

Together, they generate an average of 25 billion forecasts per day across the globe, pulling from nearly 100 different forecast models, said Melissa Medori, a spokesperson for The Weather Company, which is owned by IBM and runs both apps. "We're trying to provide something that doesn't change frequently and can be trusted."įor those who prefer an app over a bookmarked web page, the Weather Channel and Weather Underground are popular options. "We don't simply regurgitate what the models forecast we provide the expertise of local meteorologists and take into the account the microclimates," Johnson said. "The screaming message is, you have to be careful of where it's coming from."īuehner said he skips the investigation and goes "straight to the source" by bookmarking his location on, the National Weather Service's forecast page.

"They went all the way back and found out it was among 120 coming from Russia," Buehner said. One person he was teaching ended up tracing the source of the weather app they were using. "I asked three different people in the audience with Verizon, T-Mobile and AT&T to look up the weather forecast in Renton, and they were all different," Buehner said. Two years ago, Buehner was giving a presentation at a boot camp for emergency-management officials when someone asked him about weather apps. "But one problem is that the flake doesn't show whether it'll be one snowflake or a million."Īs with any smartphone app, users should be wary of the source, said radio forecaster and retired weather-service meteorologist Ted Buehner, who noted that it's often unclear where apps are based and how they acquire information. "So, if there is an 80% chance of rain and a 20% chance of snow, they are going to show people the snow so they can't be blamed for not putting it in the realm of possibilities," he said.
