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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2018 Nov 03 1230 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

Minor storm expected (A>=30 or K=5)

Sluneční protony

Quiet

	10cm flux	Ap
03 Nov 2018	068	017
04 Nov 2018	067	029
05 Nov 2018	068	018

Bulletin

Solar activity remained at very low levels. The visible solar disk was spotless. No earth-directed coronal mass ejections (CMEs) were observed during the period. The greater than 10 MeV proton flux was at nominal values.

Solar activity is expected to remain at very low levels.

Solar wind speed varied mostly between 330 and 370 km/s (DSCOVR). Bz ranged between -4 and +4 nT. The direction of the interplanetary magnetic field (phi angle) was predominately towards the Sun (negative sector). Quiet geomagnetic conditions were observed.

Mostly quiet geomagnetic conditions are expected until the arrival of the co-rotating interaction region and the high speed wind stream associated with the positive polarity equatorial coronal hole. This arrival is expected for later today or on 4 November. Geomagnetic conditions may then reach minor storm levels, a moderate storming episode not excluded.

Today's estimated international sunspot number (ISN): 000, based on 18 stations.

Solar indices for 02 Nov 2018

Wolf number Catania	///
10cm solar flux	068
AK Chambon La Forêt	008
AK Wingst	005
Estimated Ap	004
Estimated international sunspot number	000 - Based on 32 stations

Noticeable events summary

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

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