Typhoon

typhoonsWestern Pacificwestern Pacific basinsuper typhoonsuper typhoonsWest Pacifictyphoon beltWest Pacific basinwestern Pacific Ocean1992 typhoons
A typhoon is a mature tropical cyclone that develops between 180° and 100°E in the Northern Hemisphere.wikipedia
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Atlantic hurricane

Atlantic tropical cyclonehurricaneAtlantic basin
A hurricane is a storm that occurs in the Atlantic Ocean or northeastern Pacific Ocean, a typhoon occurs in the northwestern Pacific Ocean, and a tropical cyclone occurs in the south Pacific or Indian Ocean.
A hurricane differs from a cyclone or typhoon only on the basis of location.

Japan

🇯🇵JPNJapanese
The Regional Specialized Meteorological Center (RSMC) for tropical cyclone forecasts is in Japan, with other tropical cyclone warning centers for the northwest Pacific in Hawaii (the Joint Typhoon Warning Center), the Philippines and Hong Kong.
In late summer and early autumn, typhoons often bring heavy rain.

Tropical cyclone basins

basinSouth Pacific basinbasins
This region is referred to as the Northwestern Pacific Basin, and is the most active tropical cyclone basin on Earth, accounting for almost one-third of the world's annual tropical cyclones. Taiwan has received the wettest known typhoon on record for the northwest Pacific tropical cyclone basins.
Annually, an average of 25.7 tropical cyclones in the basin acquire tropical storm strength or greater; also, an average of 16 typhoons occurred each year during the 1968–1989 period.

Hong Kong

🇭🇰HKGHong Kong SAR
The Regional Specialized Meteorological Center (RSMC) for tropical cyclone forecasts is in Japan, with other tropical cyclone warning centers for the northwest Pacific in Hawaii (the Joint Typhoon Warning Center), the Philippines and Hong Kong.
Typhoons occur most often then, sometimes resulting in floods or landslides.

Saffir–Simpson scale

major hurricaneCategory 5Category 1 hurricane
A typhoon has wind speed of 64-79 knots (73-91 mph; 118–149 km/h), a severe typhoon has winds of at least 80 kn, and a super typhoon has winds of at least 100 kn. The United States' Joint Typhoon Warning Center (JTWC) unofficially classifies typhoons with wind speeds of at least 130 knots (67 m/s; 150 mph; 241 km/h)—the equivalent of a strong Category 4 storm in the Saffir-Simpson scale—as super typhoons.
Other areas use different scales to label these storms, which are called cyclones or typhoons, depending on the area.

Tropical cyclone

hurricanetropical stormhurricanes
A hurricane is a storm that occurs in the Atlantic Ocean or northeastern Pacific Ocean, a typhoon occurs in the northwestern Pacific Ocean, and a tropical cyclone occurs in the south Pacific or Indian Ocean. A typhoon is a mature tropical cyclone that develops between 180° and 100°E in the Northern Hemisphere.
A hurricane is a tropical cyclone that occurs in the Atlantic Ocean and northeastern Pacific Ocean, and a typhoon occurs in the northwestern Pacific Ocean; while in the south Pacific or Indian Ocean, comparable storms are referred to simply as "tropical cyclones" or "severe cyclonic storms".

Taiwan

🇹🇼FormosaRepublic of China
Taiwan has received the wettest known typhoon on record for the northwest Pacific tropical cyclone basins. Straight track (or straight runner). A general westward path affects the Philippines, southern China, Taiwan, and Vietnam.
Typhoons are most common in July, August and September.

Earth

terrestrialworldGlobal
This region is referred to as the Northwestern Pacific Basin, and is the most active tropical cyclone basin on Earth, accounting for almost one-third of the world's annual tropical cyclones.
Large areas of Earth's surface are subject to extreme weather such as tropical cyclones, hurricanes, or typhoons that dominate life in those areas.

Japan Meteorological Agency

JMAJapan Meteorological Agency (JMA)Meteorological Agency
A tropical depression is the lowest category that the Japan Meteorological Agency uses and is the term used for a tropical system that has wind speeds not exceeding 33 kn. A tropical depression is upgraded to a tropical storm should its sustained wind speeds exceed 34 kn. Tropical storms also receive official names from RSMC Tokyo.
The JMA is responsible not only for gathering and reporting weather data and forecasts in Japan, but also for observation and warning of earthquakes, tsunamis, typhoons and volcanic eruptions.

