NOAA http://news.stlpublicradio.org en Update: NOAA says "vast majority" of residents didn't respond to first Joplin tornado siren http://news.stlpublicradio.org/post/update-noaa-says-vast-majority-residents-didnt-respond-first-joplin-tornado-siren <p><strong>Updated 2:03 p.m. with link to full report</strong></p><p><strong>Updated 12:46 p.m. with information from report</strong></p><p><em>Originally published 10:46 a.m.</em></p><p>The federal agency that oversees the National Weather Service says warning sirens and notifications went out well ahead of the devastating Joplin tornado. But it says residents didn&#39;t respond quickly enough to the sirens warning of the impending twister.</p> Tue, 20 Sep 2011 19:46:55 +0000 The Associated Press 2087 at http://news.stlpublicradio.org Update: NOAA says "vast majority" of residents didn't respond to first Joplin tornado siren