page_title: 1981 Pacific typhoon season
hierarchical_section_title: 1981 Pacific typhoon season
caption_attribution_description: English: This map shows the tracks of all tropical cyclones in the 1981 Pacific typhoon season . The points show the location of each storm at 6-hour intervals. The colour represents the storm's maximum sustained wind speeds as classified in the Saffir-Simpson Hurricane Scale (see below), and the shape of the data points represent the nature of the storm. Saffir-Simpson Hurricane Scale Tropical depression&lt;39 mph&lt;63 km/h Category 3111–129 mph178–208 km/h Tropical storm39–73 mph63–117 km/h Category 4130–156 mph209–251 km/h Category 174–95 mph119–153 km/h Category 5&gt;156 mph&gt;251 km/h Category 296–110 mph154–177 km/h Unknown Storm typeTropical cycloneSubtropical cycloneExtratropical cyclone / Remnant low / Tropical disturbance
context_page_description: The 1981 Pacific typhoon season was a slightly above average season that produced 29 tropical storms, 13 typhoons and two intense typhoons. The season ran throughout 1981, though most tropical cyclones typically develop between May and October. The season's first named storm, Freda, developed on March 12 while the final storm, Lee, dissipated on December 29. Tropical cyclones only accounted for 12 percent of the rainfall in Hong Kong this season, the lowest percentage for the protectorate since 1972.
  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.
context_section_description: The 1981 Pacific typhoon season was a slightly above average season that produced 29 tropical storms, 13 typhoons and two intense typhoons. The season ran throughout 1981, though most tropical cyclones typically develop between May and October. The season's first named storm, Freda, developed on March 12 while the final storm, Lee, dissipated on December 29. Tropical cyclones only accounted for 12 percent of the rainfall in Hong Kong this season, the lowest percentage for the protectorate since 1972.
  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 Joint Typhoon Warning Center (JTWC) will name a tropical cyclone should it be judged to have 1-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 JTWC. The Japan Meteorological Agency (JMA) also monitors the whole basin and uses the 10-minute sustained wind scale. Moreover, the JTWC also assigns a number with a "W" suffix when a system has strengthened into a tropical depression.
caption: Season summary map
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