Braer Storm

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This cyclone was slightly stronger than an intense low pressure area which moved near Greenland on 14–15 December 1986, which was the strongest extratropical cyclone known to occur across the northern Atlantic Ocean at that time. Only three prior extratropical storms across the north Atlantic, [3] and two since, [8] [ needs update ] have attained central pressures below 930 hPa (27.46 inHg). While at the time, the Braer Storm was considered the most intense extratropical cyclone on record, recent storms and recent studies estimate cyclones in the Southern Ocean are most intense. The most intense was an extratropical cyclone in October 2022, which a paper published by Geophysical Research Letters estimated to have reached a pressure of 899.91 hPa (26.574 inHg). In addition, the same paper estimated that at least five cyclones in the Southern Ocean have had pressures equal to or less than 914 hPa (27.0 inHg), with one cyclone in August 1983 having a pressure of 913.54 hPa (26.977 inHg). [9]

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<span class="mw-page-title-main">1961 Atlantic hurricane season</span>

The 1961 Atlantic hurricane season was a very active Atlantic hurricane season, with an accumulated cyclone energy (ACE) total of 189, the highest since 1950 and until being surpassed by 1995. The season, however, was an average one in terms of named storms. The season featured eight hurricanes and a well above average number of five major hurricanes. It was previously thought that the season had a record-tying seven major hurricanes, before the Atlantic hurricane reanalysis project downgraded two storms in 2019. Two Category 5 hurricanes were seen in 1961, making it one of only eight Atlantic hurricane seasons to feature multiple Category 5 hurricanes in one season. The season started on June 15, and ended on November 15. These dates conventionally delimit the period of each year when most tropical cyclones form in the Atlantic basin. The first system, an operationally unclassified tropical depression, formed offshore east Central Florida on June 10, but dissipated a few days later. Next, Hurricane Anna developed in the eastern Caribbean Sea near the Windward Islands on July 20. It brought minor damage to the islands in, as well as wind and flood impacts to Central America after striking Belize as a hurricane. Anna caused one death and about $300,000 (1961 USD) in damage. Activity went dormant for nearly a month and a half, until Hurricane Betsy developed on September 2. Betsy peaked as a Category 4 hurricane, but remained at sea and caused no impact.

<span class="mw-page-title-main">1984 Atlantic hurricane season</span>

The 1984 Atlantic hurricane season was the most active since 1971, though the season was below average in hurricanes and major hurricanes. It officially began on June 1, 1984, and lasted until November 30, 1984. These dates conventionally delimit the period of each year when most tropical cyclones form in the Atlantic basin. The 1984 season was an active one in terms of named storms, but most of them were weak and stayed at sea. Most of the cyclones tracked through the northwest subtropical Atlantic west of the 50th meridian to near the Eastern coast of the United States between mid-August and early October. The most damaging storm was Hurricane Klaus, which caused $152 million (1984 dollars) in damage in Puerto Rico. Hurricane Diana was the first hurricane to strike a nuclear power plant without incident; it was also the first major hurricane to strike the U.S. East Coast in nearly 20 years. Also of note was Hurricane Lili, which lasted well after the official end of the season. It was downgraded from a named storm on December 24. Damage overall from the tropical cyclones in 1984 totaled $228.7 million. Unusually, no hurricanes developed from tropical waves in 1984, which usually are the source of the strongest storms in an Atlantic hurricane season.

<span class="mw-page-title-main">1957 Atlantic hurricane season</span>

The 1957 Atlantic hurricane season featured one of the longest-travelling tropical cyclones in the Atlantic basin, Hurricane Carrie. Nevertheless, the season was generally inactive, with eight tropical storms – two of which went unnamed – and three hurricanes, two of which intensified further to attain major hurricane intensity. The season officially began on June 15 and ended on November 15, though the year's first tropical cyclone developed prior to the start of the season on June 8. The final storm dissipated on October 27, well before the official end of the season. The strongest hurricane of the year was Carrie, which reached the equivalent of a Category 4 hurricane on the Saffir–Simpson hurricane scale on two separate occasions in the open Atlantic; Carrie later caused the sinking of the German ship Pamir southwest of the Azores, resulting in 80 deaths.

