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Sigma KEE - TropicalCyclonicSystem
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TropicalCyclonicSystem
TropicalCyclonicSystem is the class of CyclonicStorms that originates in the Tropics and typically have rotational winds of strong force (> 25 mph) or higher.The whole system typically moving forward at 10-15 mph, but it can also stay quasistationary, or travel as fast as 40 mph. https://www.metoffice.gov.uk/research/weather/tropical-cyclones/facts
Relationships      
Parents CyclonicStorm CyclonicStorm is the class of LowPressureWeatherSystems that involve a low pressure area surrounded by winds rotating rapidly inwards.
Children HurricaneHurricanes are TropicalCyclones formed in NortheasternPacificOcean or NorthAtlanticOcean with Mean1MinuteWindSpeedFn (1-minute sustained winds)equal to or over 74 MilesPerHour.They are classified into 5 categories based on the SSHWSAttribute (Saffir-Simpson hurricane wind scale).
 TropicalCycloneTropicalCyclone is a generic term for TropicalCyclonicSystems with 1-minute sustained winds of 44 MilesPerHour (mph)or higher.
 TropicalDepressionA TropicalDepression is the weakest form of TropicalCyclonicSystem. It has 1-minute sustained winds of upto 38 MilesPerHour according to the National Hurrican Center(NHC),Joint Typhoon Warning Center (JTWC) and the Central Pacific Hurricane Center (CPHC).
 TropicalStormTropicalStorm is a TropicalCyclonicSystem with 1-minute sustained winds ranging between 39 and 72 MilesPerHour.
 TyphoonTyphoons are TropicalCyclones with Mean10MinutesWindSpeedFn (10-minute sustained winds) equal to or over 64 MilesPerHour formed in NorthwesternPacificOcean.


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