Professional weather forecast (2024)

FAQs

What is the most precise weather forecast? ›

The Weather Company, an IBM Business

The world's most accurate forecaster globally, the company reaches hundreds of enterprise clients and more than 400 million monthly active users via its digital properties from The Weather Channel (weather.com) and Weather Underground (wunderground.com).

AccuWeather gathers the best and most comprehensive weather data to deliver forecasts with Superior Accuracy. Forecasts are pinpointed for every location on Earth and extend further ahead than any other source.

According to a University of Illinois study, the Almanac is only 52% accurate, which is basically a random process. Most short-term forecast models used by meteorologists tend not to go beyond two weeks because accurately predicting weather past that point is very difficult.

Powered by proprietary GRAF technology (Global High-Resolution Atmospheric Forecasting), The Weather Company is The World's Most Accurate Forecaster¹ and a trusted weather partner for people and businesses everywhere.

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 ...

Internationally recognized by the World Meteorological Organization with awards for “Best User Interface and Data Representation”, “Best Weather Warnings”, and “Best Design and Presentation of Information, User-Friendliness; Access and Customization” making AccuWeather one of the best weather apps!

Global models with worldwide weather forecasts

The ECMWF is generally considered to be the most accurate global model, with the US's GFS slightly behind.

Forecast Advisor, which tracks the accuracy of weather forecasts, shows that for the Hackensack area code it was The Weather Channel, which provides weather to Apple, that had the most accurate forecasts in December at about an 89% accuracy rate.

While NOAA releases seasonal outlooks much closer to the time frame they're predicting (such as releasing the winter outlook in mid-October), the forecasts are still subject to changes for accuracy, while the almanacs are set in stone once they're published.

Is almanac.com a reliable source? ›

Publishers claim that "many longtime Almanac followers claim that their forecasts are 80% to 85% accurate" on their website.

We've come a long way since then, especially in the last 50 years. “More and improved observations such as satellite and radar, research and more sophisticated computer forecast models have led to better forecasts,” weather.com senior meteorologist Jonathan Erdman says.

Numerical Weather Prediction modeling

Numerical Weather Prediction (NWP) modeling is the most widely used and accurate method for weather forecasting.

Global models with worldwide weather forecasts

These models are all generally fairly accurate in predicting large scale patterns/features, but all will become less accurate through time. The ECMWF is generally considered to be the most accurate global model, with the US's GFS slightly behind.

Polar orbiting satellites provide the information most useful for long-term weather forecasting. These satellites use instruments to measure energy, called radiation, emitted by the Earth and atmosphere. This information is incorporated into weather models, which in turn leads to more accurate weather forecasts.

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