Normal body temperature for healthy babies is in the range of 96.8Â°F to 98.6Â°F, or 36Â°C to 37Â°C. If the baby's body temperature rises above 100.4Â°F to 101.3Â°F, then it is considered as indication of fever. If it falls below 96.8Â°F then the child has low temperature and needs immediate warming up.
Tornadoes usually lasts only a few minutes, but they are very intense. Their wind speeds range from 18 to 140 m/s. The damage path of a tornado is usually less than 500 meters wide and it travels at less than 16 m/s. Each year, the United States ranks number one in tornado incidence with Australia coming in second. Very often, the most devastating ones occur in Bangladesh.
The strength of tornadoes is measured using the Fujita Scale, it ranges from F0 to F5 where F0 tornados cause minimal damage and F5 tornados cause massive damage. Most tornadoes have wind speeds that are less than 100 miles per hour or 161 km per hour. Massive tornadoes can reach wind speed of over 300 miles per hour or 483 km per hour. Next story Statue of Liberty facts â Interesting facts about Statue of Liberty.