Vaata pühapäev, 23 veebruar 2025 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2025 Feb 23 1231 UTC

SIDC ennustus

Päikesepursked ehk loited

M-class flares expected (probability >=50%)

Geomagnetism

Minor storm expected (A>=30 or K=5)

Päikese prootonid

Warning condition (activity levels expected to increase, but no numeric forecast given)

10 cm voolAp
23 Feb 2025199022
24 Feb 2025201016
25 Feb 2025203007

Päikese aktiivsed piirkonnad ja pursked

A total of 13 numbered sunspot groups were identified on the disk over the past 24 hours. Solar flaring activity was moderate over the past 24 hours, with 3 M-class flare identified. The largest one was an M4.9 flare (SIDC Flare 3688) peaking on February 23 at 02:13 UTC, which was produced by SIDC Sunspot Group 410 (NOAA Active Region 4001). Solar flaring activity is expected to be moderate over the next 24 hours, with M-class flares likely and a chance for X-class flares.

Krooniaine massiline väljavool

No Earth-directed CMEs have been observed in the last 24 hours.

Päikesetuul

The solar wind speed at Earth is around 330 km/s, with the interplanetary magnetic field magnitude currently around 5 nT. Similar slow solar wind conditions are expected to persist for the next 24 hours. However, the CME that left the Sun early on 20 February, may arrive in the next 24 hours and cause disturbed conditions.

Geomagnetism

Geomagnetic conditions have been quiet locally (K_Bel up to 2) and up to unsettled levels globally (Kp up to 3). Similar conditions can be expected for the next 24 hours, with possible disturbed conditions if the CME from 20 February arrives.

Prootoni voo tasemed

The 10 MeV proton flux remained below the threshold level. It is expected to remain below the threshold level over the next 24 hours, but a warning condition has been raised since several complex active regions are showing increasing activity in the western hemisphere.

Elektronivoog geostatsionaarsel orbiidil

The greater than 10 MeV GOES 16 and 18 electron flux has been below the threshold in the last 24 hours It is expected to remain so in the next 24 hours. The 24-hour electron fluence is currently at normal levels and is expected to remain so in the next 24 hours.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 179, põhineb 13 jaamadel.

Päikese indeksid 22 Feb 2025

Catania Wolfi number///
10cm päikesevoog199
AK Chambon La Forêt014
AK Wingst008
Hinnanguline Ap007
Hinnanguline rahvusvaheline päikeselaikude arv177 - Põhineb 09 jaamal

Märkimisväärsete sündmuste kokkuvõte

PäevAlgusMaksLõppLokatsioonTugevusOP10cmCatania/NOAARaadiosignaalipursete tüübid
23020002130223----M4.9--/4001III/2
23095409561001----M1.049/3998

Andmed on esitanud Päikeseinfektide Andmeanalüüsi Keskus (Solar Influences Data Analysis Center)© - SIDC - Töötleb SpaceWeatherLive

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