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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2014 Aug 14 1230 UTC

SIDC Forecast

Brillamenti solari

Quiet conditions (<50% probability of C-class flares)

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

	10cm flux	Ap
14 Aug 2014	101	006
15 Aug 2014	099	007
16 Aug 2014	099	007

Bulletin

There were no C flares during the past 24 hours. In the next 48 hours, quiet conditions (B flaring) are expected, with a slight chance for a C flare from NOAA AR 2139 and 2135. Over the past 24 hours, solar wind speed as observed by ACE decreased from about 430 to 360 km/s, while the magnitude of the Interplanetary Magnetic Field (IMF) varied between 2 and 4 nT. Near 1h UT on August 14, the IMF phi angle changed from negative (towards) to positive (away). Over the past 24 hours, geomagnetic conditions were quiet (K Dourbes between 0 and 3; NOAA Kp between 1 and 2). Quiet geomagnetic levels (K Dourbes < 4) are expected on August 14, 15 and 16.

Today's estimated international sunspot number (ISN): 058, based on 14 stations.

Solar indices for 13 Aug 2014

Wolf number Catania	///
10cm solar flux	103
AK Chambon La Forêt	008
AK Wingst	006
Estimated Ap	006
Estimated international sunspot number	056 - Based on 23 stations

Noticeable events summary

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

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