Example image of eyePlorer eyePlorer map for 'Tornado watch': Meteorology Specific Area Message Encoding Storm chaser Thunderstorm Tornado Severe thunderstorm watch Tornado warning Severe thunderstorm warning National Weather Service Storm Prediction Center United States Perpendicular County Tornado outbreak Edmonton Environment Canada Halifax Regional Municipality Meteorological Service of Canada Montreal Toronto Vancouver Severe weather terminology (United States) November 2008 Carolinas tornado outbreak List of tornado-related deaths at schools Robert H. Johns Special weather statement Particularly dangerous situation Hurricane Georges tornado outbreak Convective storm detection First Warning May 1–2, 2008 tornado outbreak May 2009 Southern Midwest derecho Windsor Locks, Connecticut tornado Marion, Illinois tornado outbreak Effects of Hurricane Charley in South Carolina May 2009 derecho series 1999 Oklahoma tornado outbreak Late-March 2007 tornado outbreak April 2, 2006 Central United States tornado outbreak 2006 Westchester County tornado 1920 Palm Sunday tornado outbreak 1948 Tinker Air Force Base tornadoes Gainesville, Georgia Mid-December 2007 North American Winter storms Moosonee, Ontario 2008 Super Tuesday tornado outbreak Late-May 2008 tornado outbreak sequence Tropical Storm Becky (1970) Red box WT