Under a new federal law, National Weather Service warnings of life-threatening flash floods or other emergencies could be sent to cellphones via satellite if cell service goes down. This innovative approach aims to enhance public safety in areas prone to natural disasters, particularly in regions where cell service reliability is a concern.
The law, known as the “Mystic Alerts Act,” was enacted following the tragic flash flooding in July 2025, which claimed over 100 lives in the Texas Hill Country, including 27 campers and counselors at Camp Mystic. This devastating event highlighted the urgent need for an improved emergency alert system capable of reaching those in danger, regardless of cellular connectivity.
“By bringing satellite technology into our emergency alert system, we’re making sure warnings reach people when they need them most,” said U.S. Rep. August Pfluger, a Texas Republican who sponsored the legislation. His district is located just north of Camp Mystic, making this issue particularly personal for him.
During the July disaster, the National Weather Service issued multiple flash flood alerts designed to trigger automatic warnings from local cell towers. However, the effectiveness of these alerts was undermined by the region’s notoriously spotty cell service. Some individuals also opted to disable automatic alerts on their devices, further complicating communication during the emergency.
In response to the flooding, Texas legislators mandated that flood-prone counties install outdoor warning sirens, an initiative that is still in progress. While sirens can be beneficial, emergency response experts caution that they are not a comprehensive solution. There are concerns that people indoors during a storm may not hear the sirens, and without proper education on how to respond, the effectiveness of such warnings may be diminished.
The new federal law mandates that the Federal Communications Commission (FCC) establish policies for integrating satellite technology into the existing emergency alert system. This means that cell carriers will need to inform the FCC about their plans to utilize satellite technology to ensure alerts can still be received in the event of a cell tower failure. Carriers that choose not to use satellite technology must communicate this decision to their subscribers.
The FCC has a timeline of a year and a half to finalize the rules regarding the implementation of satellite technology in emergency alerts. Once established, these regulations will not take effect for at least three years, allowing ample time for preparation and integration into existing systems.
Texas Republican Senator John Cornyn emphasized the importance of this legislation, stating, “This law will address this technology shortfall and honor the memory of those lost by ensuring Texans and all Americans can receive wireless emergency alerts on their mobile devices via satellite even when disaster strikes.”
The Mystic Alerts Act was signed into law by President Donald Trump, marking a significant step forward in the realm of public safety and emergency preparedness. With the integration of satellite technology, there is hope that future disasters will be met with a more robust and reliable warning system, ultimately saving lives and mitigating the impact of such emergencies.
This article first appeared on The Texas Tribune.
