That Tsunami Alert Was Just a Test. Relax, Bushwick.br The message, issued by the National Weather Service as part of a monthly exercise, was passed alongbr as a real warning by AccuWeather, a private weather company headquartered in State College, Pa.br While the word “TEST” appeared in the header of the tsunami warning, associated codebr that is read by AccuWeather’s software indicated that the alert was real, the company said.br The government said it was investigating the erroneous alert, which it said resulted in widespreadbr reports of tsunami warnings across the East Coast, the Gulf of Mexico and the Caribbean.br A tsunami alert buzzed phones across multiple states on Tuesday morning, but it was missing a critical piece of information: This was a test.