Wikipedia:WikiProject Tropical cyclones/Newsletter/Archive 31

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Number 31, September 10, 2010

The Hurricane Herald

This is the monthly newsletter of WikiProject Tropical Cyclones. The Hurricane Herald aims to give a summary, both of the activities of the WikiProject and global tropical cyclone activity. If you wish to change how you receive this newsletter, or no longer wish to receive it, please add your username to the appropriate section on the mailing list. This newsletter covers all of August 2010.

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Storm of the month
Hurricane Frank is the storm of the Month.

Hurricane Frank

Tropical Depression Nine-E formed on August 21 south of the Gulf of Tehuantepec. It developed into a tropical storm the following morning. On August 23, Frank continued to intensify, but later faced shear and entered a period of weakening. However, on August 24, as shear decreased, it began to reorganize and strengthen again, becoming a hurricane on August 25. Two days later, Frank weakened into a tropical storm. Rapidly weakening overnight, NHC issued that it have been degraded into an remnant low. The area of low pressure associated with Frank was absorbed with another area of disturbed weather which later developed into Tropical Depression Ten-E.

Throughout Central America, Hurricane Frank produced torrential rain that resulted in at least 30 fatalities, most of which took place in Nicaragua and Honduras. In Guatemala alone, damage from the system was estimated to be up to $500 million. In Mexico, six deaths were reported. A total 30 homes were destroyed with 26 others damaged. Two major roads were damaged with another road blocked due to a landslides. Several rivers overflowed their banks as well. Losses from the storms totaled millions of dollars. Water Currents form a nearby volcano were damaged as well.


