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Persistent SAL impacting the Hurricane Season - The Galveston County Daily News : Weather Watch

February 1, 2015

Persistent SAL impacting the Hurricane Season

Posted: Wednesday, July 23, 2014 4:19 pm | Updated: 2:41 pm, Mon Dec 15, 2014.

With Tropical Depression #2 weakening back into a tropical wave, systems in the Tropical Atlantic Basin continue to have a difficult time developing — not that I am complaining.

There are several reasons for the relatively slow start to the season. One is moderate to strong wind shear (which isn’t too unusual for this early in the season). Another is a stronger than normal high pressure area between Bermuda and the Azores, which is keeping brisk northeast trade winds over much of the Atlantic and Caribbean Sea. This, especially combined with wind shear aloft, tends to send systems rapidly to the west, disrupting their ability to develop into organized systems. It also is an explanation for the abundance of seaweed in the Gulf of Mexico this year.

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