Vaata neljapäev, 1 juuni 2017 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2017 Jun 01 1232 UTC

SIDC ennustus

Kehtib alates 1230 UTC, 01 Jun 2017 kuni 03 Jun 2017
Päikesepursked ehk loited

C-class flares expected, (probability >=50%)

Geomagnetism

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

Päikese prootonid

Quiet

10 cm voolAp
01 Jun 2017074019
02 Jun 2017075026
03 Jun 2017077017

Bülletään

Solar activity has increased with the rotation of a new active region (Catania group 29, NOAA Active Region 2661) over the East limb which has produced several C flares over past 24 hours. The strongest was a C6.6. flare peaking at 1:43UT. Analysis of the complexity of this region will improve as it rotates further into view but meanwhile further flaring at C level should be anticipated from this region, with a small chance for M flares. The C6.6. flare was associated with an Eastbound CME visible in SoHO/LASCO C2 coronagraph images from 2:12UT onwards. It is narrow and directed well off the sun-Earth line so that it will not have any consequences on Earth. No other Earth directed CMEs have been observed in coronagraph data. The proton flux levels were at background values, and are expected to remain so.

Solar wind dropped to nominal values of 380 km/s at the start of the period and has been decreasing to 320 km/s currently. Total magnetic field remained in the 6-8nT range throughout most of the period, with a decrease to around the 3nT level after 9:00UT. Bz was variable and the phi angle was steadily in the positive sector until the drop of the total magnetic field. Solar wind may see a renewed enhancement associated to the high speed stream from the equatorial coronal hole later today or tomorrow. Geomagnetic conditions were mainly quiet (local K Dourbes and NOAA Kp 0-2) with only two isolated periods of K=3 at Dourbes. Geomagnetic conditions could increase over the next 24-48 hours to active levels with the anticipated enhancements due to the high speed stream.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 014, põhineb 26 jaamadel.

Päikese indeksid 31 May 2017

Catania Wolfi number000
10cm päikesevoog074
AK Chambon La Forêt009
AK Wingst005
Hinnanguline Ap004
Hinnanguline rahvusvaheline päikeselaikude arv/// - Põhineb /// 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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