Het archief bekijken van maandag 31 december 2018

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2018 Dec 31 1249 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
31 Dec 2018	069	008
01 Jan 2019	069	008
02 Jan 2019	069	007

Bulletin

Solar activity remained at very low levels. The Sun was spotless. No earth-directed coronal mass ejections (CMEs) were observed over the last 24 hours. The greater than 10 MeV proton flux was at nominal values. A negative polarity equatorial coronal hole (CH) started its transit of the central meridian yesterday. Solar activity is expected to remain at very low levels. Solar wind speed gradually decreased from about 560 till 460 km/s (DSCOVR). Bz varied between -5.8 and +5 nT. The interplanetary magnetic field was directed away from the Sun (positive sector). Geomagnetic activity ranged from quiet to unsettled conditions. Quiet to unsettled geomagnetic conditions are expected.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 000, gebaseerd op 10 stations.

Zon indexen voor 30 Dec 2018

Wolfgetal Catania	///
10cm zonneflux	069
AK Chambon La Forêt	018
AK Wingst	///
Geschatte Ap	012
Geschat internationaal zonnevlekkengetal	000 - Gebaseerd op 18 stations

Overzicht opvallende gebeurtenissen

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

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