A serene moment. A serene moment. The definition of serene is untroubled, or is the title for a high-ranking member of royalty. 1  An example of something serene is a calm day spent floating in a boat.2  The sleeping cat is an example of something serene. 3  Referring to Queen Elizabeth as Her Serene Highness is an example of serene.he definition of serene is untroubled, or is the title for a high-ranking member of royalty. 1  An example of something serene is a calm day spent floating in a boat. 2  The sleeping cat is an example of something serene.
An average of 1,224 tornadoes touch down per year across the United States. The top 10 states for tornadoes as of the most recent (1991-2015) average are as follows, in order from high to low: Texas, Kansas, Oklahoma, Florida, Nebraska, Illinois, Colorado, Iowa, Alabama, Missouri, and Mississippi.
Tornadoes have been observed on every continent other than Antarctica but there are areas which have a higher occurrence than others. The US has the most tornadoes annually, normally between 800-1000 a year; many of these occur in 'Tornado Alley', this area includes the states of Oklahoma, Texas, Kansas, Nebraska. tornado is defined as a 'violently rotating column of air which is in contact with the ground' (NWS). The word tornado is derived from the Spanish word tornar (to turn) and the Spanish word tronada (thunderstorm).