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TRACKING THE TROPICS

On the map below, the circle over the Gulf of Mexico is for an area of low pressure heading toward Texas.  Development is not expected.  Also, we're tracking Cristobal and a tropical wave over the Atlantic Ocean that may become another depression though chances are low.

WEATHER ALERT


TROPICAL WEATHER

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Hurricane forecasters: El Niño could mean fewer storms in Atlantic

Updated:

(CNN) -- How will El Niño affect hurricane season? It depends on the ocean, forecasters say.


Forecasters announced Thursday that the Atlantic hurricane season likely will have fewer storms than the average year, while in the Pacific, the numbers might be higher.


The outlook from the National Oceanic and Atmospheric Administration Climate Prediction Center forecast three to six hurricanes, with one or two major hurricanes for the Atlantic season, which begins June 1.


There likely will be eight to 13 named storms in the Atlantic.


"It doesn't matter
whether we get one or a dozen, it matters which one(s) hit land and what
land it hits," CNN meteorologist and severe weather expert Chad Myers
said.


About 40% of Americans
live in counties on a shoreline, said Holly Bamford, the assistant
administrator for NOAA's National Ocean Service.


El Niño, characterized by
warmer water in the equatorial Pacific, increases strong wind shear in
the Atlantic, which reduces the intensity of tropical storms and
hurricanes and prevents other systems from becoming powerful enough to
be named storms.


The Atlantic Ocean is also cooler than in recent years.


"We are currently seeing
strong trade winds and wind shear over the tropical Atlantic, and NOAA's
climate models predict these conditions will persist, in part because
of El Niño," said Gerry Bell, NOAA's lead hurricane season forecaster.


The Atlantic hurricane
season runs through November 30. The region includes the Caribbean Sea,
Gulf of Mexico and north Atlantic Ocean.


Last year there were 11 tropical storms and two hurricanes.


The center said there was a 70% chance there would be 14 to 20 named storms for the Eastern Pacific,
with seven to 11 hurricanes, with the likelihood of three to six being
Category 3 hurricanes or stronger (winds greater than 100 mph). That
would be near normal or above normal.


"El Niño decreases the
vertical wind shear over the eastern tropical Pacific, favoring more and
stronger tropical storms and hurricanes," Bell said.


It is extremely rare for an Eastern Pacific hurricane to affect the U.S. mainland, though some do have an influence on Hawaii.


The Eastern Pacific
hurricane season runs from May 15 through November 30. Last year there
were nine tropical storms and nine hurricanes.


There is a 65% chance of an El Niño forming, the center said on May 8Hurricane forecasters: El Niño could mean fewer storms in Atlantic


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