Author: sitemill

  • Solar Watch — April 25, 2026 | 18:00 UTC

    Solar Flare Activity — Last 12 Hours
    Peak: M-class @ 07:59 UTC (8h 1min ago)
      M @ 07:59 UTC  ·  M @ 14:30 UTC

    ☀ HELIOS SOLAR WATCH · 2026-04-25 16:00 UTC
    Geomagnetic activity increasing; G1 storm potential through April 26
    SOLAR: UNSETTLED
    GEO: QUIET

    Active Regions
    8
    X-Ray
    A/B (quiet)

    Solar activity is shifting toward active conditions as geomagnetic disturbances are forecast to reach G1 (minor) levels. Two active regions are currently producing M-class flares, indicating a productive solar disk.

    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
    1.3
    0–9 scale · ≥5 = geomagnetic storm

    F10.7 Solar Flux
    108.0
    sfu · >150 = high activity

    The current geomagnetic field remains relatively quiet with a Kp of 1.3, though recent activity shows signs of acceleration. Solar activity is punctuated by two M-class flares reported within the last twelve hours from AR4425 and AR4423. With nine active regions currently monitored and an F10.7 flux of 108 sfu, the overall solar environment is maintaining a moderate pace.

    Key Metric

    The forecasted Kp reaching 4.67 is the primary indicator of an imminent minor geomagnetic storm that may influence power grid fluctuations and satellite drag.

    Expect a transition to unsettled and active geomagnetic conditions throughout the next 24 hours. Forecast models suggest Kp indices climbing toward 4.67 by late UTC hours, likely resulting in a G1-level minor geomagnetic storm.

    🌌 Aurora Outlook

    Aurora visibility is restricted to high latitudes. Observers in northern Canada, Scandinavia, and high-latitude US states may have a localized chance to observe auroral activity as the G1 conditions manifest, though mid-latitude viewing remains unlikely.

    Region Location Class Flares C/M/X
    AR4420 N16W01 Fki/BGD 1/0/0
    AR4421 S11E12 Hsx/A 0/0/0
    AR4422 N08W85 Hrx/A 0/0/0
    AR4426 N12W37 Axx/A 0/0/0
    AR4423 S05E18 Dai/BGD 1/1/0
    AR4424 N16E33 Dsi/B 0/0/0
    AR4427 S30E67 Axx/A 0/0/0
    AR4425 N05E66 Eac/BG 4/1/0
    2026-04-25 01:37:16.980Space Weather Message Code: WARK04
    2026-04-24 23:50:43.280Space Weather Message Code: WATA20
    2026-04-24 18:35:25.930Space Weather Message Code: SUMXM5
    2026-04-24 18:12:55.427Space Weather Message Code: ALTXMF
    2026-04-24 10:42:00.107Space Weather Message Code: ALTTP4

    Monitor the magnetic complexity of AR4425 and AR4423, as these regions remain the primary drivers for any additional M-class flares in the next 12-24 hours.