Het archief bekijken van zondag 1 december 2019

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2019 Dec 01 1231 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
01 Dec 2019	070	003
02 Dec 2019	070	003
03 Dec 2019	070	005

Bulletin

Solar activity was at very low levels. The visible solar disk was spotless. No earth-directed coronal mass ejections (CMEs) have been observed in available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal values. A weak extension from the southern polar coronal hole has transited the central meridian.

Solar activity is expected to remain at very low levels.

Solar wind speed was on a generally declining trend, from about 400 km/s at the beginning to near 360 km/s by the end of the period (ACE). The interplanetary magnetic field (phi angle) was directed towards the Sun (negative sector). Bz varied between -5 and +3 nT, most of the time being close to 0 nT. Geomagnetic activity was at quiet levels.

Geomagnetic activity is expected to remain at mostly quiet levels, an unsettled interval not excluded on 3 or 4 December if the weak CH wind stream affects the earth environment.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 000, gebaseerd op 08 stations.

Zon indexen voor 30 Nov 2019

Wolfgetal Catania	///
10cm zonneflux	070
AK Chambon La Forêt	006
AK Wingst	004
Geschatte Ap	003
Geschat internationaal zonnevlekkengetal	/// - Gebaseerd op /// stations

Overzicht opvallende gebeurtenissen

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

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