Viewing archive of Wednesday, 19 October 2016

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2016 Oct 19 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 19 Oct 2016 until 21 Oct 2016
Solar flares

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

Geomagnetism

Quiet (A<20 and K<4)

Solar protons

Quiet

10cm fluxAp
19 Oct 2016078011
20 Oct 2016079010
21 Oct 2016078010

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 650 to 500 km/s over the past 24 hours. The total magnetic field strength has remained around 3 nT. The Bz component fluctuated around 1 nT, ranging between -2 and +2 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 to unsettled over the next 24 hours.

Today's estimated international sunspot number (ISN): 035, based on 04 stations.

Solar indices for 18 Oct 2016

Wolf number Catania037
10cm solar flux077
AK Chambon La Forêt015
AK Wingst010
Estimated Ap011
Estimated international sunspot number029 - Based on 20 stations

Noticeable events summary

DayBeginMaxEndLocStrengthOP10cmCatania/NOAARadio burst types
None

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

All times in UTC

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