Prohlížíte si archiv středa 6. února 2013

Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2013 Feb 06 1208 UTC

SIDC Předpověď

Sluneční erupce

Quiet conditions (<50% probability of C-class flares)

Geomagnetismus

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

Sluneční protony

Quiet

	10cm tok	Ap
06 Feb 2013	105	010
07 Feb 2013	103	012
08 Feb 2013	100	005

Bulletin

Four C-class flares were detected during last 24 hours. The C-class flares are possible, in particular from the Catania sunspot group 79 (NOAA AR 1667). The strongest observed flare was C8.7 flare peaking at 00:21 UT, on February 6. The long duration flare originated from the Catania sunspot group 79 (NOAA AR 1667) and was associated with the type II radio burst and the CME. Due to the data gap it is not possible to determine when the CME first time appeared in the SOHO/LASCO C2 field of view. The C1.3 flare peaking at 03:16 UT on February 6, was associated with the partial halo CME. From the currently available data it seems that the CME was directed somewhat northward of the Sun-Earth line. Therefore, only arrival of a CME-driven shock at the Earth is expected. The additional information will be possible once the data are available. The interplanetary magnetic field magnitude is about 4 nT. The solar wind speed is still low, having value of about 320 km/s. The fast flow from the small low-latitude coronal hole in the southern hemisphere might arrive on February 9. The fast flow associated with the low-latitude coronal hole in the northern hemisphere should arrive today. We expect quiet to possibly active geomagnetic conditions in the next 48 hours.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 029, na základě 08 stanic.

Solární indexy za 5 Feb 2013

Wolfovo číslo Catania	///
10cm sluneční tok	105
AK Chambon La Forêt	004
AK Wingst	003
Odhadovaný Ap	002
Odhadovaný mezinárodní počet slunečních skvrn	027 - Na základě 16 stanic

Souhrn významných událostí

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

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