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Daily bulletin on solar and geomagnetic activity from the SIDC

Emitido: 2014 Jun 19 1242 UTC

SIDC Forecast

Llamarada solar

Eruptive (C-class flares expected, probability >=50%)

Geomagnetism

Quiet (A<20 and K<4)

Protones solares

Quiet

	10cm flux	Ap
19 Jun 2014	108	009
20 Jun 2014	105	009
21 Jun 2014	101	009

Bulletin

During the past 24 hours, only three C-class flares were reported, and all of them were weak (below C2 level). NOAA AR 2089 has the beta-gamma configuration of its photospheric magnetic field, but it produced only one C-class flare during this period. We expect flaring activity to continue on the C-level, in particular in NOAA ARs 2087 and 2089, as well as in the newly emerged NOAA AR 2095. Yesterday evening the interplanetary magnetic field (IMF) magnitude reached 10 nT, with intervals of negative north-south IMF component. Active to minor storm geomagnetic conditions were reported (Kp = 5 by NOAA, K = 5 by IZMIRAN, K = 4 by Dourbes). Currently the Earth is inside a slow (around 440 km/s) solar wind flow with average (around 5 nT) IMF magnitude. The geomagnetic conditions are quiet and are expected to remain so.

Today's estimated international sunspot number (ISN): 068, based on 13 stations.

Solar indices for 18 Jun 2014

Wolf number Catania	///
10cm solar flux	111
AK Chambon La Forêt	028
AK Wingst	020
Estimated Ap	018
Estimated international sunspot number	085 - Based on 21 stations

Noticeable events summary

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

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