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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2016 Mar 29 1230 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
29 Mar 2016	086	008
30 Mar 2016	087	008
31 Mar 2016	088	008

Bulletin

Solar flaring activity was restricted to the B-class level. The source region was NOAA 2524 which has now rounded the west limb. Active region NOAA 2526 was quiet. A CME first seen in LASCO coronagraphic imagery around 16:00UT was associated with a backside filament eruption. No earth- directed CMEs have been observed.

There is a small chance on an isolated C-class flare.

Earth remained under the influence of the positive transequatorial coronal hole stream. Solar wind speed continued to increase from about 500 km/s to values around 580 km/s shortly after 04UT, and ending the period with values near 520 km/s. Bz initially oscillated between -6 and +7 nT, then between -3 and +4 nT after about 02:00UT. Geomagnetic conditions were quiet to unsettled.

Mostly quiet to unsettled geomagnetic conditions are expected, with an active episode possible.

Today's estimated international sunspot number (ISN): 016, based on 17 stations.

Solar indices for 28 Mar 2016

Wolf number Catania	///
10cm solar flux	088
AK Chambon La Forêt	017
AK Wingst	009
Estimated Ap	009
Estimated international sunspot number	022 - Based on 26 stations

Noticeable events summary

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

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