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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2014 Aug 01 1232 UTC

SIDC Předpověď

Sluneční erupce

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

Geomagnetismus

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm tok	Ap
01 Aug 2014	163	009
02 Aug 2014	167	018
03 Aug 2014	170	006

Bulletin

There are currently 9 sunspot groups visible. Fast growing NOAA 2132 produced the strongest event of the period: a C8 flare peaking at 00:18UT. Together with NOAA 2130, which produced only low-level C-class flares, they are magnetically the most complex active regions on the solar disk. NOAA 2127 simplified, and remained quiet. A small filament on the northern hemisphere near the central meridian (CM) erupted. Evaluation of any associated CME is pending the availability of coronagraphic images. The other filaments have been stable. No Earth-directed CMEs were observed over the last 24 hours. There remains a chance for an M-class flare, in particular from NOAA 2130 and 2132. In response to the sector boundary crossing from 31 July around 11:00UT (ACE), solar wind speed gradually increased from 300 to 350 km/s, with Bz varying between -8 and +10 nT. Geomagnetic conditions were quiet, with locally some unsettled periods towards the end of the reporting window. A small equatorial coronal hole is transiting the CM and may influence the geomagnetic field on 4 August. Quiet geomagnetic conditions are expected until the possible glancing blow from the 30 July CME, which may locally lead to active geomagnetic conditions on 2 August.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 125, na základě 12 stanic.

Solární indexy za 31 Jul 2014

Wolfovo číslo Catania	///
10cm sluneční tok	156
AK Chambon La Forêt	009
AK Wingst	008
Odhadovaný Ap	005
Odhadovaný mezinárodní počet slunečních skvrn	/// - Na základě /// stanic

Souhrn významných událostí

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

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