Storm Force Ten Storm Force Ten Storm Force Ten is an album by British folk rock band Steeleye Span, the band's 10th effort, released in 1977. Until their 2013 album "Wintersmith", released 36 years after "Storm Force Ten", this album was the band's last production to reach the charts, topping out at 191 on Billboard's Pop charts. After "Rocket Cottage", Bob Johnson and Peter Knight left the band. As there was still a contractual obligation, they invited Martin Carthy back again. Back in 1971 when Martin Carthy had joined he had recommended John Kirkpatrick but they decided on fiddler Peter Knight instead. This
Beaufort scale winds in hurricanes would be 23 in the scale. Today, hurricane-force winds are sometimes described as Beaufort scale 12 through 16, very roughly related to the respective category speeds of the Saffir–Simpson hurricane scale, by which actual hurricanes are measured, where Category 1 is equivalent to Beaufort 12. However, the extended Beaufort numbers above 13 do not match the Saffir–Simpson scale. Category 1 tornadoes on the Fujita and TORRO scales also begin roughly at the end of level 12 of the Beaufort scale, but are independent scales – although the TORRO scale wind values are based on the 3/2 power