<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">meteorological balloons</topic></authority><related type="other"><topic>meteorology</topic></related><related type="other"><topic>sounding balloons</topic></related><related type="broader"><topic>balloons</topic></related><variant type="other"><topic>balloon, weather</topic></variant><variant type="other"><topic>balloons, meteorological</topic></variant><variant type="other"><topic>balloons, weather</topic></variant><variant type="other"><topic>meteorological balloon</topic></variant><variant type="other"><topic>weather balloon</topic></variant><variant type="other"><topic>weather balloons</topic></variant> <note xml:lang="en"><![CDATA[ Balloons used to carry meteorological instruments, especially radiosondes, aloft; for balloons carrying self-registering instruments aloft for general atmospheric research, use "sounding balloons." ]]></note></mads>