United States===National Weather Service

The United States===National Weather Service issued numerous advisories and warnings across the eastern U.S., accurately forecasting severe cold, heavy snow, and blizzard conditions, helping residents prepare for the storms.

The United States===National Weather Service accurately forecasted the 'bomb cyclone/nor'easter' and warned of its severity, including strong winds and heavy snow, and is tracking another potential storm. Their warnings helped prepare the public and emergency services.

The United States===National Weather Service provided critical warnings and data regarding the nor'easter, helping to inform the public and other entities about the storm's intensity and potential dangers. Their meteorologists, including Owen Shieh, were key sources of information.

The United States===National Weather Service in Norman, United States===Oklahoma, is investigating whether Thursday night's storms were confirmed tornadoes and has issued warnings for severe thunderstorms across multiple states.

The United States===National Weather Service, through its Weather Prediction Center, is issuing warnings and forecasts regarding the extreme weather, including record heat in United States===Phoenix, Arizona.