Prohlížíte si archiv pátek 7. listopadu 2014

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2014 Nov 07 1230 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm flux	Ap
07 Nov 2014	137	006
08 Nov 2014	138	007
09 Nov 2014	139	007

Bulletin

NOAA AR 2205 continued to produce M level flares, although all four were below M3 level. The strongest was an M2.7 flare peaking at 2:49 UT followed by an M2 flare at 4:25 UT. The corresponding CME was weak and not Earth directed. Flaring at M level is expected to continue with a slight chance for an X flare. Solar wind speed was nominal and slightly decreasing from values around 470 km/s level to values around 450 km/s. Total magnetic field initially decreased below the 6nT level, but following a sector boundary crossing from a negative into a positive sector around 00:30 UT, it became more variable and increased again reaching levels close to 9nT currently, while returning to a negative sector. Bz was mostly positive or neutral but had some excursions down to -6nT before and after the sector boundary crossing. Geomagnetic conditions were quiet to unsettled (both NOAA Kp and local K Dourbes 1-3). Nominal solar wind conditions are expected to continue with associated quiet to unsettled geomagnetic conditions.

Today's estimated international sunspot number (ISN): 075, based on 05 stations.

Solar indices for 06 Nov 2014

Wolf number Catania	///
10cm solar flux	136
AK Chambon La Forêt	021
AK Wingst	008
Estimated Ap	009
Estimated international sunspot number	077 - Based on 17 stations

Noticeable events summary

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

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