Перегляд архіву четвер, 2 жовтня 2014

Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2014 Oct 02 1210 UTC

SIDC Forecast

Сонячні спалахи

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

Geomagnetism

Quiet (A<20 and K<4)

Сонячні протони

Quiet

	10cm flux	Ap
02 Oct 2014	150	012
03 Oct 2014	145	012
04 Oct 2014	142	013

Bulletin

There are currently 9 sunspot groups on the solar disk, but all are quiet. No C-class flares were recorded, with the x-ray flux varying between the C1.0 and C3.2 level (21:10UT). No earth directed CMEs were observed. A filament eruption occurred near the Central Meridian (30 degrees north) around 06:00UT, but analysis of the geo-effectiveness of any related CME is pending the availability of coronagraphic imagery. The two big filaments in the western hemisphere remained quiet. C-class flaring is expected, with a chance on an isolated M-class flare. Solar wind speed was stable around 380 km/s. Bz varied between -6 and +5 nT. Quiet to unsettled geomagnetic conditions were observed and are expected to remain so, with an active episode possible.

Today's estimated international sunspot number (ISN): 099, based on 12 stations.

Solar indices for 01 Oct 2014

Wolf number Catania	170
10cm solar flux	155
AK Chambon La Forêt	015
AK Wingst	012
Estimated Ap	012
Estimated international sunspot number	102 - Based on 23 stations

Noticeable events summary

Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive

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