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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2013 Mar 17 1136 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

Minor geomagnetic storm expected (A>=30 or K=5)

Sluneční protony

Quiet

	10cm flux	Ap
17 Mar 2013	126	026
18 Mar 2013	124	004
19 Mar 2013	123	004

Bulletin

Solar activity has been quiet, but is expected to be eruptive for the next 24 hours. The full halo CME of Friday March 15th has arrived since Sunday March 17th around 6 o'clock and geomagnetic activity has reached storm levels since 9:00 UT. The Solar wind speed jumped to around 700 km/s. The interplanetary magnetic field Bz component is turbulent around -15 nT. Active to Storm geomagnetic conditions are expected for the next few hours, but will return to quiet levels after that. Proton levels of 10 MeV are dropping below the 10 pfu treshold again.

Today's estimated international sunspot number (ISN): 073, based on 06 stations.

Solar indices for 16 Mar 2013

Wolf number Catania	///
10cm solar flux	126
AK Chambon La Forêt	013
AK Wingst	012
Estimated Ap	012
Estimated international sunspot number	077 - Based on 11 stations

Noticeable events summary

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

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