[SIGMET] Changed placeholder for volcanic ash location from Position to 000.0
[SIGMET] Changed placeholder for volcanic ash location from Position to 000.0

KNMI/GeoWeb-FrontEnd,maartenplieger/GeoWeb-FrontEnd,maartenplieger/GeoWeb-FrontEnd,diMosellaAtWork/GeoWeb-FrontEnd,KNMI/GeoWeb-FrontEnd,KNMI/GeoWeb-FrontEnd,diMosellaAtWork/GeoWeb-FrontEnd