Where are the hurricanes this year?
Why no hurricanes yet?
Because it's nearly August and there have been no hurricanes as of yet, many people believe that 2009 is shaping up to be a very slow season. Heck, just last year the first named storm of the season occurred on May 30!
But this seemingly slow start is really not that unusual at all.
25 to 30% of the time, the first named storm of the season does not occur until the month of August.
We have a long way to go.
The trough that has been situated over the eastern half or third of the country this summer (the same trough providing a cool summer in the Midwest and Northeast) has been responsible for creating a high wind shear environment over the Gulf and off the Southeast U.S. coast.
This has put a lid on the early part of the Atlantic hurricane season.
Second, there is also a high shear environment over the Caribbean Sea as westerly mid and upper level winds tear apart any organizing thunderstorm complex.
You need thunderstorms for a tropical depression to form - without thunderstorms, there will be no further development.
In the central Atlantic, high pressure has been displaced farther south; right over the breeding ground for tropical storms and hurricanes. This high pressure provides a dry and stable environment. Areas of low pressure that emerge off the African coast are quickly dismissed and dissipate due to this stable atmospheric environment.
All of these factors are the reason why there is a lack of tropical storms and hurricanes so far this year.
The last time there were no named storms until August was back in 2004. But if you remember that year (and many of you do), it turned out to be a very active and destructive season.
2004 Atlantic hurricane season
Four hurricanes made landfall over the state of Florida. Overall, nine storms struck the United States including the highly destructive Hurricane Ivan.
Remember 1992? The first hurricane to develop didn't do so until August 17. That infamous hurricane was Category 5 Andrew. It just takes one.
Dr. Lyons believes this will likely end up being an average or near-average season but also remain vigilant as it just takes that one or two storms to strike a highly populated area.
Little to no activity during the early part of a hurricane season doesn't mean much. What does matter is how strong the hurricane becomes and who gets hit in the end.
It only takes one.
2009 is still a big question mark.