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2010 Pacific typhoon season

2010 Pacific typhoon season
2010 Pacific typhoon season summary.png
Season summary map
Seasonal boundaries
First system formed January 18, 2010
Last system dissipated December 20, 2010
Strongest storm
Name Megi
 • Maximum winds 230 km/h (145 mph)
(10-minute sustained)
 • Lowest pressure 885 hPa (mbar)
Seasonal statistics
Total depressions 29
Total storms 14 official, 1 unofficial (record low)
Typhoons 7
Super typhoons 1 (unofficial)
Total fatalities 353
Total damage $1.29 billion (2010 USD)
Related articles
Pacific typhoon seasons
2008, 2009, 2010, 2011, 2012
Tropical depression (JMA)
Tropical depression (SSHWS)
01W Jan 18 2010 0330Z.jpg 01W 2010 track.png
Duration January 18 – January 20
Peak intensity 55 km/h (35 mph) (10-min)  1006 hPa (mbar)
Tropical storm (JMA)
Tropical storm (SSHWS)
02w Omais Mar 25 2010 01.35(UTC).jpg Omais 2010 track.png
Duration March 20 – March 26
Peak intensity 65 km/h (40 mph) (10-min)  998 hPa (mbar)
Tropical depression (JMA)
TD 3 JIMA apr 26 2010.jpg JMA TD3 2010 track.png
Duration April 26 – April 26
Peak intensity <55 km/h (35 mph) (10-min)  1008 hPa (mbar)
Tropical depression (JMA)
JMA TD 2010 - 06 - 04.jpg JMA TD4 2010 track.png
Duration June 3 – June 5
Peak intensity <55 km/h (35 mph) (10-min)  1002 hPa (mbar)
Typhoon (JMA)
Category 1 typhoon (SSHWS)
Conson (Basyang) as a Category 1 Typhoon (07-13-2010).jpg Conson 2010 track.png
Duration July 11 – July 18
Peak intensity 130 km/h (80 mph) (10-min)  970 hPa (mbar)
Typhoon (JMA)
Category 1 typhoon (SSHWS)
Severe Tropical Storm Chanthu at peak strength (07-21-10).jpg Chanthu 2010 track.png
Duration July 17 – July 23
Peak intensity 130 km/h (80 mph) (10-min)  970 hPa (mbar)
Tropical depression (JMA)
JMA Tropical Depression Jul 20 2010 0505(UTC).jpg JMA TD7 2010.png
Duration July 18 – July 20
Peak intensity 55 km/h (35 mph) (10-min)  1004 hPa (mbar)
Tropical depression (JMA)
JMA TD 8.jpg JMA TD8 2010 track.png
Duration July 23 – July 24
Peak intensity <55 km/h (35 mph) (10-min)  1008 hPa (mbar)
Tropical depression (JMA)
JMA Tropical Depression Jul 27 2010 05.10(UTC).jpg JMA TD9 2010 track.png
Duration July 26 – July 28
Peak intensity 55 km/h (35 mph) (10-min)  1002 hPa (mbar)

The 2010 Pacific typhoon season was the least active Pacific typhoon season on record, featuring only 14 named storms; seven of them strengthened into typhoons while one reached super typhoon intensity. Very unusual, with an exceptionally low activity within the basin, the Pacific typhoon season during 2010 was much weaker compared to the Atlantic hurricane season. The last and only time that such a record like this occurred was during 2005. During the season no storms have made landfall in mainland Japan, the only second such occurrence since 1988. Also, all of the 14 named storms developed west of 150°E. Moreover, the season had an index total Accumulated Cyclone Energy (ACE) of 115, which is the second lowest in the basin after 1999. It was also the fourth consecutive year with a below average ACE index.

The season ran throughout 2010, though most tropical cyclone tend to develop between May and October. The season’s first named storm, Omais, developed on March 24 while the season’s last named storm, Chaba dissipated or became extratropical on October 30. During the season only two storms were notable. Typhoon Kompasu was the strongest storm to make landfall over in South Korea in 15 years. During October, Typhoon Megi reached its peak intensity with a minimum barometric pressure of 885 hPa, making it one of the most intense typhoons ever recorded. In addition, a rare subtropical storm have developed during December and intensified into Tropical Storm Omeka where it crossed the basin.

The scope of this article is limited to the Pacific Ocean to the north of the equator between 100°E and 180th meridian. Within the northwestern Pacific Ocean, there are two separate agencies that assign names to tropical cyclones which can often result in a cyclone having two names. The Japan Meteorological Agency (JMA) will name a tropical cyclone should it be judged to have 10-minute sustained wind speeds of at least 65 km/h (40 mph) anywhere in the basin, whilst the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) assigns names to tropical cyclones which move into or form as a tropical depression in their area of responsibility located between 135°E and 115°E and between 5°N–25°N regardless of whether or not a tropical cyclone has already been given a name by the JMA. Tropical depressions that are monitored by the United States' Joint Typhoon Warning Center (JTWC) are given a number with a "W" suffix.


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