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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2013 Dec 15 1303 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

	10cm flux	Ap
15 Dec 2013	162	005
16 Dec 2013	160	006
17 Dec 2013	160	005

Bulletin

The background X-ray radiation is situated in the top B-level (B7). The probability for C-flares is around 60%, M-flares around 20%, the chances for an X-flare are low. There were several CMEs on December 14. All of them were limb events. No impact on Earth is expected. The geomagnetic conditions were active (Kp=4) yesterday, December 14 due to the interaction of a slow and fast solar wind linked with a coronal hole. We are again heading to a slow wind. We expect the geomagnetic conditions to cool down and return to quiet.

Today's estimated international sunspot number (ISN): 093, based on 07 stations.

Solar indices for 14 Dec 2013

Wolf number Catania	///
10cm solar flux	164
AK Chambon La Forêt	026
AK Wingst	020
Estimated Ap	021
Estimated international sunspot number	096 - Based on 17 stations

Noticeable events summary

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

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