When emergencies strike, public safety officials use timely and reliable systems to alert you. These are declared by the government agency on any level from nationwide to locally at the city or county level.
Wireless Emergency Alerts (WEAs)
Wireless Emergency Alerts (WEAs) are short emergency messages from authorized federal, state, local, tribal and territorial public alerting authorities that can be broadcast from cell towers to any WEA‐enabled mobile device in a locally targeted area. WEAs can be sent by state and local public safety officials, the National Weather Service, the National Center for Missing and Exploited Children and the President of the United States.
WEAs are loud, deafaning tones to make you aware of a necessary alert in order to catch your attention. WEAs look like text messages but are designed to get your attention with a unique sound and vibration repeated twice. WEAs are no more than 360 characters and include the type and time of the alert, any action you should take and the agency issuing the alert.WEAs are not affected by network congestion and will not disrupt texts, calls or data sessions that are in progress.You are not charged for receiving WEAs and there is no need to subscribe.
Emergency Alert System (EAS)
Tje Emergency Alert System (EAS) has been around for some time. It is sent through broadcasters, satellite digital audio services, direct broadcast satellite providers, cable television systems and wireless cable systems.
The Emergency Alert System (EAS) is a national public warning system that allows the president to address the nation within 10 minutes during a national emergency. State and local authorities may also use the system to deliver important emergency information such as weather information, imminent threats, AMBER alerts and local incident information targeted to specific areas.
The President has sole responsibility for determining when the national-level EAS will be activated. FEMA and the FCC are responsible for national-level tests and exercises. The EAS is also used when all other means of alerting public are unavailable.
NOAA Weather Radio (NWR)

NOAA Weather Radio All Hazards (NWR) is a nationwide network of radio stations that broadcast continuous weather information from the nearest National Service based on physical location.
NOAA Weather Radios can be purchased in most commercvial stores or online. This model was around $30. It can have toans that alert you and are deafaning, hence the need to alert you of what is going on,, however there are various settings that can be set both in the alert type and location.
NWR broadcasts official warnings, watches, forecasts and other hazard information 24 hours a day, seven days a week. NWR also broadcasts alerts of non-weather emergencies such as national security or safety threats through Emergency Alert System.
FEMA Mobile App
The FEMA App allows you to receive real-time weather and emergency alerts, send notifications to loved ones, locate emergency shelters in your area, get preparedness strategies and more. You can Receive real-time weather and emergency alerts from the National Weather Service for up to five locations nationwide.Informtation will be find information to find a nearby shelter if you need to evacuate to a safe space. You can Find out if your location is eligible for FEMA assistance, find Disaster Recovery Center locations, and get answers to your most pressing questions.