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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2015 Nov 15 1231 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

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

Protoni solari

Quiet

	10cm flux	Ap
15 Nov 2015	107	011
16 Nov 2015	109	022
17 Nov 2015	111	008

Bulletin

Over the past 24 hours solar activity has been very low, there have been no C, M or X-class flares recorded. All Active Regions (AR) have remained stable, showing small amounts of flux emergence. A small Coronal Hole (CH) is currently located near disk center. There were no Earth directed Coronal Mass Ejections (CMEs) observed over the past 24 hours. Solar activity is expected to remain low with a chance of C-class flares.

The solar wind speed has been steadily decreasing over the past 24 hours, from around 480 km /s to around 360 km /s. The total magnetic field has remained stable around 5 nT over the past 24 hours. The Bz component has oscillated between -5 nT and +6 nT over the past 24 hours. Geomagnetic conditions have been mainly quiet over the past 24 hours (NOAA Kp 1-3, local K Dourbes 1-3). A small coronal hole (CH) currently located near solar disk center may enhance geo-activity in the next few days.

Today's estimated international sunspot number (ISN): 058, based on 06 stations.

Solar indices for 14 Nov 2015

Wolf number Catania	///
10cm solar flux	106
AK Chambon La Forêt	///
AK Wingst	009
Estimated Ap	012
Estimated international sunspot number	038 - Based on 18 stations

Noticeable events summary

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

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