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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2016 Jun 20 1230 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

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

Protoni solari

Quiet

	10cm flux	Ap
20 Jun 2016	085	007
21 Jun 2016	083	013
22 Jun 2016	082	007

Bulletin

Solar activity was low with X-ray flux remaining below C Level. All the regions on the visible disk are fairly simple, NOAA AR 2558 can produce C-class flares. No Earth directed CMEs have been recorded in coronagraph data.

Solar wind speed is at 450 km/s. The interplanetary magnetic field intensity at 4 nT. Geomagnetic conditions were quiet to unsettled. The same situation is expected to continue today and active conditions are expected from June 21 (late) onwards due to a high speed stream from a coronal hole.

Today's estimated international sunspot number (ISN): 034, based on 11 stations.

Solar indices for 19 Jun 2016

Wolf number Catania	///
10cm solar flux	085
AK Chambon La Forêt	009
AK Wingst	006
Estimated Ap	005
Estimated international sunspot number	053 - Based on 23 stations

Noticeable events summary

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

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