LiveCat Hurricane Forecast
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Hurricane Season
The 2015 Atlantic hurricane season is a current event in the annual tropical cyclone season in the northern hemisphere. The season officially begins on June 1, 2015 and ends on November 30, 2015. These dates historically describe the period each year when most tropical cyclones form in the Atlantic basin and are adopted by convention. However, the formation of tropical cyclones is possible at any time of the year. The first storm, Ana, developed a month before the official start of the season, becoming the first pre-season tropical or subtropical cyclone since 2012's Beryl, the earliest-forming cyclone since 2003's Ana, and the second-earliest cyclone on record to strike the United States. Despite the unusually early start, an ongoing El Niño event was forecast by many organizations to limit tropical cyclone activity in the basin throughout the season.

Seasonal Forecast
Predictions of tropical activity in the 2015 season
Source Date Named Hurricanes Major
NOAA Avg (1981–2010) 12.1 6.4 2.7
Record High 28 15 7
Record Low 4 2 0
 
TSR 9 Dec 2014 13 6 2
TSR 9 Apr 2015 11 5 2
CSU 9 Apr 2015 7 3 1
NCSU 13 April 2015 4-6 1-3 1
Forecasts of hurricane activity are issued before each hurricane season by noted hurricane experts Philip J. Klotzbach, William M. Gray, and their associates at Colorado State University (CSU); and separately by National Oceanic and Atmospheric Administration (NOAA) forecasters.

Klotzbach's team (formerly led by Gray) defined the average number of storms per season (1981 to 2010) as 12.1 tropical storms, 6.4 hurricanes, 2.7 major hurricanes (storms reaching at least Category 3 strength on the Saffir–Simpson hurricane wind scale), and an Accumulated Cyclone Energy (ACE) index of 96.1. NOAA defines a season as above-normal, near-normal or below-normal by a combination of the number of named storms, the number reaching hurricane strength, the number reaching major hurricane strength, and the ACE index.

On December 9, 2014, Tropical Storm Risk (TSR), a public consortium consisting of experts on insurance, risk management, and seasonal climate forecasting at University College London, issued their first outlook on seasonal hurricane activity during the 2015 season. In their report, the organization forecast activity about 20% below the 1950–2014 average, or about 30% below the 2005–2014 average, totaling to 13 (±4) tropical storms, 6 (±3) hurricanes, 2 (±2) major hurricanes, and a cumulative ACE index of 79 (±58) units. This forecast was largely based on an enhancement of low-level trade winds across the tropical Atlantic during the July to September period. TSR's report stressed that uncertainty in this forecast existed due to the unpredictability in the El Niño Southern Oscillation and North Atlantic sea surface temperatures. A few months later, on April 9, 2015, the organization updated their report, detailing their prediction of activity 45% below the 1950–2014, or about 50% below the recent 2005–2014 average, with 11 named storms, 5 hurricanes, 2 major hurricanes, and a cumulative ACE index of 56 units. TSR cited what were expected to be cooler than average ocean temperatures across the tropical North Atlantic and Caribbean Sea as reasoning for lower activity. In addition, the report stated that if the ACE forecast for 2015 were to verify, the total values during the three-year period from 2013–2015 would be the lowest since 1992–1994, signalling a possible end to the active phase of Atlantic hurricane activity that began in 1995.

On April 9, CSU also released their first quantitative forecast for the 2015 hurricane season, predicting 7 named storms, 3 hurricanes, 1 major hurricane, and a cumulative ACE index of 40 units. The combination of cooler than average waters in the tropical and subtropical Atlantic, as well as a developing El Niño predicted to reach at least moderate intensity, were expected to favor one of the least active seasons since the mid-1990s. The probabilities of a major hurricane striking various coastal areas across the Atlantic were lower than average, although CSU stressed that it only takes one landfalling hurricane to make it an active season for residents involved. On April 13, North Carolina State University released their forecast, predicting a near record-low season with just four to six named storms, one to three hurricanes, and one major hurricane.

2015 Storm Names
The following list of names will be used for named storms that form in the North Atlantic in 2015. Retired names, if any, will be announced by the World Meteorological Organization in the spring of 2016. The names not retired from this list will be used again in the 2021 season list. This is the same list used in the 2009 season. The name Joaquin replaced Juan after 2003, but was not used in 2009.
  • Ana
  • Bill
  • Claudette
  • Danny
  • Erika
  • Fred
  • Grace
  • Henri
  • Ida
  • Joaquin
  • Kate
  • Larry
  • Mindy
  • Nicholas
  • Odette
  • Peter
  • Rose
  • Sam
  • Teresa
  • Victor
  • Wanda
Atlantic Hurricane Analysis
Atlantic Hurricane Analysis
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The Hurricane Atlantic Analysis map displays the current surface features (highs, lows, fronts, tropical cyclones) in the Atlantic Ocean.
24 Hour Tropical Winds
24 Hour Tropical Winds
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The Hurricane Tropical Winds map displays high level (about 40,000 feet) wind speed and direction over the Atlantic Ocean for the past 24 hours.
Pacific Hurricane Analysis
Pacific Hurricane Analysis
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The Hurricane Pacific Analysis map shows the current and forecast positions of any active tropical cyclones in the central and eastern Pacific Ocean.
Hurricane Atlantic Satellite
Hurricane Atlantic Satellite
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The Hurricane Atlantic Satellite map shows clouds by their temperature over the Atlantic. Warmest (lowest) clouds are shown in white; red and blue areas indicate cold (high) cloud tops.
Hurricane Caribbean Satellite
Hurricane Caribbean Satellite
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The Hurricane Caribbean Satellite map shows clouds by their temperature over the Caribbean Sea. Red and blue areas indicate cold (high) cloud tops.
Hurricane Pacific Satellite
Hurricane Pacific Satellite
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Maps displayed are infrared (IR) images. Warmest (lowest) clouds are shown in white; coldest (highest) clouds are shown in shades of yellow, red, and purple.
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