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In November 2022, ForecastWatch took a look at linear trends in summer temperatures in the United States. Now we’ll take a look at linear trends in winter temperatures across the United States after a rather warm winter in the eastern United States, particularly in the Southeast. We looked at the same 18 cities we analyzed...

Forecasting individual thunderstorm formation is a unique challenge in the meteorological world. Thunderstorms often form seemingly randomly, developing in very hard to predict places, morphing into different forms, and merging or dividing. This is especially true with air mass thunderstorms in hot and humid air masses. Meteorologists can say there’s a given chance of thunderstorms,...

Private forecasting companies have traditionally worked with available numerical weather prediction model data from governments around the world (such as the United States and the European Union) to make weather forecasts for their clients. They have typically used methods such as experience, local knowledge, and customization for clients to try to make their forecasts more...

Weather forecasting is a constantly evolving profession. Historically it has purely been about making a best guess about what will happen with the weather. The primary focus has usually been on just trying to minimize errors in this guessing process. Over time, rapid technological advancements, which have also helped lead to a large increase in...

Here at ForecastWatch, we analyze forecasts for temperatures, among other elements, for accuracy. All these factors (wind, precipitation, humidity, cloud cover, etc.) play a role in how temperatures feel to people. When a weather forecast is generated, the “temperature” indicated is how fast molecules are moving in the air around you. But there is often...

After another anomalous summer across the United States, particularly across the West, we here at ForecastWatch took a look at how summer temperatures have been changing over the years in 18 cities across the United States – at least one from each Census Division  in the 50 U.S. states plus Puerto Rico. The cities we...

The supercomputers in Virginia and Arizona that forecast weather around the world, nicknamed “Dogwood” and “Cactus” respectively, received a huge upgrade in late June – to the tune of three times as fast as the previous computers used. The new computers operate at a speed of 12.1 petaflops each – which means 1.21 x 1016...

Shifting Baseline Syndrome – it sounds like a medical problem, but it’s not. It’s a term coined to describe the psychological and sociological changing of people’s thresholds of what is considered normal – or the “baseline” – in the absence of experience or information regarding what has occurred in the past. An article by Soga...