Routine Space Environment Product (Daily)
Issued by NWS
Issued by NWS
775 FXXX12 KWNP 040031 DAYDIS :Product: Forecast Discussion :Issued: 2026 May 04 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 low levels. The largest flare was a C3.6 at 03/0708 UTC from Region 4424 (N17W78, Dao/beta). Minor decay was observed in Regions 4428 (S24W51, Dai/beta), 4429 (S04W07, Dai/beta), and 4431 (S16E24, Dso/beta), while the remining regions were stable. No Earth-directed CMEs were detected in available coronagraph imagery. .Forecast... Solar activity is expected to be at low levels with a chance for M-flares (R1-R2/Minor-Moderate) on 04-06 May. 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 was at background levels. .Forecast... The greater than 2 MeV electron flux is expected to be at normal to moderate levels on 04-06 May. The greater than 10 MeV proton flux is expected to remain at background levels through 06 May. Solar Wind .24 hr Summary... Solar wind parameters were consistent with waning negative polarity CH HSS influences. Total field strength reached a peak of 6 nT, and the Bz component briefly reached -6 nT. Solar wind speeds ranged between ~400-450 km/s throughout the period. .Forecast... The solar wind environment is expected to remain weakly enhanced over 04-06 May as negative polarity CH HSS influences slowly diminish. Geospace .24 hr Summary... The geomagnetic field was at quiet to unsettled levels in response to waning negative polarity CH HSS influences. .Forecast... The geomagnetic field is expected to continue at quiet to unsettled levels on 04-06 May as negative polarity CH HSS influences slowly wane.