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SIGMET

 

 

SIGMET (Significant Meteorological Information) provide information concerning the occurrence or expected occurrence of weather phenomena of a hazardous nature and which could affect the safety of aircraft in flight. 

SIGMETs are produced in text format and are also displayed graphically on a Graphical SIGMET Monitor (GSM).

Two GSMs are available – one for the NZZC FIR and one for the region of the NZZO FIR that is north of 70S. For SIGMETs south of 70S, only text SIGMETs are available.

SIGMETs and the GSMs are for both preflight and inflight use and are available from:

  • MetFlight 
  • IFIS
  • ATIS broadcast

Example

WSNZ21 NZKL 140010 NZZC SIGMET 1 VALID 140010/140410 NZKL-
NZZC NEW ZEALAND FIR SEV ICE FCST N OF S3958 E17502 AND S OF S3516 E17355 FL120/250 MOV S 20KT NC

 

Decode of SIGMET

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