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    Type Alias SigmetSeriesName

    SigmetSeriesName:
        | "ALFA"
        | "BRAVO"
        | "CHARLIE"
        | "DELTA"
        | "ECHO"
        | "FOXTROT"
        | "GOLF"
        | "HOTEL"
        | "INDIA"
        | "JULIET"
        | "KILO"
        | "LIMA"
        | "MIKE"
        | "NOVEMBER"
        | "OSCAR"
        | "PAPA"
        | "QUEBEC"
        | "ROMEO"
        | "SIERRA"
        | "TANGO"
        | "UNIFORM"
        | "VICTOR"
        | "WHISKEY"
        | "XRAY"
        | "YANKEE"
        | "ZULU"

    NATO phonetic alphabet series name used to identify SIGMET series.

    CONUS non-convective SIGMETs use: NOVEMBER, OSCAR, PAPA, QUEBEC, ROMEO, UNIFORM, VICTOR, WHISKEY, XRAY, YANKEE (SIERRA and TANGO are excluded).

    Oakland Oceanic FIR uses: ALFA, BRAVO, CHARLIE, DELTA, ECHO, FOXTROT, GOLF, HOTEL.

    Anchorage FIR uses: INDIA, JULIET, KILO, LIMA, MIKE.

    Honolulu MWO uses the full NATO phonetic alphabet: NOVEMBER through ZULU.