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Daily bulletin on solar and geomagnetic activity from the SIDC

Emitido: 2018 Jan 06 1230 UTC

SIDC Forecast

Llamarada solar

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

Geomagnetism

Quiet (A<20 and K<4)

Protones solares

Quiet

	10cm flux	Ap
06 Jan 2018	068	003
07 Jan 2018	068	004
08 Jan 2018	069	024

Bulletin

The solar activity was quiet over the past 24 hours and no flare has been recorded. The sunspot that has emerged yesterday on Jan 06 (NOAA active region 2693) shows already a decay. Quiet flaring conditions are expected for the next 24-hour period with possible but not very likely B to C-class flares from the sunspot.

No Earth directed Coronal Mass Ejection has been observed. The greater than 10 MeV solar protons flux remained at nominal levels over the past 24 hours and is expected to remain so.

The solar wind conditions were within the slow wind speed stream over the past 24 hours. The solar wind speed was ranging between 300 and 340 km/s. The interplanetary magnetic field magnitude was below 5 nT, and the Bz component was ranging from -4 to 4 nT. Solar wind enhancements and high speed streams associated with the coronal hole (which was facing Earth on Jan 05) are not expected to arrive before Jan 08.

The geomagnetic conditions were quiet and it is expected to remain quiet as the Earth is within the slow solar wind speed stream. Disturbance of the geomagnetic conditions are anticipated on Jan 08 due to the arrival of the high speed streams associated with the coronal hole.

Today's estimated international sunspot number (ISN): 010, based on 09 stations.

Solar indices for 05 Jan 2018

Wolf number Catania	///
10cm solar flux	069
AK Chambon La Forêt	009
AK Wingst	006
Estimated Ap	005
Estimated international sunspot number	011 - Based on 15 stations

Noticeable events summary

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

All times in UTC

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