Prohlížíte si archiv čtvrtek 13. dubna 2017

Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2017 Apr 13 1249 UTC

SIDC Předpověď

Sluneční erupce

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

Geomagnetismus

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

Sluneční protony

Quiet

	10cm tok	Ap
13 Apr 2017	069	003
14 Apr 2017	068	007
15 Apr 2017	067	013

Bulletin

Solar activity was at very low levels during the period. The only event was a B2.4 flare peaking at 14:32 UT yesterday. The flare was produced by NOAA 2650 Active Region (McIntosh class: Cso; Mag.Type: Beta). The X-Ray solar flux remained below B-class flaring level afterwards. No Earth-directed CMEs was observed in coronagraph imagery. Integral proton flux for protons with energies above 10 MeV remained at background level. B-class flaring is expected. Solar wind speed gradually decreased from 440 km/s to 400 km/s by the end of the period. The interplanetary magnetic field was below 5 nT. Bz fluctuated between -2.1 and +2.5 nT. Quiet geomagnetic conditions (K Dourbes between 0 and 2; NOAA Kp between 0 and 2) were registered in the past 24 hours. Quiet geomagnetic conditions are expected today (13 April). Unsettled geomagnetic conditions are possible from tomorrow (14 April) due to potential glancing blow from 10 April CME. Isolated episodes of active geomagnetic conditions can be expected from 15 April due to the influence of possible CME effects or of high speed streams from a low latitude coronal hole.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 025, na základě 20 stanic.

Solární indexy za 12 Apr 2017

Wolfovo číslo Catania	027
10cm sluneční tok	071
AK Chambon La Forêt	006
AK Wingst	004
Odhadovaný Ap	005
Odhadovaný mezinárodní počet slunečních skvrn	019 - Na základě 27 stanic

Souhrn významných událostí

Poskytuje Centrum pro analýzu dat o solárních vlivech© - SIDC - Zpracováno SpaceWeatherLive

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