Tällä sivulla voit lukea NOAA SWPC:n julkaisemat kommentit auringon havaitusta aktiivisuudesta edellisen vuorokauden kohdalta sekä muutaman seuraavan vuorokauden kattavan ennusteen. Uusin alkuperäinen julkaisu on luettavissa täällä. Tiedot päivittyvät kaksi kertaa vuorokaudessa.

Julkaistu 4.2.2023 kello 02:30

Auringon aktiivisuus

  • Edellinen vuorokausi

    Solar activity reached low levels with several C-class flares produced by Region 3207 (S12E23, Cai/beta). The largest of this activity was a C2.9/1f flare observed at 03/1645 UTC. Little change was noticed in this region. Old Region 3204 (N24, L=030) produced a C3.9 flare at 03/0249 UTC. Decay was observed in Regions 3206 (S21W08, Axx/alpha) and 3208 (N16E27, Axx/alpha). New Regions 3209 (N18E56, Dao/beta) and 3210 (S15W05, Cao/beta) were numbered this period. An 8 degree long filament, centered near N37W06, erupted on the disk beginning at about 03/0844 UTC. LASCO C2 and STEREO Ahead COR2 imagery detected a CME signature off the NW limb, first visible at about 03/1036 UTC. Analysis and initial model output suggests no Earthward-directed component exists. However, follow on modeling of this CME is in progress. No other Earth-directed CMEs were detected in available coronagraph imagery.

  • Lähipäivien ennuste

    Solar activity is expected to be very low, with C-class flares activity expected on 04-06 Feb.

Aurinkotuuli

  • Edellinen vuorokausi

    Solar wind parameters were near nominal levels. Total field ranged from 5-11 nT, the Bz component varied between +/-8 nT and solar wind speeds averaged near 350 km/s. Phi angle was in a predominately negative orientation.

  • Lähipäivien ennuste

    Solar wind parameters are expected to be at or near nominal levels on 04-05 Feb. Late on 06 Feb, parameters are expected to increase due to negative polarity CH HSS influence.

Geomagneettinen kenttä

  • Edellinen vuorokausi

    The geomagnetic field was at quiet to unsettled levels.

  • Lähipäivien ennuste

    Mostly quiet levels are expected on 04-05 Feb followed by quiet to unsettled levels on 06 Feb due to CH HSS influence.

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