Category: Uncategorized

  • Solar Watch — April 27, 2026 | 18:00 UTC

    Solar Flare Activity — Last 12 Hours
    Peak: M-class @ 06:45 UTC (9h 15min ago)
      M @ 06:45 UTC

    ☀ HELIOS SOLAR WATCH · 2026-04-27 16:00 UTC
    Solar activity remains stable with moderate flare potential from AR4425
    SOLAR: UNSETTLED
    GEO: QUIET

    Active Regions
    6
    X-Ray
    A/B (quiet)

    Geomagnetic conditions are currently quiet, with the planetary K-index remaining at low levels. While overall activity is stable, active region AR4425 continues to show potential for M-class solar flares.

    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: G0

    Planetary Kp-Index
    1.7
    0–9 scale · ≥5 = geomagnetic storm

    F10.7 Solar Flux
    112.0
    sfu · >150 = high activity

    The Earth’s magnetic field is currently undisturbed with a Kp-index of 1.7. Solar activity is characterized by a stable F10.7 flux of 112 sfu, indicating moderate background solar activity. Seven active regions are currently visible on the solar disk, with AR4425 emerging as the primary focus due to recent M-class flare activity.

    Key Metric

    The 50% probability of M-class flares from AR4425 is the most critical metric, as it represents the highest risk for sudden ionospheric disturbances.

    Geomagnetic conditions are expected to remain at quiet levels, with the Kp-index projected to stay below 2.0 throughout the next 24 hours. The probability of further M-class flares remains at 50%, requiring continued monitoring of AR4425.

    🌌 Aurora Outlook

    Aurora visibility is not expected at mid-latitudes. Observers in high-latitude regions should expect standard, background-level aurora activity only.

    Region Location Class Flares C/M/X
    AR4420 N16W29 Fkc/BGD 7/0/0
    AR4421 S12W17 Hax/A 0/0/0
    AR4425 N05E36 Ekc/BGD 4/1/0
    AR4424 N16E06 Dso/B 0/0/0
    AR4423 S05W10 Cso/B 0/0/0
    AR4427 S31E40 Axx/A 0/0/0
    2026-04-27 01:06:25.970Space Weather Message Code: ALTTP2
    2026-04-26 23:33:07.687Space Weather Message Code: WARK04
    2026-04-26 23:17:50.840Space Weather Message Code: SUMXM5
    2026-04-26 23:08:38.813Space Weather Message Code: SUM10R
    2026-04-26 23:00:55.950Space Weather Message Code: ALTXMF

    Monitor AR4425 for any signs of magnetic complexity growth, which would increase the likelihood of stronger X-ray bursts.