City of Plattsmouth Alert City of Plattsmouth - Proposed Emergency Alert SystemPlease enter your First & Last Name, your Mobile Number & check the box below to participate in this test. Thanks!(Testing Phase only - Not Official - Weekly Test ea Friday at Noon)Name: Mobile Number: You are consenting to receive up to 5/mo, standard text message and data rates may apply. Reply HELP for help, or STOP to cancel. Thanks for Testing!