Viewing archive of Thursday, 20 October 2016

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2016 Oct 20 1230 UTC

SIDC Forecast

Solar flares

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

Geomagnetism

Quiet (A<20 and K<4)

Solar protons

Quiet

	10cm flux	Ap
20 Oct 2016	077	003
21 Oct 2016	078	003
22 Oct 2016	079	003

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 around between 520 to 400 km/s over the past 24 hours. The total magnetic field strength has remained around 4 nT. The Bz component fluctuated around 1 nT, ranging between -3 and +3 nT. Geomagnetic conditions ranged between Kp index 0-2 (NOAA) and local K index 0-3 (Dourbes) over the past 24 hours. Geomagnetic conditions are expected to be quiet to unsettled over the next 24 hours.

Today's estimated international sunspot number (ISN): 017, based on 13 stations.

Solar indices for 19 Oct 2016

Wolf number Catania	///
10cm solar flux	077
AK Chambon La Forêt	008
AK Wingst	006
Estimated Ap	006
Estimated international sunspot number	033 - Based on 13 stations

Noticeable events summary

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

All times in UTC

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