This <i>W3C-unspecified</i> <a href="https://en.wikipedia.org/wiki/Vector_images" class="extiw" title="w:Vector images">vector image</a> was created with <a href="https://en.wikipedia.org/wiki/Inkscape" class="extiw" title="w:Inkscape">Inkscape</a> .
<ul><li><a href="//commons.wikimedia.org/wiki/File:Annual_severe_thunderstorm_watch_frequency_in_the_United_States.gif" class="mw-redirect" title="File:Annual severe thunderstorm watch frequency in the United States.gif">Annual_severe_thunderstorm_watch_frequency_in_the_United_States.gif</a>: Storm Prediction Center</li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:TastyCakes" title="User:TastyCakes">TastyCakes</a> (<a href="//commons.wikimedia.org/wiki/User_talk:TastyCakes" title="User talk:TastyCakes"><span class="signature-talk">talk</span></a>)</li></ul>
2010-03-09 16:01
<ul><li><a href="//commons.wikimedia.org/wiki/File:Annual_severe_thunderstorm_watch_frequency_in_the_United_States.gif" class="mw-redirect" title="File:Annual severe thunderstorm watch frequency in the United States.gif">Annual_severe_thunderstorm_watch_frequency_in_the_United_States.gif</a></li></ul>