<span class="mw-page-title-main">1940 Atlantic hurricane season</span>

The 1940 Atlantic hurricane season was a generally average period of tropical cyclogenesis in 1940. Though the season had no official bounds, most tropical cyclone activity occurred during August and September. Throughout the year, fourteen tropical cyclones formed, of which nine reached tropical storm intensity; six were hurricanes. None of the hurricanes reached major hurricane intensity. Tropical cyclones that did not approach populated areas or shipping lanes, especially if they were relatively weak and of short duration, may have remained undetected. Because technologies such as satellite monitoring were not available until the 1960s, historical data on tropical cyclones from this period are often not reliable. As a result of a reanalysis project which analyzed the season in 2012, an additional hurricane was added to HURDAT. The year's first tropical storm formed on May 19 off the northern coast of Hispaniola. At the time, this was a rare occurrence, as only four other tropical disturbances were known to have formed prior during this period; since then, reanalysis of previous seasons has concluded that there were more than four tropical cyclones in May before 1940. The season's final system was a tropical disturbance situated in the Greater Antilles, which dissipated on November 8.

<span class="mw-page-title-main">1936 Atlantic hurricane season</span>

The 1936 Atlantic hurricane season was a fairly active season, with 20 tropical cyclones recorded, 17 of which became tropical storms. Seven storms became hurricanes, of which one became a major hurricane. In addition, the season was unusual in the fact that no storms moved across large portions of the Caribbean Sea. Seven storms, including three hurricanes, struck the United States.

<span class="mw-page-title-main">1927 Atlantic hurricane season</span>

The 1927 Atlantic hurricane season was a relatively inactive season, with eight tropical storms, four of which became hurricanes. One of these became a major hurricane – Category 3 or higher on the modern day Saffir–Simpson scale. The first system, a tropical depression, developed on August 13, while the final cyclone, a tropical storm, merged with a cold front on November 21. No hurricane made landfall in the United States, in contrast to the four that struck the U.S. in the previous season.

<span class="mw-page-title-main">1925 Atlantic hurricane season</span>

The 1925 Atlantic hurricane season was the second least active Atlantic hurricane season on record in terms of accumulated cyclone energy. The season featured four tropical cyclones forming. Only one of them was a hurricane. The first storm developed on August 18, and the last dissipated on December 1. The season began at a late date, more than two months after the season began. The official start of the season is generally considered to be June 1 with the end being October 31; however, the final storm of the season formed nearly a month after the official end. Due to increased activity over the following decades, the official end of the hurricane season was shifted to November 30.

<span class="mw-page-title-main">1918 Atlantic hurricane season</span>

The 1918 Atlantic hurricane season was an inactive season, with a total of six tropical storms developing, four of which intensified into hurricanes. Two of the season's hurricanes made Landfall in the United States, and one became a major hurricane, which is Category 3 or higher on the modern-day Saffir–Simpson scale. Additionally, there were four suspected tropical depressions, including one that began the season on June 19 and one that ended the season when it dissipated on October 19. The early 20th century lacked modern forecasting and documentation, and thus, the hurricane database from these years may be incomplete. Four previously unknown tropical cyclones were identified using records, including historical weather maps and ship reports, while information on the known storms was amended.

<span class="mw-page-title-main">1885 Atlantic hurricane season</span> Series of hurricanes throughout 1885

The 1885 Atlantic hurricane season ran through the summer and the first half of fall in 1885. This is the period of each year when most tropical cyclones form in the Atlantic basin. In 1885 there were two tropical storms and six hurricanes in the Atlantic basin. However, in the absence of modern satellite monitoring and remote-sensing technologies, only storms that affected populated land areas or encountered ships at sea were recorded, so the actual total could be higher. An undercount bias of zero to six tropical cyclones per year between 1851 and 1885 and zero to four per year between 1886 and 1910 has been estimated.

<span class="mw-page-title-main">Extratropical cyclone</span> Type of cyclone

Extratropical cyclones, sometimes called mid-latitude cyclones or wave cyclones, are low-pressure areas which, along with the anticyclones of high-pressure areas, drive the weather over much of the Earth. Extratropical cyclones are capable of producing anything from cloudiness and mild showers to severe hail, thunderstorms, blizzards, and tornadoes. These types of cyclones are defined as large scale (synoptic) low pressure weather systems that occur in the middle latitudes of the Earth. In contrast with tropical cyclones, extratropical cyclones produce rapid changes in temperature and dew point along broad lines, called weather fronts, about the center of the cyclone.

