Property element for source URL Property element for language Property element for general highlight Property element for bulletin observation element container Property element for location reference Property element for a series of inline defined observations Property element for bulletin title Complex property element for confidence statement Complex property element type for danger ratings Complex property element type for avalanche problem Property element for weather synopsis Property element for avalanche activity Property element for snowpack structure Property element for travel advisory Property element for weather observation element container Property element for location reference Property element for minumum temperature Property element for maximum temperature Property element for new snow measured on a 24-hour board Property element for height of snowpack Property element for wind observation Property element for expected avalanche sizes Property element for likelihood of triggering Property element for travel advisory element Property element for name of location Required property element for specifying sub type of region (forecast area, drainage,..) Property element for aspect of location Property element for elevation of location Property element for time reference Base type definition of density measruement compnents Height of snow Type definition for a snow board or layer measurement Type definition for a temperature measurement at a time instant Type definition for wind measurements Wind speed Wind direction Enumerated type definition for wind speeds (num and enum + uom) Type definition for non-negative double number Type defitinion for medium length uom attribute Type defitinion for speed uom attribute Type defitinion for temperature uom attribute Property element for general comment Property element for custom data