Routine Space Environment Product (Daily)
Issued by NWS
Issued by NWS
361 FXXX12 KWNP 071231 DAYDIS :Product: Forecast Discussion :Issued: 2025 Jun 07 1230 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 remained at low levels. Region 4105 (S15E28, Eai/beta-gamma) produced the strongest event of the period, a C4.6 flare at 06/1702 UTC. Newly numbered regions 4108 (S22W10, Bxo/beta) and 4109 (S16E48, beta) remained relatively simple as they slowly developed. No Earth-directed CMEs were observed in available coronagraph imagery. .Forecast... Solar activity is expected to be low with a chance for M-class flares (R1-R2/Minor-Moderate) on 07-09 Jun. Energetic Particle .24 hr Summary... The greater than 2 MeV electron flux reached high levels with a peak flux of 5,178 pfu observed at 06/1615 UTC. The greater than 10 MeV proton flux was near background levels. .Forecast... The greater than 2 MeV electron flux is expected to continue at moderate to high levels over 07-09 Jun. The greater than 10 MeV proton flux is expected to continue at or near background levels. Solar Wind .24 hr Summary... Solar wind parameters reflected the onset of a modest transient after 07/0015 UTC. Total magnetic field strength increased to a peak of 11 nT and the Bz component rotated as far south as -10 nT. Solar wind speeds ranged from ~380-425 km/s as the feature moved past Earth. .Forecast... Modest enhancements from a slow, glancing-blow CME that left the Sun on 03 Jun are likely to continue over 07 Jun. Subsequent enhancements are likely on 08-09 Jun from a high speed stream of negative polarity, southern hemisphere coronal hole. Geospace .24 hr Summary... The geomagnetic field was at quiet levels active levels. .Forecast... The geomagnetic field is expected to continue at active levels, with isolated periods of G1 (Minor) storm levels likely, on 07 Jun. Over 08-09 Jun, unsettled to active levels are expected.