Перегляд архіву субота, 22 жовтня 2016

Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2016 Oct 22 1230 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
22 Oct 2016	077	009
23 Oct 2016	078	014
24 Oct 2016	079	011

Bulletin

Over the past 24 hours solar activity has been low. there were no significant flares and all Active Regions (AR) have shown low levels of activity. No Earth directed Coronal Mass Ejections (CMEs) have been detected. Solar protons have 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 slowly decreasing from 370 to 350 km/s over the past 24 hours. The total magnetic field strength has been increasing from around 4 nT to 6 nT. The Bz component fluctuated around 4 nT, and been mainly positive. Geomagnetic conditions ranged between Kp index 0-2 (NOAA) and local K index 0-3 (Dourbes) over the past 24 hours. A small equatorial, positive polarity coronal hole is currently located in the Western hemisphere and the resultant High Speed Stream (HSS) may enhance solar wind speeds around the end of today (22-Oct-2016). Geomagnetic conditions are expected to be unsettled over the next 24 hours.

Today's estimated international sunspot number (ISN): 028, based on 16 stations.

Solar indices for 21 Oct 2016

Wolf number Catania	031
10cm solar flux	078
AK Chambon La Forêt	///
AK Wingst	002
Estimated Ap	002
Estimated international sunspot number	029 - Based on 22 stations

Noticeable events summary

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

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