Forecast resolved: Will Solar Wind Speed Sustain Above 600 km/s for 12 Hours?

Observed

Solar wind speed data was monitored to determine whether speeds sustained above 600 kilometres per second for a continuous 12-hour period. The outcome of this measurement window has been confirmed as negative, meaning the threshold was not met.

Forecast

Ahead of the resolution, the Flarient Forecast Exchange placed the probability of this event occurring at 45 percent, reflecting near-even odds and significant uncertainty in the forecast. The forecast has now closed with a confirmed negative result.

Interpretation

Solar wind — the continuous stream of charged particles flowing outward from the Sun — can occasionally surge to high speeds during active periods. A sustained speed above 600 kilometres per second for 12 hours would indicate an elevated period of solar activity, but on this occasion that level of persistence was not observed.

Flarient Analysis

This forecast resolved against the predicted outcome despite a near-even probability estimate of 45 percent, highlighting the inherent difficulty in forecasting sustained solar wind thresholds. The result contributes to Flarient's ongoing calibration of probabilistic space weather models. No significant geomagnetic impacts are associated with this resolved event.