Author: sitemill

  • Solar Watch — July 03, 2026 | 06:00 UTC

    Solar Flare Activity — Last 12 Hours
    Peak: M-class @ 23:12 UTC (4h 48min ago)
      M @ 23:12 UTC

    ☀ HELIOS SOLAR WATCH · 2026-07-03 04:00 UTC
    Geomagnetic storm expected as solar activity increases
    SOLAR: UNSETTLED
    GEO: QUIET

    Active Regions
    3
    X-Ray
    A/B (quiet)

    Solar activity is shifting from quiet to active levels with a G2-class geomagnetic storm projected for the coming 12 hours. While current conditions remain calm, geomagnetic indices are forecasted to rise significantly by midday UTC.

    HMI Continuum Intensity

    HMI Continuum · Visible Light

    SUVI 304 — Extreme UV

    SUVI 304Å · Extreme Ultraviolet

    R0
    Radio Blackouts
    24h max: R0

    S0
    Solar Radiation
    24h max: S0

    G0
    Geomagnetic Storm
    24h max: G2

    Planetary Kp-Index
    1.0
    0–9 scale · ≥5 = geomagnetic storm

    F10.7 Solar Flux
    132.0
    sfu · >150 = high activity

    The planetary K-index is currently at 1.0, reflecting a quiet geomagnetic environment. However, three active solar regions remain magnetically complex, having produced multiple M-class flares within the last 24 hours. The solar radio flux is elevated at 132 sfu, indicating a robust solar cycle phase.

    Key Metric

    The forecasted Kp-index of 5.67 is the critical metric, as it indicates the transition into a G2 moderate geomagnetic storm capable of influencing power grid fluctuations and satellite drag.

    Geomagnetic conditions are expected to escalate rapidly, reaching G1 status by 06:00 UTC and peaking at G2 levels between 09:00 and 12:00 UTC. Expect a transition to active to storm levels throughout the remainder of the observation period.

    🌌 Aurora Outlook

    Aurora visibility for mid-latitudes (40-60°N) is likely to improve significantly during the peak window. Observers in northern latitudes should prepare for potential displays as the Kp index climbs toward 5.67.

    Region Location Class Flares C/M/X
    AR4478 S05W33 Fki/BGD 0/0/0
    AR4480 S16W56 Esi/BG 1/1/0
    AR4479 N17W52 Eki/BGD 3/2/0
    2026-07-02 09:35:50.760Space Weather Message Code: WATA30
    2026-07-01 23:20:07.560Space Weather Message Code: SUMXM5
    2026-07-01 23:08:41.673Space Weather Message Code: ALTXMF
    2026-07-01 12:40:57.270Space Weather Message Code: WATA30
    2026-07-01 05:54:08.210Space Weather Message Code: WARK05

    Monitor the actual Kp-index readings starting at 06:00 UTC to confirm the arrival and magnitude of the projected geomagnetic disturbance.