Routine Space Environment Product (Daily)
Issued by NWS
Issued by NWS
563 FXXX12 KWNP 150031 DAYDIS :Product: Forecast Discussion :Issued: 2026 Jul 15 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 was at very low to low levels. The largest flare was a C3.9 at 14/1239 UTC from a Region just beyond the SE limb near S10. Several CMEs could also be seen originating from this Region. Slight decay was observed in Region 4482 (S09W57, Hhx/alpha) while Region 4489 (S07E53, Hsx/alpha) was stable. No Earth-directed CMEs were observed. .Forecast... Solar activity is likely to reach low levels with a slight chance for M-class flares (R1-R2, Minor-Moderate) due primarily to active regions rotating onto the eastern limb over the next few days. Energetic Particle .24 hr Summary... The greater than 2 MeV electron flux was at normal to moderate levels. The greater than 10 MeV proton flux remained at background levels. .Forecast... The greater than 2 MeV electron flux is expected to be at normal to moderate levels on 15-17 Jul. The greater than 10 MeV proton flux is expected to continue at background levels on 15-17 Jul. Solar Wind .24 hr Summary... Solar wind parameters became slightly enhanced with total field measurements increasing after 14/1440 UTC reaching a maximum of 14 nT. The Bz component ranged from +12/-5 nT. Solar wind speed was between 338-454 km/s. Phi angle was mostly negative until 14/1756 UTC when it switched into a positive sector. .Forecast... Weakly enhanced conditions are expected to continue through 15 Jul due to possible weak CME effects combined with positive polarity CH HSS onset. HSS conditions are expected to slowly diminish over 16-17 Jul. Geospace .24 hr Summary... The geomagnetic field was quiet. .Forecast... Quiet to active levels are expected on 15 Jul due to combination of weak CME activity combined with HSS onset. Quiet to unsettled levels are expected for 16-17 Jul.