<span class="mw-page-title-main">Meteorological history of Hurricane Wilma</span>

Hurricane Wilma was the most intense tropical cyclone in the Atlantic basin on record in terms of minimum barometric pressure, with an atmospheric pressure of 882 millibars (26.0 inHg). Wilma's destructive journey began in the second week of October 2005. A large area of disturbed weather developed across much of the Caribbean and gradually organized to the southeast of Jamaica. By late on October 15, the system was sufficiently organized for the National Hurricane Center to designate it as Tropical Depression Twenty-Four.

<span class="mw-page-title-main">2011 Atlantic hurricane season</span>

The 2011 Atlantic hurricane season was the second in a group of three very active Atlantic hurricane seasons, each with 19 named storms, tied with 1887, 1995, 2010, and 2012. The above-average activity was mostly due to a La Niña that persisted during the previous year. Of the season's 19 tropical storms, only seven strengthened into hurricanes, and four of those became major hurricanes: Irene, Katia, Ophelia, and Rina. The season officially began on June 1 and ended on November 30, dates which conventionally delimit the period during each year in which most tropical cyclones develop in the Atlantic Ocean. However, the first tropical storm of the season, Arlene, did not develop until nearly a month later. The final system, Tropical Storm Sean, dissipated over the open Atlantic on November 11.

<span class="mw-page-title-main">2009 Atlantic hurricane season</span>

The 2009 Atlantic hurricane season was a below-average Atlantic hurricane season that produced eleven tropical cyclones, nine named storms, three hurricanes, and two major hurricanes. It officially began on June 1 and ended on November 30, dates that conventionally delimit the period of each year when most tropical cyclones develop in the Atlantic basin. The season's first tropical cyclone, Tropical Depression One, developed on May 28, while the final storm, Hurricane Ida, dissipated on November 10. The most intense hurricane, Bill, was a powerful Cape Verde-type hurricane that affected areas from the Leeward Islands to Newfoundland. The season featured the lowest number of tropical cyclones since the 1997 season, and only one system, Claudette, made landfall in the United States. Forming from the interaction of a tropical wave and an upper-level low, Claudette made landfall on the Florida Panhandle with maximum sustained winds of 45 mph (70 km/h) before quickly dissipating over Alabama. The storm killed two people and caused $228,000 in damage.

<span class="mw-page-title-main">2012 Atlantic hurricane season</span>

The 2012 Atlantic hurricane season was the final year in a string of three consecutive very active seasons since 2010, with 19 tropical storms. The 2012 season was also a costly one in terms of property damage, mostly due to Hurricane Sandy. The season officially began on June 1 and ended on November 30, dates that conventionally delimit the period during each year in which most tropical cyclones form in the Atlantic Ocean. However, Alberto, the first named system of the year, developed on May 19 – the earliest date of formation since Subtropical Storm Andrea in 2007. A second tropical cyclone, Beryl, developed later that month. This was the first occurrence of two pre-season named storms in the Atlantic basin since 1951. It moved ashore in North Florida on May 29 with winds of 65 mph (105 km/h), making it the strongest pre-season storm to make landfall in the Atlantic basin. This season marked the first time since 2009 where no tropical cyclones formed in July. Another record was set by Hurricane Nadine later in the season; the system became the fourth-longest-lived tropical cyclone ever recorded in the Atlantic, with a total duration of 22.25 days. The final storm to form, Tony, dissipated on October 25, and the season came to a close when Hurricane Sandy became extratropical on October 29.

<span class="mw-page-title-main">November 2011 Bering Sea cyclone</span> Extratropical cyclone in East Asia and Alaska

The November 2011 Bering Sea cyclone was one of the most powerful extratropical cyclones to affect Alaska on record. On November 8, the National Weather Service (NWS) began issuing severe weather warnings, saying that this was a near-record storm in the Bering Sea. It rapidly deepened from 973 mb (28.7 inHg) to 948 mb (28.0 inHg) in just 24 hours before bottoming out at 943 mbar, roughly comparable to a Category 3 or 4 hurricane. The storm had been deemed life-threatening by many people. The storm had a forward speed of at least 60 mph (97 km/h) before it had reached Alaska. The storm began affecting Alaska in the late hours of November 8, 2011. The highest gust recorded was 93 mph (150 km/h) on Little Diomede Island. One person was reported missing after being swept into the Bering Sea, and he was later pronounced dead.