Other tropical cyclone activity

  • Atlantic Ocean– In the Atlantic Ocean, around three storms and one depression formed. Tropical Depression Four early on August 2. Early the next day, the depression strengthened further into a tropical storm and was named "Colin". Tropical Storm Colin was downgraded to a tropical depression late morning on August 8. Tropical Depression 5 formed on August 10, with no improvement, it dissipated within 24 hours. Tropical Depression Six developed near the Cape Verde Islands on August 21, the first of the series of Cape Verde-type storms. On August 22 the system attained tropical storm status, thus earning the name "Danielle" The next day it attained hurricane status, becoming the second of the season and strengthened further to a Category 2 hurricane. On August 27, Hurricane Danielle strengthened to a Category 3 hurricane, becoming the first major hurricane of the season, and further strengthened to a Category 4 hurricane shortly after.Danielle later weakened to a Category 3, then Category 2 hurricane, and later became a Category 1 Hurricane due to an eyewall replacement cycle, while avoiding land areas. It became extratropical early on August 31 southeast of Newfoundland without having directly impacted land. It was fully absorbed by a larger extratropical low on September 4 over Greenland. On August 25, Tropical Depression 7 formed east of Hurricane Danielle. Later that day it was upgraded to Tropical Storm Earl. On August 29, 2010 Earl strengthened to become the season's third hurricane. Earl then quickly intensified to become the season's second major hurricane on August 30. The hurricane weakened to a Category 3 hurricane after an eyewall replacement cycle before becoming a Category 4 again. Earl made landfall in the Canadian Maritime Provinces, twice in Nova Scotia and once in Prince Edward Island (PEI) at hurricane intensity. On August 30, when gale-force winds and better organization resulted in the development of Tropical Storm Fiona, skipping tropical depression status. It struggled to develop further, however, as it was hindered by high wind shear from the outflow of the much larger and stronger Earl.
  • Eastern Pacific Ocean– Three depressions formed in the Month of August. A tropical depression formed on August 5. slowly intensified, reaching tropical storm status on August 6. On August 9, it was downgraded into a tropical depression. On August 10th Estelle dissipated. Tropical Depression Eight-E formed on August 20. However, the depression weakened slightly overnight. The depression continued to weaken and the National Hurricane Center issued its final advisory on August 22. Tropical Depression Nine-E formed on August 21 south of the Gulf of Tehuantepec. It developed into a tropical storm the following morning. On August 25 it became a hurricane. Two days later, Frank weakened into a tropical storm. Rapidly weakening overnight, NHC issued that it have been degraded into an remnant low. Throughout Central America, Hurricane Frank produced torrential rain that resulted in at least 30 fatalities, most of which took place in Nicaragua and Honduras. In Guatemala alone, damage from the system was estimated to be up to $500 million. In Mexico, six deaths were reported. A total 30 homes were destroyed with 26 others damaged. Two major roads were damaged with another road blocked due to a landslides. Several rivers overflowed their banks as well. Losses from the storms totaled millions of dollars. Water Currents form a nearby volcano were damaged as well.
  • Western Pacific Ocean– Eight depression formed in the Month of August. Early on August 4, After Domeng, had merged with the low pressure area PAGASA reported that Domeng had intensified into a tropical storm and reached its 10-minute peak sustained windspeeds of 65 km/h (40 mph). In Luzon, heavy rain produced by the storm led to a few landslides, prompting road closures. Offshore, three people drowned after their boat capsized amidst rough seas produced by Domeng. Later that day PAGASA reported that Domeng had weakened into a tropical depression, before reporting early the next day that after it had passed through the Babuyan Islands, Domeng had weakened into an area of low pressure. Early on August 6, the JTWC reported that a tropical disturbance formed within the monsoon gyre about 800 km (500 mi) southeast of Taipei, Taiwan. During that day the JMA started to monitor the depression before the JTWC designated it as Tropical Depression 05W. The depression was then upgraded into a tropical storm by the JMA and named "Dianmu". After moving northward for several days, it turned northeastward and struck southern South Korea. Dianmu weakened as it crossed the Korean peninsula and emerged into the Sea of Japan. Heavy rains produced by the storm resulted in one fatality after a cargo ship sank amidst rough seas produced by the storm. This marked the first time in nine years that a rain-related fatality took place in the capital city of Seoul. More than 3,000 homes were destroyed in eastern China after heavy rains from the outer bands of Dianmu struck the region. The storm made landfall on Japan; exiting the country within five hours. Heavy rains were reported through out the islands. Nearly a week after the two ships sank off the coast of the Philippines, 31 crew members remain missing and are presumed dead after numerous coast guard rescue attempts. Damage from the storm on Jeju Island amounted to 5 billion won ($4.2 million USD). Early on August 17, an area of low pressure formed about 415 km (260 mi), northeast of Tuguegarao City, Cagayan. On the evening of August 18, as it crossed Babuyan Islands, the disturbance's low level center (LLC) weakened due to land interaction and high vertical wind shear. It regenerated on August 20 when it was located about 280 km (175 miles), to the west of Dagupan City, Pangasinan. Early on the next day, the LLCC of the disturbance became partially exposed due to a Tropical Upper Tropospheric Trough (TUTT) that was developing off Luzon at that time. On the afternoon of that day, Japan Meteorological Agency (JMA) upgraded the system into a tropical depression. The next day, they further upgraded the depression into a tropical storm and named it "Mindulle". At the same time, the JTWC reported that Tropical Depression 06W has intensified into a tropical storm. Thousands of fishermen were urged to return to port. According to Vietnamese officials, contact was lost with 10 vessels on August 24 and the 137 fishermen on the ships were listed as missing. Rainfall, peaking at 297 mm (11.7 in),[59] led to significant flooding and agricultural losses. A Tropical depression formed on August 26, it survived for three days with no change in strength. it rapidly traveled northwest and dissipated on August 29. On August 28, the JMA upgraded the system to a Tropical Storm and was named "Lionrock". Early of september 1, Lionrock made a Fujiwhara effect with Namtheun, whilst Lionrock maintained it's strength while Namtheun was absorbed. Lionrock made landfall on the east coast of Guangdong Province, China, just north of the city of Shantou. It then started to dissipate and weaken into a tropical storm and moved over Guangzhou, Guangdong's capital. Lionrock soon lost it's intensity as it went over Guangdong. Midday of August 29, the Joint Typhoon Warning Centre (JTWC) issued a Tropical Cyclone Formation Alert (TCFA) on the system as a Low Level Circulation Centre had become organized. On the morning of that same day, the JTWC announced that the system had quickly developed into a tropical storm and assigned the designation "08W". Intensification continued, then by midday of August 30, the JMA reported that the depression had intensified into a tropical storm and assigned it the international designation "Kompasu". In addition, PAGASA also announced that the low pressure in the northeast of Batanes had formed and assigned it a local name, "Glenda". At the same time, the JTWC also upgraded Kompasu into a category 1 typhoon. On the next day, Kompasu crossed the island of Kadena and rapidly intensified into a category 2 typhoon equivalent. On September 1, Kompasu was upgraded by JTWC as a category 3 typhoon equivalent, becoming the strongest typhoon of the season. The storm later weakened to a category one typhoon in the Yellow Sea, before veering northeast and making landfall on Ganghwa Island, northwest of Incheon and Seoul, killing at least four people.[61] Kompasu was the strongest tropical storm to hit the Seoul metropolitan area in 15 years. On August 27, an extensive cloud formed in the waters east of Taiwan. On August 28, it developed into a low pressure. At 18:00, near Yaeyama Islands, the Japan Meteorological Agency upgraded the low pressure into a tropical depression. There were two tropical cyclones developing on both sides of 09W (namely Lionrock and Kompasu), and Typhoon Kompasu had a relatively stronger intensity, causing 09W moved southwest to Taiwan Strait. On August 30, it caused heavy rain in northern Taiwan. Taiwan's Central Weather Bureau could only issue a tropical depression warning since it had not strengthened to a tropical storm. At 20:00, 09W suddenly intensified into a tropical storm, and was named Namtheun. However, due to the development of another stronger tropical storm Lionrock at South China Sea, the increase of intensity of Namtheun was difficult. In the evening hours of August 31, Namtheun weakened into a tropical depression north of Taiwan Strait. Whilst Lionrock maintained it's strength while Namtheun was absorbed. Late on August 28, the Central Pacific Hurricane Center reported that an area of low pressure system associated with a tropical disturbance had developed about 1,000 mi (1,600 km) to the southwest of Honolulu in Hawaii. Isolated thunderstorms were developing in association with the small low-level circulation. During the next day the disturbance moved towards the west and moved into the western Pacific where the JMA immediately designated it as a tropical depression. The depression was expected to bring inclement weather to Majauro and nearby atolls, although the system significantly weakened before reaching the area.

