A test alert from the National Weather Service was accidentally shared publicly
It issued a tsunami warning for parts of the Northwest
The service quickly noted the post was a mistake
(CNN) -- Some mobile and Web users got a disconcerting warning on Wednesday when digital alerts incorrectly showed a tsunami may be headed toward the coast.
A National Weather Service message, that was meant as a test, instead appeared on the service's website and was pushed to mobile apps that rely on it
