Sky 56/100 Live Field: Active (K5–K6) · Kp 5.0 · Dst -35 nT · 7.83 Hz · 🌿 You're safe & not alone
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✦ HISTORICAL STORM DOSSIER · Dst TELEMETRY & THREE-ACT ODYSSEY

October 2024 G4 Severe Geomagnetic Storm

Solar Cycle 25 · October 2024 · Peak Dst minimum -303 nT · Maximum Kp 8.7 · Disturbance Peak 2024-10-10

Kp 8.7 · G4 Severe Dst Min -303 nT X1.8 Flare (AR 3848) Speed ~1,500 km/s Transit 32h
✦ Ring Current Telemetry Evolution

Daily Minimum Dst Ring-Current Evolution Curve (Kyoto WDC, nT)

NOAA SWPC · KYOTO WDC
0-50-100-200-300 Dst Min -303 nT (10-10) 10-0810-0910-1010-1210-1310-1410-15

Note: More negative Dst values indicate stronger equatorial ring-current intensification. Missing hours remain uninterpolated.

✦ Act I · Solar Flare & Coronal Mass Ejection

① Solar Eruption Dynamics

On October 8, Earth-facing AR 3848 erupted with an X1.8 flare and fast halo CME. The shock arrived October 10, driving Kp to 8.7 and plunging equatorial Dst to −303 nT.

✦ Act II · Magnetospheric Compression & Infrastructure

② Infrastructure Telemetry

Grid operators in Scandinavia and Canada mitigated geomagnetically induced currents, while polar HF aviation bands experienced multi-hour daylight absorption.

✦ Act III · Terrestrial Bio-Rhythm Resonance

③ Biological Resonance

Cohort tracking showed lower baseline HRV individuals felt heightened restlessness, whereas those practicing slow 4-2-6 breathing buffered autonomic stress effectively.

← May 2024 G5 Mother's Day Solar Superstorm Archive Index ↑ May–June 2025 Solar Active Period & Storm →
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Grade A · Meta-AnalysisPopulation cardiovascular correlation (RR 1.3–1.5), never individual causation
Grade B · CohortSubtle blood pressure & autonomic HRV shifts on storm days
Grade C · HypothesisMelatonin modulation hypothesis; zero individual headache proof