<
xs:restriction
base="
xs:string
">
<xs:enumeration
value="dense fog" id="_5377"/>
<xs:enumeration
value="fog" id="_5378"/>
<xs:enumeration
value="patchy fog" id="_5379"/>
<xs:enumeration
value="freezing fog" id="_5380"/>
<xs:enumeration
value="ice fog" id="_5405"/>
<xs:enumeration
value="mist" id="_5381"/>
<xs:enumeration
value="haze" id="_5382"/>
<xs:enumeration
value="visibility reduced" id="_5383"/>
<xs:enumeration
value="visibility blocked" id="_5404"/>
<xs:enumeration
value="white out" id="_5384"/>
<xs:enumeration
value="blowing snow" id="_5385"/>
<xs:enumeration
value="smoke hazard" id="_5386"/>
<xs:enumeration
value="spray hazard" id="_5387"/>
<xs:enumeration
value="low sun glare" id="_5388"/>
<xs:enumeration
value="snow glare" id="_5389"/>
<xs:enumeration
value="blowing dust" id="_5390"/>
<xs:enumeration
value="blowing sand" id="_5391"/>
<xs:enumeration
value="dust storms" id="_5392"/>
<xs:enumeration
value="sandstorms" id="_5393"/>
<xs:enumeration
value="air quality good" id="_5394"/>
<xs:enumeration
value="air quality fair" id="_5395"/>
<xs:enumeration
value="air quality poor" id="_5396"/>
<xs:enumeration
value="air quality very poor" id="_5397"/>
<xs:enumeration
value="severe exhaust pollution" id="_5398"/>
<xs:enumeration
value="smog alert" id="_5399"/>
<xs:enumeration
value="pollen count high" id="_5400"/>
<xs:enumeration
value="pollen count medium" id="_5401"/>
<xs:enumeration
value="pollen count low" id="_5402"/>
<xs:enumeration
value="swarms of insects" id="_5403"/>
<xs:enumeration
value="fog clearing" id="_5499"/>
<xs:enumeration
value="visibility improved" id="_5500"/>
<xs:enumeration
value="fog forecast withdrawn" id="_5501"/>
<xs:enumeration
value="pollution alert ended" id="_5502"/>
<xs:enumeration
value="air quality improved" id="_5503"/>
</
xs:restriction>