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.
Along Hoosier Alley, tornado activity peaks in the spring and early summer. The farther north you live, the more likely tornadoes are to occur in the latter parts of summer. To see how many tornadoes occur on average in your state per calendar month, visit the NOAA NCEI U.S. Tornado Climatology Page.