Pacific Ocean

PacificWestern PacificSouth Pacific
A hurricane is a storm that occurs in the Atlantic Ocean or northeastern Pacific Ocean, a typhoon occurs in the northwestern Pacific Ocean, and a tropical cyclone occurs in the south Pacific or Indian Ocean.
Pacific hurricanes form south of Mexico, sometimes striking the western Mexican coast and occasionally the southwestern United States between June and October, while typhoons forming in the northwestern Pacific moving into southeast and east Asia from May to December.

El Niño–Southern Oscillation

El NiñoENSOLa Niña
When the subtropical ridge shifts due to El Niño, so will the preferred tropical cyclone tracks.
The western side of the equatorial Pacific is characterized by warm, wet, low-pressure weather as the collected moisture is dumped in the form of typhoons and thunderstorms.

Low-pressure area

area of low pressurelow pressure arealow pressure
Like any tropical cyclone, there are a few main requirements for typhoon formation and development: (1) sufficiently warm sea surface temperatures, (2) atmospheric instability, (3) high humidity in the lower to middle levels of the troposphere, (4) enough Coriolis effect to develop a low pressure center, (5) a pre-existing low level focus or disturbance, and (6) a low vertical wind shear.
The Coriolis force caused by the Earth's rotation is what gives winds around low-pressure areas (such as in hurricanes, cyclones, and typhoons) their counter-clockwise (anticlockwise) circulation in the northern hemisphere (as the wind moves inward and is deflected right from the center of high pressure) and clockwise circulation in the southern hemisphere (as the wind moves inward and is deflected left from the center of high pressure).

Typhoon Haiyan

HaiyanTyphoon Haiyan (Yolanda)Typhoon Yolanda
Activity falls off significantly in November, although Typhoon Haiyan, the strongest Philippine typhoon on record, was a November typhoon.
After becoming a tropical storm and attaining the name Haiyan at 00:00 UTC on November 4, the system began a period of rapid intensification that brought it to typhoon intensity by 18:00 UTC on November 5.

Vietnam

🇻🇳Viet NamSocialist Republic of Vietnam
Straight track (or straight runner). A general westward path affects the Philippines, southern China, Taiwan, and Vietnam.
The country is also affected by tropical depressions, tropical storms and typhoons.

2004 Pacific typhoon season

2004Typhoon MindulleTyphoon Tokage
The 2004 Pacific typhoon season was the busiest for Okinawa since 1957.
Sudal turned to the west, and steadily intensified to become a typhoon on April 6.

Marshall Islands

Marshalls🇲🇭Marshall
Those that form near the Marshall Islands find their way to Jeju Island, Korea.
Many Pacific typhoons begin as tropical storms in the Marshall Islands region, and grow stronger as they move west toward the Mariana Islands and the Philippines.

Micronesia

🇫🇲MicronesiansMicronesian
Because of the location of some islands, the rainy season can sometimes include typhoons.

1966 Pacific typhoon season

1966Typhoon Ida1966 season
Overall, there were 49 tropical depressions declared officially or unofficially, of which 30 officially became named storms; of those, 20 reached typhoon status, while 3 further became super typhoons by having winds of at least 240 km/h (150 mph).

1967 Pacific typhoon season

1967Typhoon Emma1967 season
Twenty tropical storms attained typhoon intensity, and five of the typhoons reached super typhoon intensity.

Typhoons in the Philippines

Philippine typhoonPublic Storm Warning Signal #4bagyo
Typhoons in the Philippines
In the Philippine languages, typhoons are called bagyo.

PAGASA

Philippine Atmospheric, Geophysical and Astronomical Services AdministrationPhilippine Weather BureauPhilippine Area of Responsibility
However each National Meteorological and Hydrological Service within the western Pacific has the responsibility for issuing warnings for land areas about tropical cyclones affecting their country, such as the Joint Typhoon Warning Center for United States agencies, the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) for interests in the island archipelago nation, and the Hong Kong Observatory for storms that come close enough to cause the issuance of warning signals.
The new weather radars can monitor the typhoon and its movements, amount of rainfall either moderate or heavy and real-time atmospheric forecasts using a visual radar monitor, an example was that of Typhoon Basyang in 2010.

180th meridian

180°antimeridian180° meridian
A typhoon is a mature tropical cyclone that develops between 180° and 100°E in the Northern Hemisphere.

100th meridian east

100°E100°
A typhoon is a mature tropical cyclone that develops between 180° and 100°E in the Northern Hemisphere.

Northern Hemisphere

NorthernBorealhemisphere
A typhoon is a mature tropical cyclone that develops between 180° and 100°E in the Northern Hemisphere.

140th meridian west

140°W140 degrees west140°W meridian
For organizational purposes, the northern Pacific Ocean is divided into three regions: the eastern (North America to 140°W), central (140°W to 180°), and western (180° to 100°E).