Prohlížíte si archiv pondělí 24. července 2017

Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2017 Jul 24 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
24 Jul 2017	070	015
25 Jul 2017	070	011
26 Jul 2017	070	008

Bulletin

Solar activity was at very low levels during the period. The visible solar disk is spotless. A bright faculae field rotated 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.

The earth environment remained under the influence of the high speed stream (HSS) from a positive polarity coronal hole (CH). Wind speeds gradually increased from an initial value near 560 km/s to about 700 km/s by 04UT, then decreased again to 600 km/s by the end of the period. Bz oscillated between -6 and +5 nT. The interplanetary magnetic field was directed away from the Sun.

The geomagnetic field was at quiet to unsettled levels, with an active episode during the 21-24UT interval recorded by both Dourbes and in Kp. Mostly quiet to unsettled geomagnetic conditions are expected, with a chance on another active episode as the influence of the CH HSS is expected to gradually subside over the next 1-2 days.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 000, na základě 18 stanic.

Solární indexy za 23 Jul 2017

Wolfovo číslo Catania	///
10cm sluneční tok	071
AK Chambon La Forêt	026
AK Wingst	016
Odhadovaný Ap	017
Odhadovaný mezinárodní počet slunečních skvrn	000 - Na základě 31 stanic

Souhrn významných událostí

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

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