PUNCH Mission Pinpoints Solar Storm Arrivals to 30-Minute Margin
TL;DR Summary
NASA's Polarimeter to Unify the Corona and Heliosphere (PUNCH) constellation has demonstrated the ability to forecast Earth-arriving solar storms within about 30 minutes by analyzing a May 31, 2025 CME event with a model that uses CME edges, speed, and shape; PUNCH images CMEs every four minutes, tracking them from the Sun to Earth and markedly improving on the previous ~5-hour error. This initial proof of concept suggests further improvements could extend lead times, helping mitigate impacts on satellites, power grids, and communications.
- NASA's PUNCH Mission Can Now Accurately Predict When Solar Storms Will Hit Earth Engadget
- NASA’s PUNCH Sharpens Solar Storm Forecasting in First Test NASA Science (.gov)
- PUNCH Shrinks Solar Storm Arrival Window Tenfold, Giving Grid Operators 8 Hours to Act Tech Times
- NASA's PUNCH Mission Predicts Solar Storms Within 30 Minutes chosun.com
- ‘Like going from steam to combustion engine’: NASA’s PUNCH mission stuns scientists with solar storm prediction starlust.org
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