Перегляд архіву пʼятниця, 5 жовтня 2018

Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2018 Oct 05 1230 UTC

SIDC Forecast

Сонячні спалахи

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

Geomagnetism

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

Сонячні протони

Quiet

	10cm flux	Ap
05 Oct 2018	067	007
06 Oct 2018	066	007
07 Oct 2018	065	017

Bulletin

The only active region visible on the solar disc (NOAA 2723) has decayed from beta to alpha magnetic field configuration. No C-class flares in past 24 h. Solar activity is expected to remain at low levels.

No Earth directed Coronal Mass Ejections (CMEs) have been detected. Solar protons have remained at background levels over the past 24 hours.

The solar wind speed is at 400 km/s with interplanetary magnetic fields of 2 nT. Geomagnetic conditions have been quiet. The fast solar wind associated with a positive polarity coronal hole will arrive to the Earth on October 7-8, causing disturbed geomagnetic conditions (most likely up to K = 6).

Today's estimated international sunspot number (ISN): 000, based on 26 stations.

Solar indices for 04 Oct 2018

Wolf number Catania	012
10cm solar flux	067
AK Chambon La Forêt	012
AK Wingst	005
Estimated Ap	003
Estimated international sunspot number	011 - Based on 23 stations

Noticeable events summary

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

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