Routine Space Environment Product (Daily)
Issued by NWS
Issued by NWS
510 FXXX12 KWNP 240031 DAYDIS :Product: Forecast Discussion :Issued: 2026 Oct 24 0030 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Product description and SWPC contact on the Web # http://www.swpc.noaa.gov/wwire.html # # Forecast Discussion # Solar Activity .24 hr Summary... Solar activity continued at low levels. The largest flare was a C3.3/Sf at 23/0542 UTC from Region 4560 (N13W58, Eai/beta-gamma). Decay was observed in the intermediate spots of AR4560 over the past 24 hours. The other active region on the visible solar disk, Region 4557 (N07W75, Cao/beta), was responsible for a few low-level C-class flares. No new Earth-directed CMEs were observed in available coronagraph imagery. .Forecast... Solar activity is expected to remain at low levels through 26 Oct, with a slight chance for isolated M-class flares (R1-R2, Minor-Moderate), mostly due to the flare potential of Region 4560. Energetic Particle .24 hr Summary... The greater than 2 MeV electron flux reached high levels. The greater than 10 MeV proton flux remained steady at background levels. .Forecast... The greater than 2 MeV electron flux is expected to continue reaching high levels on 24-26 Oct. The greater than 10 MeV proton flux is anticipated to persist at background levels through 26 Oct. Solar Wind .24 hr Summary... Solar wind parameters reflected continued positive polarity CH HSS influences. Total magnetic field strength (Bt) was at or below 6 nT and the Bz component was briefly observed as far south as -6 nT. Solar wind speeds maintained between ~400-450 km/s. Phi angle was predominantly in the positive solar sector (away from the Sun). .Forecast... Solar wind conditions are expected to continue at similar levels over 24 Oct. Enhanced solar wind conditions are likely on 25-26 Oct due to combined influences of a negative polarity CH HSS and possible glancing CME effects from the 21 Oct eruptions. Geospace .24 hr Summary... Geomagnetic activity reached active levels. .Forecast... Active conditions are expected on 24 Oct as CH HSS influences wane. Additional periods of active conditions, with a chance for G1 (Minor) storming, are anticipated on 25-26 Oct due to combined effects from a recently emerged negative polarity coronal hole and potential glancing CME impacts.