Even with a busy tornado year, still no upward trend in tornadoes
US Tornado Trends–Updated to 2011 Guest post by Paul Homewood 2011 has obviously been a disastrous year for tornadoes in the USA, but does this reflect an increasing trend in either the number or severity of tornadoes? The NOAA graph below is often used to show trends of severe F3+ tornadoes and certainly indicates that there…