Ida tracked through the Caribbean, leaving a trail of destruction in Cuba and other islands. At its peak, Ida was category 4 on the Saffir Simpson scale. Hurricane Ida stands out as the season’s deadliest and most damaging storm. Improved early warnings and coordinated disaster management activities by members of WMO’s Hurricane Committee (Regional Association IV) seek to save lives and protect property and infrastructure each year. National Hurricane Center, which acts as WMO’s Regional Specialized Meteorological Centre, delivered accurate and timely forecasts and operational guidance products for the entire North Atlantic, Central America and Caribbean basin. This above-average hurricane season was accurately predicted by NOAA’s Climate Prediction Center in its May and August outlooks. If a hurricane is particularly devastating or deadly, its name is retired and a new one selected. If the list of names is exhausted, a supplemental list can be used. Male and female names are alternated, and the lists are used every six years. WMO maintains rotating lists of names in alphabetical order to alert the public of potential hazards. It was the first time on record that two consecutive hurricane seasons exhausted the list of 21 storm names. It marks the sixth consecutive above-normal Atlantic hurricane season. National Oceanic and Atmospheric Administration. This year was the third most active year on record in terms of named storms, according to the U.S. There were 21 named storms with winds of 64 km/h (39 mph) or greater, including seven hurricanes (winds of 118 km/h (74 mph) or greater) of which four were major hurricanes (hurricanes reaching category 3 and above according to the Saffir-Simpson Scale which is a 1 to 5 rating, with winds of 178 km/h (111) mph or greater). Accurate forecasts and coordinated early warnings protected life and property throughout the season. It was so active that, for the second consecutive year, it exhausted the regular list of names from WMO’s rotating list. Follow us to see how the season develops.The 2021 Atlantic hurricane season officially concluded on 30 November. To support our clients to RE(ACT) to these events as quickly as possible Geospatial Insight will also publish a weekly RE(ACT) watch round up on our LinkedIn and Twitter channels, covering active storms, the path and potential impact of these storms. Visit the RE(ACT) product page for more information or to request a demo to ensure you are fully prepared for the oncoming season. Our (RE)ACT on-demand CAT response service is available to track any storm 24/7 365, utilising artificial intelligence combined with imagery captured from over 600 satellites, and a unique international network of drone and aerial operators on every continent to rapidly analyse and deliver damage evidence as within 72 hours of instruction. With the devastation caused from last year’s record-breaking hurricane season, see our Is ‘above-average’ becoming the new normal? article for our season review, it is important to be prepared for the unpredictability of this weather season. The CSU team base their forecasts on a number of variables including sea surface temperatures, sea level pressures and wind and have also named the absence of the La Nina as the primary factor for a lower prediction in storm activity compared to 2021. In June, this forecast was updated to include sub-tropical storm Ana resulting in 18 named storms, 8 hurricanes and 4 major hurricanes, with Category 3 or stronger winds. Colorado State University (CSU) initial prediction release, in April, had forecasted 17 named storms, 8 hurricanes and 4 major hurricanes.
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