Vaata kolmapäev, 24 mai 2017 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2017 May 24 1311 UTC

SIDC ennustus

Kehtib alates 1230 UTC, 24 May 2017 kuni 26 May 2017
Päikesepursked ehk loited

Quiet conditions (<50% probability of C-class flares)

Geomagnetism

Active conditions expected (A>=20 or K=4)

Päikese prootonid

Quiet

10 cm voolAp
24 May 2017076004
25 May 2017075007
26 May 2017076013

Bülletään

Over the past 24 hours solar activity has been low. There has been one B4.4 flare peaking at 14:21 UT on 23-May-2017, coming from NOAA Active Region (AR) 2660 (McIntosh class:Bxo; Mag.Type:Beta). There are three more decaying NOAA AR on the visible side of the solar disk. Slow partial halo CME, with projected speed of about 192 km/s and angular width of about 122 degree, was detected at 05:24 UT by CATUS on 23-May-2017. The PROBA2/SWAP images analysis indicates strong dimming near solar disk centre as the source of the CME. WSA-ENLIL model predicts the arrival of CME at Earth around noon on 26-May-2017. Integral electron flux for electrons with energies above 2 MeV reached high levels. Integral proton flux for protons with energies above 10 MeV remained at background level. The greater than 2 MeV electron flux is expected to reach high levels today and tomorrow (25-May-2017) in response to elevated solar wind speeds. Then return to the nominal level caused by particles redistribution can be expected on 26-May-2017 due to the possible CME arrival. Solar activity is expected to remain low over the next 24 hours with a probability of C-class flares. The solar wind speed decreased from about 520 km/s to values around 470 km/s during last 24 hours. The total interplanetary magnetic field (IMF) strength, as recorded by the DSCOVR satellite, was around 4 nT. Bz fluctuated between -3 and +3 nT being mostly negative. Geomagnetic conditions were ranged K Dourbes between 1 and 3; NOAA Kp between 1 and 2. The geomagnetic field is expected to be quiet today and tomorrow. Unsettled to active conditions are expected, with a minor storm possibility after noon 26-May-2017 due to the arrival of the 23-May-2017 CME.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 024, põhineb 22 jaamadel.

Päikese indeksid 23 May 2017

Catania Wolfi number067
10cm päikesevoog076
AK Chambon La Forêt014
AK Wingst010
Hinnanguline Ap009
Hinnanguline rahvusvaheline päikeselaikude arv057 - Põhineb 31 jaamal

Märkimisväärsete sündmuste kokkuvõte

PäevAlgusMaksLõppLokatsioonTugevusOP10cmCatania/NOAARaadiosignaalipursete tüübid
Puuduvad

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

Kõik ajad UTC-s

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