Prohlížíte si archiv úterý 29. listopadu 2016

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2016 Nov 29 1230 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm flux	Ap
29 Nov 2016	088	004
30 Nov 2016	088	003
01 Dec 2016	087	003

Bulletin

The strongest event of the period was a C7.5 flare peaking at 07:10UT. It was produced by new sunspot region NOAA 2615 (S08E60), which is slowly developing. This region is still small but shows some magnetic mixing. NOAA 2612 and developing region NOAA 2614 were quiet. NOAA 2611 was very dynamic and managed to produce a B9 flare at 01:55UT from behind the west limb. No earth-directed coronal mass ejections (CMEs) were observed. The greater than 10MeV proton flux was at nominal levels.

C-class flares are possible, with a slight chance on an isolated M-class flare pending further evolution of NOAA 2615.

Solar wind speed leveled at values near 450 km/s. Bz fluctuated between -5 nT and +4 nT. The interplanetary magnetic field was mostly directed away from the Sun. Solar wind parameters are expected to evolve further to nominal values.

The geomagnetic field was at quiet to unsettled levels, and is expected to remain so.

Today's estimated international sunspot number (ISN): 049, based on 18 stations.

Solar indices for 28 Nov 2016

Wolf number Catania	084
10cm solar flux	085
AK Chambon La Forêt	017
AK Wingst	012
Estimated Ap	012
Estimated international sunspot number	046 - Based on 29 stations

Noticeable events summary

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

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