Quick Answer
Mesh network connections may drop during storms due to interference from electromagnetic induction, damage to external antennas, and high winds that dislodge or topple APs.
Electromagnetic Interference (EMI)
During a storm, lightning can cause electromagnetic pulses (EMPs) that radiate energy across the frequency spectrum, including the 2.4 GHz and 5 GHz bands used by most mesh networks. These EMPs can induce electrical currents in the AP’s antennas, causing signal degradation or complete loss. To mitigate this, consider using APs with built-in EMI filters or installing a Faraday cage around the mesh nodes to block external radiation.
Physical Damage and Wind Disruption
High winds and heavy rainfall can cause physical damage to the mesh APs and antennas, leading to dropped connections. To minimize this risk, use weather-resistant enclosures and secure the APs to prevent them from toppling over. Additionally, consider installing surge protectors and lightning arrestors to safeguard against power surges. If possible, choose APs with reinforced or reinforced antennas to withstand harsh weather conditions.
Network Redundancy and Failover
Another approach to minimize dropped connections is to implement network redundancy and failover strategies. This involves setting up multiple APs as backup nodes, which can take over in case a primary node fails. By configuring the mesh network to automatically switch to the backup node, you can ensure continuous connectivity even during a storm. This requires careful planning, including configuring the mesh network with adequate redundancy, using failover protocols, and monitoring the network’s performance in real-time.
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