<span class="mw-page-title-main">2020 Atlantic hurricane season</span>

The 2020 Atlantic hurricane season was the most active Atlantic hurricane season on record, in terms of the number of systems. It featured a total of 31 tropical and subtropical cyclones, with all but one cyclone becoming a named storm. Of the 30 named storms, 14 developed into hurricanes, and a record-tying seven further intensified into major hurricanes. It was the second and final season to use the Greek letter storm naming system, the first being 2005, the previous record. Of the 30 named storms, 11 of them made landfall in the contiguous United States, breaking the record of nine set in 1916. During the season, 27 tropical storms established a new record for earliest formation date by storm number. This season also featured a record ten tropical cyclones that underwent rapid intensification, tying it with 1995, as well as tying the record for most Category 4 hurricanes in a singular season in the Atlantic Basin. This unprecedented activity was fueled by a La Niña that developed in the summer months of 2020, continuing a stretch of above-average seasonal activity that began in 2016. Despite the record-high activity, this was the first season since 2015 in which no Category 5 hurricanes formed.

<span class="mw-page-title-main">March 1969 nor'easter</span> Extratropical cyclone

The March 1969 nor'easter was an extratropical cyclone that moved into the Gulf of Mexico on March 5, moving through southern Georgia, then deepened as it moved along the lower Eastern Seaboard, before swinging wide of New England and Atlantic Canada. Heavy snows fell across eastern Maryland, southern Delaware, and Martha's Vineyard in Massachusetts. It was a strong system, with maximum sustained winds of 80 kn (150 km/h) a central pressure close to 950 hPa (28 inHg) while south of Atlantic Canada. The system then moved into the far northern Atlantic Ocean while splitting into two low pressure areas on March 10.

<span class="mw-page-title-main">November 2014 Bering Sea cyclone</span>

The November 2014 Bering Sea cyclone was the most intense extratropical cyclone ever recorded in the Bering Sea, which formed from a new storm developing out of the low-level circulation that separated from Typhoon Nuri, which soon absorbed the latter. The cyclone brought gale-force winds to the western Aleutian Islands and produced even higher gusts in other locations, including a 97 miles per hour (156 km/h) gust in Shemya, Alaska. The storm coincidentally occurred three years after another historic extratropical cyclone impacted an area slightly further to the east.

<span class="mw-page-title-main">Meteorological history of Hurricane Patricia</span>

Hurricane Patricia was the most intense tropical cyclone ever recorded in the Western Hemisphere and the second-most intense worldwide in terms of barometric pressure. It also featured the highest one-minute maximum sustained winds ever recorded in a tropical cyclone. Originating from a sprawling disturbance near the Gulf of Tehuantepec in mid-October 2015, Patricia was first classified a tropical depression on October 20. Initial development was slow, with only modest strengthening within the first day of its classification. The system later became a tropical storm and was named Patricia, the twenty-fourth named storm of the annual hurricane season. Exceptionally favorable environmental conditions fueled explosive intensification on October 22. A well-defined eye developed within an intense central dense overcast and Patricia grew from a tropical storm to a Category 5 hurricane in just 24 hours—a near-record pace. The magnitude of intensification was poorly forecast and both forecast models and meteorologists suffered from record-high prediction errors.

<span class="mw-page-title-main">October 2022 Southern Ocean cyclone</span>

The October 2022 Southern Ocean cyclone, also referred to as the Peter I storm or EC2022 was the most intense extratropical cyclone on record. Forming as a weak depression near Tonga late on 9 October, the extratropical cyclone tracked slowly southeastward across the South Pacific, remaining weak. Starting on 14 October, the cyclone began rapid deepening as it moved towards Antarctica. Deepening rates peaked on 16 October, where the pressure fell as rapidly as 19 mbar (0.56 inHg) over a six-hour period. The storm peaked early on 17 October in the Bellingshausen Sea, with a minimum pressure of around 900 mbar (26.58 inHg). The cyclone moved slowly in a loop, rising in pressure over the next few days before dissipating on 20 October.

References

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Braer Storm
BraerStorm1993.png
METEOSAT satellite image of the Braer Storm near peak intensity on 10 January 1993