While the two-stage siren system is intended to provide clarity, some experts and residents remain concerned about the inherent limitations of relying on sound-based alerts in a modern, complex environment. Heavy rainfall, strong winds, and the sprawling nature of residential areas can significantly dampen the reach of these sirens, potentially leaving households in outlying areas unaware of the danger. If a siren cannot be heard clearly, or if it is mistaken for other common emergency sounds, its effectiveness is severely compromised.
There is also the risk of 'siren fatigue' or confusion if the public is not consistently and thoroughly trained. In a country where various emergency vehicles use sirens frequently, the auditory landscape is crowded. Relying solely on a sound-based system may not be sufficient for a population that is increasingly reliant on digital communication. Critics argue that a more robust, multi-channel approach—incorporating mobile alerts, social media updates, and direct messaging—is necessary to ensure that every resident receives a warning, regardless of their proximity to a physical siren station.
Furthermore, the maintenance of these systems is a recurring challenge. If a siren fails to activate due to technical issues or power disruptions during a storm, the entire evacuation strategy could collapse. Ensuring that these systems are not only installed but also rigorously tested and maintained is a massive logistical undertaking. Without a redundant, fail-safe communication strategy, the reliance on sirens alone may provide a false sense of security that does not account for the realities of extreme weather events.