Het archief bekijken van maandag 24 oktober 2016

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2016 Oct 24 1231 UTC

SIDC Prognose

Zonnevlammen

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

Geomagnetisme

Major magstorm expected (A>=50 or K>=6)

Proton Flux monitor

Quiet

	10cm flux	Ap
24 Oct 2016	076	011
25 Oct 2016	076	045
26 Oct 2016	076	050

Bulletin

Solar activity was very low, with no x-ray flaring observed. The sole sunspot region that is currently visible, NOAA 2603, is small and decaying. No earth-directed coronal mass ejections (CMEs) were observed.

Solar flare activity is expected to remain below the C-class level.

Solar wind speed decreased from about 440 km/s to its current values near 380 km/s. Bz fluctuated between -8 nT and +6 nT, and was mostly negative. Quiet to unsettled geomagnetic conditions were observed, with an isolated active episode near midnight. The interplanetary magnetic field was mostly directed away from the Sun (positive). A huge, positive, recurrent coronal home (CH) is transiting the central meridian.

Mostly quiet to unsettled geomagnetic conditions are expected until the arrival of the co-rotating interaction region (CIR) preceding the high speed stream (HSS) from the aforementioned CH. This arrival is currently foreseen for 25 October, with minor geomagnetic storming possible from then onwards. There's a good chance on an isolated moderate storm interval (K-index = 6).

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 015, gebaseerd op 04 stations.

Zon indexen voor 23 Oct 2016

Wolfgetal Catania	///
10cm zonneflux	077
AK Chambon La Forêt	///
AK Wingst	011
Geschatte Ap	010
Geschat internationaal zonnevlekkengetal	016 - Gebaseerd op 17 stations

Overzicht opvallende gebeurtenissen

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

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