Author: sitemill

  • Solar Watch — June 12, 2026 | 06:00 UTC

    ☀ HELIOS SOLAR WATCH · 2026-06-12 04:00 UTC
    Geomagnetic conditions settling following minor disturbance
    SOLAR: MODERATE
    GEO: QUIET

    Active Regions
    5
    X-Ray
    A/B (quiet)

    Geomagnetic activity is subsiding toward quiet levels after a brief period of unsettled conditions. Solar activity remains moderate with high background flux, but flare production is currently confined to the low C-class range.

    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: G1

    Planetary Kp-Index
    3.3
    0–9 scale · ≥5 = geomagnetic storm

    F10.7 Solar Flux
    164.0
    sfu · >150 = high activity

    The planetary K-index has decreased to 3.3, reflecting the waning influence of a previous disturbance. Solar radio flux remains elevated at 164 sfu, indicating a robust solar cycle phase, although X-ray output remains subdued. With five active regions present, the solar disk maintains moderate complexity, particularly in AR4465, which is capable of producing further C-class flaring.

    Key Metric

    The F10.7 index of 164 sfu is the most significant metric, as it indicates a high level of solar ionizing radiation that impacts ionospheric density and satellite drag.

    Geomagnetic conditions are expected to return to quiet levels within the next 6 to 12 hours as the solar wind environment stabilizes. Expect low-level solar activity to persist, with a 40% probability of M-class flares should the magnetic complexity of current regions increase.

    🌌 Aurora Outlook

    Aurora visibility is not expected at mid-latitudes. Activity is confined to high-latitude regions, and even there, display intensity will likely be limited due to the receding Kp index.

    Region Location Class Flares C/M/X
    AR4466 N06W47 Cro/B 0/0/0
    AR4462 N15W50 Dro/B 0/0/0
    AR4463 N17W15 Hsx/A 0/0/0
    AR4464 S12W16 Dsi/B 0/0/0
    AR4465 N09E30 Dhi/BG 5/0/0
    2026-06-11 20:40:33.250Space Weather Message Code: ALTK05
    2026-06-11 20:29:33.070Space Weather Message Code: WATA30
    2026-06-11 20:15:04.513Space Weather Message Code: WARK05
    2026-06-11 18:57:19.477Space Weather Message Code: ALTK04
    2026-06-11 18:49:58.040Space Weather Message Code: WARK04

    Monitor the magnetic evolution of AR4465 as it rotates across the solar disk; any rapid increase in its magnetic complexity could lead to an unexpected M-class flare.