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Hurricane Isaac (2000)

 

 
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Hurricane Isaac (2000)
 
 
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Hurricane Isaac was a tropical cyclone which was tied for the strongest tropical cyclone of the 2000 Atlantic hurricane season
2000 Atlantic hurricane season

The 2000 Atlantic hurricane season was a fairly active season, with 15 named storms, 8 hurricanes, and a subtropical storm that never attained tropical characteristics....
. Isaac formed on September 21 and merged with a low pressure area
Low pressure area

A low pressure area, or "low", is a region where the atmospheric pressure is lower in relation to the surrounding area. Low pressure systems form under areas of upper level divergence on the east side of upper troughs, or due to localized heating caused by greater insolation or active thunderstorm activity....
 on October 4. Isaac peaked at 140 mph (220 km/h) on September 28, and then began to weaken as it moved into colder waters. The storm had no interaction with land while tropical, but did cause one fatality on Long Island
Long Island

Long Island is an island located in southeastern New York, United States, just east of Manhattan. Stretching northeast into the Atlantic Ocean, Long Island contains four counties, two of which are Borough s of New York City, and two of which are mainly suburban....
 when large swells generated by Isaac overturned a boat.






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Hurricane Isaac was a tropical cyclone which was tied for the strongest tropical cyclone of the 2000 Atlantic hurricane season
2000 Atlantic hurricane season

The 2000 Atlantic hurricane season was a fairly active season, with 15 named storms, 8 hurricanes, and a subtropical storm that never attained tropical characteristics....
. Isaac formed on September 21 and merged with a low pressure area
Low pressure area

A low pressure area, or "low", is a region where the atmospheric pressure is lower in relation to the surrounding area. Low pressure systems form under areas of upper level divergence on the east side of upper troughs, or due to localized heating caused by greater insolation or active thunderstorm activity....
 on October 4. Isaac peaked at 140 mph (220 km/h) on September 28, and then began to weaken as it moved into colder waters. The storm had no interaction with land while tropical, but did cause one fatality on Long Island
Long Island

Long Island is an island located in southeastern New York, United States, just east of Manhattan. Stretching northeast into the Atlantic Ocean, Long Island contains four counties, two of which are Borough s of New York City, and two of which are mainly suburban....
 when large swells generated by Isaac overturned a boat. While extratropical, Isaac skirted the British Isles
British Isles

The British Isles are a group of islands off the northwest coast of continental Europe that include Great Britain and Ireland, and numerous smaller islands....
, producing below gale-force winds. Isaac also was tied with Hurricane Keith
Hurricane Keith

Hurricane Keith, the strongest hurricane of the 2000 Atlantic hurricane season, was a Caribbean hurricane that caused great damage across Belize and southern Mexico....
 for the strongest hurricane of the 2000 season.

Meteorological history

A tropical wave moved off the Africa
Africa

Africa is the world's second-largest and second most-populous continent, after Asia. At about 30.2 million km? including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area....
n coast on September 20 which was associated with some convective activity. The first Dvorak classification was issued soon after. The convection from the tropical wave consolidated, and on September 21, it became Tropical Depression Thirteen. The QuikScat
QuikSCAT

The QuikSCAT is an earth-observing satellite that provides wind speed and direction information over oceans to National Oceanic and Atmospheric Administration....
 satillite recorded winds of up to 60 miles per hour (90 km/h), although the official intensity at the first advisory from the National Hurricane Center
National Hurricane Center

The National Hurricane Center , located at Florida International University in Miami, Florida, is the division of National Weather Service's Tropical Prediction Center responsible for tracking and predicting the likely behavior of tropical depressions, tropical storms and tropical cyclone....
 kept it at 35 mph (55  km/h). The tropical depression was upgraded into Tropical Storm Isaac on the morning of September 22. A ridge was present over parts of the eastern Atlantic Ocean
Atlantic Ocean

The Atlantic Ocean is the second-largest of the world's oceanic divisions; with a total area of about 106.4 million square kilometres . It covers approximately one-fifth of the Earth's surface....
 which provided strong steering currents. Wind shear around Isaac was weak, thus, causing it to intensify gradually. Isaac reached hurricane status by the afternoon of September 23.

