Het archief bekijken van maandag 28 november 2016

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2016 Nov 28 1230 UTC

SIDC Prognose

Zonnevlammen

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

Geomagnetisme

Quiet (A<20 and K<4)

Proton Flux monitor

Quiet

	10cm flux	Ap
28 Nov 2016	085	007
29 Nov 2016	084	006
30 Nov 2016	083	003

Bulletin

NOAA 2613, NOAA 2612 and Catania 65 (N05E40) are currently the most prominent sunspot regions on the solar disk. The northern portion of NOAA 2611 was the source of the strongest event of the period, a C1.4 flare at 08:01UT. The region produced also most of the low-level B-class flares, but has now rounded the northwest limb. No earth-directed coronal mass ejections (CMEs) were observed. The greater than 10MeV proton flux was at nominal levels.

Solar flare activity is expected to be at B-class level, with a slight chance on an isolated C-class flare.

Solar wind speed decreased from about 620 km/s to its current values near 450 km/s. Bz fluctuated between -3 nT and +3 nT. The interplanetary magnetic field was mostly directed away from the Sun. Solar wind parameters are expected to further evolve to nominal values as Earth is gradually exiting the high speed stream from the positive coronal hole.

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

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 045, gebaseerd op 17 stations.

Zon indexen voor 27 Nov 2016

Wolfgetal Catania	///
10cm zonneflux	083
AK Chambon La Forêt	015
AK Wingst	010
Geschatte Ap	010
Geschat internationaal zonnevlekkengetal	031 - Gebaseerd op 17 stations

Overzicht opvallende gebeurtenissen

Aangeboden door het Solar Influences Data Analysis Center© - SIDC - Verwerkt door SpaceWeatherLive

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