Keep your eyes on the sky — it looks like 2006 will be a big year for tornadoes. As of the first week in April, there have already been 445 “twisters” in the United States. Last year, there were only 96 tornadoes by the beginning of April. According to the National Oceanic and Atmospheric Administration (NOAA), a government agency that studies the environment, this marks the most intense tornado activity in the first three months of any year since 1999. Previous years with a busy start have produced high numbers of tornadoes throughout the year.
       For those living in “Tornado Alley” from west