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AccuWeather's Proven Superior Accuracy™ Has No Peers

When it matters most and lives are on the line, AccuWeather's forecasts and warnings are the most trusted, most accurate, and often provide the most advance notice compared to all other known weather sources. If you are not using AccuWeather, you are not using the best.

Whether it is hurricanes, tornadoes, snow or ice, flooding rains, mudslides, high winds, extreme heat or cold, polluted air, or any other major weather event, AccuWeather's forecasts and warnings, are almost always significantly more accurate, provide greater advance notice, and communicate more detail and value than all other sources.

AccuWeather is proven to be the most trusted and most accurate weather source.

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*In a study, across all locations, time periods, and parameters, forecasts from a known competitor were 65.6% less accurate than those available at the same time from AccuWeather.

Do not be fooled by false accuracy claims by others. 


The Stakes Are Too High For You To Rely On Anything Less Than The Best

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Unlike other weather companies' claims, which are based on one source and a few weather parameters, AccuWeather's Superior Accuracy™  has been validated time and again across various parameters, as certified by numerous independent studies.


For Hurricanes


A new study conducted by Kantar, one of the world’s leading marketing data and analytics companies, has found that AccuWeather provided the most accurate and most effective hurricane forecasts during the 2024 Atlantic hurricane season, outperforming the National Hurricane Center (NHC) and all other known sources. 

For all 2024 U.S. landfall hurricanes, AccuWeather's forecasts provided, on average, 19 hours more advance notice of the storms’ track, 8.9% more accurate track forecasts, 4.4% more accurate hurricane intensity forecast, 5.7% more accurate landfall timing, 8.6% more accurate landfall point, and 37.8% more accurate landfall intensity forecast.

Read the Full Report Here

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Hurricane Beryl

June 28 – July 11, 2024: On July 2, 28 hours before the NHC and any other known source, AccuWeather predicted Beryl would bring flooding and damaging winds to Texas.

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Hurricane Helene

September 26 – 27, 2024: On September 24, AccuWeather was the ONLY known source to accurately warn that Helene would bring a catastrophic "flooding disaster” to the Southern Appalachians. And we did it 48 hours in advance.

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Hurricane Milton

October 5 - 10, 2024: On September 27, 12 days before Milton developed, AccuWeather was the first known source to predict that a tropical storm or hurricane would track towards Florida. On October 5, 6 hours before the NHC and all other known sources, AccuWeather issued its first track.

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Hurricane Ian

September 23 – 30, 2022: AccuWeather issued a track three days before the NHC. AccuWeather predicted a lethal storm surge of 16-20’ and the NHC predicted 12’-16’. AccuWeather saved dozens of lives as the storm surge of 18’ hit Florida and killed 150 people.

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Hurricane Sandy

October 22, 2012 – November 2, 2012: AccuWeather was the first to notify the public and save lives with warnings that were days ahead and more accurate than any other source. While the government and other public sources of information declared that Sandy would “not be a hurricane” at landfall, AccuWeather continued to call it a hurricane, knowing that people take action more critically for a hurricane than for more standard wind and coastal flood warning.

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Hurricane Katrina

August 23, 2005 – August 31, 2005: AccuWeather was cited by U.S. Congress as the first and only source to forecast the storm’s full damage in advance, saving an estimated ten thousand lives.


For Tornadoes

 

AccuWeather provides an average of 16 minutes of advance notice for tornadoes compared to an average of only 8 minutes from the NWS. AccuWeather also gets app users National Weather Service warnings often faster than any other known source. AccuWeather app subscribers get additional details, clearer communication and more valuable information when severe weather threatens.   AccuWeather's false alarm rate is 77% less. 

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Tennessee Tornado

February 8, 2025: A family in eastern Tennessee says the National Weather Service tornado warning delivered by the AccuWeather app was faster than any other source. It gave them extra time to take shelter at night in a neighbor’s home before a deadly tornado struck. AccuWeather, in addition to providing better severe weather coverage to its clients, also delivers warnings faster than all other sources, which is critical when minutes count.

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Southern Tornadoes

March 4-5, 2025: AccuWeather provided, on average, 14 minutes of advance notice of the nearly 30 tornadoes reported, while the NWS and all other known sources provided an average of 3 minutes. AccuWeather provided 5X the average advance notice.

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Oklahoma Tornado

November 3, 2024: AccuWeather provided 17 minutes of advance notice before a damaging EF3 tornado struck near Harrah, OK. The NWS and all other known sources did not issue a warning until AFTER the tornado had touched down.


For Snow and Ice

 

For snow and ice events, AccuWeather's forecasts for the start time and end times had an average error of 1½ hours. Other sources averaged more than a 3-hour error, meaning AccuWeather was at least twice as accurate. Every AccuWeather customer gets the most accurate and most valuable forecasts with the free app, subscribers can get even more details, and AccuWeather For Business clients receive white glove service. 

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Pennsylvania Snow

February 2, 2025: AccuWeather provided 24 hours of advance notice of slippery roads due to snow in north-central Pennsylvania, while the National Weather Service issued its advisory after the precipitation had already begun.

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Winter Storm

December 22 – 25, 2022: Two weeks in advance, AccuWeather accurately predicted one of the most significant winter storms to hit the U.S. in years. Five days ahead, AccuWeather warned, “5,000 flights can be delayed or canceled…the entire air system may take days to recover.” No other source forecasted this historic disruption.

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New York Storm

January 31 – February 3, 2021: AccuWeather forecasted 8-12” of snow, which beat all other forecasts by a large margin. AccuWeather put the accumulation amount into the forecast before all other sources and held the prediction. Other sources flip-flopped back and forth from no snow to up to 18”. As AccuWeather predicted, the accumulation across the city was actually 9-12.”


AccuWeather’s Proven Superior Accuracy Drives Better Results and Better Outcomes For You

Here are a few of the hundreds of AccuWeather Customer Testimonials

AccuWeather App Customer Testimonials

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AccuWeather For Business Customer Testimonials

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When it comes to forecast accuracy, AccuWeather Has No Peers

 

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*In a study, across all locations, time periods, and parameters, forecasts from a known competitor were 65.6% less accurate than those available at the same time from AccuWeather.

**Link to the Full Kantar Report on the 2024 Hurricane season

***D.C. Study Report: The February 2025 results are now final in the ongoing 38-year study comparing the accuracy of AccuWeather and National Weather Service (NWS) forecasts. Since 1998, both have been compared to the automated forecast output created by the computer models run by the NWS, which has long been the basis for the NWS's forecasts. The record is clear and compelling: AccuWeather continues its unparalleled record of proven Superior Accuracy.

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Learn more about how you can benefit from AccuWeather's Proven Superior Accuracy™.

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