Prohlížíte si archiv pondělí 4. listopadu 2013

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2013 Nov 04 1152 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm flux	Ap
04 Nov 2013	146	008
05 Nov 2013	148	002
06 Nov 2013	150	004

Bulletin

Seven active regions were reported by NOAA today. Two of them (NOAA ARs 1884 and 1890) have beta-gamma configuration of the photospheric magnetic field. NOAA AR 1884 (Catania number 29) somewhat decayed, although it still may produce M-class flares. NOAA AR 1890 (no Catania number yet) has now fully appeared from behind the east limb and may produce M-class flares as well. Strong magnetic flux emergence in the NOAA AR 1887 (Catania number 30) will probably lead to increased flaring activity in this region, although it still keeps beta configuration of the photospheric magnetic field. M-class flares in this region are possible but still unlikely. Two C-class flares were detected on the Sun in the past 24 hours, the strongest one being the C9.9 flare peaking at 16:28 UT on November 3 in the NOAA AR 1890. The Earth is currently inside a slow (around 370 km/s) solar wind flow with slightly elevated (around 6 nT) interplanetary magnetic field magnitude. The geomagnetic conditions are quiet and are expected to remain so.

Today's estimated international sunspot number (ISN): 090, based on 09 stations.

Solar indices for 03 Nov 2013

Wolf number Catania	///
10cm solar flux	144
AK Chambon La Forêt	010
AK Wingst	009
Estimated Ap	009
Estimated international sunspot number	088 - Based on 18 stations

Noticeable events summary

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

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