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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2017 Mar 07 1230 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
07 Mar 2017	072	016
08 Mar 2017	073	009
09 Mar 2017	073	014

Bulletin

Solar activity was very low during the period. The solar disk is currently devoided of sunspots. A small active region is about to rotate over the east limb. No earth-directed coronal mass ejections (CMEs) were observed in available coronagraphic imagery. The greater than 10MeV proton flux was at nominal levels.

Quiet flaring conditions are expected to continue.

Earth remained under the influence of the high speed stream (HSS) from the trans-equatorial extension from the negative southern polar coronal hole (CH). Solar wind speed varied between 650 and 550 km/s, with Bz mostly fluctuating between -5 nT and +6 nT. The interplanetary magnetic field was directed towards the Sun. A diffuse positive equatorial CH is transiting the central meridian.

The geomagnetic field ranged from quiet to active levels, with a minor storming episode reported during the 18-21UT interval. Mostly quiet to active geomagnetic conditions are expected, with still a chance on a minor storming interval. The particle stream associated with the positive CH is expected to arrive around 9 March resulting in only unsettled to active conditions.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 000, na základě 19 stanic.

Solární indexy za 06 Mar 2017

Wolfovo číslo Catania	///
10cm sluneční tok	072
AK Chambon La Forêt	038
AK Wingst	026
Odhadovaný Ap	028
Odhadovaný mezinárodní počet slunečních skvrn	000 - Na základě 17 stanic

Souhrn významných událostí

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

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