Frequently Asked Questions
Can a solar storm really take down the power grid?
It's possible but rare. Most geomagnetic storms cause minor, temporary effects. The real risk is a Carrington-class event - the kind that hits roughly once every 500 years - which could damage grid transformers and cause outages lasting weeks. The May 2024 Gannon Storm was a strong G5 and the grid held, but it still caused about $565 million in GPS-related agricultural losses. The lesson isn't panic; it's that a two-week buffer is smart, affordable insurance.
Is a solar storm the same as an EMP?
Not quite. An EMP from a high-altitude nuclear detonation produces three pulses (E1, E2, E3). A solar storm only produces the slow E3-like effect, which threatens the power grid but not your handheld electronics. That's why a solar storm won't fry your car or phone the way movies suggest - but the grid damage can still disrupt daily life.
Will my car still run during a solar storm?
Almost certainly, yes. A solar storm is not the movie version of an EMP. Keep your tank above half anyway, because fuel pumps need grid power to work.
What's the single most useful thing to buy first?
Water storage comes first because it's cheapest and most critical. If you mean gear, a portable power station (1,000-2,000Wh) plus a solar panel is the most useful single purchase for grid-down resilience.
Do I need a Faraday cage?
For most people it's cheap insurance, not a necessity. If you want one, a Faraday bag kit protects spare electronics in five minutes - store backups (a radio, a power bank, a drive of documents), not your everyday devices.
How do I know when a storm is coming?
NOAA's Space Weather Prediction Center (spaceweather.gov) issues watches and warnings, often with 1-3 days of lead time for the slow-moving CMEs. Our homepage also shows live space-weather conditions pulled straight from NOAA.