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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2014 Dec 08 1211 UTC

SIDC Předpověď

Sluneční erupce

Eruptive (C-class flares expected, probability >=50%)

Geomagnetismus

Quiet (A<20 and K<4)

Sluneční protony

Warning condition (activity levels expected to increase, but no numeric forecast given)

	10cm tok	Ap
08 Dec 2014	140	006
09 Dec 2014	145	007
10 Dec 2014	150	007

Bulletin

The background of the Xray flux (measured by GOES) is currently at the higher B-level. Only 3 minor C-class flares were observed, originating from NOAA AR 2222 (Catania group 24) and 2231 (no Catania number yet). NOAA 2231 emerged yesterday and developed to a beta region. Flaring at the lower C-level is expected. As NOAA 2222 is approaching the west limb, despite the reduced flaring potential, an eruption might still be accompanied by an increased solar proton flux. No Earth directed CMEs were observed. The Earth is still inside a fast flow, but with decreasing solar wind speed values (from 800 to 600 km/s, measured by ACE). The interplanetary magnetic field has a magnitude between 3 and 7 nT with a fluctuating Bz component. Yesterday afternoon (UT time), active to minor storm conditions were reached (to 5 for local K at Dourbes and estimated NOAA Kp) due to the arrival of a coronal hole high speed stream. K returned to quiet conditions again. Quiet to unsettled magnetic conditions are expected.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 043, na základě 11 stanic.

Solární indexy za 07 Dec 2014

Wolfovo číslo Catania	///
10cm sluneční tok	132
AK Chambon La Forêt	037
AK Wingst	031
Odhadovaný Ap	031
Odhadovaný mezinárodní počet slunečních skvrn	042 - Na základě 09 stanic

Souhrn významných událostí

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

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