The Met Office has issued an unusually direct warning: the El Niño event currently developing over the Pacific is likely to be the strongest in living memory, according to BBC Weather. For the UK, that translates into a heightened risk of a wet, stormy autumn and early winter, the kind of conditions that make signalling resilience worth reviewing. If you’re an alarm installer or ARC manager, now is a sensible time to ask: how confident are you that your installed systems will keep signalling through severe conditions?
What the Met Office Warning Actually Means for Alarm Signalling
Let’s be clear about what this is, and what it isn’t. The BBC Weather report, drawing on Met Office forecasts, highlights a natural climate phenomenon that periodically shifts weather patterns. For the UK specifically, the concern is an increased probability of a wetter, stormier autumn period. It doesn’t mean every alarm system will fail. But it does mean conditions that can disrupt power supplies and communications infrastructure become more likely.
Prof Adam Scaife, head of long-range forecasting at the UK Met Office, put it plainly: “I have never seen an El Niño signal this intense in our forecasts.” That’s a measured statement from a credible source, not scaremongering. And it’s exactly the kind of signal that responsible alarm installers should factor into their planning.
The practical implication? Storm-related disruptions, intermittent broadband, local power cuts, physical damage to external infrastructure, can break the communication path between a premises and its Alarm Receiving Centre (ARC). That makes resilience in the communications path particularly important.
Why the Signalling Path Matters During Disruption
The alarm panel itself is only one part of the system. The signalling path between the premises and the ARC also needs to remain available when conditions deteriorate. A system that relies on a single communication channel, whether that’s a broadband IP connection or a mobile network, has a single point of failure.
Diversified signalling paths address this directly. Dual-path signalling reduces reliance on a single communications route by providing an alternative path if one becomes unavailable. For sites where continuity of monitoring matters, that provides an important additional layer of resilience.
For installers reviewing their installed base, the PSTN and ISDN switch-off is another reason to revisit signalling configurations. Many sites still using legacy communication methods will need upgrading regardless of weather considerations, and that upgrade is an opportunity to build in proper redundancy at the same time.
What Proactive Preparation Actually Looks Like
Ahead of a predicted period of severe weather, there are some straightforward steps worth taking:
- Audit your highest-risk sites first. Sites with older signalling hardware, single-path connectivity, or known infrastructure weaknesses in their area should be prioritised. Don’t wait for a fault report to find the weak links.
- Check backup power provisions. Power disruption during severe weather is another factor worth planning for. Confirm that battery backups are in good condition and that runtime is adequate for the site’s risk profile.
- Review signalling path diversity. If a site is running on a single channel, consider whether that’s an acceptable risk given the forecast conditions. A dual-path solution, IP primary, 4G fallback, provides a meaningful safety net.
- Document and communicate. If you’re an installer working with ARC partners, make sure they’re aware of any sites you’ve flagged as potentially vulnerable. That shared awareness matters when monitoring queues are heavy during a major weather event.
AddSecure’s alarm signalling portfolio is built around exactly this kind of resilience, ensuring that signals reach the ARC reliably, even when the conditions outside are working against you.
Use the Weather Warning as a Reason to Review
Severe weather is also a useful reason for installers to start a conversation with customers about signalling resilience. Reviewing older installations, backup power and signalling paths can identify vulnerabilities before they become operational problems.
With the PSTN transition already prompting upgrades across the installed base, this is a natural opportunity to consider resilience at the same time.
Review your signalling setup before the autumn weather arrives, speak to the AddSecure team about resilient, dual-path alarm signalling solutions built for UK installers and ARCs.