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AMC3 MET.TR.250(a) SIGMET

ED Decision 2022/004/R

FORMAT

SIGMET, when issued in graphical format, should be as specified below:

(a)     SIGMET FOR TROPICAL CYCLONE — MODEL STC


 

(b)     SIGMET FOR VOLCANIC ASH — MODEL SVA, MERCATOR PROJECTION

 


 

(c)      SIGMET FOR VOLCANIC ASH — MODEL SVA, POLAR STEREOGRAPHIC PROJECTION

 


 

(d)     SIGMET FOR PHENOMENA OTHER THAN TROPICAL CYCLONES AND VOLCANIC ASH — MODEL SGE