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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2013 Aug 17 1203 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
17 Aug 2013	120	007
18 Aug 2013	120	007
19 Aug 2013	115	007

Bulletin

We expect solar activity to stay at eruptive levels with chances for C class flares from NOAA ARs 1817 and 1818 and a slight risk for an isolated M class flare. Geomagnetic conditions should be essentially quiet for the next 48 hours.

Today's estimated international sunspot number (ISN): 069, based on 12 stations.

Solar indices for 16 Aug 2013

Wolf number Catania	///
10cm solar flux	120
AK Chambon La Forêt	026
AK Wingst	028
Estimated Ap	029
Estimated international sunspot number	066 - Based on 24 stations

Noticeable events summary

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

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