Lightning Tracker Grid

Visualizes Cloud-to-Ground (CG) vs Intra-Cloud (IC) lightning discharges dynamically with real-time decay and proximity siren alerts. ### Mechanics - Automatic Centroid Auto-Zoom: Flies the map directly to active lightning clusters upon loading. - Strike Log Click-to-Zoom: Selecting any strike in the live sidebar list smoothly centers the map onto its exact coordinates. - 15-Mile Proximity Alerts: Triggers visual siren banner for close-range CG strikes.