Here is the current forecast discussion on space weather and geophysical activity, issued 2021 Sep 01 1230 UTC.
Solar Activity
24 hr Summary: Solar activity was low. Region 2860 (S27W58, Dai/beta) produced the lone C-class flare of the period, a C1/Sf flare at 01/0854 UTC. Region 2859 (N18W67, Axx/alpha) was stable and inactive. No new Earth-directed CMEs were observed.
Forecast: Solar activity is expected to reach very low levels, with a chance for low levels, and a slight chance for R1-R2 (Minor-Moderate) radio blackouts on 01-03 Sep.
Energetic Particles
24 hr Summary: The greater than 2 MeV electron flux reached high levels. The greater than 10 MeV proton flux was at background levels.
Forecast: The greater than 2 MeV electron flux is expected to fluctuate between moderate and high levels through 03 Sep. The greater than 10 MeV proton flux is expected to persist at background levels.
Solar Wind
24 hr Summary: Solar wind parameters reflected background conditions.
Forecast: Solar wind parameters are expected to once again become enhanced on 01-02 Sep due to the anticipated arrival of the 28 Aug CME combined with a CME from a filament that disappeared from near central meridian midday on 28 Aug. Elevated solar wind conditions are forecast for 03 Sep due to waning CME activity combined with a recurrent positive polarity coronal hole.
Geospace
24 hr Summary: The geomagnetic field was quiet.
Forecast: G1 (Minor) geomagnetic storm levels are likely on 01 Sep due to the anticipated arrival of the 28 Aug CME. G2 (Moderate) storm levels are forecast for 02 Sep due to the anticipated arrival of the 28 Aug CME combined with a CME from a filament that disappeared from near center meridian midday on 28 Aug. Active conditions are forecast for 03 Sep due to waning CME activity combined with a recurrent positive polarity coronal hole.
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Live data: SunSpotWatch.com
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