Wireless Emergency Alert System (WEA)

Commercial Mobile Alert Service


The Warning, Alert and Response Network (WARN) Act of 2006 authorized DHS to develop a Commercial Mobile Alert Service. As a result of the WARN Act, the National Weather Service is scheduled to start making their most critical alerts available to the Wireless Emergency Alert System (WEA) beginning June 18, 2012.

Please read the Nevada County OES press release on WEA dated June 15, 2012 (PDF).

Frequently Asked Questions Documents

  1. WEA - All Frequently Asked Questions (PDF)
  2. WEA - Messages (PDF)
  3. WEA - Phones (PDF)
  4. WEA - Types of Alerts (PDF)
  5. WEA Program Explanation (PDF)