Vaata pühapäev, 13 mai 2018 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2018 May 13 1230 UTC

SIDC ennustus

Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

	10 cm vool	Ap
13 May 2018	070	004
14 May 2018	069	005
15 May 2018	069	003

Bülletään

Solar activity was at very low levels. Sunspot region NOAA 2709 (Catania 81) is slowly decaying and barely visible. No earth-directed coronal mass ejections (CMEs) were observed in available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal levels.

Solar activity is expected to remain at very low levels.

Earth was under the waning influence of the wind stream from an elongated negative polarity equatorial coronal hole (CH). Solar wind speed first declined from 520 km/s to 440 km/s by 23UT, before enhancing again to 500 km/s (DSCOVR). By the end of the period, wind speed values were near 430 km/s. Bz was first steady with values near 0 nT until midnight, when it started varying between -6 and +4 nT. The interplanetary magnetic field was mainly directed towards the Sun. Geomagnetic activity was mostly quiet, with an unsettled episode recorded by Dourbes during the 21-24UT interval.

Mostly quiet geomagnetic conditions are expected, with a chance on an unsettled interval.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 011, põhineb 10 jaamadel.

Päikese indeksid 12 May 2018

Catania Wolfi number	///
10cm päikesevoog	070
AK Chambon La Forêt	011
AK Wingst	010
Hinnanguline Ap	010
Hinnanguline rahvusvaheline päikeselaikude arv	013 - Põhineb 24 jaamal

Märkimisväärsete sündmuste kokkuvõte

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

Kõik ajad UTC-s

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