississippi and Alabama, and one death each in Connecticut, Maryland, and Virginia. Many officials in the US, including President Joe Biden, have linked the storm directly to global warming, noting that the average storm hitting the US today does seven times as much damage as in the 1970s, that 'hundred year' storms now happen several times a decade, and that states formerly to the north of the hurricane zone are now regularly hit by these storms.

 
Floodwaters in Bridgeville, Pennsylvania, associated with Hurricane Ida. Pittsburgh Post Gazette/AP.

Tropical storms, known as hurricanes in the Atlantic and eastern Pacific, are caused by solar energy heating the air above the oceans, which causes the air to rise leading to an inrush of air. If this happens over a large enough area the inrushing air will start to circulate, as the rotation of the Earth causes the winds closer to the equator to move eastwards compared to those further away (the Coriolis Effect). This leads to tropical storms rotating clockwise in the southern hemisphere and anticlockwise in the northern hemisphere. These storms tend to grow in strength as they move across the ocean and lose it as they pass over land (this is not completely true: many tropical storms peter out without reaching land due to wider atmospheric patterns), since the land tends to absorb solar energy while the sea reflects it.

 
The formation of a tropical cyclone. Natural Disaster Management.

Despite the obvious danger of winds of this speed, which can physically blow people, and other large objects, away as well as damaging buildings and uprooting trees, the real danger from these storms comes from the flooding they bring. Each drop millibar drop in air-pressure leads to an approximate 1 cm rise in sea level, with big tropical storms capable of causing a storm surge of several meters. This is always accompanied by heavy rainfall, since warm air over the ocean leads to evaporation of sea water, which is then carried with the storm. These combined often lead to catastrophic flooding in areas hit by tropical storms.

 
The formation and impact of a storm surge. eSchoolToday.

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Monday, 23 November 2020

Hurricane Eta exposes nineteenth century shipwreck on the coast of Florida.

Hurricane Eta swept across central Florida on 12 November 2020, causing eleven fatalities, in addition to the 178 it had already claimed in Central America, in addition to causing widespread flooding and causing about a billion dollars' worth of damage to property. After the storm had passed it was discovered that high tides brought on by the hurricane's storm surge had scoured the beach at the Fort Matanzas National Monument in St John's County on the east coast of Florida, exposing the remains of a ship that had been burried by the sand. 

 
Exposed timbers on the foreshore at Fort Matanzas National Monument, believed to have come from an nineteenth century shipwreck. CNN.

The site is now being investigated archaeologists from the St. Augustine Lighthouse Archaeological Maritime Program and students from Flagler College, who have determined that the remains probably belong to the Caroline Eddy, an American merchant ship which sank in the area on 29 August 1880, after becoming caught in a storm.

 
Chuck Meide of the St. Augustine Lighthouse Archaeological Maritime Program examaning timbers believed to have come from the Caroline Eddy, a merchant ship which sank off the coast of Florida in August 1880. St Augustine.

Tropical storms, known as hurricanes in the Caribbean, are caused by solar energy heating the air above the oceans, which causes the air to rise leading to an inrush of air. If this happens over a large enough area the inrushing air will start to circulate, as the rotation of the Earth causes the winds closer to the equator to move eastwards compared to those further away (the Coriolis Effect). This leads to tropical storms rotating clockwise in the southern hemisphere and anticlockwise in the northern hemisphere. These storms tend to grow in strength as they move across the ocean and lose it as they pass over land (this is not completely true: many tropical storms peter out without reaching land due to wider atmospheric patterns), since the land tends to absorb solar energy while the sea reflects it.

 
The formation of a tropical cyclone. Natural Disaster Management.

Despite the obvious danger of winds of this speed, which can physically blow people, and other large objects, away as well as damaging buildings and uprooting trees, the real danger from these storms comes from the flooding they bring. Each drop millibar drop in air-pressure leads to an approximate 1 cm rise in sea level, with big tropical storms capable of causing a storm surge of several meters. This is always accompanied by heavy rainfall, since warm air over the ocean leads to evaporation of sea water, which is then carried with the storm. These combined often lead to catastrophic flooding in areas hit by tropical storms. 

 
The formation and impact of a storm surge. eSchoolToday.

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