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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2018 Nov 01 1230 UTC

SIDC Předpověď

Sluneční erupce

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

Geomagnetismus

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm tok	Ap
01 Nov 2018	068	008
02 Nov 2018	068	003
03 Nov 2018	068	024

Bulletin

Solar activity was at very low levels. No sunspot regions were observed on the visible solar disk. No earth-directed coronal mass ejections (CMEs) were observed over the last 24 hours. The greater than 10 MeV proton flux was at nominal values. A positive polarity equatorial coronal hole is transiting the Central Meridian.

Solar activity is expected to remain at very low levels.

Solar wind speed showed a slightly increasing trend and varied between 320 and 360 km/s (DSCOVR). Bz ranged between -5 and +4 nT, with a mostly negative stretch near -4 nT from 04-07UT. The direction of the interplanetary magnetic field (phi angle) was mostly away from the Sun (positive sector), with negative sectors from 00:30-04:30UT and from 06-08UT, and variable after 08UT. Quiet geomagnetic conditions were observed with an unsettled episode in K Dourbes during the 06-11UT interval.

Quiet to unsettled geomagnetic conditions are expected until the arrival of the co-rotating interaction region and the high speed wind stream associated with the positive polarity CH. Based on STEREO-A data, this arrival is expected for 3 November, with wind speeds possibly up to 650 km/s and Bz around -10 nT. Geomagnetic conditions may then reach minor storm levels, a moderate storming episode not excluded.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 000, na základě 10 stanic.

Solární indexy za 31 Oct 2018

Wolfovo číslo Catania	///
10cm sluneční tok	068
AK Chambon La Forêt	009
AK Wingst	005
Odhadovaný Ap	004
Odhadovaný mezinárodní počet slunečních skvrn	/// - Na základě /// stanic

Souhrn významných událostí

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

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