No hurricanes in the Atlantic Coast yet for first time since 1914

Here is an article from the Yucatan Times, explaining why there have been no hurricanes this year in the Caribbean.  I know I and everybody in Mahahual, are glad we got missed this year.

No hurricanes in the Atlantic Coast yet for first time since 1914

The Atlantic tropical cyclone basin has seen several named tropical storms thus far in 2015. But when it comes to hurricanes, this season hasn’t packed much of a punch, particularly in the western Atlantic.

Eric Blake, a hurricane specialist at the National Hurricane Center (NHC), commented on the lack of hurricanes west of 55 degrees longitude in the Atlantic basin so far this season. Blake said this marks the first time there have been no western Atlantic hurricanes through Sept. 22 since 1914, when there weren’t any.

The 1914 season was the last time no hurricanes formed anywhere in the Atlantic basin, which includes the Caribbean Sea and Gulf of Mexico.

no hurricane 1

Lack of Moisture

This graphic shows precipitable water, or a measure of moisture in a column of the atmosphere, anomalies this Atlantic tropical season. There has been a notable lack of moisture from the Gulf of Mexico into the Caribbean.

Two factors working against hurricane development, wind shear and dry air, have been quite prevalent from the Gulf of Mexico into much of the Caribbean all summer long.

Hurricanes thrive off of rich, tropical moisture evaporating into the air from warm ocean water. Dry air is detrimental to hurricane formation because it disrupts the cycle of warm moist air rising to form clouds and thunderstorms – a cycle that essentially gives a hurricane its source of energy.

Likewise, wind shear, or the change of wind direction and speed with height, creates a hostile environment for tropical systems, as it too disrupts the ability of clouds and thunderstorms to organize in a way that supports the formation or continuation of a hurricane.

unfavorable_winds (1)

Unfavorable Winds An illustration of how an El Niño pattern can produce unfavorable wind conditions for tropical activity in the western Atlantic. (Image:

El Niño can be partially to blame. This setup features warming of the Pacific Ocean and is generally associated with unfavorable wind patterns across the western Atlantic.

On the other hand, not only is the Pacific Ocean warm and tropically active, but atmospheric moisture has also been well above average in that area. The result has been nine hurricanes in the eastern Pacific, but zero in the adjacent western Atlantic.

With El Niño continuing and no signs of any major changes in wind shear and dry air, the western Atlantic hurricane drought may continue for a while.


Thanks for reading,

Stewart Rogers USA-South Carolina

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