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Read. Understand. Apply.
The Warn Room blogs apply 70 years of research to the practice of alerts and warnings. We show how evidence-based changes to message content, style, and structure can create more effective warnings.


TEST... TEST... TEST
During the month of March, states throughout the U.S. recognized severe weather awareness week by conducting tornado drills. These included Virginia, Indiana, Kentucky, Michigan; in at least one state, the statewide tornado drill was cancelled (Missouri) and in other states these drills included local tests of the Wireless Emergency Alert system. We collected a bunch of the test messages and thought we’d go on a bit of a road show to see how they compare. Hop on board and l

Jeannette Sutton
Apr 1


A little TEST message can go a long way...
Required Weekly Test IPAWS users are required to regularly test their user proficiency by sending an alert that is issued to users who have opted in to receive them. This is also a great opportunity to demonstrate the type of test message that could be issued during a live test in a community - one that is announced ahead of time, organized with community members, and publicized by the media. These live tests have the added benefit, if done correctly, of growing system awar

Jeannette Sutton
Feb 5


Aloha, Hawaii - is this a test or a live message or a mistake?
On Friday morning, June 13, Hawaiians were startled by a statewide WEA. It indicated that it was a TEST - in fact it was some sort of...

Jeannette Sutton
Jun 19, 2025


Live WEA Tests - there are rules for a reason
Live WEA tests are used to test the WEA system from end to end. This includes engaging the public who are receiving your messages and,...

Jeannette Sutton
Apr 7, 2025
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