http://www.ncdc.noaa.gov/oa/climate/research/serrt/ Thurs, 18 Apr 2006 15:19:01 EDT 4 en-us jay.lawrimore@noaa.gov ncdc.webmaster@noaa.gov Significant Weather Events http://www.ncdc.noaa.gov/img/ncdc-logosm.gif http://www.ncdc.noaa.gov http://mesohigh/oa/climate/research/serrt/2006-tornadoes.html Spring in the southern Plains and Tennessee and Ohio Valleys was punctuated by several severe weather outbreaks producing approximately 500 tornadoes and leading to nearly 50 deaths during March and April 2006.