The latest Joint USAF/NOAA Solar Geophysical Activity Report indicates low solar activity with five sunspot regions currently visible, though a chance for M-class solar flares exists over the next three days. Probabilities for M-class flares are 35% for July 26 and 27, and 30% for July 28. X-class and proton events have a low 5% probability each day.
Geomagnetic conditions have been quiet for the past 24 hours, with solar wind speed peaking at 548 km/s. However, the geomagnetic field is predicted to become unsettled to active on July 27, and quiet to active on July 28. Middle latitudes have a 40% chance of active conditions and a 20% chance of a minor storm on July 27.
High latitudes face higher probabilities, with a 30% chance of a minor storm on July 27 and 28, and a 55% chance of a major-severe storm on July 27. Electron levels at geosynchronous orbit reached a peak of 1,064 pfu. The Penticton 10.7 cm Flux is observed at 145, with similar predictions for the coming days.