Typhoon definition, a tropical cyclone in the western Pacific Ocean or northern Indian Ocean, having sustained winds of at least 64 knots (74 miles per hour, 33 meters per second): typhoons form in waters with surface temperatures of about 80°F (27°C), intensifying as temperatures rise. BSL Geography Glossary - Hurricane/Typhoon - definition. Transnational corporation -one which operates in more than one country. [Alteration (influenced by Chinese terms for typhoons, perhaps Cantonese toi2fung1, typhoon, and kindred terms) of earlier English tuffon, tufan, deluge, from Hindi and Urdu tūfān, storm of wind and rain, flood, from Arabic ṭūfān, deluge, from Greek tuphōn, Typhon, whirlwind .] As warm air rises from the surface of the water, less air is left and a low pressure area develops. To be classified as a hurricane, typhoon, or cyclone, a storm must reach wind speeds of at least 74 miles per hour (119 kilometers per hour). Hurricanes occur in the Caribbean region. Hurricanes, cyclones, and typhoons are all the same weather phenomenon. Hurricanes and typhoons are tropical storms but more powerful. Clouds begin to form as the air cools because of its elevation and soon the system begins to rotate. As it is getting nearer, the winds will get stronger and large numbers of cumulus clouds appear. An example of a typhoon was Typhoon Songda which reached the Northern Mariana Islands and Japan in 2004 with winds up to 145 miles per hour. Hurricanes/typhoons begin over warm water or oceans where water evaporates to form clouds. All Rights Reserved. a single-engine British ground attack aircraft of World War II. Resembling large whirlpools, they are made up of rotating, moist air, with wind speeds that can reach over 120 km/h. In the southwestern Indian Ocean, they're just tropical cyclones. ty‧phoon /ˌtaɪˈfuːn / noun [ countable] HEM. As the air comes in, it warms up and begins to rise. A tropical cyclone occurring in the western Pacific or Indian Oceans. A powerful typhoon that will hit the Philippines on Friday has triggered mass evacuations from coastal and low-lying areas as the nation's islands brace for the storm's surge. Traditionally, high value operations such as headquarters, research and marketing located in EMDCs while manufacturing took place in ELDCs . Any violent tropical cyclone originating in the W Pacific, esp. And the northern Indian Ocean sees cyclones from April to December. Copyright © 2020 LoveToKnow. The definition of a typhoon is a tropical cyclone with winds faster than 74 miles per hour that occurs in the North Atlantic Ocean, the Northeast Pacific Ocean east of the dateline, the South Pacific east of 160E and the Northwest Pacific Ocean west of the date line. Mid-latitude cyclones, sometimes called extratropical cyclones, form at the polar front when the temperature difference between two air masses is large. 1 : a hurricane occurring especially in the region of the Philippines or the China sea. Hurricanes and typhoons are the same weather phenomenon: tropical cyclones. This area of low pressure pulls in the air around it. It turns out they don’t, except for their location. Tropical cyclone, also called typhoon or hurricane, an intense circular storm that originates over warm tropical oceans and is characterized by low atmospheric pressure, high winds, and heavy rain.Drawing energy from the sea surface and maintaining its strength as long as it remains over warm water, a tropical cyclone generates winds that exceed 119 km (74 miles) per hour. Super typhoons are so powerful they can be seen from space, as seen from this photo of Super Typhoon Bopha taken on Dec. 2. It is surrounded by the eyewall, a ring of towering thunderstorms where the most severe weather and highest winds occur. The definition of a typhoon is a tropical cyclone with winds faster than 74 miles per hour that occurs in the North Atlantic Ocean, the Northeast Pacific Ocean east of the dateline, the South Pacific east of 160E and the Northwest Pacific Ocean west of the date line. • But this contempt was like a typhoon blowing away all my resources and possessions. In the southeastern Indian Ocean and southwestern Pacific, they are called severe tropical cyclones. Hooghly River, India and Bangladesh: 1737 - 300,000 deaths. Great Bhola, Bangladesh: 1970 - 500,000 deaths. Backerganj, Bangladesh: 1876 - 200,000 deaths. See more. The Category 5 typhoon is expected to hit the Philippines at full strength. In the northern Indian Ocean, they're called severe cyclonic storms. These air masses blow past each other in opposite directions. Facts for kids: What is a typhoon? Know It All Dad 7 years ago. "The deadliest threat from Philippine typhoons is usually heavy rains, since the islands are very mountainous, leading to very high rainfall amounts capable of causing dangerous flash floods and mudslides," says meteorologist Jeff Masters on his WunderBlog website. Facebook; Prev Article Next Article . With the aid of satellites and computer models, such storms can be predicted several days in advance and are relatively easy to track. When the typhoon hits, there will be torrential rains and high winds. A violent cyclonic storm occurring in the western Pacific Ocean. If a hurricane's winds reach speeds of 111 miles per hour (179 kilometers per hour), it is upgraded to an intense hurricane. All rights reserved. Super typhoon Haiyan, or Yolanda, has strengthened into one of the most powerful tropical storms ever recorded, with sustained 190-mile-per-hour (306-kilometer-per-hour) winds and gusts as high as 230 miles-per-hour (370 kilometers-per-hour). Typhoons and hurricanes in the northern Hemisphere spin in a counter clockwise direction. Definition: What is a hurricane/typhoon? Some of the countries that experience typhoons: Guam, Marianas Islands, Philippines, Taiwan, southern China, South Korea, southern Japan and Vietnam. Haiphong, West Pacific: 1881 - 300,000 deaths. © 1996-2015 National Geographic Society, © 2015- Facts for kids: What is a typhoon? From Longman Dictionary of Contemporary English. typhoon in Geography topic. But as Hurricane Sandy showed recently, predicting the path that a hurricane, typhoon, or cyclone will take after it's formed is still tricky. If a typhoon hits 150 miles per hour (241 kilometers per hour)—as Haiyan has—then it becomes a super typhoon. Natural World. The typhoon will also dissipate if it moves over land. (tī-fo͞on′) n. A tropical cyclone occurring in the western Pacific or Indian Oceans. 2 : whirlwind sense 2a a typhoon of activity. 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