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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2013 Dec 02 1312 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm flux	Ap
02 Dec 2013	131	008
03 Dec 2013	131	010
04 Dec 2013	131	007

Bulletin

Flaring activity was yesterday, December 1 and up to this moment today, December 2 limited to the C-level. The probability for C-flares is around 60%, for M-flares around 10% and almost no chance for X-flares. The candidates to populate the flare-club are NOAA AR 1907, 1908 and 1909. Geomagnetic conditions were quiet: K<3. This was due to a positive z-component of the interplanetary magnetic field (IMF). The IMF has although a relatively high value around 10nT. If the z-component turns negative, unsettled conditions are possible. The solar wind speed is decreasing. A coronal hole will approach the central meridian tomorrow.

Today's estimated international sunspot number (ISN): 094, based on 16 stations.

Solar indices for 01 Dec 2013

Wolf number Catania	///
10cm solar flux	131
AK Chambon La Forêt	008
AK Wingst	009
Estimated Ap	010
Estimated international sunspot number	085 - Based on 22 stations

Noticeable events summary

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

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