NASA's 4-Satellite PUNCH Predicts Solar Storms Within 30 Minutes

3 articles · Updated · Engadget · Aug 5

Initial PUNCH tests forecast a solar storm's arrival at Earth within 30 minutes, sharply improving on current methods that can miss by about five hours.
Using imagery from a May 31, 2025 coronal mass ejection, scientists fed the first 12 hours of data into a model that calculated the storm would reach Earth eight hours later.
Four microsatellites launched in March 2025 track coronal mass ejections continuously, capturing images every four minutes and following far more of each eruption's path than earlier instruments.
More accurate timing could help limit damage from geomagnetic storms that disrupt radio, power grids, satellites and internet links, while researchers say refined models may extend warning times further.

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Engadget4d ago

NASA PUNCH Mission Achieves Accurate Solar Storm Prediction

finance.biggo.com4d ago

NASA Cuts Solar Storm Arrival Prediction Error to Under 30 Minutes, Calling It a 'Space Weather Forecasting Revolution' — BigGo Finance

The Universe. Space. Tech4d ago

NASA's PUNCH mission improves solar storm forecasting during its first test

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NASA can now pinpoint exactly when a solar storm will hit Earth, but without knowing its severity, are our power grids actually safer?

Since NASA discovered solar eruptions are surprisingly complex and clumpy, what hidden dangers might these unpredictable structures pose to global internet infrastructure?

From 5-Hour to 30-Minute Precision: How PUNCH Revolutionizes Solar Storm Forecasting and Global Infrastructure Defense

Overview

NASA's PUNCH mission, launched in 2025, uses a constellation of satellites positioned along Earth's day-night line to provide a continuous, 24/7 view of the Sun. By using polarizing filters, PUNCH creates detailed 3D maps of solar storms, allowing scientists to track coronal mass ejections (CMEs) all the way to Earth. This breakthrough enabled a computer model to predict a CME's arrival with just a 30-minute margin of error, giving power grid operators, satellite managers, and airlines an unprecedented eight-hour warning window to protect infrastructure. PUNCH also bridges the gap between solar and space physics, offers open data for independent researchers, and inspires new global efforts in space weather monitoring.

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