colorectal. pertaining to or of the nature of the colon and the rectum. colorectal polyp. benign or malignant; most commonly occurs at the anorectal junction in middle-aged dogs, causing diarrhea, dyschezia and rectal bleeding.
Although favorable conditions for tornadoes in the United States can occur at any time, they are most common in spring and least common in winter. Because spring is a transitional period for the climate, there are more chances of cooler air meeting with warmer air, resulting in more thunderstorms.
Tornadoes are most likely to have tornadoes in the late winter and  spring, with the greatest activity generally occurring in late  March and April. Edit. Share to: Least Duck. 156,238 Contributions. All you need is love, Love-Love is all you need.ornadoes are most likely to occur when a cold front or dry line is moving into an area, providing weak to modest lift in an area of sufficient instability with strong low lev â¦ el wind shear, high helicity, and that has an inversion cap. 2 people found this useful.