Author: sitemill

  • Solar Watch — May 19, 2026 | 18:00 UTC

    ☀ HELIOS SOLAR WATCH · 2026-05-19 16:00 UTC
    Solar activity remains in a stable, quiet state
    SOLAR: MODERATE
    GEO: UNSETTLED

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

    Geomagnetic conditions are currently unsettled with a Kp-index of 4.0, but no significant storm activity is present. Solar flare potential remains low, with only minor C-class activity detected recently.

    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
    4.0
    0–9 scale · ≥5 = geomagnetic storm

    F10.7 Solar Flux
    111.0
    sfu · >150 = high activity

    The Earth’s magnetic field is experiencing an unsettled state, consistent with ongoing, non-storm levels of activity. The solar disk contains four numbered active regions, though none are showing signs of complex magnetic configurations capable of producing major flares. The current F10.7 flux of 111 sfu indicates a moderate solar background environment.

    Key Metric

    The current Kp-index of 4.0 is the most critical metric, as it indicates the Earth’s magnetic field is unsettled but remains below the threshold for a geomagnetic storm.

    Expect a gradual decline in geomagnetic activity as the current pressure subsides, with the Kp-index forecast to return to quiet levels of 2.0 to 3.0 within the next 24 hours. No significant X-ray bursts or radiation events are anticipated.

    🌌 Aurora Outlook

    At a Kp-index of 4.0, aurora visibility is largely confined to high-latitude regions. Observers at mid-latitudes (40-60°N) are unlikely to see significant activity, though high-latitude skywatchers should remain observant as the unsettled conditions persist.

    Region Location Class Flares C/M/X
    AR4436 N19W65 Hsx/A 1/0/0
    AR4439 N06E29 Dao/B 0/0/0
    AR4440 N17E28 Hrx/A 0/0/0
    AR4441 N08W15 Dao/B 0/0/0
    2026-05-19 08:55:28.143Space Weather Message Code: ALTK04
    2026-05-19 07:03:03.623Space Weather Message Code: WARK04
    2026-05-19 05:14:59.780Space Weather Message Code: ALTEF3
    2026-05-19 04:56:04.970Space Weather Message Code: ALTEF3
    2026-05-18 05:00:25.433Space Weather Message Code: ALTEF3

    Monitor the magnetic evolution of AR4441 and AR4439; while currently stable, any rapid increase in magnetic complexity could shift the flare probability outlook.