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Daily bulletin on solar and geomagnetic activity from the SIDC

Emitido: 2016 Jun 02 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
02 Jun 2016	085	003
03 Jun 2016	090	006
04 Jun 2016	095	006

Bulletin

Solar activity was restricted to only a few B-class flares. The strongest was a B7.9 flare (peaking at 22h35 UT) as maximum, which was associated with a prominence eruption and dimming at the East limb. No CME signature has not been observed yet, though there is a data gap in SOHO/LASCO imagery. In case of a CME associated with the event, no Earth- directed component is expected. The probability for C-class flares or above is low (20%).

Solar wind observations are nominal with a magnetic field magnitude below 5 nT and a solar wind speed decreasing from 450 to currently 380 km/s. Geomagnetic conditions are quiet (K<3) and are expected to remain so. A negative polarity equatorial coronal hole (CH) is currently crossing the central meridian; the high speed stream emanating from that CH is expected to disturb the solar wind from June 5.

Today's estimated international sunspot number (ISN): 016, based on 14 stations.

Solar indices for 01 Jun 2016

Wolf number Catania	///
10cm solar flux	086
AK Chambon La Forêt	010
AK Wingst	006
Estimated Ap	006
Estimated international sunspot number	040 - Based on 25 stations

Noticeable events summary

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

All times in UTC

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