Isaac quickly intensified into a 120 mph (200 km/h) major hurricane on September 24. However, the cloud patterns within Isaac became less distinct and organized, primarily from internal fluctuations. Vertical wind shear became visible, weakening the cyclone. The National Hurricane Center
National Hurricane Center

The National Hurricane Center , located at Florida International University in Miami, Florida, is the division of National Weather Service's Tropical Prediction Center responsible for tracking and predicting the likely behavior of tropical depressions, tropical storms and tropical cyclone....
 predicted that had probably peaked in intensity. During the period of September 24 through September 26, Isaac had weakened from a major hurricane to a moderate Category 1. The wind shear calmed on the 26th, and convection came back together. Isaac's eye, which had disappeared on September 26, was now visible again. Isaac regained major hurricane status on the 28th, and reached its peak intensity of 140 mph (220 km/h) soon after. Isaac turned west-northwestward and passed close to Bermuda
Bermuda

Bermuda is a British overseas territory in the Atlantic Ocean. Located off the east coast of the United States, it is situated around 1770 kilometres northeast of Miami, Florida, and 1350 kilometres south of Halifax Regional Municipality, Canada....
 on September 29. As Isaac moved over colder waters, the cyclone began to weaken. Weakening continued, as Isaac fell to 105 mph winds on the afternoon of September 29. Isaac was down to Category 1 status by September 30. Isaac kept hurricane for a few hours, finally weakening into a tropical storm on October 1. Isaac, now almost fully extratropical, but weakening was going to be slim. The National Hurricane Center released its final advisory six hours later, as Isaac was almost fully extratropical. The extratropical remnants of Isaac continued over the next few days, grazing the British Isles
British Isles

The British Isles are a group of islands off the northwest coast of continental Europe that include Great Britain and Ireland, and numerous smaller islands....
. The extratropical system merged with an extratropical low on October 4.

Preparations, impact and naming

As an extratropical system, Isaac produced winds near gale-force on the British Isles during the day of October 3. Although Isaac had stayed away from the eastern coast of the United States
United States

The United States of America is a Federal government constitutional republic comprising U.S. state and a federal district. The country is situated mostly in central North America, where its Contiguous United States and Washington, D.C., the Capital districts and territories, lie between the Pacific Ocean and Atlantic Oceans, Borders of the U...
, swells from the storm caused a boat with four passengers to overturn on September 30. One of the passengers died from drowning. Isaac had approached Bermuda
Bermuda

Bermuda is a British overseas territory in the Atlantic Ocean. Located off the east coast of the United States, it is situated around 1770 kilometres northeast of Miami, Florida, and 1350 kilometres south of Halifax Regional Municipality, Canada....
 on September 29. No effects to island were reported, except for some swells off the coasts. The state of North Carolina
North Carolina

North Carolina is a U.S. state located on the Atlantic Seaboard in the southeastern United States. The state borders South Carolina and Georgia to the south, Tennessee to the west and Virginia to the north....
 issued a heavy surf warning on October 1, as swells from Isaac were predicted. After Isaac passed the British Isles
British Isles

The British Isles are a group of islands off the northwest coast of continental Europe that include Great Britain and Ireland, and numerous smaller islands....
, a bird called the Warbler
Warbler

There are a number of Passeriformes called "warblers". They are not particularly closely related, but share some characteristics, such as being fairly small, active and insectivorous....
 was seen in Europe
Europe

Europe is, conventionally, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally divided from Asia to its east by the water divide of the Ural Mountains, the Ural , the Caspian Sea, and by the Caucasus Mountains to the southeast....
 for the first time.

The name Isaac was not retired in the spring
Spring (season)

Spring is one of the four temperate seasons. Spring marks the transition from winter into summer....
 of 2001 and was used again in 2006
Hurricane Isaac (2006)

Hurricane Isaac was the final tropical cyclone of the 2006 Atlantic hurricane season. It reached peak strength of Saffir-Simpson Hurricane Scale just before striking Newfoundland , where it produced tropical storm-force winds....
. The name is set to be used in the 2012 Atlantic hurricane season.

See also

  • List of notable tropical cyclones
    List of notable tropical cyclones

    This is a list of notable tropical cyclones, subdivided by basin and reason for notability....
  • List of Atlantic hurricanes


External links