City of Grand Ledge issued the following announcement on Aug 6.
Please be aware of a National test of the Wireless Emergency Alert & the Emergency Alert System on August 11 at 2:20 PM ET!
Mark the calendar! We'll conduct a national test of Wireless Emergency Alert & the Emergency Alert System on August 11 at 2:20 PM ET.
Remember, the WEA test message will only be displayed cell phones if you have opted-in to receive test messages.
Learn more: fema.gov/event/ipaws-national-test
Original source can be found here.
Source: City of Grand Ledge