<?xml version="1.0" encoding="utf-8"?><rss xmlns:media="http://search.yahoo.com/mrss/" xmlns:dc="http://purl.org/dc/elements/1.1/" version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">  <channel>    <title>NationalWorld extreme weather</title>    <link>https://www.nationalworld.com/topic/extreme-weather/rss</link>    <description>Visit now for the latest news direct from NationalWorld extreme weather and updated throughout the day</description>    <language>en-gb</language>    <copyright>Copyright 2026, Iconic Media Group Ltd</copyright>    <pubDate>Thu, 05 Nov 2026 22:46:38 GMT</pubDate>    <dc:date>2026-11-05T22:46:38Z</dc:date>    <dc:language>en-gb</dc:language>    <dc:rights>Iconic Media Group Ltd or its affiliated companies. All rights reserved. 2026</dc:rights>    <atom:link rel="self" href="https://www.nationalworld.com/topic/extreme-weather/rss" type="application/rss+xml" />    <link rel="hub" href="https://pubsubhubbub.appspot.com/" />        <item>          <title><![CDATA[Sudden stratospheric warming: What could it mean for the UK's weather this winter?]]></title>          <link>https://www.nationalworld.com/news/stratosphere-warming-vortex-winter-snow-9332622</link>          <description><![CDATA[<p>A rapid warming high above the Arctic can change where Britain’s winter weather comes from. It helped set the scene for the Beast from the East, but does it tell us anything about our chances of a white Christmas?  Our weather expert Gareth Butterfield breaks it all down.</p>]]></description>          <pubDate>Thu, 05 Nov 2026 20:00:25 GMT</pubDate>          <guid isPermaLink="false">9332622</guid>        <media:content url="https://www.nationalworld.com/webimg/b25lY21zOjk0NzliNDQwLTIwYjQtNDFkYy04YzdiLWMyYmM2MDNhM2JhNjoxZGI0ODI0NS05MWNmLTQ4ZTctOTNmOC0xNjBjN2JiM2Y4OWI=.jpg?width=1200&amp;auto=webp&amp;crop=3%3A2" type="image/jpeg" medium="image">                        <media:text><![CDATA[Is a Sudden Stratospheric Warming about to deliver a massive cold snap in the UK? It could, but it’s not that simple. - ]]></media:text>        </media:content>          <dc:creator><![CDATA[Gareth Butterfield]]></dc:creator>          <dc:date>2026-11-05T20:00:25+00:00</dc:date>          <category><![CDATA[News]]></category>        </item>  </channel></rss>