Force Ten (song) worked with Rush on their song "Tom Sawyer", had sent Neil Peart some lyrics for the song, and Peart would add more verses to it. Lyrically, the song describes the "storms of life," making a reference to a very high level of the Beaufort scale ("force ten" is defined as a 'storm', being near the scale's maximum of 12) as an analogy, according to the book "Rush and Philosophy: Heart and Mind United". Musically, "Force Ten" is composed in A minor, with changes into A major scale occurring in the song. The song is set in common time at a
Saffir–Simpson scale scale became operational on May 15, 2010. The scale excludes flood ranges, storm surge estimations, rainfall, and location, which means a Category 2 hurricane that hits a major city will likely do far more cumulative damage than a Category 5 hurricane that hits a rural area. The agency cited various hurricanes as reasons for removing the "scientifically inaccurate" information, including Hurricane Katrina (2005) and Hurricane Ike (2008), which both had stronger than estimated storm surges, and Hurricane Charley (2004), which had weaker than estimated storm surge. Since being removed from the Saffir–Simpson hurricane wind scale, storm surge predicting and modeling