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Sigma KEE - Storm

KB Term:

Storm

Storms occurs in an area where its Atmosphere is dominated by a LowPressureWeatherSystem with Air moving in MotionUpward.Surface Wind of over 30 KnotUnitOfSpeed and or Precipitation are Likely associated with Storms.

Relationships
Parents	天氣過程	WeatherProcess is the broadest class of processes that involve weather, including weather seasons (not to be confused with instances of SeasonOfYear), weather systems, and short-term weather events.
Children	暴風雪	A Blizzard is a Snowing with surfaceWindSpeed of over 35 KnotUnitOfSpeed for a sustained duration of at least 3 HourDuration. The strong Wind results in blowing Snow causing the %Region affected to have visibilityInMeteorology reduced to less than 400 Meter.
	氣旋風暴	CyclonicStorm is the class of LowPressureWeatherSystems that involve a low pressure area surrounded by winds rotating rapidly inwards.
	塵暴	DustStorms happen in AridClimateZones or SemiaridClimateZones. They occur when a strong Wind carries ParticulateMatter or Sand from its underlying Dry surface and deposit it to another Region.
	Snowstorm	A Snowstorm is Snowing at the snowfallIntensity of more than 5 Centimeter per HourDuration.
	颮
	雷雨
	龍捲風	A Tornado is a rapidly rotating column of Air which extends from the Cloud base of a cumulonimbus to the ground.
	風暴