Het archief bekijken van dinsdag 20 november 2018

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2018 Nov 20 1234 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
20 Nov 2018	072	016
21 Nov 2018	072	017
22 Nov 2018	072	017

Bulletin

Solar X-ray flux remained below B level. As NOAA region 2727 is in decay, chances for C-flares are further reduced and very low.

No Earth directed CMEs have been observed in coronagraph images.

Proton flux levels were at background values and are expected to remain so.

Solar wind went through a period of increased interplanetary magnetic field to just over 10nT which announced a period of rise in Solar wind velocity to currently close to 440 km/s. This is indicative of a mild influence from a high speed stream from the Southern negative polarity coronal holes. It remains to be seen if it's influence will set true more clearly. Slightly enhanced solar wind conditions are hence expected to continue.

Geomagnetic conditions were quiet to unsettled (NOAA Kp 0-3, and local K Dourbes 1-3) and are expected to continue under the slightly enhanced Solar wind conditions.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 000, gebaseerd op 04 stations.

Zon indexen voor 19 Nov 2018

Wolfgetal Catania	///
10cm zonneflux	071
AK Chambon La Forêt	010
AK Wingst	006
Geschatte Ap	004
Geschat internationaal zonnevlekkengetal	013 - Gebaseerd op 09 stations

Overzicht opvallende gebeurtenissen

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

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