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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2016 Jan 31 1231 UTC

SIDC Předpověď

Sluneční erupce

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

Geomagnetismus

Active conditions expected (A>=20 or K=4)

Sluneční protony

Quiet

	10cm tok	Ap
31 Jan 2016	103	013
01 Feb 2016	101	012
02 Feb 2016	100	010

Bulletin

Over the past 24 hours solar activity has been low. The largest flare was a B9.1 class flare. NOAA Active Region (AR) 2488 (Macintosh class:Cao; Mag. type:Beta) has been most active. AR 2488 has moved on to the West limb. ARs 2489 (Dho; Beta) and 2490 have shown some low levels of activity, and exhibited small amounts of flux emergence in HMI observations. There was a filament eruption around 15:00 UT yesterday (30-Jan-2016) near the Eastern limb, the resulting CME is not expected to interact with the Earth system. No Earth directed Coronal Mass Ejections (CMEs) have been detected. A positive polar coronal hole is currently positioned in the Western hemisphere of the Sun. Solar activity is expected to remain low over the next 24 hours with a high probability of C-class flares and a low probability of M-class flares. The solar wind speed has fluctuated between 260 and 300 km/s over the past 24 hours. The total magnetic field strength has fluctuated between 4 and 10 nT. The Bz component was largely negative, fluctuating between 0 and -7 nT. Geomagnetic conditions ranged between Kp index 0-3 (NOAA) and local K index 0-2 (Dourbes) over the past 24 hours. A positive polar coronal hole is currently positioned in the Western hemisphere of the Sun and the resulting high-speed stream (HSS) may enhance solar wind speeds.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 027, na základě 12 stanic.

Solární indexy za 30 Jan 2016

Wolfovo číslo Catania	///
10cm sluneční tok	105
AK Chambon La Forêt	006
AK Wingst	001
Odhadovaný Ap	001
Odhadovaný mezinárodní počet slunečních skvrn	034 - Na základě 15 stanic

Souhrn významných událostí

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

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