Author: sitemill

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

    ☀ HELIOS SOLAR WATCH · 2026-07-12 04:00 UTC
    Geomagnetic activity increasing; G1 storm conditions expected by midday
    SOLAR: MODERATE
    GEO: QUIET

    Active Regions
    4
    X-Ray
    A/B (quiet)

    Solar activity is currently transitioning toward a G1 (Minor) geomagnetic storm. While flare production remains low, Earth’s magnetic field is responding to an incoming solar wind stream.

    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
    3.7
    0–9 scale · ≥5 = geomagnetic storm

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

    The planetary K-index has risen to 3.7 as the magnetosphere experiences unsettled conditions. With the F10.7 flux at 132 sfu and 29 active regions across the disk, solar activity is moderate but stable. Current X-ray levels remain in the background range, indicating no immediate risk of radio blackouts.

    Key Metric

    The predicted Kp=5 threshold is the most critical metric, as it marks the formal beginning of G1 geomagnetic storm conditions.

    Expect geomagnetic conditions to reach G1 (Kp=5) levels by approximately 12:00 UTC today. Conditions are likely to remain unsettled thereafter as the magnetic disturbance continues to pass. Flare probability remains low, with only an 80% chance of minor C-class events.

    🌌 Aurora Outlook

    Aurora visibility may extend to high-latitude regions (e.g., northern Canada and Scandinavia) as conditions reach G1 levels around midday. Observers at mid-latitudes are unlikely to see significant activity, though higher-than-average geomagnetic indices suggest potential for faint displays under optimal dark-sky conditions.

    Region Location Class Flares C/M/X
    AR4488 N23W13 Bxo/B 0/0/0
    AR4485 S10W68 Dac/BG 2/0/0
    AR4487 N09W14 Cao/B 0/0/0
    AR4482 S08W12 Cko/B 0/0/0
    2026-07-12 03:46:36.093Space Weather Message Code: ALTK04
    2026-07-12 02:12:08.397Space Weather Message Code: ALTTP4
    2026-07-12 02:11:33.753Space Weather Message Code: ALTTP2
    2026-07-12 01:34:28.820Space Weather Message Code: WARK04
    2026-07-11 05:01:51.583Space Weather Message Code: ALTEF3

    Monitor the 12:00 UTC shift for sustained Kp=5 readings, which would confirm the onset of geomagnetic instability.