Typhoon Shanshan (2018) on:
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Typhoon Shanshan was a strong and slow-moving typhoon that passed close to
In Okinawa, about 600 people were evacuated from their homes to shelters. About 386 flights to western Japan were canceled due to the storm. There was no major damage, but four people were injured by the storm. More than 2,000 people evacuated from their homes early on the morning hours of Thursday. Overall losses in
Japan
Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
before moving out to the sea. Shanshan was the fourteenth named storm and fifth typhoon of the 2018 Pacific typhoon season
The 2018 Pacific typhoon season was at the time, the costliest Pacific typhoon season on record, until the record was beaten by the following year. The season was well above-average, producing twenty-nine storms (including one that crossed over ...
.
Meteorological history
Shanshan began as a depression east-northeast ofGuam
Guam ( ; ) is an island that is an Territories of the United States, organized, unincorporated territory of the United States in the Micronesia subregion of the western Pacific Ocean. Guam's capital is Hagåtña, Guam, Hagåtña, and the most ...
on August 2. At 21:00 UTC (GMT+10) on the same day, the Joint Typhoon Warning Center
The Joint Typhoon Warning Center (JTWC) is a joint United States Navy – United States Air Force command in Pearl Harbor, Hawaii. The JTWC is responsible for the issuing of tropical cyclone warnings in the North-West Pacific Ocean, South P ...
(JTWC) began tracking the system, giving it the identifier ''17W''. 17W intensified into a tropical storm on August 3, with the Japan Meteorological Agency
The Japan Meteorological Agency (JMA; ''気象庁, Kishō-chō'') is a division of the Ministry of Land, Infrastructure, Transport and Tourism dedicated to the Scientific, scientific observation and research of natural phenomena. Headquartered ...
assigning it the name ''Shanshan''. The storm was located over a favorable environment as the system was gradually consolidating, and it intensified into a severe tropical storm on August 3. The following day, both the JMA and JTWC upgraded Shanshan to a typhoon after deep convection was seen wrapping into its developing center. The JMA later determined that the storm had peaked in intensity with 10-minute winds of 130 km/h (80 mph) and a minimum pressure of 970 hPa
The pascal (symbol: Pa) is the unit of pressure in the International System of Units (SI). It is also used to quantify internal pressure, stress, Young's modulus, and ultimate tensile strength. The unit, named after Blaise Pascal, is an S ...
, and expected the storm to maintain that intensity for several days. The JTWC stated that Shanshan had slightly weakened after a strengthening trend by August 6 after its eye
An eye is a sensory organ that allows an organism to perceive visual information. It detects light and converts it into electro-chemical impulses in neurons (neurones). It is part of an organism's visual system.
In higher organisms, the ey ...
became ragged and slightly displaced. On August 7, Shanshan began to re-intensify and reached its peak strength as a Category 2 typhoon with 1-minute winds of 165 km/h (105 mph) while nearing southeastern Japan
Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
. Thereafter, Shanshan began to change course towards the east as it rapidly weakened. The JTWC issued their final advisory on August 9, although the JMA tracked the system until it became extratropical at 06:00 UTC on August 10.
Preparations and impact
In Okinawa, about 600 people were evacuated from their homes to shelters. About 386 flights to western Japan were canceled due to the storm. There was no major damage, but four people were injured by the storm. More than 2,000 people evacuated from their homes early on the morning hours of Thursday. Overall losses in Miyagi Prefecture
is a Prefectures of Japan, prefecture of Japan located in the Tōhoku region of Honshu. Miyagi Prefecture has a population of 2,265,724 (1 August 2023) and has a geographic area of . Miyagi Prefecture borders Iwate Prefecture to the north, Akit ...
were counted at ¥96.2 million (US$866,000).
See also
* Weather of 2018 *Tropical cyclones in 2018
During 2018, tropical cyclones formed within seven different tropical cyclone basins, located within various parts of the Atlantic, Pacific and Indian Oceans. During the year, a total of 151 tropical cyclones had formed this year to date. 102 t ...
References
{{2018 Pacific typhoon season buttons 2018 Pacific typhoon season Typhoons in Japan