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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2015 Jul 15 1230 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

Active conditions expected (A>=20 or K=4)

Protoni solari

Quiet

	10cm flux	Ap
15 Jul 2015	102	011
16 Jul 2015	101	007
17 Jul 2015	102	007

Bulletin

A new region near the East limb produced a C1.2 flare peaking at 12:10 UT on July 14. B flaring is expected, with a chance for a C flare. During the past 24 hours, solar wind speed gradually increased from about 450 to 520 km/s, while the magnitude of the Interplanetary Magnetic Field varied between about 7 and 10 nT. Bz was mostly positive throughout the period. Over the past 24 hours, geomagnetic conditions have been quiet to unsettled (K Dourbes between 1 and 3; NOAA Kp between 1 and 2). Quiet to active geomagnetic conditions (K Dourbes < 5) with possible minor storm excursions (K Dourbes = 5) are expected on July 15. Quiet to unsettled conditions (K Dourbes < 4) are likely on July 16 and 17.

Today's estimated international sunspot number (ISN): 047, based on 12 stations.

Solar indices for 14 Jul 2015

Wolf number Catania	///
10cm solar flux	105
AK Chambon La Forêt	013
AK Wingst	008
Estimated Ap	007
Estimated international sunspot number	045 - Based on 19 stations

Noticeable events summary

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

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