Member of the month

Cyclone barnstar
Cyclone barnstar

The October member of the month is CrazyC83. Since joining the project near its inception, CrazyC83 has been involved in bringing twenty two articles to Good Article status and one article to Featured Article Status. Not only this, he is been working with the 2010 Atlantic hurricane season 24/7. Our Favorite member Jason Rees looks like he has gone on a short break with the west, but he still continues with the east.


Storm Basics

  • A tropical cyclone is a storm system characterized by a large low-pressure center and numerous thunderstorms that produce strong winds and heavy rain.
  • While tropical cyclones can produce extremely powerful winds and torrential rain, they are also able to produce high waves and damaging storm surge as well as spawning tornadoes.
  • The term "tropical" refers to both the geographic origin of these systems, which form almost exclusively in tropical regions of the globe, and their formation in maritime tropical air masses.
  • Many tropical cyclones develop when the atmospheric conditions around a weak disturbance in the atmosphere are favorable. The background environment is modulated by climatological cycles and patterns such as the Madden-Julian oscillation, El Niño-Southern Oscillation, and the Atlantic multidecadal oscillation.

Storm article statistics

Tropical cyclone articles by quality and importance
Quality Importance
Top High Mid Low NA ??? Total
FA 3 14 82 60 159
FL 1 4 30 39 74
FM 21 21
A 3 1 4
GA 10 64 405 663 1,142
B 9 29 59 60 157
C 12 91 245 264 612
Start 2 62 350 416 3 833
Stub 6 74 96 176
List 2 9 58 559 411 1,039
Category 921 921
Disambig 2 11 55 68
File 7 1 8
Portal 2 202 204
Project 98 98
Redirect 2 8 40 93 143
Template 1 6 27 441 475
Other 3 3
Assessed 40 277 1,271 1,741 2,394 414 6,137
Unassessed 2 3 2 1 8
Total 40 277 1,273 1,744 2,396 415 6,145
WikiWork factors (?) ω = 10,423 Ω = 3.38

Wikipedia:Version 1.0 Editorial Team/Tropical cyclone storm articles by quality statistics

Tropical cyclone season pages by quality
Quality
Total
Assessed 0
Total 0
Wikipedia:Version 1.0 Editorial Team/Tropical meteorology articles by quality statistics

Project News
The Newsletter has been properly restarted by Anirudh Emani.

Editorial Member Award
This month the editorial member award has been disputed to CrazyC83 & Jason Rees. CrazyC83 has been working mainly with the 2010 Atlantic hurricane season while Jason Rees is working with the 2010 Pacific typhoon season. Jason has also created sandboxes for western Pacific Typhoons and North Indian ocean cyclones, Rashmi and Dianmu are a few good examples of this work. Anirudh Emani (talk) 08:35, 10 September 2010 (UTC)[reply]


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