Latest Study of 120 Million Forecasts Proves AccuWeather Forecasts Are Most Accurate
Study after study show AccuWeather forecasts are the most accurate, reliable for the protection of life and property among top weather providers.
STATE COLLEGE, Pa., Jan. 14, 2020 /PRNewswire/ -- In the latest and most comprehensive statistical analysis of forecast accuracy ever undertaken, independent forecast tracker ForecastWatch reconfirmed the Superior Accuracy of AccuWeather forecasts by a significant margin over the next five sources of weather forecasts in all categories examined. The study analyzed 120 million forecasts from over 1,000 locations globally over a four-year period ending December 31, 2018, and AccuWeather was found to be the clear winner as the most accurate provider of weather forecasts in temperature, precipitation and wind speed– a clean sweep of all categories -- for a 1-5 days-out forecast period.
Read the full ForecastWatch four-year report here.
This comprehensive test analyzed data collected regarding weather forecasts in 1,108 locations around the world. For both 24-hour high- and low-temperature forecasts, AccuWeather was the most accurate provider with the lowest average of absolute error and the greater percentage of forecast accuracy within 3 degrees of actual temperature observations.
The study, which covered the period of January 1, 2015 through December 31, 2018, also examined precipitation forecasts and AccuWeather's accuracy was found to be "noticeably higher than the next four providers and significantly higher than Dark Sky," according to the report. "AccuWeather stood out as the most accurate wind speed forecaster during the 48-month period of analysis" with the lowest average absolute error, performing 28 percent better than the next closest provider. Other providers included in the report in addition to AccuWeather and Dark Sky were The Weather Channel, Weather Underground, both owned by IBM, Foreca and Intellicast.
"We are proud to provide the most accurate and actionable forecasts available for our users and clients to help them make the best decisions, protect their families, reduce losses, and increase profitability, when weather is a factor," said Marshall Moss, AccuWeather Vice President of Forecasting and Graphics Operations. "People as well as businesses and government agencies globally depend on AccuWeather forecasts, and this latest study from ForecastWatch proves their trust in the AccuWeather forecast is well-founded."
The independent analysis by ForecastWatch, the world's premier weather forecast monitoring and assessment service, provides additional clear, concrete evidence that AccuWeather's forecasts are superior to all other sources and, as a result, bring the most significant benefits to people and businesses.
"The disruptive impact of weather on lives and businesses is significant," said Dr. Joel N. Myers, AccuWeather Founder and CEO. "We are extremely proud of our track record of forecast accuracy, but the margin of exceptional value we provide goes well beyond what is demonstrated in this latest independent report. Our weather forecasts are more localized than other sources, more detailed, and extend further into the future."
"The powerful combination of accuracy and detail, both in location and time, and AccuWeather's emphasis on how predicted weather conditions will impact its users and business clients, make AccuWeather's forecasts many times more valuable than our statistical advantages proven in this latest study," he continued.
As an example, Myers explained that while other sources may provide a weather forecast for New York City, AccuWeather forecasts are available for up to 279 different neighborhoods within New York City. "The detail and hyper localization we offer means we deliver accuracy and value not even captured in this or any other statistical comparison," he said.
Notably, while AccuWeather, which makes its forecasts available free via its popular apps and accuweather.com, ranked first in temperature and precipitation forecast accuracy, Dark Sky, a weather app available at a cost to users, ranked last in both categories in this ForecastWatch study. Intellicast ranked last in wind speed forecast accuracy.
Myers added that in study after study, this latest report once again validates the important work of AccuWeather and demonstrates when users and customers choose AccuWeather, they are choosing the very best, most dependable source for the protection of life and property in the face of hazardous weather. Just prior to this ForecastWatch report, the industry tracker concluded in an 18-month study ending in June 2019 that AccuWeather had the most accurate weather forecasts in another victory of all categories tested – high- and low-temperature and wind speed forecast accuracy.
AccuWeather's leadership in forecast accuracy is the foundation on which all its innovative products and services are built. The patented AccuWeather MinuteCast® forecast, for example, gives users precipitation forecasts up to two hours ahead with precise start and stop times for every location. And in addition to hour-by-hour forecasts, AccuWeather offers forecasts that extend farther into the future than any other source, all the way up to 90-day forecasts that are highly popular with users who like to plan ahead.
These added benefits, explained Myers, coupled with AccuWeather's carefully crafted communication and emphasis on how forecasts impact peoples' lives and activities, make AccuWeather's forecasts uniquely valuable.
AccuWeather's proven Superior Accuracy is achieved by exclusive patented technology, the largest collection of global forecast models and data, leading-edge predictive AI and machine learning, and the best IP and procedures developed and refined over the company's 57-year history, combined with the most talented and experienced group of meteorological forecasters anywhere. AccuWeather employs more than 100 expert meteorologists who work as forecasters as well as throughout other parts of the company.
