Viewing archive of Saturday, 27 October 2018

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2018 Oct 27 1231 UTC

SIDC Forecast

Valid from 1230 UTC, 27 Oct 2018 until 29 Oct 2018
Solar flares

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

Geomagnetism

Quiet (A<20 and K<4)

Solar protons

Quiet

10cm fluxAp
27 Oct 2018069005
28 Oct 2018069007
29 Oct 2018068007

Bulletin

Over the past 24 hours solar activity has been low. No significant flares have been recorded. There are currently no significant Active Regions on the solar disk. 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 and a low probability of M-class flares. The solar wind speed fluctuated between 380 to 420 km/s over the past 24 hours. The total magnetic field strength has fluctuated around 5 nT. The Bz component fluctuated around 0 nT, ranging between -5 and +5 nT. Geomagnetic conditions ranged between Kp index 1-3 (NOAA) and local K index 1-2 (Dourbes) over the past 24 hours. Geomagnetic conditions are expected to be quiet.

Today's estimated international sunspot number (ISN): 000, based on 15 stations.

Solar indices for 26 Oct 2018

Wolf number Catania000
10cm solar flux069
AK Chambon La Forêt014
AK Wingst009
Estimated Ap008
Estimated international sunspot number000 - Based on 16 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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