<simpleType name="numericalWeatherModelId">
  <union>
    <simpleType>
      <restriction base="string">
        <enumeration value="HirlamRCR"/>
        <enumeration value="HirlamMBE"/>
        <enumeration value="GFS"/>
        <enumeration value="GFS Ensamble"/>
        <enumeration value="ECMWF"/>
        <enumeration value="ECMWF Ensamble"/>
        <enumeration value="GME"/>
        <enumeration value="JMA"/>
        <enumeration value="GEM"/>
        <enumeration value="NOGAPS"/>
        <enumeration value="UKMO"/>
        <enumeration value="Arome"/>
      </restriction>
    </simpleType>
    <simpleType>
      <restriction base="string">
        <pattern value="other:\w{2,}"/>
      </restriction>
    </simpleType>
  </union>
</simpleType>