About: TORNADO VORTEX SIGNATURE     Goto   Sponge   Distinct   Permalink

An Entity of Type : skos:Concept, within Data Space : foodie-cloud.org, foodie-cloud.org associated with source document(s)

AttributesValues
type
has broader
preferred label
  • TORNADO VORTEX SIGNATURE (en)
change note
  • 2016-06-28 14:02:49.0 [saritz] insert AltLabel (id: null text: TVS language code: en);
  • 2016-06-28 14:02:35.0 [saritz] insert Definition (id: null text: An image of a tornado on the Doppler radar screen that shows up as a small region of rapidly changing wind speeds inside a mesocyclone. The following velocity criteria is normally required for recognition: velocity difference between maximum inbound and outbound (shear) is greater than or equal to 90 knots at less than 30 nmi and is greater than or equal to 70 knots between 30 and 55 nmi. It shows up as a red upside down triangle on the Storm Relative Velocity Display. Existence of a TVS strongly increases the probability of tornado occurrence, but does not guarantee it; therefore, the feature triggering it must be examined closely by the radar operator. A TVS is not a visually observable feature. language code: en);
  • 2016-06-28 14:02:12.0 [saritz] Insert Concept add broader relation (TORNADO VORTEX SIGNATURE [c3354d3b-44a4-4b1a-b1dd-1243bd1640be,217723] - TORNADOES [a200e677-384a-42d6-8519-1c7735f0adb9,84177]);
definition
  • An image of a tornado on the Doppler radar screen that shows up as a small region of rapidly changing wind speeds inside a mesocyclone. The following velocity criteria is normally required for recognition: velocity difference between maximum inbound and outbound (shear) is greater than or equal to 90 knots at less than 30 nmi and is greater than or equal to 70 knots between 30 and 55 nmi. It shows up as a red upside down triangle on the Storm Relative Velocity Display. Existence of a TVS strongly increases the probability of tornado occurrence, but does not guarantee it; therefore, the feature triggering it must be examined closely by the radar operator. A TVS is not a visually observable feature. (en)
is in scheme
alternative label
  • TVS (en)
is has narrower of
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