SIGMET OVERLAY - Weather4Cast.com
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06 May SIGMET OVERLAY

SIGMET OVERLAY

  • The Sigmet Layer consists of graphical boxes highlighting areas of adverse weather across the globe with data from various official meteorological agencies that include convective and non-convective Sigmets.
  • The Sigmet layer includes advisories issued for the following: Icing, Thunderstorms, Turbulence, Sand Storms, Dust Storms, Volcanic Ash, Tropical Cyclone and Mountain Wave Turbulence.
  • The Sigmet Layer graphical boxes have embedded links listing further details such as the FIR boundary the advisory is listed in, the hazard with valid time period as well as Latitude and Longitude for the associated weather.
  • The Sigmet Overlay is updated 4 times per hour i.e. every 15 minutes of every day to provide the most up-to-date Sigmets issued around the world. The refresh time and rate for the Sigmet Overlay via TOPS is updated every 15 minutes of every hour per the following: XX:05, XX:20, XX:35 and XX:55.

 
The following is an example screenshot of the Sigmet Layer via the TOPS Flight Watch platform. Please note that this layer will include a legend as well as interactive links providing further details when viewed via the TOPS platform, i.e. the user can zoom into any region and click on embedded links listed for each Sigmet for additional details listed above.