Geomagnetic storm expected to produce visible auroras Monday night
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Boulder, Colorado, the National Oceanic and Atmospheric Administration's Space Weather Prediction Center issued a G4 geomagnetic storm watch Monday after a fast-moving coronal mass ejection and an X1.9-class solar flare. Forecasts predicted auroral displays across the northern United States and farther south between 6 PM and 2 AM, with cameras detecting faint activity at lower latitudes. Agencies warned of potential satellite and GPS disruptions, radio interference, aviation and power system impacts, and elevated radiation exposure on polar flights and in low Earth orbit. Officials noted this is the strongest storm since October 2003. Based on 7 articles reviewed and research.
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Timeline
- 1. October 2003: Comparable severe solar storms caused global infrastructure impacts.
- 2. Sunday: The sun emitted an X1.9-class solar flare and launched a CME toward Earth.
- 3. Monday morning: NOAA SWPC issued G4 geomagnetic and S4 radiation alerts.
- 4. Monday evening: Models predicted auroral peak between 6 PM and 2 AM local time.
- 5. Agencies and media published warnings about satellite, GPS, radio, aviation and power-grid effects.
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