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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2018 Jan 15 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 15 Jan 2018 until 17 Jan 2018
Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

10cm fluxAp
15 Jan 2018071011
16 Jan 2018071006
17 Jan 2018072010

Bulletin

Over the past 24 hours solar activity has been quiet. No significant flares have been recorded. A small bipolar region has emerged at S14E45 and is showing some evidence of growth that may increase flaring activity over the next 24 hours. There are no other significant Active Regions (AR) on the solar disk. There's a small filament channel located in the South-West, but appears stable. No Earth directed Coronal Mass Ejections (CMEs) have been detected. Solar activity is expected to remain low over the next 24 hours with a small probability of C-class flares. The solar wind speed has decreased from around 575 to 500 km/s over the past 24 hours. The total magnetic field strength has remained around 6 nT. The Bz component fluctuated around 0 nT, ranging between -5 and +5 nT. Geomagnetic conditions ranged between Kp index 1-4 (NOAA) and local K index 1-3 (Dourbes) over the past 24 hours. Geomagnetic conditions are expected to be quiet.

Today's estimated international sunspot number (ISN): 007, based on 06 stations.

Solar indices for 14 Jan 2018

Wolf number Catania///
10cm solar flux071
AK Chambon La Forêt019
AK Wingst015
Estimated Ap014
Estimated international sunspot number000 - Based on 16 stations

Noticeable events summary

DayBeginMaxFineLocStrengthOP10cmCatania/NOAARadio burst types
Nessuna

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

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