Prohlížíte si archiv pátek 7. března 2014

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2014 Mar 07 1242 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm flux	Ap
07 Mar 2014	145	003
08 Mar 2014	143	009
09 Mar 2014	141	021

Bulletin

Over the last 24 hours, no C-class flares were observed, with x-ray background around B6-level. There are currently 9 sunspot regions on the visible solar disk. Most sunspot groups are stable or decaying. Eruptive flaring conditions are expected, with most chance on a C-flare from sunspot group NOAA 1996. A CME was observed by LASCO/C2 on 6 March at 13:36UT, and was associated to a filament eruption in the southeast solar quadrant. Current imagery indicates it did not have an Earth directed component. Over the last 24 hours, solar wind speed has gradually decreased to values near 410 km/s, with Bz varying between -4nT and +4nT. Geomagnetic conditions have been quiet and are expected to remain so until the arrival of a high speed wind stream from the coronal hole that passed the central meridian early on 5 March. This may result in episodes of active geomagnetic conditions starting 8-9 March.

Today's estimated international sunspot number (ISN): 093, based on 17 stations.

Solar indices for 06 Mar 2014

Wolf number Catania	///
10cm solar flux	149
AK Chambon La Forêt	///
AK Wingst	008
Estimated Ap	006
Estimated international sunspot number	090 - Based on 23 stations

Noticeable events summary

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

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