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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2018 Mar 06 1239 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm flux	Ap
06 Mar 2018	068	007
07 Mar 2018	068	011
08 Mar 2018	068	017

Bulletin

Solar X ray flux remained below B level and with no spotted regions on the visible disk chances for any flare occurrences remain very low. SoHO/LASCO C2 images show a very faint and slow CME first visible around 1:25 UT. It is primarily directed towards the south west and given its faint character its angular extent can not clearly be determined. Stereo A COR2 images however suggest that it can not be excluded that Earth is on its propagation path. Further analysis is ongoing but given its faint nature and slow speed any possible impacts should be fairly insignificant. Proton flux levels were at background values and are expected to remain so.

Solar wind was near nominal with speed between 360 and 400 km/s, total magnetic field below 7nT and Bz variable. The magnetic field phi angle was indicative of a positive sector connection. Solar wind may become slightly enhanced from March 8 onwards due to the extension of the northern polar coronal hole.

Geomagnetic conditions were quiet (local K Dourbes and NOAA Kp 1-2) and are expected to remain quiet, and later enhancing to unsettled by March 8.

Today's estimated international sunspot number (ISN): 000, based on 14 stations.

Solar indices for 05 Mar 2018

Wolf number Catania	///
10cm solar flux	068
AK Chambon La Forêt	009
AK Wingst	005
Estimated Ap	004
Estimated international sunspot number	000 - Based on 24 stations

Noticeable events summary

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

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