Sentences with phrase «in tornado activity»

The new research does not attribute the shift in tornado activity in the region to any single cause.

We have been told that climate change would cause more powerful hurricanes and yet we have had a decade of lower hurricane activity and no change in tornado activity.

Records of tornado activity in the U.S. only date back to the 1950s, making it difficult to study changing trends in tornado activity.

The study's authors, John Long and Paul Stoy in MSU's Department of Land Resources and Environmental Sciences, observed the shift in tornado activity for all categories of tornadoes that occurred in the region from 1954 to 2009.