National Emergency Alert System (NEAS)

See the following -

The Supercharged Technology Behind The Nemo Blizzard Emergency Alert

Brian Fung | Nextgov | February 8, 2013

With Winter Storm Nemo bearing down on the Northeast, many Americans are bracing for a blast of snow — but some Thursday got a blast of a different kind instead. Thousands of Verizon users reported getting an emergency alert about the coming blizzard on their cell phones that looked a bit like this... Read More »