Wednesday, September 18, 2013

The Severe Thunderstorm And Tornado Downturn On A National Scale

Full size image available here.

We mentioned earlier this summer that 2013 has been a generally quiet severe weather season across the country. Iowa State put together this great graphic yesterday to show how quiet the nation, in general, has been with regards to severe thunderstorm and tornado warnings on average.

Keep in mind that the greatest number of severe weather warnings occurs in the Midwest, Plains, and South.

Some parts of the country, specifically the tornado-prone parts of Alabama and Tennessee, have seen less than 40 percent of their normal warning count so far this year. Texas, another warning hotbed, has generally run in the 60 to 80 percent range of normal this year.

Areas that are running the highest percentages above average are across the West -- where the average number of warnings is substantially lower than it is in the middle of the country. Perspective needed on that one!

How is the year so far for severe weather locally?  Well, it's just over 50 percent of average.

While we've dealt with other sets of hazards this summer -- flooding in particular -- the severe weather season locally and in much of the nation has been much quieter than average, continuing a trend that started late last Spring.