Vaata reede, 14 detsember 2018 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2018 Dec 14 1230 UTC

SIDC ennustus

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 vool	Ap
14 Dec 2018	069	003
15 Dec 2018	069	004
16 Dec 2018	069	013

Bülletään

The Sun is spotless and did not produce any flares in the past 24 hours. The chance for a C flare in the next 24 hours is estimated at only 2%.

No Earth-directed Coronal Mass Ejections (CMEs) were observed in available coronagraphic imagery.

The greater than 10 MeV proton flux was at nominal levels in the past 24 hours, and is expected to stay at nominal levels in the next 24 hours.

Solar wind speed near Earth as registered by DSCOVR varied between about 340 and 425 km/s in the past 24 hours. The Interplanetary Magnetic Field (IMF) was predominantly directed towards the Sun and its magnitude varied between about 2 and 6 nT. Bz was never below -5 nT. A weak solar wind stream associated with a negative polarity, equatorial-South polar coronal hole is expected to arrive near Earth on December 16.

Quiet geomagnetic conditions (K Dourbes between 0 and 1; NOAA Kp between 0 and 1) were registered in the past 24 hours. Quiet to unsettled geomagnetic levels (K Dourbes < 4) are expected on December 14 and 15. There is a chance for active intervals on December 16, related to the expected arrival of a weak solar wind stream associated with a negative polarity, equatorial-South polar coronal hole.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 010, põhineb 09 jaamadel.

Päikese indeksid 13 Dec 2018

Catania Wolfi number	000
10cm päikesevoog	070
AK Chambon La Forêt	003
AK Wingst	002
Hinnanguline Ap	001
Hinnanguline rahvusvaheline päikeselaikude arv	000 - Põhineb 24 jaamal

Märkimisväärsete sündmuste kokkuvõte

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

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