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Should the system continue to intensify further then it will be classified as a severe tropical storm, which has winds speeds between 48–63 kn (25–32 m/s; 55–72 mph; 89–117 km/h). [8] The highest classification on the Typhoon Committee's scale is a typhoon, which has winds speeds greater than 64 kn (33 m/s; 74 mph; 119 km/h). [8]
Once the system's maximum sustained winds reach wind speeds of 64 knots (74 mph; 119 km/h), the JMA will designate the tropical cyclone as a typhoon—the highest category on its scale. [19] Since 2009 the Hong Kong Observatory has divided typhoons into three different classifications: typhoon, severe typhoon and super typhoon. [20]
The Joint Typhoon Warning Center classifies typhoons of 150 mph (240 km/h) or greater (strong Category 4 and Category 5) as super typhoons. Most weather agencies use the definition for sustained winds recommended by the World Meteorological Organization (WMO), which specifies measuring winds at a height of 33 ft (10.1 m) for 10 minutes, and ...
A very strong typhoon is the second highest category used by the Japan Meteorological Agency (JMA) to classify tropical cyclones that has reached typhoon intensity in the Northwest Pacific basin. The basin is limited to the north of the equator between the 100th meridian east and the 180th meridian .
Typhoon Morakot approaching Taiwan in August 2009. A strong typhoon is the lowest category used by the Japan Meteorological Agency (JMA) to classify tropical cyclones that has reached typhoon intensity in the Northwest Pacific basin. The basin is limited to the north of the equator between the 100th meridian east and the 180th meridian.
Typhoon classification systems. 00:00, Graig Graziosi. ... (CPA) has activated its Incident Command System in preparation for the possible impact of Super Typhoon Mawar, according to local media ...
Typhoon Haiyan (Yolanda) on November 7, 2013, one of the strongest Pacific typhoons ever recorded.. Since 1947, the Joint Typhoon Warning Center (JTWC) has classified all typhoons in the Northwestern Pacific Ocean with wind speeds of at least 130 knots (67 m/s; 150 mph; 240 km/h)—the equivalent of a strong Category 4 on the Saffir–Simpson scale, as super typhoons. [1]
A tropical cyclone is the generic term for a warm-cored, non-frontal synoptic-scale low-pressure system over tropical or subtropical waters around the world. [4] [5] The systems generally have a well-defined center which is surrounded by deep atmospheric convection and a closed wind circulation at the surface. [4]