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Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2017 Nov 24 1237 UTC

SIDC Forecast

Сонячні спалахи

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

Geomagnetism

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

Сонячні протони

Quiet

	10cm flux	Ap
24 Nov 2017	072	013
25 Nov 2017	073	010
26 Nov 2017	072	010

Bulletin

Over the past 24 hours solar activity has been quiet. No significant flares have been recorded. All Active Regions (AR) have shown low levels of activity. No Earth directed Coronal Mass Ejections (CMEs) have been detected. The greater than 10MeV proton flux remained at background levels over the past 24 hours. Solar activity is expected to remain low over the next 24 hours with a low probability of C-class flares. The solar wind speed has been decreasing from around 450 to 330 km/s over the past 24 hours, with a small increase this morning. The total magnetic field strength has fluctuated around 5 nT. The Bz component has fluctuated between positive and negative, between -5 and +5 nT. Geomagnetic conditions ranged between Kp index 1-3 (NOAA) and local K index 1-3 (Dourbes) over the past 24 hours. Geomagnetic conditions are expected to be quiet. Although it is not expected, if solar wind speeds continue to increase we could experience enhanced geomagnetic conditions as a consequence.

Today's estimated international sunspot number (ISN): 000, based on 17 stations.

Solar indices for 23 Nov 2017

Wolf number Catania	000
10cm solar flux	072
AK Chambon La Forêt	019
AK Wingst	012
Estimated Ap	011
Estimated international sunspot number	000 - Based on 25 stations

Noticeable events summary

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

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