Dermatomes Topic Guide. Dermatomes: Dermatomes are the nerves from the spinal cord that supply sensation (for example, pain, touch, temperature) to the body. A chart maps the different segments of the spinal cord.ermatomes Topic Guide. Dermatomes: Dermatomes are the nerves from the spinal cord that supply sensation (for example, pain, touch, temperature) to the body. A chart maps the different segments of the spinal cord.
Statistics show May was the peak month for tornadoes in Arkansas over a 30-year period. Numbers released Thursday from the National Weather Serviceâs Storm Prediction Center showed May as the month with the greatest number of tornadoes from 1981 to 2010. April came in second and November was third.
More about the power of tornadoes: 1  Tornado Alley encompasses the eastern section of South Dakota, eastern Colorado, Nebraska, Kansas, Oklahoma and northern Texas. 2  One of the deadliest tornadoes in recorded history was the Tri-State Tornado of 18 March 1925. The tornado traveled a total of 219 miles, killing 695 people in Illinois, Missouri and Indiana. Although Oklahoma City holds the record for the most tornadoes, tiny Codell, Kansas, holds the distinction of being struck on the same date for three consecutive years, with tornadoes occurring on 20 May of 1916, 1917 and 1918.