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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2013 Apr 24 1147 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
24 Apr 2013	121	022
25 Apr 2013	124	017
26 Apr 2013	126	007

Bulletin

Enhanced geomagnetic conditions are imminent as a result from a high speed solar wind outflow from a recurrent coronal hole in the Southern solar hemisphere. Meanwhile, the flaring potential of NOAA active region 1726 is decreasing, yet major C-flares are still possible.

Today's estimated international sunspot number (ISN): 062, based on 20 stations.

Solar indices for 23 Apr 2013

Wolf number Catania	///
10cm solar flux	118
AK Chambon La Forêt	016
AK Wingst	008
Estimated Ap	007
Estimated international sunspot number	054 - Based on 20 stations

Noticeable events summary

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

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