The world of private sector weather services appears to be consolidating as corporate giant the Weather Channel announced plans to acquire the San Francisco-based Weather Underground.

From the Weather Channel’s press release:

“Everyone in the weather space is familiar with the strength of Weather Underground and its innovative method of presenting weather data. Weather Underground will add a great complementary, brand to our portfolio, a brand with a distinct, loyal, and active user base that will enable us to reach a unique segment of users,” said [David] Kenny [CEO of The Weather Channel Companies].

Weather Underground is perhaps best known for its data rich website and weather blog penned by Jeff Masters.

Masters wrote on his blog that the website and his blog will continue in operation - but certain content shared and syndicated on

The plan is to make both and stronger, by sharing content and infrastructure. Many Weather Underground features, such as our Personal Weather Station data, WunderMap, and my blog, are scheduled to also appear on the web site in the coming months. My blog’s main home will continue to be, and I have been asked to continue to write the same variety of science-based posts on hurricanes, extreme weather, and climate change that I’ve provided since 2005.

While Weather Underground’s unique offerings aren’t going away, the action represents a major consolidation of this sector. What had been the big three private sector weather information companies - Weather Underground, the Weather Channel and AccuWeather - will now be the big two. We’ll have more to say on this later...