For those not aware...the following link from NOAA's Storm Prediction Center has some climatology on Severe Wx/Tornado across the US. http://www.spc.noaa.gov/climo/ If you go through the links within this page, you'll find some very interesting data available. Enjoy, Scott -- Scott L. Whittier Senior Meteorologist DOC/NOAA/National Weather Service [log in to unmask] Burlington Intl Airport 802-862-2475 x239 1200 Airport Drive www.weather.gov/btv S. Burlington VT 05403-6028 ******************************************************************** The contents of this message are mine personally and do not necessarily reflect any position of the Government or the National Oceanic and Atmospheric Administration.