Prohlížíte si archiv pondělí 22. srpna 2016

Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2016 Aug 22 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
22 Aug 2016	078	007
23 Aug 2016	080	008
24 Aug 2016	082	022

Bulletin

Solar activity was very low with the X-ray flux remaining below C level. The two regions on disk are the simple NOAA region 2578 and an additional (yet unnumbered) returning region which is rotating onto the Eastern hemisphere. Both remained quiet. Quiet conditions are expected to continue with only a very small chance for C flaring. The proton fluxes are at background levels and expected to remain so. No significant CME's have been identified in coronagraph images.

Solar wind conditions saw the total magnetic field reaching a maximum close to 15nT just after noon August 21 with also a gradual rise of the solar wind speed from around 325 to around 400 km/s. Bz was variable with a maximum southward deflection of -9nT. Meanwhile solar wind speed as well as magnetic field have declined to nominal values and are expected to remain so before later on August 24 the influence of the negative polarity coronal hole in the southern hemisphere may enhance solar wind conditions.

Geomagnetic conditions shortly reached active levels (both local K Dourbes and NOAA Kp 4) in the afternoon of August 21 but are currently back at quiet to unsettled levels. Geomagnetic conditions are expected to remain quiet to unsettled with from August 24 onwards, possibly active conditions under a high speed stream influence.

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

Solární indexy za 21 Aug 2016

Wolfovo číslo Catania	///
10cm sluneční tok	077
AK Chambon La Forêt	016
AK Wingst	011
Odhadovaný Ap	010
Odhadovaný mezinárodní počet slunečních skvrn	009 - Na základě 27 stanic

Souhrn významných událostí

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

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