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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2016 Aug 27 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
27 Aug 2016	080	006
28 Aug 2016	080	015
29 Aug 2016	078	037

Bulletin

Solar activity was very low with X-ray flux below C level and no flares observed. NOAA region 2581 grew slightly, while the other regions were in decay. X-ray flux is expected to remain below C level. Solar proton flux is at background levels and expected to remain so. No Earth directed CMEs have been observed in coronagraph data. A transequatorial positive polarity coronal hole is currently transiting the central meridian and is expected to become geoeffective on August 29.

Solar wind conditions were near nominal with solar wind speed currently around 425 km/s. Total magnetic field was steady around 5nT with a variable Bz component. The magnetic field phi angle indicates a negative sector throughout the period. Solar wind conditions are first expected to remain nominal with later tomorrow an expected boundary crossing ahead of the onset of a positive polarity coronal hole high speed stream.

Geomagnetic conditions were quiet to unsettled (both local K Dourbes and NOAA Kp 1-3) and expected to remain so the next 24 hours. Afterwards conditions are expected to rise to unsettled to active and later unsettled to minor storm levels with the expected sector change and high speed stream influence.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 058, na základě 18 stanic.

Solární indexy za 26 Aug 2016

Wolfovo číslo Catania	///
10cm sluneční tok	082
AK Chambon La Forêt	011
AK Wingst	009
Odhadovaný Ap	008
Odhadovaný mezinárodní počet slunečních skvrn	049 - Na základě 30 stanic

Souhrn významných událostí

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