Tornadoes, natureâs most violent storms, are spawned from powerful thunderstorms. With whirling winds that can reach 300 miles per hour, tornadoes can cause fatalities and devastate neighborhoods in seconds. The greatest number of tornadoes in one calendar month is 543, in May 2003. The highest recorded tornadic wind speed is 302 miles per hour, on May 3, 1999 in Bridge Creek, Oklahoma. The largest tornado outbreak in a 24 hour period occurred on April 3-4, 1974.
Rating Newest Oldest. Best Answer: Average size of the opening of the vagina (in a woman who has not delivered a baby through the birth canal) is 1.5-3.0 centimeters. This measurement is taken from the middle of the urethral opening to the posterior opening of the bottom part of the vagina. Average length of the vagina is approximately 8.0-12.5 centimeters.
1. any sheath or sheathlike structure. 2. the canal in the female that extends from the external genitalia (vulva) to the cervix uteri. The adult vagina is normally about 8 cm (3 in) long and slopes upward and backward. Internally, the bladder is in front of the vagina and the rectum in back.