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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2015 Nov 29 1230 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

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

Protoni solari

Quiet

	10cm flux	Ap
29 Nov 2015	094	006
30 Nov 2015	091	007
01 Dec 2015	089	026

Bulletin

The Sun did not produce any C flares in the past 24 hours. There is a 50% chance of C flares within the next 24 hours. In the past 24 hours, the solar wind speed detected by ACE increased from 320 to 470 km/s and is currently around 420 km/s, while the magnitude of the Interplanetary Magnetic Field varied between 4 and 15 nT and is currently around 6 nT. Over the past 24 hours, geomagnetic conditions have been quiet to active (K Dourbes between 1 and 4; NOAA Kp between 1 and 3). Quiet to unsettled (K Dourbes < 4) conditions are expected on November 29 and 30. Active (K Dourbes = 4) to minor storm conditions (K Dourbes = 5) are possible on December 1, due to the expected arrival of a coronal hole high speed stream.

Today's estimated international sunspot number (ISN): 050, based on 06 stations.

Solar indices for 28 Nov 2015

Wolf number Catania	///
10cm solar flux	097
AK Chambon La Forêt	014
AK Wingst	011
Estimated Ap	009
Estimated international sunspot number	050 - Based on 20 stations

Noticeable events summary

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

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