The area from the central Mississippi Valley to the central Gulf of Mexico
coast is the most common area for large, destructive tornadoes during the early
part of the spring season. This area generally warms up the fastest in spring
and has plenty of exposure from Gulf moisture, dry air aloft from the
Southwest, and the clash of cold air at the surface to the north. The main
tornado alley for the whole season lies farther west, generally encompassing
the central and southern Plains.
The greatest loss of life that results from tornadoes is concentrated in
most of the early season area. The reasons for this are many, including:
population density, housing structures, and lack of storm shelters. Texas
actually has the most deaths of any state, because it is the largest of the
Story by AccuWeather.com Expert Senior Meteorologist Alex Sosnowski.