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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2016 Aug 01 1230 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

Minor storm expected (A>=30 or K=5)

Protoni solari

Quiet

	10cm flux	Ap
01 Aug 2016	072	007
02 Aug 2016	072	031
03 Aug 2016	072	024

Bulletin

Solar activity was very low. No C flares or CMEs were observed. Solar activity is expected to remain very low (no C flaring) for the next 24 hours. Over the past 24 hours, solar wind speed measured by ACE decreased from about 400 to 320 km/s, while the magnitude of the Interplanetary Magnetic Field varied between 1 and 4 nT. Over the past 24 hours, geomagnetic conditions have been quiet to unsettled (K Dourbes between 1 and 3; NOAA Kp between 0 and 1). Quiet to unsettled geomagnetic levels are expected on August 1. Active to minor geomagnetic storm conditions (K Dourbes = 4-5) are possible on August 2 and 3 due to the expected arrival of a high speed stream associated with a positive coronal hole.

Today's estimated international sunspot number (ISN): 000, based on 19 stations.

Solar indices for 31 Jul 2016

Wolf number Catania	///
10cm solar flux	072
AK Chambon La Forêt	006
AK Wingst	004
Estimated Ap	003
Estimated international sunspot number	/// - Based on /// stations

Noticeable events summary

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

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