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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2018 Mar 16 1230 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

Active conditions expected (A>=20 or K=4)

Sluneční protony

Quiet

	10cm flux	Ap
16 Mar 2018	069	018
17 Mar 2018	070	016
18 Mar 2018	071	008

Bulletin

Over the past 24 hours solar activity has been low. No significant flares have been recorded. Active Region (AR) 2701 (Mcintosh class:Axx; Mag. type:Alpha) emerged near disk centre but is compact and has shown no significant flaring activity. 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. A low latitude coronal hole is currently located in the western hemisphere. 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 fluctuating around 500 km/s over the past 24 hours. The total magnetic field strength has fluctuated between 3.0 nT and 8.0 nT. The Bz component has been mainly negative fluctuated between -6.0 and +5.0 nT. Geomagnetic conditions ranged between Kp index 1-4 (NOAA) over the past 24 hours. A low latitude negative polarity northern polar coronal hole has caused increased solar wind speeds at Earth and enhanced geomagnetic activity, which may persist throughout the next couple of days.

Today's estimated international sunspot number (ISN): 000, based on 18 stations.

Solar indices for 15 Mar 2018

Wolf number Catania	///
10cm solar flux	069
AK Chambon La Forêt	030
AK Wingst	016
Estimated Ap	018
Estimated international sunspot number	000 - Based on 17 stations

Noticeable events summary

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

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