In addition to helping people remain safe and prepared, AccuWeather's weather forecasts and warnings also help thousands of businesses. AccuWeather works with more than half of the Fortune 500 companies and thousands of other businesses and government agencies globally to keep customers and employees safe, minimize losses and liability, save costs, improve efficiency and significantly outperform their competitors with uniquely valuable insights.
In business to help keep people safe, AccuWeather is dedicated to innovation and has developed many scientific breakthroughs and life-saving innovations, such as its exclusive AccuWeather RealImpact™ Scale for Hurricanes, a six-point scale, including a rating of less than one, to better communicate the impacts of hurricanes and tropical storms. Unlike the widely used Saffir-Simpson scale, which only uses wind speed, the RealImpact Scale incorporates a variety of factors to communicate the threat of a hurricane, such as flooding rain, storm surge and total damage and economic loss in addition to wind speed.
Some recent examples of AccuWeather's dedication to forecasting and communicating with Superior Accuracy include:
August/September 2019 – Days in advance, AccuWeather correctly predicted Hurricane Dorian would be a 5 on the AccuWeather RealImpact Scale for Hurricanes when it devastated the northern Bahamas and a 2 across the southeastern United States. AccuWeather's forecasting accuracy led to a week's advance notice of the threat that wreaked havoc on the Bahamas, warning of flooding, coastal inundation, building, structural and tree damage. The company received many expressions of gratitude from emergency planners and the public for the early warnings.
October 2019 – AccuWeather correctly predicted the landfall location of Super Typhoon Hagibis, which devastated the Kanto region of Japan, many days in advance, with a 6-day track error of 60 miles and a 4-day forecast that was nearly identical to the actual landfall location. Important impacts were communicated by AccuWeather including expected flash flooding, damaging winds, mudslides and travel disruptions. AccuWeather also cautioned about possible evacuations. In Tokyo, AccuWeather predicted wind gusts would be 80-100 mph and 6-12 inches of rain. Actual observations were 93 mph wind gusts and 9 inches of rain.
February 2019 –Well in advance of a major snow and ice storm, AccuWeather's long-range forecasting and meteorology team warned of a northeast storm's impact as early as one week prior to the event. The company's impact-driven forecasts accurately conveyed the significant winter weather and its effect on people and businesses, including widespread power outages, slow and slippery travel conditions and a period of heavy snow and substantial buildup of ice. While there was major disruption to much of the northeast, AccuWeather accurately predicted there would be little impact in New York City, which ultimately only received 1.2 inches of snow. Other sources predicted up to 6 inches of snow.
Forbes magazine dubbed ForecastWatch "the JD Power of weather prediction" and, according to Myers, these latest studies, in addition to numerous real-life examples of forecast accuracy, demonstrate once again why AccuWeather forecasts are the most trusted to provide actionable insights to help people and business better cope with the impact of weather.
About AccuWeather, Inc. and AccuWeather.com — AccuWeather, recognized and documented as the most accurate source of weather forecasts and warnings in the world, has saved tens of thousands of lives, prevented hundreds of thousands of injuries and tens of billions of dollars in property damage. With global headquarters in State College, PA and other offices around the world, AccuWeather serves more than 1.5 billion people daily to help them plan their lives and get more out of their day through digital media properties, such as AccuWeather.com and mobile, as well as radio, television, newspapers, and the 24/7 AccuWeather Network channel. Additionally, AccuWeather produces and distributes news, weather content, and video for more than 180,000 third-party websites. Among AccuWeather's many innovative and award-winning features available free to the public are MinuteCast® Minute by Minute™ forecasts with Superior Accuracy™. Furthermore, AccuWeather serves more than half of Fortune 500 companies and thousands of businesses globally. Dr. Joel N. Myers, Founder and Chief Executive Officer, established AccuWeather in 1962 and is considered the "father of modern commercial meteorology." Dr. Myers, a leading creative thinker and visionary, has been named "the most accurate man in weather" by The New York Times and one of the top entrepreneurs in American history by Entrepreneur's Encyclopedia of Entrepreneurs.
AccuWeather, RealFeel, WinterCast, and MinuteCast are all registered trademarks of AccuWeather, Inc. AccuWeather RealFeel Temperature, AccuWeatherIQ, AccuWeather RealImpact, AccuWeather RI, AccuWeather MinuteCast, AccuWeather Network, Minute by Minute and Superior Accuracy are all trademarks of AccuWeather, Inc. All other trademarks, product names and logos are the property of their respective owners.
The AccuWeather app for Android phone and tablet users is free at the Google Play store. The
AccuWeather iOS app is free at apps.apple.com. Visit accuweather.com for additional information.
Rhonda Seaton
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SOURCE AccuWeather
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