Men verwacht een rustig orkaan seizoen in 2015. Maar één is genoeg om er een verwoestend seizoen van te maken.
Another quiet Atlantic hurricane season is likely in 2015, said the hurricane forecasting team of Dr. Phil Klotzbach and Dr. Bill Gray of Colorado State University (CSU) in their latest seasonal forecast issued April 9. They called for an Atlantic hurricane season with 7 named storms, 3 hurricanes, 1 intense hurricane, and an Accumulated Cyclone Energy (ACE) of 40. The long-term averages for the period 1971 - 2010 were 12 named storms, 6.5 hurricanes, 2 intense hurricanes, and an ACE of 92. The 2015 forecast calls for a below-average chance of a major hurricane hitting the U.S., both along the East Coast (15% chance, 31% chance is average) and the Gulf Coast (15% chance, 30% chance is average). The Caribbean is forecast to have a 22% chance of seeing at least one major hurricane (42% is average.) Five years with similar pre-season February and March atmospheric and oceanic conditions were selected as "analogue" years that the 2015 hurricane season may resemble: 2014 (which featured 8 named storms, 6 hurricanes, and 2 intense hurricanes); 1993 (8 named storms, 6 hurricanes, and 2 intense hurricanes); 1991, featuring Hurricane Bob, which hit Long Island, New York as a Category 2 storm; 1987 (7 named storms, 3 hurricanes, and 1 intense hurricane); and 1957, which featured the deadliest June hurricane on record, Hurricane Audrey, which killed 416 people in Texas and Louisiana. These five years all had at least moderate El Niño conditions and cool Sea Surface Temperatures (SSTs) in the tropical Atlantic. The average activity for these years was 8 named storms, 4 hurricanes, and 2 major hurricanes.
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