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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2017 Jun 24 1231 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm flux	Ap
24 Jun 2017	074	006
25 Jun 2017	074	008
26 Jun 2017	075	018

Bulletin

Over the past 24 hours solar activity has been low. No significant flares have been recorded. No Earth directed Coronal Mass Ejections (CMEs) have been detected. There's a small northern coronal hole extending to lower latitudes in the western hemisphere that may increase solar wind speeds in a couple of days. Solar activity is expected to remain low over the next 24 hours with a low probability of C-class flares and a very low probability of M-class flares. The solar wind speed has slowly increased from around 320 km/s to 400 km/s over the past 24 hours. The total magnetic field strength has fluctuated around 7 nT. The Bz component fluctuated between -7 nT and +7 nT. Geomagnetic conditions ranged between Kp index 1-2 (NOAA) and local K index 1-2 (Dourbes) over the past 24 hours. Geomagnetic conditions are expected to be quiet but the increasing solar wind speeds may enhance geomagnetic conditions.

Today's estimated international sunspot number (ISN): 026, based on 11 stations.

Solar indices for 23 Jun 2017

Wolf number Catania	023
10cm solar flux	074
AK Chambon La Forêt	012
AK Wingst	006
Estimated Ap	007
Estimated international sunspot number	022 - Based on 30 stations

Noticeable events summary

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

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