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Hurricane forecasters see above-average 2018 U.S. storm season

by Reuters
Thursday, 5 April 2018 17:30 GMT

Hurricane Maria is pictured over Puerto Rico in the Caribbean Sea in this September 20, 2017 NASA satellite handout photo. NASA/Handout via REUTERS

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An average Atlantic hurricane season produces 12 named storms of which six become hurricanes, three of them major

By Erwin Seba

HOUSTON, April 5 (Reuters) - The United States faces an above-average Atlantic hurricane season with the U.S. Gulf and East coasts facing nearly equal chances of being struck by a major hurricane packing winds over 111 miles per hour (178 km per hour), Colorado State University meteorologists said on Thursday.

There also is a 52 percent probability that a major hurricane will move into the Caribbean Sea during the 2018 season that begins June 1 and runs through Nov. 30, said researchers at Colorado State's Tropical Meteorology Project.

Its long-range forecast, which expects seven storms to develop into hurricanes, is similar to those recently issued by private forecasters AccuWeather and WeatherBell Analytics.

The U.S. Climate Prediction Center will issue its outlook for 2018 in late May, according to Dennis Feltgen, spokesman for the National Oceanic and Atmospheric Administration.

"Long-term statistics show that, on average, the more active the overall Atlantic basin hurricane season is, the greater the probability of U.S. hurricane landfall," wrote authors Philip Klotzbach and Michael Bell in their forecast.

An average Atlantic hurricane season produces 12 named storms of which six become hurricanes, three of them major.

Last year, Hurricanes Harvey, Irma and Maria devastated the U.S. Gulf Coast, Florida and Puerto Rico, respectively. Harvey inundated Houston and forced the partial or complete shutdown of 14 oil refineries including the largest and second largest in the United States. Puerto Rico continues to recover from Maria, which knocked out power for hundreds of thousands of residents.

According to the Colorado State forecast, there is a 39 percent probability a major hurricane will strike the East Coast and a 38 percent probability such a storm will make landfall between the Florida panhandle and Brownsville, Texas.

Both the AccuWeather and Colorado State forecasts point to a weakening La Nina pattern in the Pacific Ocean. La Nina is the name for a pattern of cold ocean temperatures in the Pacific Ocean.

The two forecasts do not expect an El Nino pattern will form if the La Nina ends. The El Nino is the name for a pattern of warm ocean temperatures in the central Pacific, which produces high winds across the southern United States, often breaking apart tropical storms. (Reporting by Erwin Seba Editing by James Dalgleish)

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